def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
dfd = interface.IERC20Ex('0x20c36f062a31865bED8a5B1e512D9a1A20AA333A')
dusd = interface.IERC20Ex('0x5BC25f649fc4e26069dDF4cF4010F9f706c23831')
lp = interface.IERC20Ex('0xd8e9690eff99e21a2de25e0b148ffaf47f47c972')
# pool is lp for balancer
pool = interface.IBalancerPool(
'0xd8e9690eff99e21a2de25e0b148ffaf47f47c972')
crdfd = MockCErc20.deploy(dfd, {'from': admin})
crdusd = MockCErc20.deploy(dusd, {'from': admin})
werc20 = WERC20.deploy({'from': admin})
staking = accounts.at('0xf068236ecad5fabb9883bbb26a6445d6c7c9a924',
force=True)
wstaking = WStakingRewards.deploy(staking, lp, dfd, {'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([dfd, dusd],
[2**112 // 2 // 700, 2**112 * 2 // 700])
balancer_oracle = BalancerPairOracle.deploy(simple_oracle, {'from': alice})
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wstaking], True, {'from': admin})
core_oracle.setRoute(
[dfd, dusd, lp],
[simple_oracle, simple_oracle, balancer_oracle],
{'from': admin},
)
oracle.setOracles(
[dfd, dusd, lp],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
homora.addBank(dfd, crdfd, {'from': admin})
homora.addBank(dusd, crdusd, {'from': admin})
# setup initial funds to alice
mint_tokens(dfd, alice)
mint_tokens(dusd, alice)
# check alice's funds
print(f'Alice dusd balance {dusd.balanceOf(alice)}')
print(f'Alice dfd balance {dfd.balanceOf(alice)}')
# Steal some LP from the staking pool
mint_tokens(lp, alice)
mint_tokens(lp, bob)
# set approval
dfd.approve(homora, 2**256 - 1, {'from': alice})
dfd.approve(crdfd, 2**256 - 1, {'from': alice})
dusd.approve(homora, 2**256 - 1, {'from': alice})
dusd.approve(crdusd, 2**256 - 1, {'from': alice})
lp.approve(homora, 2**256 - 1, {'from': alice})
lp.approve(staking, 2**256 - 1, {'from': bob})
balancer_spell = BalancerSpellV1.deploy(
homora, werc20, '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2',
{'from': admin})
# first time call to reduce gas
balancer_spell.getPair(lp, {'from': admin})
#####################################################################################
print(
'========================================================================='
)
print('Case 1.')
prevABal = dfd.balanceOf(alice)
prevBBal = dusd.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_staking = lp.balanceOf(staking)
prevARes = interface.IBalancerPool(lp).getBalance(dfd)
prevBRes = interface.IBalancerPool(lp).getBalance(dusd)
dfd_amt = 100 * 10**18
dusd_amt = 10**18
lp_amt = 0
borrow_dfd_amt = 0
borrow_dusd_amt = 0
# calculate slippage control
total_dfd_amt = dfd_amt + borrow_dfd_amt
total_dusd_amt = dusd_amt + borrow_dusd_amt
dfd_weight = 0.58
dusd_weight = 0.42
ratio = (((prevARes + total_dfd_amt) / prevARes) ** dfd_weight) * \
(((prevBRes + total_dusd_amt) / prevBRes) ** dusd_weight) - 1
lp_desired = lp_amt + int(
interface.IERC20(lp).totalSupply() * ratio * 0.995)
print('lp desired', lp_desired)
tx = homora.execute(
0,
balancer_spell,
balancer_spell.addLiquidityWStakingRewards.encode_input(
lp, # lp token
[
dfd_amt, # supply DFD
dusd_amt, # supply DUSD
lp_amt, # supply LP
borrow_dfd_amt, # borrow DFD
borrow_dusd_amt, # borrow DUSD
0, # borrow LP tokens
lp_desired
], # LP desired
wstaking),
{'from': alice})
curABal = dfd.balanceOf(alice)
curBBal = dusd.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_staking = lp.balanceOf(staking)
curARes = interface.IBalancerPool(lp).getBalance(dfd)
curBRes = interface.IBalancerPool(lp).getBalance(dusd)
print('spell lp balance', lp.balanceOf(balancer_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, dfdDebt, dfdShare = homora.getBankInfo(dfd)
print('bank dfd dfdDebt', dfdDebt)
print('bank dfd dfdShare', dfdShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('staking prev LP balance', prevLPBal_staking)
print('staking cur LP balance', curLPBal_staking)
print('prev dfd res', prevARes)
print('cur dfd res', curARes)
print('prev dusd res', prevBRes)
print('cur dusd res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -dfd_amt), 'incorrect DFD amt'
assert almostEqual(curBBal - prevBBal, -dusd_amt), 'incorrect DUSD amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert dfd.balanceOf(balancer_spell) == 0, 'non-zero spell DFD balance'
assert dusd.balanceOf(balancer_spell) == 0, 'non-zero spell DUSD balance'
assert lp.balanceOf(balancer_spell) == 0, 'non-zero spell LP balance'
assert dfdDebt == borrow_dfd_amt
# check balance and pool reserves
assert almostEqual(
curABal - prevABal - borrow_dfd_amt,
-(curARes - prevARes)), 'not all DFD tokens go to LP pool'
assert almostEqual(
curBBal - prevBBal - borrow_dusd_amt,
-(curBRes - prevBRes)), 'not all DUSD tokens go to LP pool'
# #####################################################################################
print(
'========================================================================='
)
print('Case 2. harvest first time')
prevDfdBalance = dfd.balanceOf(alice)
print('Alice DFD balance before harvest', prevDfdBalance)
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevDfd = dfd.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
tx = interface.IStakingRewards(staking).stake(collSize, {'from': bob})
chain.sleep(20000)
tx = homora.execute(
1, balancer_spell,
balancer_spell.harvestWStakingRewards.encode_input(wstaking),
{'from': alice})
print('tx gas used', tx.gas_used)
curDfdBalance = dfd.balanceOf(alice)
print('Alice DFD balance after harvest', curDfdBalance)
receivedDfd = curDfdBalance - prevDfdBalance
# check with staking directly
tx = interface.IStakingRewards(staking).getReward({'from': bob})
receivedDfdFromStaking = dfd.balanceOf(bob) - prevDfd
print('receivedDfdFromStaking', receivedDfdFromStaking)
assert almostEqual(receivedDfd, receivedDfdFromStaking)
# #####################################################################################
print(
'========================================================================='
)
print('Case 3. harvest second time')
prevDfdBalance = dfd.balanceOf(alice)
print('Alice DFD balance before harvest', prevDfdBalance)
# staking directly
prevDfd = dfd.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
chain.sleep(20000)
tx = homora.execute(
1, balancer_spell,
balancer_spell.harvestWStakingRewards.encode_input(wstaking),
{'from': alice})
print('tx gas used', tx.gas_used)
curDfdBalance = dfd.balanceOf(alice)
print('Alice DFD balance after harvest', curDfdBalance)
receivedDfd = curDfdBalance - prevDfdBalance
# check with staking directly
tx = interface.IStakingRewards(staking).getReward({'from': bob})
receivedDfdFromStaking = dfd.balanceOf(bob) - prevDfd
print('receivedDfdFromStaking', receivedDfdFromStaking)
assert almostEqual(receivedDfd, receivedDfdFromStaking)
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
renbtc = interface.IERC20Ex('0xeb4c2781e4eba804ce9a9803c67d0893436bb27d')
wbtc = interface.IERC20Ex('0x2260fac5e5542a773aa44fbcfedf7c193bc2c599')
eurs = interface.IERC20Ex('0xdB25f211AB05b1c97D595516F45794528a807ad8')
seur = interface.IERC20Ex('0xD71eCFF9342A5Ced620049e616c5035F1dB98620')
lp = interface.IERC20Ex('0x49849C98ae39Fff122806C06791Fa73784FB3675')
pool = interface.ICurvePool('0x93054188d876f558f4a66B2EF1d97d16eDf0895B')
lp_eurs = interface.IERC20Ex('0x194eBd173F6cDacE046C53eACcE9B953F28411d1')
pool_eurs = interface.ICurvePool(
'0x0Ce6a5fF5217e38315f87032CF90686C96627CAA')
registry = interface.ICurveRegistry(
'0x7d86446ddb609ed0f5f8684acf30380a356b2b4c')
crrenbtc = MockCErc20.deploy(renbtc, {'from': admin})
crwbtc = MockCErc20.deploy(wbtc, {'from': admin})
creurs = MockCErc20.deploy(eurs, {'from': admin})
crseur = MockCErc20.deploy(seur, {'from': admin})
gauge = accounts.at('0xB1F2cdeC61db658F091671F5f199635aEF202CAC',
force=True)
wgauge = WLiquidityGauge.deploy(
registry, '0xD533a949740bb3306d119CC777fa900bA034cd52',
{'from': admin})
crv = interface.IERC20Ex(wgauge.crv())
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx(
[renbtc, wbtc, eurs, seur],
[2**112 * 30, 2**112 * 30, 2**112 // 700, 2**112 // 700])
curve_oracle = CurveOracle.deploy(simple_oracle, registry, {'from': admin})
curve_oracle.registerPool(lp) # update pool info
curve_oracle.registerPool(lp_eurs) # update pool info
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wgauge], True, {'from': admin})
core_oracle.setRoute(
[renbtc, wbtc, lp, eurs, seur, lp_eurs],
[
simple_oracle, simple_oracle, curve_oracle, simple_oracle,
simple_oracle, curve_oracle
],
{'from': admin},
)
oracle.setOracles(
[renbtc, wbtc, lp, eurs, seur, lp_eurs],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
# initialize
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
# add bank
homora.addBank(renbtc, crrenbtc, {'from': admin})
homora.addBank(wbtc, crwbtc, {'from': admin})
homora.addBank(eurs, creurs, {'from': admin})
homora.addBank(seur, crseur, {'from': admin})
# setup initial funds to alice
mint_tokens(renbtc, alice)
mint_tokens(wbtc, alice)
mint_tokens(eurs, alice)
mint_tokens(seur, alice)
mint_tokens(wbtc, crwbtc)
# check alice's funds
print(f'Alice renbtc balance {renbtc.balanceOf(alice)}')
print(f'Alice wbtc balance {wbtc.balanceOf(alice)}')
print(f'Alice eurs balance {eurs.balanceOf(alice)}')
print(f'Alice seur balance {seur.balanceOf(alice)}')
# steal some LP from the staking pool
mint_tokens(lp, alice)
mint_tokens(lp, bob)
mint_tokens(lp_eurs, alice)
# set approval
renbtc.approve(homora, 2**256 - 1, {'from': alice})
renbtc.approve(crrenbtc, 2**256 - 1, {'from': alice})
wbtc.approve(homora, 2**256 - 1, {'from': alice})
wbtc.approve(crwbtc, 2**256 - 1, {'from': alice})
eurs.approve(homora, 2**256 - 1, {'from': alice})
eurs.approve(creurs, 2**256 - 1, {'from': alice})
seur.approve(homora, 2**256 - 1, {'from': alice})
seur.approve(crseur, 2**256 - 1, {'from': alice})
lp.approve(homora, 2**256 - 1, {'from': alice})
lp.approve(gauge, 2**256 - 1, {'from': bob})
lp_eurs.approve(homora, 2**256 - 1, {'from': alice})
curve_spell = CurveSpellV1.deploy(
homora, werc20, '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', wgauge,
{'from': admin})
# register gauge
wgauge.registerGauge(9, 0)
wgauge.registerGauge(23, 0)
# set up pools
curve_spell.getPool(lp)
curve_spell.getPool(lp_eurs)
# first time call to reduce gas
curve_spell.ensureApproveN(lp, 2, {'from': admin})
curve_spell.ensureApproveN(lp_eurs, 2, {'from': admin})
# whitelist spell in bank
homora.setWhitelistSpells([curve_spell], [True], {'from': admin})
# whitelist token in bank
homora.setWhitelistTokens([wbtc], [True], {'from': admin})
# whitelist lp in spell
curve_spell.setWhitelistLPTokens([lp, lp_eurs], [True, True],
{'from': admin})
#####################################################################################
print(
'========================================================================='
)
print('Case 1.')
prevABal = renbtc.balanceOf(alice)
prevBBal = wbtc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_gauge = lp.balanceOf(gauge)
renbtc_amt = 1 * 10**7
wbtc_amt = 1 * 10**7
lp_amt = 10**13
borrow_renbtc_amt = 0
borrow_wbtc_amt = 20 * 10**6
borrow_lp_amt = 0
minLPMint = 0
pid = 9
gid = 0
tx = homora.execute(
0,
curve_spell,
curve_spell.addLiquidity2.encode_input(
lp, # LP
[renbtc_amt, wbtc_amt], # supply tokens
lp_amt, # supply LP
[borrow_renbtc_amt, borrow_wbtc_amt], # borrow tokens
borrow_lp_amt, # borrow LP
minLPMint, # min LP mint
pid,
gid),
{'from': alice})
curABal = renbtc.balanceOf(alice)
curBBal = wbtc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_gauge = lp.balanceOf(gauge)
print('spell lp balance', lp.balanceOf(curve_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, renbtcDebt, renbtcDebtShare = homora.getBankInfo(renbtc)
_, _, _, wbtcDebt, wbtcDebtShare = homora.getBankInfo(wbtc)
print('bank renbtc totalDebt', renbtcDebt)
print('bank renbtc totalShare', renbtcDebtShare)
print('bank wbtc totalDebt', wbtcDebt)
print('bank wbtc totalShare', wbtcDebtShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('gauge prev LP balance', prevLPBal_gauge)
print('gauge cur LP balance', curLPBal_gauge)
# alice
assert almostEqual(curABal - prevABal, -renbtc_amt), 'incorrect renbtc amt'
assert almostEqual(curBBal - prevBBal, -wbtc_amt), 'incorrect wbtc amt'
assert almostEqual(curLPBal - prevLPBal, -lp_amt), 'incorrect LP amt'
# spell
assert renbtc.balanceOf(curve_spell) == 0, 'non-zero spell renbtc balance'
assert wbtc.balanceOf(curve_spell) == 0, 'non-zero spell wbtc balance'
assert lp.balanceOf(curve_spell) == 0, 'non-zero spell LP balance'
# debt
assert renbtcDebt == borrow_renbtc_amt
assert wbtcDebt == borrow_wbtc_amt
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevCrv = crv.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
pid, gid = 9, 0
gauge, _ = wgauge.gauges(pid, gid)
print('gauge address', gauge)
tx = interface.ILiquidityGauge(gauge).deposit(collSize, {'from': bob})
chain.sleep(20000)
prevAliceCrvBalance = crv.balanceOf(alice)
print('Alice crv balance', prevAliceCrvBalance)
# #####################################################################################
print(
'========================================================================='
)
print('Case 2. add liquidity (failed tx desired)')
eurs_amt = 1 * 10**3
seur_amt = 1 * 10**3
lp_amt = 0
borrow_eurs_amt = 0
borrow_seur_amt = 0
borrow_lp_amt = 0
minLPMint = 0
pid = 9
gid = 0
try:
tx = homora.execute(
1,
curve_spell,
curve_spell.addLiquidity2.encode_input(
lp_eurs, # lp_eurs
[eurs_amt, seur_amt], # supply tokens
lp_amt, # supply LP
[borrow_eurs_amt, borrow_seur_amt], # borrow tokens
borrow_lp_amt, # borrow LP
minLPMint, # min LP mint
pid,
gid),
{'from': alice})
assert False, 'tx should fail'
except VirtualMachineError:
pass
# #####################################################################################
print(
'========================================================================='
)
print('Case 3. add liquidity (failed tx desired)')
eurs_amt = 1 * 10**3
seur_amt = 1 * 10**3
lp_amt = 0
borrow_eurs_amt = 0
borrow_seur_amt = 0
borrow_lp_amt = 0
minLPMint = 0
pid = 23
gid = 0
try:
tx = homora.execute(
1,
curve_spell,
curve_spell.addLiquidity2.encode_input(
lp_eurs, # lp_eurs
[eurs_amt, seur_amt], # supply tokens
lp_amt, # supply LP
[borrow_eurs_amt, borrow_seur_amt], # borrow tokens
borrow_lp_amt, # borrow LP
minLPMint, # min LP mint
pid,
gid),
{'from': alice})
assert False, 'tx should fail'
except VirtualMachineError:
pass
# #####################################################################################
print(
'========================================================================='
)
print('Case 4. remove liquidity (failed tx desired)')
lp_take_amt = 2**256 - 1 # max
lp_want = 1 * 10**17
eurs_repay = 2**256 - 1 # max
seur_repay = 2**256 - 1 # max
lp_repay = 0
try:
tx = homora.execute(
1,
curve_spell,
curve_spell.removeLiquidity2.encode_input(
lp_eurs, # lp_eurs token
lp_take_amt, # LP amount to take out
lp_want, # LP amount to withdraw to wallet
[eurs_repay, seur_repay], # repay amounts
lp_repay, # repay LP amount
[0, 0] # min amounts
),
{'from': alice})
assert False, 'tx should revert'
except VirtualMachineError:
pass
# #####################################################################################
print(
'========================================================================='
)
print('Case 5. remove liquidity')
# remove liquidity from the same position
prevABal = renbtc.balanceOf(alice)
prevBBal = wbtc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_gauge = lp.balanceOf(gauge)
_, _, _, collSize = homora.getPositionInfo(1)
lp_take_amt = 2**256 - 1 # max
lp_want = 1 * 10**12
renbtc_repay = 2**256 - 1 # max
wbtc_repay = 2**256 - 1 # max
lp_repay = 0
tx = homora.execute(
1,
curve_spell,
curve_spell.removeLiquidity2.encode_input(
lp, # LP token
lp_take_amt, # LP amount to take out
lp_want, # LP amount to withdraw to wallet
[renbtc_repay, wbtc_repay], # repay amounts
lp_repay, # repay LP amount
[0, 0] # min amounts
),
{'from': alice})
curABal = renbtc.balanceOf(alice)
curBBal = wbtc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_gauge = lp.balanceOf(gauge)
print('spell lp balance', lp.balanceOf(curve_spell))
print('spell renbtc balance', renbtc.balanceOf(curve_spell))
print('spell wbtc balance', wbtc.balanceOf(curve_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta LP balance', curLPBal - prevLPBal)
print('remove liquidity gas', tx.gas_used)
print('bank delta lp balance', curLPBal_bank - prevLPBal_bank)
print('bank total lp balance', curLPBal_bank)
_, _, _, renbtcDebt, renbtcDebtShare = homora.getBankInfo(renbtc)
_, _, _, wbtcDebt, wbtcDebtShare = homora.getBankInfo(wbtc)
print('bank renbtc totalDebt', renbtcDebt)
print('bank renbtc totalDebt', renbtcDebt)
print('bank wbtc totalShare', wbtcDebtShare)
print('bank wbtc totalShare', wbtcDebtShare)
print('LP want', lp_want)
print('bank delta LP amount', curLPBal_bank - prevLPBal_bank)
print('LP take amount', lp_take_amt)
print('prev gauge LP balance', prevLPBal_gauge)
print('cur gauge LP balance', curLPBal_gauge)
print('coll size', collSize)
# alice
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# gauge
assert almostEqual(curLPBal_gauge - prevLPBal_gauge,
-collSize), 'incorrect gauge LP amt'
# spell
assert renbtc.balanceOf(curve_spell) == 0, 'non-zero spell renbtc balance'
assert wbtc.balanceOf(curve_spell) == 0, 'non-zero spell wbtc balance'
assert lp.balanceOf(curve_spell) == 0, 'non-zero spell LP balance'
# debt
assert wbtcDebt == 0, 'wbtcDebt should be 0'
assert renbtcDebt == 0, 'renbtcDebt should be 0'
curAliceCrvBalance = crv.balanceOf(alice)
print('Alice crv balance', curAliceCrvBalance)
receivedCrv = curAliceCrvBalance - prevAliceCrvBalance
print('received crv', receivedCrv)
# check with staking directly
minter = interface.ILiquidityGaugeMinter(
interface.ILiquidityGauge(gauge).minter())
print('minter', minter)
tx = minter.mint(gauge, {'from': bob})
print('tx status', tx.status)
tx = interface.ILiquidityGauge(gauge).withdraw(collSize, {'from': bob})
receivedCrvFromGauge = crv.balanceOf(bob) - prevCrv
print('receivedCrvFromGauge', receivedCrvFromGauge)
assert almostEqual(receivedCrv, receivedCrvFromGauge)
# #####################################################################################
print(
'========================================================================='
)
print('Case 6. add & remove all LP')
lp_amt = 10 * 10**6
prevLPBal = lp.balanceOf(alice)
pid, gid = 9, 0
tx = homora.execute(
0,
curve_spell,
curve_spell.addLiquidity2.encode_input(
lp, # LP
[0, 0], # supply tokens
lp_amt, # supply LP
[0, 0], # borrow tokens
0, # borrow LP
0, # min LP mint
pid,
gid),
{'from': alice})
tx = homora.execute(
2,
curve_spell,
curve_spell.removeLiquidity2.encode_input(
lp, # LP token
2**256 - 1, # LP amount to take out
lp_amt, # LP amount to withdraw to wallet
[0, 0], # repay amounts
0, # repay LP amount
[0, 0] # min amounts
),
{'from': alice})
curLPBal = lp.balanceOf(alice)
assert prevLPBal == curLPBal, 'incorrect LP Balance'
return tx
def main():
admin = accounts[0]
alice = accounts[1]
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
usdc = interface.IERC20Ex('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
lp = interface.IERC20Ex('0x3041cbd36888becc7bbcbc0045e3b1f144466f5f')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
crusdc = interface.ICErc20('0x44fbebd2f576670a6c33f6fc0b00aa8c5753b322')
router = interface.IUniswapV2Router02(
'0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D')
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([usdt, usdc], [8343331721347310729683379470025550036595362,
8344470555541464992529317899641128796042472])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
oracle = ProxyOracle.deploy({'from': admin})
oracle.setWhitelistERC1155([werc20], True, {'from': admin})
oracle.setOracles(
[
'0xdAC17F958D2ee523a2206206994597C13D831ec7', # USDT
'0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48', # USDC
'0x3041cbd36888becc7bbcbc0045e3b1f144466f5f', # USDT-USDC
],
[
[simple_oracle, 10000, 10000, 10000],
[simple_oracle, 10000, 10000, 10000],
[uniswap_oracle, 10000, 10000, 10000],
],
{'from': admin},
)
# initialize
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
# add bank
homora.addBank(usdt, crusdt, {'from': admin})
homora.addBank(usdc, crusdc, {'from': admin})
# setup initial funds 10^5 USDT + 10^5 USDC to alice
setup_transfer(usdt, accounts.at('0xbe0eb53f46cd790cd13851d5eff43d12404d33e8',
force=True), alice, 10**6 * 10**6)
setup_transfer(usdc, accounts.at('0xa191e578a6736167326d05c119ce0c90849e84b7',
force=True), alice, 10**6 * 10**6)
# setup initial funds 10^6 USDT + 10^6 USDC to homora bank
setup_transfer(usdt, accounts.at('0xbe0eb53f46cd790cd13851d5eff43d12404d33e8',
force=True), homora, 10**6 * 10**6)
setup_transfer(usdc, accounts.at('0x397ff1542f962076d0bfe58ea045ffa2d347aca0',
force=True), homora, 10**6 * 10**6)
# check alice's funds
print(f'Alice usdt balance {usdt.balanceOf(alice)}')
print(f'Alice usdc balance {usdc.balanceOf(alice)}')
# steal some LP from the staking pool
lp.transfer(alice, 1*10**8,
{'from': accounts.at('0x85af1678527f63eb6492ab158ed5d2a94b8732c0', force=True)})
# set approval
usdt.approve(homora, 2**256-1, {'from': alice})
usdt.approve(crusdt, 2**256-1, {'from': alice})
usdc.approve(homora, 2**256-1, {'from': alice})
usdc.approve(crusdc, 2**256-1, {'from': alice})
lp.approve(homora, 2**256-1, {'from': alice})
uniswap_spell = UniswapV2SpellV1.deploy(
homora, werc20, router, {'from': admin})
# first time call to reduce gas
uniswap_spell.getPair(usdt, usdc, {'from': admin})
#####################################################################################
print('=========================================================================')
print('Case 1.')
prevABal = usdt.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
usdt_amt = 40000 * 10**6 # 40000 USDT
usdc_amt = 50000 * 10**6 # 50000 USDC
lp_amt = 1 * 10**7
borrow_usdt_amt = 1000 * 10**6 # 1000 USDT
borrow_usdc_amt = 200 * 10**6 # 200 USDC
tx = homora.execute(
0,
uniswap_spell,
uniswap_spell.addLiquidity.encode_input(
usdt, # token 0
usdc, # token 1
[usdt_amt, # supply USDT
usdc_amt, # supply USDC
lp_amt, # supply LP
borrow_usdt_amt, # borrow USDT
borrow_usdc_amt, # borrow USDC
0, # borrow LP tokens
0, # min USDT
0], # min USDC
),
{'from': alice}
)
position_id = tx.return_value
print('position_id', position_id)
curABal = usdt.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('bank usdc totalDebt', usdcDebt)
print('bank usdc totalShare', usdcDebtShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('werc20 prev LP balance', prevLPBal_werc20)
print('werc20 cur LP balance', curLPBal_werc20)
# alice
assert almostEqual(curABal - prevABal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curBBal - prevBBal, -usdc_amt), 'incorrect USDC amt'
assert almostEqual(curLPBal - prevLPBal, -lp_amt), 'incorrect LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert usdc.balanceOf(uniswap_spell) == 0, 'non-zero spell USDC balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
# debt
assert usdtDebt == borrow_usdt_amt
assert usdcDebt == borrow_usdc_amt
#####################################################################################
print('=========================================================================')
print('Case 2.')
# remove liquidity from the same position
prevABal = usdt.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
_, _, _, collSize = homora.getPositionInfo(position_id)
lp_take_amt = 2**256-1 # max
lp_want = 1 * 10**5
usdt_repay = 2**256-1 # max
usdc_repay = 2**256-1 # max
tx = homora.execute(
position_id,
uniswap_spell,
uniswap_spell.removeLiquidity.encode_input(
usdt, # token 0
usdc, # token 1
[lp_take_amt, # take out LP tokens
lp_want, # withdraw LP tokens to wallet
usdt_repay, # repay USDT
usdc_repay, # repay USDC
0, # repay LP
0, # min USDT
0], # min USDC
),
{'from': alice}
)
curABal = usdt.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('spell usdt balance', usdt.balanceOf(uniswap_spell))
print('spell usdc balance', usdc.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta LP balance', curLPBal - prevLPBal)
print('remove liquidity gas', tx.gas_used)
print('bank delta lp balance', curLPBal_bank - prevLPBal_bank)
print('bank total lp balance', curLPBal_bank)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('bank usdc totalDebt', usdcDebt)
print('bank usdc totalShare', usdcDebtShare)
print('LP want', lp_want)
print('bank delta LP amount', curLPBal_bank - prevLPBal_bank)
print('LP take amount', lp_take_amt)
print('prev werc20 LP balance', prevLPBal_werc20)
print('cur werc20 LP balance', curLPBal_werc20)
print('coll size', collSize)
# alice
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# werc20
assert almostEqual(curLPBal_werc20 - prevLPBal_werc20, -
collSize), 'incorrect werc20 LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert usdc.balanceOf(uniswap_spell) == 0, 'non-zero spell USDC balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
# debt
assert usdtDebt == 0, 'usdtDebt should be 0'
assert usdcDebt == 0, 'usdcDebt should be 0'
return tx
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
dpi = interface.IERC20Ex('0x1494ca1f11d487c2bbe4543e90080aeba4ba3c2b')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
usdt = interface.IERC20Ex('0xdac17f958d2ee523a2206206994597c13d831ec7')
lp = interface.IERC20Ex('0x4d5ef58aac27d99935e5b6b4a6778ff292059991')
lp_usdt = interface.IERC20Ex('0x0d4a11d5eeaac28ec3f61d100daf4d40471f1852')
crdpi = MockCErc20.deploy(dpi, {'from': admin})
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
router = interface.IUniswapV2Router02(
'0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D')
staking = accounts.at('0xB93b505Ed567982E2b6756177ddD23ab5745f309',
force=True)
index = interface.IERC20Ex(
interface.IStakingRewardsEx(staking).rewardsToken())
wstaking = WStakingRewards.deploy(staking, lp, index, {'from': admin})
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([dpi, weth, usdt],
[2**112 * 100 // 700, 2**112, 2**112 // 700])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wstaking], True, {'from': admin})
core_oracle.setRoute(
[dpi, weth, lp, usdt, lp_usdt],
[
simple_oracle, simple_oracle, uniswap_oracle, simple_oracle,
uniswap_oracle
],
{'from': admin},
)
oracle.setOracles(
[dpi, weth, lp, usdt, lp_usdt],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
homora.addBank(dpi, crdpi, {'from': admin})
homora.addBank(usdt, crusdt, {'from': admin})
# setup initial funds to alice
mint_tokens(dpi, alice)
mint_tokens(weth, alice)
mint_tokens(usdt, alice)
# check alice's funds
print(f'Alice dpi balance {dpi.balanceOf(alice)}')
print(f'Alice weth balance {weth.balanceOf(alice)}')
# Steal some LP from the staking pool
mint_tokens(lp, alice)
mint_tokens(lp, bob)
mint_tokens(lp_usdt, alice)
mint_tokens(lp_usdt, bob)
# set approval
dpi.approve(homora, 2**256 - 1, {'from': alice})
dpi.approve(crdpi, 2**256 - 1, {'from': alice})
weth.approve(homora, 2**256 - 1, {'from': alice})
usdt.approve(homora, 2**256 - 1, {'from': alice})
usdt.approve(crusdt, 2**256 - 1, {'from': alice})
lp.approve(homora, 2**256 - 1, {'from': alice})
lp.approve(staking, 2**256 - 1, {'from': bob})
uniswap_spell = UniswapV2SpellV1.deploy(homora, werc20, router,
{'from': admin})
# first time call to reduce gas
uniswap_spell.getPair(weth, dpi, {'from': admin})
#####################################################################################
print(
'========================================================================='
)
print('Case 1. add liquidity first time')
prevABal = dpi.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_staking = lp.balanceOf(staking)
if interface.IUniswapV2Pair(lp).token0() == dpi:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
dpi_amt = 10 * 10**18
weth_amt = 10**18
lp_amt = 0
borrow_dpi_amt = 0
borrow_weth_amt = 0
tx = homora.execute(
0,
uniswap_spell,
uniswap_spell.addLiquidityWStakingRewards.encode_input(
dpi, # token 0
weth, # token 1
[
dpi_amt, # supply DPI
weth_amt, # supply WETH
lp_amt, # supply LP
borrow_dpi_amt, # borrow DPI
borrow_weth_amt, # borrow WETH
0, # borrow LP tokens
0, # min DPI
0
], # min WETH
wstaking,
),
{'from': alice})
curABal = dpi.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_staking = lp.balanceOf(staking)
if interface.IUniswapV2Pair(lp).token0() == dpi:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, totalDebt, totalShare = homora.getBankInfo(dpi)
print('bank dpi totalDebt', totalDebt)
print('bank dpi totalShare', totalShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('staking prev LP balance', prevLPBal_staking)
print('staking cur LP balance', curLPBal_staking)
print('prev dpi res', prevARes)
print('cur dpi res', curARes)
print('prev weth res', prevBRes)
print('cur weth res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -dpi_amt), 'incorrect DPI amt'
assert almostEqual(curBBal - prevBBal, -weth_amt), 'incorrect WETH amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert dpi.balanceOf(uniswap_spell) == 0, 'non-zero spell DPI balance'
assert weth.balanceOf(uniswap_spell) == 0, 'non-zero spell WETH balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
assert totalDebt == borrow_dpi_amt
# check balance and pool reserves
assert curABal - prevABal - borrow_dpi_amt == - \
(curARes - prevARes), 'not all DPI tokens go to LP pool'
assert curBBal - prevBBal - borrow_weth_amt == - \
(curBRes - prevBRes), 'not all WETH tokens go to LP pool'
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevIndex = index.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
tx = interface.IStakingRewards(staking).stake(collSize, {'from': bob})
chain.sleep(20000)
prevAliceIndexBalance = index.balanceOf(alice)
print('Alice index balance', prevAliceIndexBalance)
#####################################################################################
print(
'========================================================================='
)
print('Case 2. add liquidity (failed tx desired)')
usdt_amt = 10 * 10**6
weth_amt = 10**18
lp_amt = 0
borrow_usdt_amt = 0
borrow_weth_amt = 0
try:
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.addLiquidityWStakingRewards.encode_input(
usdt, # token 0
weth, # token 1
[
usdt_amt, # supply USDT
weth_amt, # supply WETH
lp_amt, # supply LP
borrow_usdt_amt, # borrow USDT
borrow_weth_amt, # borrow WETH
0, # borrow LP tokens
0, # min USDT
0
], # min WETH
wstaking,
),
{'from': alice})
except VirtualMachineError:
pass
#####################################################################################
print(
'========================================================================='
)
print('Case 3. remove liquidity (failed tx desired)')
lp_take_amt = collSize
lp_want = 0
usdt_repay = 0
weth_repay = 0
try:
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.removeLiquidityWStakingRewards.encode_input(
usdt, # token 0
weth, # token 1
[
lp_take_amt, # take out LP tokens
lp_want, # withdraw LP tokens to wallet
usdt_repay, # repay USDT
weth_repay, # repay WETH
0, # repay LP tokens
0, # min USDT
0
], # min WETH
wstaking,
),
{'from': alice})
except VirtualMachineError:
pass
#####################################################################################
print(
'========================================================================='
)
print('Case 4. remove liquidity')
prevABal = dpi.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_staking = lp.balanceOf(staking)
prevETHBal = alice.balance()
if interface.IUniswapV2Pair(lp).token0() == dpi:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
lp_take_amt = collSize
lp_want = 0
dpi_repay = 0
weth_repay = 0
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.removeLiquidityWStakingRewards.encode_input(
dpi, # token 0
weth, # token 1
[
lp_take_amt, # take out LP tokens
lp_want, # withdraw LP tokens to wallet
dpi_repay, # repay DPI
weth_repay, # repay WETH
0, # repay LP tokens
0, # min DPI
0
], # min WETH
wstaking,
),
{'from': alice})
curABal = dpi.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_staking = lp.balanceOf(staking)
curETHBal = alice.balance()
if interface.IUniswapV2Pair(lp).token0() == dpi:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, totalDebt, totalShare = homora.getBankInfo(dpi)
print('bank dpi totalDebt', totalDebt)
print('bank dpi totalShare', totalShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('wstaking prev LP balance', prevLPBal_staking)
print('wstaking cur LP balance', curLPBal_staking)
print('prev dpi res', prevARes)
print('cur dpi res', curARes)
print('prev weth res', prevBRes)
print('cur weth res', curBRes)
# alice
assert almostEqual(curBBal - prevBBal, 0), 'incorrect WETH amt'
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# staking
assert almostEqual(curLPBal_staking - prevLPBal_staking,
-lp_take_amt), 'incorrect staking LP amt'
# spell
assert dpi.balanceOf(uniswap_spell) == 0, 'non-zero spell DPI balance'
assert weth.balanceOf(uniswap_spell) == 0, 'non-zero spell WETH balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
# check balance and pool reserves
assert almostEqual(curABal - prevABal + dpi_repay,
-(curARes - prevARes)), 'inconsistent DPI from withdraw'
assert almostEqual(curBBal - prevBBal,
0), 'inconsistent WETH from withdraw'
assert almostEqual(curETHBal - prevETHBal + weth_repay,
-(curBRes - prevBRes)), 'inconsistent ETH from withdraw'
curAliceIndexBalance = index.balanceOf(alice)
print('Alice index balance', curAliceIndexBalance)
receivedIndex = curAliceIndexBalance - prevAliceIndexBalance
print('received index', receivedIndex)
# check with staking directly
tx = interface.IStakingRewards(staking).getReward({'from': bob})
receivedIndexFromStaking = index.balanceOf(bob) - prevIndex
print('receivedIndexFromStaking', receivedIndexFromStaking)
assert almostEqual(receivedIndex, receivedIndexFromStaking)
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
usdt = interface.IERC20Ex('0xdac17f958d2ee523a2206206994597c13d831ec7')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
usdc = interface.IERC20Ex('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
lp = interface.IERC20Ex('0x06da0fd433C1A5d7a4faa01111c044910A184553')
lp_usdc = interface.IERC20Ex('0x3041cbd36888becc7bbcbc0045e3b1f144466f5f')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
crusdc = interface.ICErc20('0x44fbebd2f576670a6c33f6fc0b00aa8c5753b322')
sushi = interface.IERC20('0x6b3595068778dd592e39a122f4f5a5cf09c90fe2')
# sushiswap router
router = interface.IUniswapV2Router02(
'0xd9e1ce17f2641f24ae83637ab66a2cca9c378b9f')
chef = accounts.at('0xc2edad668740f1aa35e4d8f227fb8e17dca888cd',
force=True)
wchef = WMasterChef.deploy(chef, {'from': admin})
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([usdt, weth, usdc],
[2**112 // 700, 2**112, 2**112 // 700])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wchef], True, {'from': admin})
core_oracle.setRoute(
[usdt, weth, lp, usdc, lp_usdc],
[
simple_oracle, simple_oracle, uniswap_oracle, simple_oracle,
uniswap_oracle
],
{'from': admin},
)
oracle.setOracles(
[usdt, weth, lp, usdc, lp_usdc],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
homora.addBank(usdt, crusdt, {'from': admin})
homora.addBank(usdc, crusdc, {'from': admin})
# setup initial funds to alice
mint_tokens(usdt, alice)
mint_tokens(weth, alice)
mint_tokens(usdc, alice)
# check alice's funds
print(f'Alice usdt balance {usdt.balanceOf(alice)}')
print(f'Alice weth balance {weth.balanceOf(alice)}')
# Steal some LP from the staking pool
mint_tokens(lp, alice)
mint_tokens(lp, bob)
# set approval
usdt.approve(homora, 2**256 - 1, {'from': alice})
usdt.approve(crusdt, 2**256 - 1, {'from': alice})
usdc.approve(homora, 2**256 - 1, {'from': alice})
usdc.approve(crusdc, 2**256 - 1, {'from': alice})
weth.approve(homora, 2**256 - 1, {'from': alice})
lp.approve(homora, 2**256 - 1, {'from': alice})
lp.approve(chef, 2**256 - 1, {'from': bob})
sushiswap_spell = SushiswapSpellV1.deploy(homora, werc20, router, wchef,
{'from': admin})
# first time call to reduce gas
sushiswap_spell.getPair(weth, usdt, {'from': admin})
# whitelist spell in bank
homora.setWhitelistSpells([sushiswap_spell], [True], {'from': admin})
# whitelist lp in spell
sushiswap_spell.setWhitelistLPTokens([lp], [True], {'from': admin})
#####################################################################################
print(
'========================================================================='
)
print('Case 1. add liquidity first time')
prevABal = usdt.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_chef = lp.balanceOf(chef)
if interface.IUniswapV2Pair(lp).token0() == usdt:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
usdt_amt = 10 * 10**6
weth_amt = 10**18
lp_amt = 0
borrow_usdt_amt = 0
borrow_weth_amt = 0
pid = 0
tx = homora.execute(
0,
sushiswap_spell,
sushiswap_spell.addLiquidityWMasterChef.encode_input(
usdt, # token 0
weth, # token 1
[
usdt_amt, # supply USDT
weth_amt, # supply WETH
lp_amt, # supply LP
borrow_usdt_amt, # borrow USDT
borrow_weth_amt, # borrow WETH
0, # borrow LP tokens
0, # min USDT
0
], # min WETH
pid,
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_chef = lp.balanceOf(chef)
if interface.IUniswapV2Pair(lp).token0() == usdt:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(sushiswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, totalDebt, totalShare = homora.getBankInfo(usdt)
print('bank usdt totalDebt', totalDebt)
print('bank usdt totalShare', totalShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('chef prev LP balance', prevLPBal_chef)
print('chef cur LP balance', curLPBal_chef)
print('prev usdt res', prevARes)
print('cur usdt res', curARes)
print('prev weth res', prevBRes)
print('cur weth res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curBBal - prevBBal, -weth_amt), 'incorrect WETH amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert usdt.balanceOf(sushiswap_spell) == 0, 'non-zero spell USDT balance'
assert weth.balanceOf(sushiswap_spell) == 0, 'non-zero spell WETH balance'
assert lp.balanceOf(sushiswap_spell) == 0, 'non-zero spell LP balance'
assert totalDebt == borrow_usdt_amt
# check balance and pool reserves
assert curABal - prevABal - borrow_usdt_amt == - \
(curARes - prevARes), 'not all USDT tokens go to LP pool'
assert almostEqual(
curBBal - prevBBal - borrow_weth_amt,
-(curBRes - prevBRes)), 'not all WETH tokens go to LP pool'
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevSushi = sushi.balanceOf(bob)
pid = 0
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
tx = interface.IMasterChef(chef).deposit(pid, collSize, {'from': bob})
chain.sleep(20000)
prevAliceSushiBalance = sushi.balanceOf(alice)
print('Alice sushi balance', prevAliceSushiBalance)
#####################################################################################
print(
'========================================================================='
)
print('Case 2. add liquidity (failed tx desired)')
usdc_amt = 10 * 10**6
weth_amt = 10**18
lp_amt = 0
borrow_usdc_amt = 0
borrow_weth_amt = 0
pid = 0
try:
tx = homora.execute(
1,
sushiswap_spell,
sushiswap_spell.addLiquidityWMasterChef.encode_input(
usdc, # token 0
weth, # token 1
[
usdc_amt, # supply USDC
weth_amt, # supply WETH
lp_amt, # supply LP
borrow_usdc_amt, # borrow USDC
borrow_weth_amt, # borrow WETH
0, # borrow LP tokens
0, # min USDC
0
], # min WETH
pid,
),
{'from': alice})
assert False, 'tx not fail'
except VirtualMachineError:
pass
#####################################################################################
print(
'========================================================================='
)
print('Case 3. remove liquidity (failed tx desired)')
lp_take_amt = collSize
lp_want = 0
usdc_repay = 0
weth_repay = 0
try:
tx = homora.execute(
1,
sushiswap_spell,
sushiswap_spell.removeLiquidityWMasterChef.encode_input(
usdc, # token 0
weth, # token 1
[
lp_take_amt, # take out LP tokens
lp_want, # withdraw LP tokens to wallet
usdc_repay, # repay USDC
weth_repay, # repay WETH
0, # repay LP tokens
0, # min USDC
0
], # min WETH
),
{'from': alice})
assert False, 'tx not failed'
except VirtualMachineError:
pass
#####################################################################################
print(
'========================================================================='
)
print('Case 4. remove liquidity')
prevABal = usdt.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_chef = lp.balanceOf(chef)
prevETHBal = alice.balance()
if interface.IUniswapV2Pair(lp).token0() == usdt:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
lp_take_amt = collSize
lp_want = 0
usdt_repay = 0
weth_repay = 0
pid = 0
tx = homora.execute(
1,
sushiswap_spell,
sushiswap_spell.removeLiquidityWMasterChef.encode_input(
usdt, # token 0
weth, # token 1
[
lp_take_amt, # take out LP tokens
lp_want, # withdraw LP tokens to wallet
usdt_repay, # repay USDT
weth_repay, # repay WETH
0, # repay LP tokens
0, # min USDT
0
], # min WETH
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_chef = lp.balanceOf(chef)
curETHBal = alice.balance()
if interface.IUniswapV2Pair(lp).token0() == usdt:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(sushiswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, totalDebt, totalShare = homora.getBankInfo(usdt)
print('bank usdt totalDebt', totalDebt)
print('bank usdt totalShare', totalShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('chef prev LP balance', prevLPBal_chef)
print('chef cur LP balance', curLPBal_chef)
print('prev usdt res', prevARes)
print('cur usdt res', curARes)
print('prev weth res', prevBRes)
print('cur weth res', curBRes)
# alice
assert almostEqual(curBBal - prevBBal, 0), 'incorrect WETH amt'
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# chef
assert almostEqual(curLPBal_chef - prevLPBal_chef,
-lp_take_amt), 'incorrect chef LP amt'
# spell
assert usdt.balanceOf(sushiswap_spell) == 0, 'non-zero spell USDT balance'
assert weth.balanceOf(sushiswap_spell) == 0, 'non-zero spell WETH balance'
assert lp.balanceOf(sushiswap_spell) == 0, 'non-zero spell LP balance'
# check balance and pool reserves
assert almostEqual(
curABal - prevABal + usdt_repay,
-(curARes - prevARes)), 'inconsistent USDT from withdraw'
assert almostEqual(curBBal - prevBBal,
0), 'inconsistent WETH from withdraw'
assert almostEqual(curETHBal - prevETHBal + weth_repay,
-(curBRes - prevBRes)), 'inconsistent ETH from withdraw'
curAliceSushiBalance = sushi.balanceOf(alice)
print('Alice sushi balance', curAliceSushiBalance)
receivedSushi = curAliceSushiBalance - prevAliceSushiBalance
print('received sushi', receivedSushi)
# check with staking directly
pid = 0
tx = interface.IMasterChef(chef).withdraw(pid, collSize, {'from': bob})
receivedSushiFromStaking = sushi.balanceOf(bob) - prevSushi
print('receivedSushiFromStaking', receivedSushiFromStaking)
assert almostEqual(receivedSushi, receivedSushiFromStaking)
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
dfd = interface.IERC20Ex('0x20c36f062a31865bED8a5B1e512D9a1A20AA333A')
dusd = interface.IERC20Ex('0x5BC25f649fc4e26069dDF4cF4010F9f706c23831')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
dai = interface.IERC20Ex('0x6B175474E89094C44Da98b954EedeAC495271d0F')
lp = interface.IERC20Ex('0xd8e9690eff99e21a2de25e0b148ffaf47f47c972')
# pool is lp for balancer
pool = interface.IBalancerPool('0xd8e9690eff99e21a2de25e0b148ffaf47f47c972')
lp_dai = interface.IERC20Ex('0x8b6e6e7b5b3801fed2cafd4b22b8a16c2f2db21a')
pool_dai = interface.IBalancerPool('0x8b6e6e7b5b3801fed2cafd4b22b8a16c2f2db21a')
crdfd = MockCErc20.deploy(dfd, {'from': admin})
crdusd = MockCErc20.deploy(dusd, {'from': admin})
crdai = MockCErc20.deploy(dai, {'from': admin})
crweth = MockCErc20.deploy(weth, {'from': admin})
werc20 = WERC20.deploy({'from': admin})
staking = accounts.at('0xf068236ecad5fabb9883bbb26a6445d6c7c9a924', force=True)
wstaking = WStakingRewards.deploy(staking, lp, dfd, {'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([dfd, dusd], [2**112 // 2 // 700, 2**112 * 2 // 700])
balancer_oracle = BalancerPairOracle.deploy(simple_oracle, {'from': alice})
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wstaking], True, {'from': admin})
core_oracle.setRoute(
[dfd, dusd, lp],
[simple_oracle, simple_oracle, balancer_oracle],
{'from': admin},
)
oracle.setOracles(
[dfd, dusd, lp],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
homora.addBank(dfd, crdfd, {'from': admin})
homora.addBank(dusd, crdusd, {'from': admin})
# setup initial funds to alice
mint_tokens(dfd, alice)
mint_tokens(dusd, alice)
mint_tokens(weth, alice)
mint_tokens(dai, alice)
mint_tokens(dfd, crdfd)
# check alice's funds
print(f'Alice dusd balance {dusd.balanceOf(alice)}')
print(f'Alice dfd balance {dfd.balanceOf(alice)}')
# Steal some LP from the staking pool
mint_tokens(lp, alice)
mint_tokens(lp, bob)
# set approval
dfd.approve(homora, 2**256-1, {'from': alice})
dfd.approve(crdfd, 2**256-1, {'from': alice})
dusd.approve(homora, 2**256-1, {'from': alice})
dusd.approve(crdusd, 2**256-1, {'from': alice})
dai.approve(homora, 2**256-1, {'from': alice})
dai.approve(crdai, 2**256-1, {'from': alice})
weth.approve(homora, 2**256-1, {'from': alice})
weth.approve(crweth, 2**256-1, {'from': alice})
lp.approve(homora, 2**256-1, {'from': alice})
lp.approve(staking, 2**256-1, {'from': bob})
balancer_spell = BalancerSpellV1.deploy(
homora, werc20, '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', {'from': admin})
# first time call to reduce gas
balancer_spell.getPair(lp, {'from': admin})
#####################################################################################
print('=========================================================================')
print('Case 1.')
prevABal = dfd.balanceOf(alice)
prevBBal = dusd.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_staking = lp.balanceOf(staking)
prevARes = interface.IBalancerPool(lp).getBalance(dfd)
prevBRes = interface.IBalancerPool(lp).getBalance(dusd)
dfd_amt = 100 * 10**18
dusd_amt = 10 ** 18
lp_amt = 0
borrow_dfd_amt = 10**18
borrow_dusd_amt = 0
# calculate slippage control
total_dfd_amt = dfd_amt + borrow_dfd_amt
total_dusd_amt = dusd_amt + borrow_dusd_amt
dfd_weight = 0.58
dusd_weight = 0.42
ratio = (((prevARes + total_dfd_amt) / prevARes) ** dfd_weight) * \
(((prevBRes + total_dusd_amt) / prevBRes) ** dusd_weight) - 1
lp_desired = lp_amt + int(interface.IERC20(lp).totalSupply() * ratio * 0.995)
print('lp desired', lp_desired)
tx = homora.execute(
0,
balancer_spell,
balancer_spell.addLiquidityWStakingRewards.encode_input(
lp, # lp token
[dfd_amt, # supply DFD
dusd_amt, # supply DUSD
lp_amt, # supply LP
borrow_dfd_amt, # borrow DFD
borrow_dusd_amt, # borrow DUSD
0, # borrow LP tokens
lp_desired], # LP desired
wstaking
),
{'from': alice}
)
curABal = dfd.balanceOf(alice)
curBBal = dusd.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_staking = lp.balanceOf(staking)
curARes = interface.IBalancerPool(lp).getBalance(dfd)
curBRes = interface.IBalancerPool(lp).getBalance(dusd)
print('spell lp balance', lp.balanceOf(balancer_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, dfdDebt, dfdShare = homora.getBankInfo(dfd)
print('bank dfd dfdDebt', dfdDebt)
print('bank dfd dfdShare', dfdShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('staking prev LP balance', prevLPBal_staking)
print('staking cur LP balance', curLPBal_staking)
print('prev dfd res', prevARes)
print('cur dfd res', curARes)
print('prev dusd res', prevBRes)
print('cur dusd res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -dfd_amt), 'incorrect DFD amt'
assert almostEqual(curBBal - prevBBal, -dusd_amt), 'incorrect DUSD amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert dfd.balanceOf(balancer_spell) == 0, 'non-zero spell DFD balance'
assert dusd.balanceOf(balancer_spell) == 0, 'non-zero spell DUSD balance'
assert lp.balanceOf(balancer_spell) == 0, 'non-zero spell LP balance'
assert dfdDebt == borrow_dfd_amt
# check balance and pool reserves
assert almostEqual(curABal - prevABal - borrow_dfd_amt, -
(curARes - prevARes)), 'not all DFD tokens go to LP pool'
assert almostEqual(curBBal - prevBBal - borrow_dusd_amt, -
(curBRes - prevBRes)), 'not all DUSD tokens go to LP pool'
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevDfd = dfd.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
tx = interface.IStakingRewards(staking).stake(collSize, {'from': bob})
chain.sleep(20000)
prevAliceDfdBalance = dfd.balanceOf(alice)
print('Alice dfd balance', prevAliceDfdBalance)
#####################################################################################
print('=========================================================================')
print('Case 2. add liquidity (failed tx desired)')
weth_amt = 100 * 10**18
dai_amt = 10 ** 18
lp_amt = 0
borrow_weth_amt = 0
borrow_dai_amt = 0
# calculate slippage control
total_weth_amt = weth_amt + borrow_weth_amt
total_dai_amt = dai_amt + borrow_dai_amt
dfd_weight = 0.8
dusd_weight = 0.2
ratio = (((prevARes + total_weth_amt) / prevARes) ** dfd_weight) * \
(((prevBRes + total_dai_amt) / prevBRes) ** dusd_weight) - 1
lp_desired = lp_amt + int(interface.IERC20(lp).totalSupply() * ratio * 0.995)
lp_desired = 0
print('lp desired', lp_desired)
try:
tx = homora.execute(
1,
balancer_spell,
balancer_spell.addLiquidityWStakingRewards.encode_input(
lp_dai, # lp token
[weth_amt, # supply DFD
dai_amt, # supply DUSD
lp_amt, # supply LP
borrow_weth_amt, # borrow DFD
borrow_dai_amt, # borrow DUSD
0, # borrow LP tokens
lp_desired], # LP desired
wstaking
),
{'from': alice}
)
assert False, 'tx should fail'
except VirtualMachineError:
pass
#####################################################################################
print('=========================================================================')
print('Case 3. remove liquidity (failed tx desired)')
lp_take_amt = 2**256-1 # max
lp_want = 0
weth_repay = 2**256-1 # max
dai_repay = 2**256-1 # max
real_weth_repay = homora.borrowBalanceStored(1, dfd)
_, _, _, real_lp_take_amt = homora.getPositionInfo(1)
expected_withdraw_dfd = collSize * prevARes // interface.IBalancerPool(lp).totalSupply()
print('expected withdraw DFD', expected_withdraw_dfd)
try:
tx = homora.execute(
1,
balancer_spell,
balancer_spell.removeLiquidityWStakingRewards.encode_input(
lp_dai, # LP token
[lp_take_amt, # take out LP tokens
lp_want, # withdraw LP tokens to wallet
weth_repay, # repay DFD
dai_repay, # repay DUSD
0, # repay LP
0, # min DFD
0], # min DUSD
wstaking
),
{'from': alice}
)
assert False, 'tx should fail'
except VirtualMachineError:
pass
#####################################################################################
print('=========================================================================')
print('Case 4. remove liquidity')
# remove liquidity from the same position
prevABal = dfd.balanceOf(alice)
prevBBal = dusd.balanceOf(alice)
prevETHBal = alice.balance()
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_staking = lp.balanceOf(staking)
prevETHBal = alice.balance()
prevCrdfdBal = lp.balanceOf(crdfd)
prevARes = interface.IBalancerPool(lp).getBalance(dfd)
prevBRes = interface.IBalancerPool(lp).getBalance(dusd)
lp_take_amt = 2**256-1 # max
lp_want = 0
dfd_repay = 2**256-1 # max
dusd_repay = 0
real_dfd_repay = homora.borrowBalanceStored(1, dfd)
_, _, _, real_lp_take_amt = homora.getPositionInfo(1)
expected_withdraw_dfd = collSize * prevARes // interface.IBalancerPool(lp).totalSupply()
print('expected withdraw DFD', expected_withdraw_dfd)
tx = homora.execute(
1,
balancer_spell,
balancer_spell.removeLiquidityWStakingRewards.encode_input(
lp, # LP token
[lp_take_amt, # take out LP tokens
lp_want, # withdraw LP tokens to wallet
dfd_repay, # repay DFD
dusd_repay, # repay DUSD
0, # repay LP
0, # min DFD
0], # min DUSD
wstaking
),
{'from': alice}
)
curABal = dfd.balanceOf(alice)
curBBal = dusd.balanceOf(alice)
curETHBal = alice.balance()
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_staking = lp.balanceOf(staking)
curETHBal = alice.balance()
curCrdfdBal = lp.balanceOf(crdfd)
curARes = interface.IBalancerPool(lp).getBalance(dfd)
curBRes = interface.IBalancerPool(lp).getBalance(dusd)
print('spell lp balance', lp.balanceOf(balancer_spell))
print('spell dfd balance', dfd.balanceOf(balancer_spell))
print('spell dusd balance', dusd.balanceOf(balancer_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta ETH balance', curETHBal - prevETHBal)
print('Alice delta LP balance', curLPBal - prevLPBal)
print('remove liquidity gas', tx.gas_used)
print('bank delta lp balance', curLPBal_bank - prevLPBal_bank)
print('bank total lp balance', curLPBal_bank)
_, _, _, dfdDebt, dfdShare = homora.getBankInfo(dfd)
print('bank dfd totalDebt', dfdDebt)
print('bank dfd totalShare', dfdShare)
print('LP want', lp_want)
print('bank delta LP amount', curLPBal_bank - prevLPBal_bank)
print('LP take amount', lp_take_amt)
print('prev staking LP balance', prevLPBal_staking)
print('cur staking LP balance', curLPBal_staking)
print('real dfd repay', real_dfd_repay)
print('curCrdfdBal', curCrdfdBal)
print('delta crdfd', curCrdfdBal - prevCrdfdBal)
print('A res delta', prevARes - curARes)
print('B res delta', prevBRes - curBRes)
# alice
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# staking
assert almostEqual(curLPBal_staking - prevLPBal_staking, -
real_lp_take_amt), 'incorrect staking LP amt'
# spell
assert dfd.balanceOf(balancer_spell) == 0, 'non-zero spell DFD balance'
assert dusd.balanceOf(balancer_spell) == 0, 'non-zero spell DUSD balance'
assert lp.balanceOf(balancer_spell) == 0, 'non-zero spell LP balance'
# check balance and pool reserves
assert almostEqual(curABal - prevABal + real_dfd_repay, -
(curARes - prevARes)), 'inconsistent DFD from withdraw'
assert almostEqual(curBBal - prevBBal + dusd_repay, -(curBRes - prevBRes)
), 'inconsistent DUSD from withdraw'
curAliceDfdBalance = dfd.balanceOf(alice)
print('Alice dfd balance', curAliceDfdBalance)
receivedDfd = curAliceDfdBalance - prevAliceDfdBalance + real_dfd_repay - (prevARes - curARes)
print('received dfd', receivedDfd)
# check with staking directly
tx = interface.IStakingRewards(staking).getReward({'from': bob})
receivedDfdFromStaking = dfd.balanceOf(bob) - prevDfd
print('receivedDfdFromStaking', receivedDfdFromStaking)
assert almostEqual(receivedDfd, receivedDfdFromStaking)
return tx
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
dai = interface.IERC20Ex('0x6B175474E89094C44Da98b954EedeAC495271d0F')
usdc = interface.IERC20Ex('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
adai = interface.IERC20Ex('0x028171bCA77440897B824Ca71D1c56caC55b68A3')
ausdc = interface.IERC20Ex('0xBcca60bB61934080951369a648Fb03DF4F96263C')
ausdt = interface.IERC20Ex('0x3Ed3B47Dd13EC9a98b44e6204A523E766B225811')
lp = interface.IERC20Ex('0x6c3f90f043a72fa612cbac8115ee7e52bde6e490')
pool = interface.ICurvePool('0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7')
lp_aave = interface.IERC20Ex('0xFd2a8fA60Abd58Efe3EeE34dd494cD491dC14900')
pool_aave = interface.ICurvePool('0xDeBF20617708857ebe4F679508E7b7863a8A8EeE')
registry = interface.ICurveRegistry(
'0x7d86446ddb609ed0f5f8684acf30380a356b2b4c')
crdai = interface.ICErc20('0x92B767185fB3B04F881e3aC8e5B0662a027A1D9f')
crusdc = interface.ICErc20('0x44fbebd2f576670a6c33f6fc0b00aa8c5753b322')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
cradai = MockCErc20.deploy(adai, {'from': admin})
crausdc = MockCErc20.deploy(ausdc, {'from': admin})
crausdt = MockCErc20.deploy(ausdt, {'from': admin})
gauge = accounts.at(
'0xbFcF63294aD7105dEa65aA58F8AE5BE2D9d0952A', force=True)
wgauge = WLiquidityGauge.deploy(
registry, '0xD533a949740bb3306d119CC777fa900bA034cd52', {'from': admin})
crv = interface.IERC20Ex(wgauge.crv())
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([dai, usdt, usdc, adai, ausdc, ausdt], [2**112 // 700 // 10**12,
2**112 // 700,
2**112 // 700,
2**112 // 700,
2**112 // 700,
2**112 // 700])
curve_oracle = CurveOracle.deploy(simple_oracle, registry, {'from': admin})
curve_oracle.registerPool(lp) # update pool info
curve_oracle.registerPool(lp_aave) # update pool info
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wgauge], True, {'from': admin})
core_oracle.setRoute(
[dai, usdc, usdt, lp, adai, ausdc, ausdt, lp_aave],
[simple_oracle, simple_oracle, simple_oracle, curve_oracle,
simple_oracle, simple_oracle, simple_oracle, curve_oracle],
{'from': admin},
)
oracle.setOracles(
[dai, usdc, usdt, lp, adai, ausdc, ausdt, lp_aave],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
# initialize
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
# add bank
homora.addBank(dai, crdai, {'from': admin})
homora.addBank(usdc, crusdc, {'from': admin})
homora.addBank(usdt, crusdt, {'from': admin})
# setup initial funds to alice
mint_tokens(dai, alice)
mint_tokens(usdc, alice)
mint_tokens(usdt, alice)
# check alice's funds
print(f'Alice dai balance {dai.balanceOf(alice)}')
print(f'Alice usdc balance {usdc.balanceOf(alice)}')
print(f'Alice usdt balance {usdt.balanceOf(alice)}')
# steal some LP from the staking pool
mint_tokens(lp, alice)
mint_tokens(lp, bob)
# set approval
dai.approve(homora, 2**256-1, {'from': alice})
dai.approve(crdai, 2**256-1, {'from': alice})
usdc.approve(homora, 2**256-1, {'from': alice})
usdc.approve(crusdc, 2**256-1, {'from': alice})
usdt.approve(homora, 2**256-1, {'from': alice})
usdt.approve(crusdt, 2**256-1, {'from': alice})
lp.approve(homora, 2**256-1, {'from': alice})
lp.approve(gauge, 2**256-1, {'from': bob})
curve_spell = CurveSpellV1.deploy(
homora, werc20, '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', wgauge, {'from': admin})
# register gauge
wgauge.registerGauge(0, 0)
# set up pools
curve_spell.getPool(lp)
# first time call to reduce gas
curve_spell.ensureApproveN(lp, 3, {'from': admin})
# whitelist spell in bank
homora.setWhitelistSpells([curve_spell], [True], {'from': admin})
# whitelist token in bank
homora.setWhitelistTokens([dai, usdt, usdc], [True, True, True], {'from': admin})
# whitelist lp in spell
curve_spell.setWhitelistLPTokens([lp], [True], {'from': admin})
#####################################################################################
print('=========================================================================')
print('Case 1.')
prevABal = dai.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevCBal = usdt.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_gauge = lp.balanceOf(gauge)
dai_amt = 20000 * 10**18 # 20000 DAI
usdc_amt = 50000 * 10**6 # 50000 USDC
usdt_amt = 40000 * 10**6 # 40000 USDT
lp_amt = 0 # 1 * 10**18
borrow_dai_amt = 2000 * 10**18 # 2000 DAI
borrow_usdc_amt = 200 * 10**6 # 200 USDC
borrow_usdt_amt = 1000 * 10**6 # 1000 USDT
borrow_lp_amt = 0
minLPMint = 0
pid = 0
gid = 0
tx = homora.execute(
0,
curve_spell,
curve_spell.addLiquidity3.encode_input(
lp, # LP
[dai_amt, usdc_amt, usdt_amt], # supply tokens
lp_amt, # supply LP
[borrow_dai_amt, borrow_usdc_amt, borrow_usdt_amt], # borrow tokens
borrow_lp_amt, # borrow LP
minLPMint, # min LP mint
pid,
gid
),
{'from': alice}
)
curABal = dai.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curCBal = usdt.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_gauge = lp.balanceOf(gauge)
print('spell lp balance', lp.balanceOf(curve_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta C balance', curCBal - prevCBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, daiDebt, daiDebtShare = homora.getBankInfo(dai)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, lpDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank dai totalDebt', daiDebt)
print('bank dai totalShare', daiDebtShare)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('bank usdc totalDebt', usdcDebt)
print('bank usdc totalShare', usdcDebtShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('gauge prev LP balance', prevLPBal_gauge)
print('gauge cur LP balance', curLPBal_gauge)
# alice
assert almostEqual(curABal - prevABal, -dai_amt), 'incorrect DAI amt'
assert almostEqual(curBBal - prevBBal, -usdc_amt), 'incorrect USDC amt'
assert almostEqual(curCBal - prevCBal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curLPBal - prevLPBal, -lp_amt), 'incorrect LP amt'
# spell
assert dai.balanceOf(curve_spell) == 0, 'non-zero spell DAI balance'
assert usdc.balanceOf(curve_spell) == 0, 'non-zero spell USDC balance'
assert usdt.balanceOf(curve_spell) == 0, 'non-zero spell USDT balance'
assert lp.balanceOf(curve_spell) == 0, 'non-zero spell LP balance'
# debt
assert daiDebt == borrow_dai_amt
assert usdcDebt == borrow_usdc_amt
assert usdtDebt == borrow_usdt_amt
# #####################################################################################
print('=========================================================================')
print('Case 2. harvest first time')
prevCRVBalance = crv.balanceOf(alice)
print('Alice CRV balance before harvest', prevCRVBalance)
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevCrv = crv.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
pid, gid = 0, 0
gauge, _ = wgauge.gauges(pid, gid)
tx = interface.ILiquidityGauge(gauge).deposit(collSize, {'from': bob})
chain.sleep(20000)
tx = homora.execute(
1,
curve_spell,
curve_spell.harvest.encode_input(),
{'from': alice}
)
print('tx gas used', tx.gas_used)
curCRVBalance = crv.balanceOf(alice)
print('Alice CRV balance after harvest', curCRVBalance)
receivedCrv = curCRVBalance - prevCRVBalance
# check with staking directly
minter = interface.ILiquidityGaugeMinter(interface.ILiquidityGauge(gauge).minter())
print('minter', minter)
tx = minter.mint(gauge, {'from': bob})
print('tx status', tx.status)
tx = interface.ILiquidityGauge(gauge).withdraw(collSize, {'from': bob})
receivedCrvFromGauge = crv.balanceOf(bob) - prevCrv
print('receivedCrvFromGauge', receivedCrvFromGauge)
assert almostEqual(receivedCrv, receivedCrvFromGauge)
# #####################################################################################
print('=========================================================================')
print('Case 3. harvest second time')
prevCRVBalance = crv.balanceOf(alice)
print('Alice CRV balance before harvest', prevCRVBalance)
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevCrv = crv.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
pid, gid = 0, 0
gauge, _ = wgauge.gauges(pid, gid)
tx = interface.ILiquidityGauge(gauge).deposit(collSize, {'from': bob})
chain.sleep(20000)
tx = homora.execute(
1,
curve_spell,
curve_spell.harvest.encode_input(),
{'from': alice}
)
print('tx gas used', tx.gas_used)
curCRVBalance = crv.balanceOf(alice)
print('Alice CRV balance after harvest', curCRVBalance)
receivedCrv = curCRVBalance - prevCRVBalance
# check with staking directly
minter = interface.ILiquidityGaugeMinter(interface.ILiquidityGauge(gauge).minter())
print('minter', minter)
tx = minter.mint(gauge, {'from': bob})
print('tx status', tx.status)
tx = interface.ILiquidityGauge(gauge).withdraw(collSize, {'from': bob})
receivedCrvFromGauge = crv.balanceOf(bob) - prevCrv
print('receivedCrvFromGauge', receivedCrvFromGauge)
assert almostEqual(receivedCrv, receivedCrvFromGauge)
return tx
def main():
admin = accounts[0]
alice = accounts[1]
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
lp = interface.IERC20Ex('0x06da0fd433C1A5d7a4faa01111c044910A184553')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
router = interface.IUniswapV2Router02(
'0xd9e1ce17f2641f24ae83637ab66a2cca9c378b9f')
chef = accounts.at('0xc2edad668740f1aa35e4d8f227fb8e17dca888cd',
force=True)
wchef = WMasterChef.deploy(chef, {'from': admin})
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([usdt, weth], [2**112 // 700, 2**112])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wchef], True, {'from': admin})
core_oracle.setRoute(
[usdt, weth, lp],
[simple_oracle, simple_oracle, uniswap_oracle],
{'from': admin},
)
oracle.setOracles(
[usdt, weth, lp],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
homora.addBank(usdt, crusdt, {'from': admin})
# setup initial funds to alice
mint_tokens(usdt, alice)
mint_tokens(weth, alice)
# Steal some LP from the staking pool
mint_tokens(lp, alice)
# check alice's funds
print(f'Alice usdt balance {usdt.balanceOf(alice)}')
print(f'Alice weth balance {weth.balanceOf(alice)}')
print(f'Alice weth balance {lp.balanceOf(alice)}')
# set approval
usdt.approve(homora, 2**256 - 1, {'from': alice})
usdt.approve(crusdt, 2**256 - 1, {'from': alice})
weth.approve(homora, 2**256 - 1, {'from': alice})
lp.approve(homora, 2**256 - 1, {'from': alice})
sushiswap_spell = SushiswapSpellV1.deploy(homora, werc20, router, wchef,
{'from': admin})
# first time call to reduce gas
sushiswap_spell.getPair(weth, usdt, {'from': admin})
# whitelist spell in bank
homora.setWhitelistSpells([sushiswap_spell], [True], {'from': admin})
# whitelist token in bank
homora.setWhitelistTokens([usdt], [True], {'from': admin})
# whitelist lp in spell
sushiswap_spell.setWhitelistLPTokens([lp], [True], {'from': admin})
#####################################################################################
print(
'========================================================================='
)
print('Case 1.')
prevABal = usdt.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
if interface.IUniswapV2Pair(lp).token0() == usdt:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
usdt_amt = 400 * 10**6
weth_amt = 10**18
lp_amt = 1 * 10**13
borrow_usdt_amt = 10 * 10**6
borrow_weth_amt = 0
tx = homora.execute(
0,
sushiswap_spell,
sushiswap_spell.addLiquidityWERC20.encode_input(
usdt, # token 0
weth, # token 1
[
usdt_amt, # supply USDT
weth_amt, # supply WETH
lp_amt, # supply LP
borrow_usdt_amt, # borrow USDT
borrow_weth_amt, # borrow WETH
0, # borrow LP tokens
0, # min USDT
0
], # min WETH
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
if interface.IUniswapV2Pair(lp).token0() == usdt:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(sushiswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, totalDebt, totalShare = homora.getBankInfo(usdt)
print('bank usdt totalDebt', totalDebt)
print('bank usdt totalShare', totalShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('werc20 prev LP balance', prevLPBal_werc20)
print('werc20 cur LP balance', curLPBal_werc20)
print('prev usdt res', prevARes)
print('cur usdt res', curARes)
print('prev weth res', prevBRes)
print('cur weth res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curBBal - prevBBal, -weth_amt), 'incorrect WETH amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert usdt.balanceOf(sushiswap_spell) == 0, 'non-zero spell USDT balance'
assert weth.balanceOf(sushiswap_spell) == 0, 'non-zero spell WETH balance'
assert lp.balanceOf(sushiswap_spell) == 0, 'non-zero spell LP balance'
assert totalDebt == borrow_usdt_amt
# check balance and pool reserves
assert curABal - prevABal - borrow_usdt_amt == - \
(curARes - prevARes), 'not all USDT tokens go to LP pool'
assert almostEqual(
curBBal - prevBBal - borrow_weth_amt,
-(curBRes - prevBRes)), 'not all WETH tokens go to LP pool'
_, _, collId, collSize = homora.getPositionInfo(1)
#####################################################################################
print(
'========================================================================='
)
print('Case 2.')
# remove liquidity from the same position
prevABal = usdt.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
prevETHBal = alice.balance()
if interface.IUniswapV2Pair(lp).token0() == usdt:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
lp_take_amt = collSize
lp_want = 1 * 10**12
usdt_repay = 2**256 - 1 # max
weth_repay = 0
real_usdt_repay = homora.borrowBalanceStored(1, usdt)
tx = homora.execute(
1,
sushiswap_spell,
sushiswap_spell.removeLiquidityWERC20.encode_input(
usdt, # token 0
weth, # token 1
[
lp_take_amt, # take out LP tokens
lp_want, # withdraw LP tokens to wallet
usdt_repay, # repay USDT
0, # repay WETH
0, # repay LP
0, # min USDT
0
], # min WETH
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
curETHBal = alice.balance()
if interface.IUniswapV2Pair(lp).token0() == usdt:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(sushiswap_spell))
print('spell usdt balance', usdt.balanceOf(sushiswap_spell))
print('spell weth balance', weth.balanceOf(sushiswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta LP balance', curLPBal - prevLPBal)
print('remove liquidity gas', tx.gas_used)
print('bank delta lp balance', curLPBal_bank - prevLPBal_bank)
print('bank total lp balance', curLPBal_bank)
_, _, _, totalDebt, totalShare = homora.getBankInfo(usdt)
print('bank usdt totalDebt', totalDebt)
print('bank usdt totalShare', totalShare)
print('LP want', lp_want)
print('bank delta LP amount', curLPBal_bank - prevLPBal_bank)
print('LP take amount', lp_take_amt)
print('prev werc20 LP balance', prevLPBal_werc20)
print('cur werc20 LP balance', curLPBal_werc20)
print('real usdt repay', real_usdt_repay)
# alice
assert almostEqual(curBBal - prevBBal, 0), 'incorrect WETH amt'
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# werc20
assert almostEqual(curLPBal_werc20 - prevLPBal_werc20,
-lp_take_amt), 'incorrect werc20 LP amt'
# spell
assert usdt.balanceOf(sushiswap_spell) == 0, 'non-zero spell USDT balance'
assert weth.balanceOf(sushiswap_spell) == 0, 'non-zero spell WETH balance'
assert lp.balanceOf(sushiswap_spell) == 0, 'non-zero spell LP balance'
# check balance and pool reserves
assert almostEqual(
curABal - prevABal + real_usdt_repay,
-(curARes - prevARes)), 'inconsistent USDT from withdraw'
assert almostEqual(curBBal - prevBBal,
0), 'inconsistent WETH from withdraw'
assert almostEqual(curETHBal - prevETHBal + weth_repay,
-(curBRes - prevBRes)), 'inconsistent ETH from withdraw'
#####################################################################################
print(
'========================================================================='
)
print('Case 3. add & remove all LP')
lp_amt = 10 * 10**18
prevLPBal = lp.balanceOf(alice)
tx = homora.execute(
0,
sushiswap_spell,
sushiswap_spell.addLiquidityWERC20.encode_input(
usdt, # token 0
weth, # token 1
[
0, # supply USDT
0, # supply WETH
lp_amt, # supply LP
0, # borrow USDT
0, # borrow WETH
0, # borrow LP tokens
0, # min USDT
0
], # min WETH
),
{'from': alice})
tx = homora.execute(
2,
sushiswap_spell,
sushiswap_spell.removeLiquidityWERC20.encode_input(
usdt, # token 0
weth, # token 1
[
2**256 - 1, # take out LP tokens
lp_amt, # withdraw LP tokens to wallet
0, # repay USDT
0, # repay WETH
0, # repay LP
0, # min USDT
0
], # min WETH
),
{'from': alice})
curLPBal = lp.balanceOf(alice)
assert prevLPBal == curLPBal, 'incorrect LP Balance'
return tx
def test_operation(pm, chain):
dai_liquidity = accounts.at("0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7",
force=True) # using curve pool (lots of dai)
crv3_liquidity = accounts.at("0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490",
force=True) # yearn treasury (lots of crv3)
altCRV_liquidity = accounts.at(
"0xe6e6e25efda5f69687aa9914f8d750c523a1d261",
force=True) # giant amount
rewards = accounts[2]
gov = accounts[3]
guardian = accounts[4]
bob = accounts[5]
alice = accounts[6]
strategist = accounts[7]
tinytim = accounts[8]
dai = Contract("0x6b175474e89094c44da98b954eedeac495271d0f",
owner=gov) # DAI token
dai.approve(dai_liquidity, Wei("1000000 ether"), {"from": dai_liquidity})
dai.transferFrom(dai_liquidity, gov, Wei("300000 ether"),
{"from": dai_liquidity})
crv3 = Contract("0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490",
owner=gov) # crv3 token address (threePool)
altCRV = Contract("0x1AEf73d49Dedc4b1778d0706583995958Dc862e6",
owner=gov) # altCRV token (mUSDCrv)
crv3.approve(crv3_liquidity, Wei("1000000 ether"),
{"from": crv3_liquidity})
crv3.transferFrom(crv3_liquidity, gov, Wei("100 ether"),
{"from": crv3_liquidity})
altCRV.approve(altCRV_liquidity, Wei("1000000 ether"),
{"from": altCRV_liquidity})
altCRV.transferFrom(altCRV_liquidity, gov, Wei("1000 ether"),
{"from": altCRV_liquidity})
# config dai vault.
Vault = pm(config["dependencies"][0]).Vault
yDAI = Vault.deploy({"from": gov})
yDAI.initialize(dai, gov, rewards, "", "", {"from": gov})
yDAI.setDepositLimit(Wei("1000000 ether"))
threePool = Contract("0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7",
owner=gov) # crv3 pool address (threePool)
altCrvPool = Contract("0x8474DdbE98F5aA3179B3B3F5942D724aFcdec9f6",
owner=gov) # atlCrvPool pool address (musdCrv)
targetVault = Contract("0x0FCDAeDFb8A7DfDa2e9838564c5A1665d856AFDF",
owner=gov) # target vault (musdCrv)
targetVaultStrat = Contract("0xBA0c07BBE9C22a1ee33FE988Ea3763f21D0909a0",
owner=gov) # targetVault strat (threePool)
targetVaultStratOwner = Contract(
"0xFEB4acf3df3cDEA7399794D0869ef76A6EfAff52",
owner=gov) # targetVault stratOwner (threePool)
strategy = guardian.deploy(StrategyDAImUSDv2, yDAI, dai, threePool,
targetVault, crv3, altCRV, altCrvPool)
strategy.setStrategist(strategist)
yDAI.addStrategy(strategy, 10_000, 0, 0, {"from": gov})
dai.approve(gov, Wei("1000000 ether"), {"from": gov})
dai.transferFrom(gov, bob, Wei("1000 ether"), {"from": gov})
dai.transferFrom(gov, alice, Wei("4000 ether"), {"from": gov})
dai.transferFrom(gov, tinytim, Wei("10 ether"), {"from": gov})
dai.approve(yDAI, Wei("1000000 ether"), {"from": bob})
dai.approve(yDAI, Wei("1000000 ether"), {"from": alice})
dai.approve(yDAI, Wei("1000000 ether"), {"from": tinytim})
crv3.approve(gov, Wei("1000000 ether"), {"from": gov})
yDAI.approve(gov, Wei("1000000 ether"), {"from": gov})
targetVault.approve(gov, Wei("1000000 ether"), {"from": gov})
altCRV.approve(gov, Wei("1000000 ether"), {"from": gov})
dai.approve(threePool, Wei("1000000 ether"), {"from": gov})
crv3.approve(altCrvPool, Wei("1000000 ether"), {"from": gov})
targetVaultStrat.setStrategistReward(0, {"from": targetVaultStratOwner})
targetVaultStrat.setTreasuryFee(0, {"from": targetVaultStratOwner})
targetVaultStrat.setWithdrawalFee(0, {"from": targetVaultStratOwner})
# users deposit to vault
yDAI.deposit(Wei("1000 ether"), {"from": bob})
yDAI.deposit(Wei("4000 ether"), {"from": alice})
yDAI.deposit(Wei("10 ether"), {"from": tinytim})
a = yDAI.pricePerShare()
chain.mine(1)
strategy.harvest({"from": gov})
assert targetVault.balanceOf(strategy) > 0
chain.sleep(3600 * 24 * 7 * 10)
chain.mine(1)
a = yDAI.pricePerShare()
# small profit
t = targetVault.getPricePerFullShare()
c = strategy.estimatedTotalAssets()
targetVaultStrat.harvest({"from": targetVaultStratOwner})
s = targetVault.getPricePerFullShare()
d = strategy.estimatedTotalAssets()
assert t < s
assert d > c
assert yDAI.strategies(strategy).dict()['totalDebt'] < d
strategy.harvest({"from": gov})
chain.mine(1)
b = yDAI.pricePerShare()
assert b > a
#withdrawals have a slippage protection parameter, defaults to 1 = 0.01%.
#overwriting here to be 1.5%, to account for slippage from multiple hops.
#slippage also counts "beneficial" slippage, such as DAI being overweight in these pools
#d = yUSDT3.balanceOf(alice)
c = yDAI.balanceOf(alice)
yDAI.withdraw(c, alice, 150, {"from": alice})
assert dai.balanceOf(alice) > 0
assert dai.balanceOf(strategy) == 0
assert dai.balanceOf(bob) == 0
assert targetVault.balanceOf(strategy) > 0
d = yDAI.balanceOf(bob)
yDAI.withdraw(d, bob, 150, {"from": bob})
assert dai.balanceOf(bob) > 0
assert dai.balanceOf(strategy) == 0
e = yDAI.balanceOf(tinytim)
yDAI.withdraw(e, tinytim, 150, {"from": tinytim})
assert dai.balanceOf(tinytim) > 0
assert dai.balanceOf(strategy) == 0
# We should have made profit
assert yDAI.pricePerShare() > 1
#print("\ntinytim", dai.balanceOf(tinytim)/1e18)
#print("\nbob", dai.balanceOf(bob)/1e18)
#print("\nalice", dai.balanceOf(alice)/1e18)
#print("\nvault", targetVault.balanceOf(strategy)/1e18)
pass
def main():
deployer = accounts.at('0xB593d82d53e2c187dc49673709a6E9f806cdC835',
force=True)
# deployer = accounts.load('gh')
werc20 = WERC20.at('0xe28D9dF7718b0b5Ba69E01073fE82254a9eD2F98')
wmas = WMasterChef.at('0x373ae78a14577682591E088F2E78EF1417612c68')
wliq = WLiquidityGauge.at('0xfdB4f97953150e47C8606758C13e70b5a789a7ec')
wsindex = WStakingRewards.at('0x713df2DDDA9C7d7bDa98A9f8fCd82c06c50fbd90')
wsperp = WStakingRewards.at('0xC4635854480ffF80F742645da0310e9e59795c63')
uni_kp3r_oracle = ERC20KP3ROracle.at(
'0x8E2A3777AB22e1c5f6d1fF2BcC6C4aA6aB1DeA14')
sushi_kp3r_oracle = ERC20KP3ROracle.at(
'0xC331687FD71bb1D7f2e237091F8888dDcaD50C9a')
core_oracle = CoreOracle.at('0x1E5BDdd0cDF8839d6b27b34927869eF0AD7bf692')
uni_oracle = UniswapV2Oracle.at(
'0x910aD02D355c2966e8dD8E32C890cD50DB29C3B9')
bal_oracle = BalancerPairOracle.at(
'0x8F93B0AA2643bf74ab38d6a5910fA82D2da02134')
crv_oracle = CurveOracle.at('0x04DE0E42B3b0483248deafE86C4F5428613b76Ff')
proxy_oracle = ProxyOracle.at('0x43c425fB2b00a991A51b18c217D749E393bF1AB2')
# pair token with oracle
from .tokens import Tokens
# re-set oracles
oracle_params = [
# base tokens
[Tokens.weth, [12616, 7927, 10250]],
[Tokens.dai, [10525, 9502, 10250]],
[Tokens.usdc, [10525, 9502, 10250]],
[Tokens.usdt, [10525, 9502, 10250]],
[Tokens.dpi, [14886, 6718, 10250]],
[Tokens.yfi, [13681, 7309, 10250]],
[Tokens.perp, [14886, 6718, 10250]],
[Tokens.snx, [13681, 7309, 10250]],
[Tokens.susd, [11660, 8576, 10250]],
[Tokens.uni, [14886, 6718, 10250]],
[Tokens.sushi, [14886, 6718, 10250]],
# lp tokens
[Tokens.uni_eth_dpi, [14886, 6718, 10250]],
[Tokens.uni_eth_yfi, [13681, 7309, 10250]],
[Tokens.uni_eth_snx, [13681, 7309, 10250]],
[Tokens.uni_eth_susd, [12616, 7927, 10250]],
[Tokens.uni_eth_uni, [14886, 6718, 10250]],
[Tokens.sushi_eth_dpi, [14886, 6718, 10250]],
[Tokens.sushi_eth_yfi, [13681, 7309, 10250]],
[Tokens.sushi_eth_snx, [13681, 7309, 10250]],
[Tokens.sushi_eth_susd, [12616, 7927, 10250]],
[Tokens.sushi_eth_sushi, [14886, 6718, 10250]],
[Tokens.bal_perp_usdc, [14886, 6718, 10250]],
[Tokens.crv_3pool, [10525, 9502, 10250]],
[Tokens.crv_susd, [11660, 8576, 10250]],
]
token_list_2, param_list = zip(*oracle_params)
proxy_oracle.setOracles(token_list_2, param_list, {'from': deployer})
print('DONE')
def atomic_enter():
"""Use a flash loan to deposit into leveraged cyy3crv position."""
# TODO: we need an account with private keys
account = accounts.at(os.environ["LEVERAGE_ACCOUNT"])
print(f"Hello, {account}")
min_3crv_to_claim = os.environ.get("MIN_3CRV_TO_CLAIM", 50)
# deploy our contracts if necessary
argobytes_factory = get_or_create(account, ArgobytesFactory)
argobytes_flash_borrower = get_or_create(account, ArgobytesFlashBorrower)
enter_cyy3crv_action = get_or_create(account, EnterCYY3CRVAction)
# get the clone for the account
argobytes_clone = get_or_clone(account, argobytes_factory,
argobytes_flash_borrower)
print(f"clone: {argobytes_clone}")
assert account == argobytes_clone.owner(), "Wrong owner detected!"
print("Preparing contracts...")
# TODO: use multicall to get all the addresses?
dai = lazy_contract(enter_cyy3crv_action.DAI())
usdc = lazy_contract(enter_cyy3crv_action.USDC())
usdt = lazy_contract(enter_cyy3crv_action.USDT())
threecrv = lazy_contract(enter_cyy3crv_action.THREE_CRV())
threecrv_pool = lazy_contract(enter_cyy3crv_action.THREE_CRV_POOL())
y3crv = lazy_contract(enter_cyy3crv_action.Y_THREE_CRV())
cyy3crv = lazy_contract(enter_cyy3crv_action.CY_Y_THREE_CRV())
fee_distribution = lazy_contract(
enter_cyy3crv_action.THREE_CRV_FEE_DISTRIBUTION())
lender = DyDxFlashLender
# use multiple workers to fetch the contracts
# there will still be some to fetch, but this speeds things up some
# this can take some time since solc/vyper may have to download
# TODO: i think doing this in parallel might be confusiing things
# poke_contracts([dai, usdc, usdt, threecrv, threecrv_pool, y3crv, cyy3crv, lender])
tokens = [dai, usdc, usdt, threecrv, y3crv, cyy3crv]
balances = get_balances(account, tokens)
print(f"{account} balances")
print_token_balances(balances)
claimable_3crv = get_claimable_3crv(account, fee_distribution,
min_3crv_to_claim)
# TODO: calculate/prompt for these
min_3crv_mint_amount = 1
tip_3crv = 0
tip_address = _resolve_address(
"tip.satoshiandkin.eth"
) # TODO: put this on a subdomain and uses an immutable
min_cream_liquidity = 1000
enter_data = EnterData(
dai=balances[dai],
dai_flash_fee=None,
usdc=balances[usdc],
usdt=balances[usdt],
min_3crv_mint_amount=min_3crv_mint_amount,
threecrv=balances[threecrv],
tip_3crv=tip_3crv,
y3crv=balances[y3crv],
min_cream_liquidity=min_cream_liquidity,
sender=account,
tip_address=tip_address,
claim_3crv=claimable_3crv > min_3crv_to_claim,
)
# TODO: do this properly. use virtualprice and yearn's price calculation
print("warning! summed_balances is not actually priced in USD")
summed_balances = (enter_data.dai + enter_data.usdc + enter_data.usdt +
enter_data.threecrv + enter_data.y3crv + claimable_3crv)
assert summed_balances > 100, "no coins"
# TODO: figure out the actual max leverage, then prompt the user for it (though i dont see much reason not to go the full amount here)
flash_loan_amount = int(summed_balances * 7.4)
print(f"flash_loan_amount: {flash_loan_amount}")
assert flash_loan_amount > 0, "no flash loan calculated"
enter_data = enter_data._replace(
dai_flash_fee=lender.flashFee(dai, flash_loan_amount))
pprint(enter_data)
extra_balances = {}
if enter_data.claim_3crv:
extra_balances[threecrv.address] = claimable_3crv
approve(account, balances, extra_balances, argobytes_clone)
# flashloan through the clone
enter_tx = argobytes_clone.flashBorrow(
lender,
dai,
flash_loan_amount,
Action(
enter_cyy3crv_action,
CallType.DELEGATE,
False,
"enter",
enter_data,
).tuple,
)
print(f"enter success! {enter_tx.return_value}")
enter_tx.info()
num_events = len(enter_tx.events)
print(f"num events: {num_events}")
enter_return = to_int(enter_tx.return_value)
print(f"return value: {enter_return}")
assert enter_return > 0, "no cyy3ccrv returned!"
print(f"clone ({argobytes_clone.address}) balances")
balances = get_balances(argobytes_clone, tokens)
print_token_balances(balances)
# TODO: why is this not working? we return cyy3crv.balanceOf!
# assert balances[cyy3crv] == enter_tx.return_value
# TODO: make sure the clone has cyy3crv?
print(f"account ({account}) balances")
print_token_balances(get_balances(account, tokens))
def testTransactions(self):
rewardsEscrow = self.badger.rewardsEscrow
multi = GnosisSafe(self.badger.devMultisig)
opsMulti = GnosisSafe(self.badger.opsMultisig)
# Setup
accounts[7].transfer(multi.get_first_owner(), Wei("2 ether"))
print(
"Supplied ETH",
accounts.at(multi.get_first_owner(), force=True).balance(),
)
badger = self.badger
tree = self.badger.badgerTree
before = badger.token.balanceOf(tree)
top_up = Wei("100000 ether")
top_up_digg = Wei("40 gwei")
harvest_badger = Wei("30000 ether")
harvest_digg = Wei("40 gwei")
# Top up Tree
# TODO: Make the amount based on what we'll require for the next week
id = multi.addTx(
MultisigTxMetadata(description="Top up badger tree with Badger"),
{
"to":
rewardsEscrow.address,
"data":
rewardsEscrow.transfer.encode_input(badger.token, tree,
top_up),
},
)
tx = multi.executeTx(id)
after = badger.token.balanceOf(tree)
assert after == before + top_up
before = badger.digg.token.balanceOf(tree)
tx = multi.execute(
MultisigTxMetadata(description="Top up badger tree with DIGG"),
{
"to":
rewardsEscrow.address,
"data":
rewardsEscrow.transfer.encode_input(badger.digg.token, tree,
top_up_digg),
},
)
print(tx.call_trace(), before, after)
after = badger.digg.token.balanceOf(tree)
assert after == before + top_up_digg
# multi.execute(
# MultisigTxMetadata(description="Top up rewards manager with Badger"),
# {
# "to": rewardsEscrow.address,
# "data": rewardsEscrow.transfer.encode_input(
# badger.token, badger.badgerRewardsManager, harvest_badger
# ),
# },
# )
multi.execute(
MultisigTxMetadata(description="Top up rewards manager with DIGG"),
{
"to":
rewardsEscrow.address,
"data":
rewardsEscrow.transfer.encode_input(
badger.digg.token, badger.badgerRewardsManager,
harvest_digg),
},
)
# grant_token_locking_permission(self.badger, self.badger.unlockScheduler)
geyserDists = []
for key, distribution in self.distributions.items():
if distribution.hasGeyserDistribution() == True:
print("has geyser distribution", key)
dist = GeyserDistributor()
dists = dist.generate(
badger,
multi,
key,
distributions=distribution.getGeyserDistributions(),
start=self.start,
duration=self.duration,
end=self.end,
)
geyserDists.extend(dists)
console.log("after " + key, geyserDists)
# Add unlock schedeules inbulk
console.log(geyserDists)
tx = opsMulti.execute(
MultisigTxMetadata(description="Signal unlock schedules"),
{
"to":
badger.unlockScheduler.address,
"data":
badger.unlockScheduler.signalTokenLocks.encode_input(
geyserDists),
},
)
print(tx.call_trace())
tokens = [self.badger.token.address, self.badger.digg.token.address]
for key in geyser_keys:
print(key)
geyser = self.badger.getGeyser(key)
for token in tokens:
print(token)
console.log(
"{} schedules for {}".format(token, key),
geyser.getUnlockSchedulesFor(token),
)
def test_operation(pm, chain):
wbtc_liquidity = accounts.at("0x93054188d876f558f4a66b2ef1d97d16edf0895b",
force=True) # using curve pool (lots of wbtc)
sbtc_liquidity = accounts.at("0x13c1542a468319688b89e323fe9a3be3a90ebb27",
force=True) # synthetix (lots of sbtc)
rewards = accounts[2]
gov = accounts[3]
guardian = accounts[4]
bob = accounts[5]
alice = accounts[6]
strategist = accounts[7]
tinytim = accounts[8]
wbtc = Contract("0x2260fac5e5542a773aa44fbcfedf7c193bc2c599",
owner=gov) # wbtc token
wbtc.approve(wbtc_liquidity, Wei("1000000 ether"),
{"from": wbtc_liquidity})
wbtc.transferFrom(wbtc_liquidity, gov, 3000000000,
{"from": wbtc_liquidity})
sbtc = Contract("0x075b1bb99792c9E1041bA13afEf80C91a1e70fB3",
owner=gov) # sbtcCRV token address (threePool)
sbtc.approve(sbtc_liquidity, Wei("1000000 ether"),
{"from": sbtc_liquidity})
sbtc.transferFrom(sbtc_liquidity, gov, Wei("100 ether"),
{"from": sbtc_liquidity})
# config vault.
Vault = pm(config["dependencies"][0]).Vault
yUSDT3 = Vault.deploy({"from": gov})
yUSDT3.initialize(wbtc, gov, rewards, "", "")
yUSDT3.setDepositLimit(Wei("1000000 ether"))
sbtcPool = Contract("0x7fC77b5c7614E1533320Ea6DDc2Eb61fa00A9714",
owner=gov) # sbtcCRV pool address (threePool)
ysBTC = Contract("0x7Ff566E1d69DEfF32a7b244aE7276b9f90e9D0f6",
owner=gov) # sbtc vault (threePool)
#crv3Strat = Contract(
# "0xC59601F0CC49baa266891b7fc63d2D5FE097A79D", owner=gov
#) # crv3 strat (threePool)
#crv3StratOwner = Contract(
# "0xd0aC37E3524F295D141d3839d5ed5F26A40b589D", owner=gov
#) # crv3 stratOwner (threePool)
# uni = Contract.from_explorer(
# "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D", owner=gov
# ) # UNI router v2
strategy = guardian.deploy(StrategyWBTCsBTCv2, yUSDT3, wbtc, sbtcPool,
ysBTC, sbtc)
strategy.setStrategist(strategist)
yUSDT3.addStrategy(strategy, 10_000, 0, 0, {"from": gov})
wbtc.approve(gov, Wei("1000000 ether"), {"from": gov})
wbtc.transferFrom(gov, bob, 100000000, {"from": gov})
wbtc.transferFrom(gov, alice, 1000000000, {"from": gov})
wbtc.transferFrom(gov, tinytim, 1000000, {"from": gov})
wbtc.approve(yUSDT3, Wei("1000000 ether"), {"from": bob})
wbtc.approve(yUSDT3, Wei("1000000 ether"), {"from": alice})
wbtc.approve(yUSDT3, Wei("1000000 ether"), {"from": tinytim})
sbtc.approve(gov, Wei("1000000 ether"), {"from": gov})
yUSDT3.approve(gov, Wei("1000000 ether"), {"from": gov})
sbtc.approve(ysBTC, Wei("1000000 ether"), {"from": gov})
wbtc.approve(sbtcPool, Wei("1000000 ether"), {"from": gov})
wbtc.approve(sbtcPool, Wei("1000000 ether"), {"from": gov})
# depositing DAI to generate crv3 tokens.
#crv3.approve(crv3_liquidity, Wei("1000000 ether"), {"from": crv3_liquidity})
#threePool.add_liquidity([0, 200000000000, 0], 0, {"from": gov})
#giving Gov some shares to mimic profit
#yCRV3.depositAll({"from": gov})
# users deposit to vault
yUSDT3.deposit(100000000, {"from": bob})
yUSDT3.deposit(1000000000, {"from": alice})
yUSDT3.deposit(1000000, {"from": tinytim})
chain.mine(1)
strategy.harvest({"from": gov})
chain.mine(1)
newstrategy = guardian.deploy(StrategyWBTCsBTCv2, yUSDT3, wbtc, sbtcPool,
ysBTC, sbtc)
newstrategy.setStrategist(strategist)
yUSDT3.migrateStrategy(strategy, newstrategy, {"from": gov})
assert ysBTC.balanceOf(strategy) == 0
assert ysBTC.balanceOf(newstrategy) > 0
pass
def main():
admin = accounts[0]
alice = accounts[1]
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
lpusdt = interface.IERC20Ex('0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
router = interface.IUniswapV2Router02('0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D')
erc20_oracle = ERC20KP3ROracle.deploy(KP3R_ADDRESS, {'from': admin})
lp_oracle = UniswapV2LPKP3ROracle.deploy(KP3R_ADDRESS, {'from': admin})
oracle = ProxyOracle.deploy({'from': admin})
oracle.setOracles(
[
'0xdAC17F958D2ee523a2206206994597C13D831ec7', # USDT
'0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852', # USDT-ETH
],
[
[erc20_oracle, 10000, 10000, 10000],
[lp_oracle, 10000, 10000, 10000],
],
{'from': admin},
)
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
homora.addBank(usdt, crusdt, {'from': admin})
# lpusdt.approve(homora, 2**256-1, {'from': alice})
# Steal some LP from the staking pool
lpusdt.transfer(alice, 1*10**17, {'from': accounts.at('0x6C3e4cb2E96B01F4b866965A91ed4437839A121a', force=True)})
household_spell = HouseHoldSpell.deploy(homora, WETH_ADDRESS, {'from': admin})
tx = homora.execute(
0, # position id
household_spell,
household_spell.putCollateral.encode_input(
'0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852', # USDT
'0.00001 ether', # valued at approximately $600
),
{'from': alice},
)
print('put collateral gas', tx.gas_used)
position_id = tx.return_value
print(homora.getCollateralETHValue(position_id), homora.getBorrowETHValue(position_id))
tx = homora.execute(
position_id, # position id
household_spell,
household_spell.borrow.encode_input(
'0xdAC17F958D2ee523a2206206994597C13D831ec7', # USDT
'500000000', # $500
),
{'from': alice},
)
print('bal', usdt.balanceOf(alice))
print('put collateral gas', tx.gas_used)
_, _, _, totalDebt, totalShare = homora.getBankInfo(usdt)
print('bank usdt totalDebt', totalDebt)
print('bank usdt totalShare', totalShare)
usdt.approve(homora, 2**256-1, {'from': alice})
usdt.approve(crusdt, 2**256-1, {'from': accounts.at(homora, force=True)})
tx = homora.execute(
position_id, # position id
household_spell,
household_spell.repay.encode_input(
'0xdAC17F958D2ee523a2206206994597C13D831ec7', # USDT
'300000000', # $300
),
{'from': alice},
)
print('bal', usdt.balanceOf(alice))
print('repay gas', tx.gas_used)
def check_vault(vault_proxy_addr, vault_impl_addr, beth_token_addr,
bridge_connector_addr, rewards_liquidator_addr,
insurance_connector_addr, terra_rewards_distributor_addr,
vault_admin, vault_liquidations_admin,
rew_liq_max_steth_eth_price_difference_percent,
rew_liq_max_eth_usdc_price_difference_percent,
rew_liq_max_usdc_ust_price_difference_percent,
rew_liq_max_steth_ust_price_difference_percent):
# Needed to properly decode LogMessagePublished events of Wormhole bridge
wormhole = interface.Wormhole(c.wormhole_addr)
vault_proxy = AnchorVaultProxy.at(vault_proxy_addr)
vault_impl = AnchorVault.at(vault_impl_addr)
vault = Contract.from_abi('AnchorVault', vault_proxy.address,
AnchorVault.abi)
beth_token = bEth.at(beth_token_addr)
ust_token = interface.WormholeWrappedToken(c.ust_token_addr)
steth_token = interface.Lido(c.steth_token_addr)
bridge_connector = BridgeConnectorWormhole.at(bridge_connector_addr)
rewards_liquidator = RewardsLiquidator.at(rewards_liquidator_addr)
insurance_connector = InsuranceConnector.at(insurance_connector_addr)
terra_rewards_distributor_wh_encoded_addr = wh.encode_addr(
terra_rewards_distributor_addr)
log.ok('vault admin', vault_admin)
print()
log.ok('stETH', steth_token.address)
log.ok('UST', ust_token.address)
print()
log.ok('bETH', beth_token.address)
assert_equals(' admin', beth_token.admin(), vault_admin)
assert_equals(' minter', beth_token.minter(), vault_proxy)
# assert_equals(' totalSupply', beth_token.totalSupply(), 0)
assert_equals(' name', beth_token.name(), 'bETH')
assert_equals(' symbol', beth_token.symbol(), 'bETH')
assert_equals(' decimals', beth_token.decimals(), 18)
print()
log.ok('AnchorVault impl', vault_impl.address)
assert_equals(' admin', vault_impl.admin(), ZERO_ADDRESS)
assert_equals(' bridge_connector', vault_impl.bridge_connector(),
ZERO_ADDRESS)
assert_equals(' rewards_liquidator', vault_impl.rewards_liquidator(),
ZERO_ADDRESS)
assert_equals(' insurance_connector', vault_impl.insurance_connector(),
ZERO_ADDRESS)
print()
no_liquidation_interval = 0
restricted_liquidation_interval = 26 * 60 * 60
log.ok('AnchorVaultProxy', vault_proxy.address)
assert_equals(' proxy_getAdmin', vault_proxy.proxy_getAdmin(),
vault_admin)
assert_equals(' proxy_getIsOssified', vault_proxy.proxy_getIsOssified(),
False)
assert_equals(' implementation', vault_proxy.implementation(), vault_impl)
assert_equals(' admin', vault.admin(), vault_admin)
assert_equals(' beth_token', vault.beth_token(), beth_token.address)
assert_equals(' steth_token', vault.steth_token(), steth_token.address)
assert_equals(' bridge_connector', vault.bridge_connector(),
bridge_connector.address)
assert_equals(' rewards_liquidator', vault.rewards_liquidator(),
rewards_liquidator.address)
assert_equals(' insurance_connector', vault.insurance_connector(),
insurance_connector.address)
assert_equals(' vault_liquidations_admin', vault.liquidations_admin(),
vault_liquidations_admin)
assert_equals(' no_liquidation_interval', vault.no_liquidation_interval(),
no_liquidation_interval)
assert_equals(' restricted_liquidation_interval',
vault.restricted_liquidation_interval(),
restricted_liquidation_interval)
assert_equals(' anchor_rewards_distributor',
vault.anchor_rewards_distributor(),
terra_rewards_distributor_wh_encoded_addr)
assert_equals(' get_rate', vault.get_rate(), 10**18)
print()
log.ok('BridgeConnectorWormhole', bridge_connector.address)
assert_equals(' wormhole_token_bridge',
bridge_connector.wormhole_token_bridge(),
c.wormhole_token_bridge_addr)
print()
log.ok('RewardsLiquidator', rewards_liquidator.address)
assert_equals(' admin', rewards_liquidator.admin(), vault_admin)
assert_equals(' vault', rewards_liquidator.vault(), vault_proxy.address)
assert_equals(
' max_steth_eth_price_difference_percent',
rewards_liquidator.max_steth_eth_price_difference_percent(),
int(rew_liq_max_steth_eth_price_difference_percent * 10**18 / 100))
assert_equals(
' max_eth_usdc_price_difference_percent',
rewards_liquidator.max_eth_usdc_price_difference_percent(),
int(rew_liq_max_eth_usdc_price_difference_percent * 10**18 / 100))
assert_equals(
' max_usdc_ust_price_difference_percent',
rewards_liquidator.max_usdc_ust_price_difference_percent(),
int(rew_liq_max_usdc_ust_price_difference_percent * 10**18 / 100))
assert_equals(
' max_steth_ust_price_difference_percent',
rewards_liquidator.max_steth_ust_price_difference_percent(),
int(rew_liq_max_steth_ust_price_difference_percent * 10**18 / 100))
print()
log.ok('InsuranceConnector', insurance_connector.address)
print()
log.ok('liquidations admin', vault_liquidations_admin)
log.ok(
'no liquidation interval',
f'{no_liquidation_interval} sec ({no_liquidation_interval / 3600} hrs)'
)
log.ok(
'restricted liquidation interval',
f'{restricted_liquidation_interval} sec ({restricted_liquidation_interval / 3600} hrs)'
)
log.ok('terra rewards distributor',
terra_rewards_distributor_wh_encoded_addr)
print()
if c.get_is_live():
print('Running on a live network, cannot run further checks.')
print('Run on a mainnet fork to do this.')
return
log.h('Performing AnchorVault fork checks')
with chain_snapshot():
if not vault.can_deposit_or_withdraw():
log.h('Selling rewards...')
tx = vault.collect_rewards(
{'from': accounts.at(vault_liquidations_admin, force=True)})
# tx.info()
assert_equals('AnchorVault.can_deposit_or_withdraw',
vault.can_deposit_or_withdraw(), True)
beth_supply_before = beth_token.totalSupply()
bridge_balance_before = beth_token.balanceOf(
c.wormhole_token_bridge_addr)
log.ok('bETH total supply', beth_supply_before)
log.ok('bridge bETH balance', bridge_balance_before)
log.h('Obtaining stETH...')
holder_1 = accounts[0]
holder_2 = accounts[1]
steth_token.submit(ZERO_ADDRESS, {
'from': holder_1,
'value': 3 * 10**18
})
assert steth_token.balanceOf(holder_1) > 0
log.ok('holder_1 balance', steth_token.balanceOf(holder_1))
assert_equals('holder_2 balance', steth_token.balanceOf(holder_2), 0)
log.h('Submitting stETH...')
terra_recipient_1 = '0x0000000000000000000000008badf00d8badf00d8badf00d8badf00d8badf00d'
steth_token.approve(vault, 2 * 10**18, {'from': holder_1})
tx = vault.submit(2 * 10**18, terra_recipient_1, b'', vault.version(),
{'from': holder_1})
# tx.info()
assert 'Deposited' in tx.events
assert tx.events['Deposited'][0].address == vault.address
log.ok('Deposited event emitted')
deposited_amount = tx.events['Deposited']['amount']
assert deposited_amount >= 1.999 * 10**18 and deposited_amount <= 2 * 10**18
log.ok('Deposited.amount', deposited_amount)
assert_equals('holder_1 balance', beth_token.balanceOf(holder_1), 0)
beth_supply = beth_token.totalSupply()
assert beth_supply == beth_supply_before + deposited_amount
assert_equals('bETH total supply', beth_supply,
beth_supply_before + deposited_amount)
bridge_balance = beth_token.balanceOf(c.wormhole_token_bridge_addr)
assert bridge_balance == bridge_balance_before + deposited_amount
assert_equals('bridge bETH balance', bridge_balance,
bridge_balance_before + deposited_amount)
assert 'LogMessagePublished' in tx.events
assert tx.events['LogMessagePublished'][0].address == c.wormhole_addr
log.ok('LogMessagePublished event emitted')
expected_payload = wh.assemble_transfer_payload(
token_address=beth_token.address,
normalized_amount=wh.normalize_amount(deposited_amount, 18),
to_address=terra_recipient_1,
token_chain_id=wh.CHAIN_ID_ETHERUM,
to_chain_id=wh.CHAIN_ID_TERRA,
fee=0)
assert tx.events['LogMessagePublished'][0][
'payload'] == expected_payload
log.ok('LogMessagePublished.payload', expected_payload)
log.h('Submitting ETH...')
bridge_balance_before = bridge_balance
beth_supply_before = beth_supply
terra_recipient_2 = '0x000000000000000000000000deadbeefdeadbeefdeadbeefdeadbeefdeadbeef'
tx = vault.submit(1 * 10**18, terra_recipient_2, b'', vault.version(),
{
'from': holder_2,
'value': 1 * 10**18
})
# tx.info()
assert 'Deposited' in tx.events
assert tx.events['Deposited'][0].address == vault.address
log.ok('Deposited event emitted')
deposited_amount = tx.events['Deposited']['amount']
assert deposited_amount >= 0.999 * 10**18 and deposited_amount <= 1 * 10**18
log.ok('Deposited.amount', deposited_amount)
assert_equals('holder_2 balance', beth_token.balanceOf(holder_2), 0)
beth_supply = beth_token.totalSupply()
assert beth_supply == beth_supply_before + deposited_amount
assert_equals('bETH total supply', beth_supply,
beth_supply_before + deposited_amount)
bridge_balance = beth_token.balanceOf(c.wormhole_token_bridge_addr)
assert bridge_balance == bridge_balance_before + deposited_amount
assert_equals('bridge bETH balance', bridge_balance,
bridge_balance_before + deposited_amount)
assert 'LogMessagePublished' in tx.events
assert tx.events['LogMessagePublished'][0].address == c.wormhole_addr
log.ok('LogMessagePublished event emitted')
expected_payload = wh.assemble_transfer_payload(
token_address=beth_token.address,
normalized_amount=wh.normalize_amount(deposited_amount, 18),
to_address=terra_recipient_2,
token_chain_id=wh.CHAIN_ID_ETHERUM,
to_chain_id=wh.CHAIN_ID_TERRA,
fee=0)
assert tx.events['LogMessagePublished'][0][
'payload'] == expected_payload
log.ok('LogMessagePublished.payload', expected_payload)
log.h('Rebasing stETH by 0.02%...')
lido_oracle_report(steth_rebase_percent=0.02)
assert_equals('AnchorVault.can_deposit_or_withdraw',
vault.can_deposit_or_withdraw(), False)
log.h('Selling rewards...')
liquidations_admin = accounts.at(vault.liquidations_admin(),
force=True)
tx = vault.collect_rewards({'from': liquidations_admin})
# tx.info()
assert 'RewardsCollected' in tx.events
assert tx.events['RewardsCollected'][0].address == vault.address
log.ok('RewardsCollected event emitted')
ust_amount = tx.events['RewardsCollected'][0]['ust_amount']
assert ust_amount > 0
log.ok('RewardsCollected.ust_amount', ust_amount)
assert 'LogMessagePublished' in tx.events
assert tx.events['LogMessagePublished'][0].address == c.wormhole_addr
log.ok('LogMessagePublished event emitted')
expected_payload = wh.assemble_transfer_payload(
# See https://github.com/certusone/wormhole/blob/aff369f/ethereum/contracts/bridge/Bridge.sol#L97-L103
# For wrapped tokens, the "token address" field is set to the address of the token on its native chain
token_address=str(ust_token.nativeContract()),
normalized_amount=wh.normalize_amount(ust_amount,
ust_token.decimals()),
to_address=terra_rewards_distributor_addr,
token_chain_id=ust_token.chainId(),
to_chain_id=wh.CHAIN_ID_TERRA,
fee=0)
assert tx.events['LogMessagePublished'][0][
'payload'] == expected_payload
log.ok('LogMessagePublished.payload', expected_payload)
def test_loss(pm, chain):
# probably not needed
rhegic_liquidity = accounts.at(
"0x8ac7de95ff8d0ee72e0b54f781ab2e18f27108fb", force=True)
# weth needed to test strategy
weth_liquidity = accounts.at("0x2f0b23f53734252bda2277357e97e1517d6b042a",
force=True) # Maker vault (~2.6mil)
rewards = accounts[2]
gov = accounts[3]
guardian = accounts[4]
bob = accounts[5]
alice = accounts[6]
strategist = accounts[7]
rHegic = Contract.from_explorer(
"0x47C0aD2aE6c0Ed4bcf7bc5b380D7205E89436e84", owner=gov)
rHegic.approve(rhegic_liquidity, Wei("1000000 ether"),
{"from": rhegic_liquidity})
rHegic.transferFrom(rhegic_liquidity, gov, Wei("888000 ether"),
{"from": rhegic_liquidity})
# vault deals with weth, so addresses need it.
weth = Contract.from_explorer("0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
owner=gov) # weth token
weth.approve(weth_liquidity, Wei("100 ether"), {"from": weth_liquidity})
weth.transferFrom(weth_liquidity, gov, Wei("88 ether"),
{"from": weth_liquidity})
# declaring yEthLP as the vault
Vault = pm(config["dependencies"][0]).Vault
yEthLP = gov.deploy(Vault, weth, gov, rewards, "", "")
ethPool = Contract.from_explorer(
"0x878F15ffC8b894A1BA7647c7176E4C01f74e140b",
owner=gov) # ETH LP pool (writeETH)
ethPoolStaking = Contract.from_explorer(
"0x9b18975e64763bDA591618cdF02D2f14a9875981",
owner=gov) # ETH LP pool staking for rHegic
uni = Contract.from_explorer("0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
owner=gov) # UNI router v2
strategy = guardian.deploy(StrategyEthHegicLP, weth, yEthLP, rHegic,
ethPoolStaking, ethPool, uni)
strategy.setStrategist(strategist)
# adding strategy to the vault
yEthLP.addStrategy(strategy, Wei("88 ether"), 0, 50, {"from": gov})
# folks need weth for the contract
weth.approve(gov, Wei("100 ether"), {"from": gov})
weth.transferFrom(gov, bob, Wei("10 ether"), {"from": gov})
weth.transferFrom(gov, alice, Wei("78 ether"), {"from": gov})
weth.approve(yEthLP, Wei("100 ether"), {"from": bob})
weth.approve(yEthLP, Wei("100 ether"), {"from": alice})
yEthLP.deposit(Wei("10 ether"), {"from": bob})
yEthLP.deposit(Wei("78 ether"), {"from": alice})
strategy.harvest()
rHegic.approve(gov, Wei("1000 ether"), {"from": gov})
# TODO: Instead of sending rhegic to the strategy directly,
# we should push the clock forward to grab rhegic from Hegic protocol
rHegic.transferFrom(gov, strategy, Wei("100 ether"), {"from": gov})
strategy.harvest({"from": gov})
assert rHegic.balanceOf(strategy) == 0
assert ethPool.balanceOf(strategy) == 0
assert ethPoolStaking.balanceOf(strategy) > 0
# We should have made profit
assert yEthLP.pricePerShare() / 1e18 > 1
chain.sleep(3600 * 24 * 15) # 15 days
chain.mine(1)
# This should work by doing it by hand since exitPosition is not working
# strategy.setEmergencyExit({"from": gov})
# strategy.harvest({"from": gov})
# Withdraw funds
pool = Contract.from_explorer(strategy.ethPool())
staking = Contract.from_explorer(strategy.ethPoolStaking())
staking.withdraw(staking.balanceOf(strategy), {"from": strategy})
pool.withdraw(pool.shareOf(strategy), pool.balanceOf(strategy),
{"from": strategy})
# revoke, steal weth and let's see losses
yEthLP.revokeStrategy(strategy, {"from": gov})
weth.transfer(gov, weth.balanceOf(strategy), {"from": strategy})
strategy.harvest({"from": gov})
assert yEthLP.strategies(strategy).dict()["totalLoss"] > 0
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
dpi = interface.IERC20Ex('0x1494ca1f11d487c2bbe4543e90080aeba4ba3c2b')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
lp = interface.IERC20Ex('0x4d5ef58aac27d99935e5b6b4a6778ff292059991')
crdpi = MockCErc20.deploy(dpi, {'from': admin})
router = interface.IUniswapV2Router02(
'0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D')
staking = accounts.at('0xB93b505Ed567982E2b6756177ddD23ab5745f309',
force=True)
index = interface.IERC20Ex(
interface.IStakingRewardsEx(staking).rewardsToken())
wstaking = WStakingRewards.deploy(staking, lp, index, {'from': admin})
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([dpi, weth], [2**112 * 100 // 700, 2**112])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wstaking], True, {'from': admin})
core_oracle.setRoute(
[dpi, weth, lp],
[simple_oracle, simple_oracle, uniswap_oracle],
{'from': admin},
)
oracle.setOracles(
[dpi, weth, lp],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
homora.addBank(dpi, crdpi, {'from': admin})
# setup initial funds to alice
mint_tokens(dpi, alice)
mint_tokens(weth, alice)
mint_tokens(dpi, crdpi)
# check alice's funds
print(f'Alice dpi balance {dpi.balanceOf(alice)}')
print(f'Alice weth balance {weth.balanceOf(alice)}')
# Steal some LP from the staking pool
mint_tokens(lp, alice)
mint_tokens(lp, bob)
# set approval
dpi.approve(homora, 2**256 - 1, {'from': alice})
dpi.approve(crdpi, 2**256 - 1, {'from': alice})
weth.approve(homora, 2**256 - 1, {'from': alice})
lp.approve(homora, 2**256 - 1, {'from': alice})
lp.approve(staking, 2**256 - 1, {'from': bob})
uniswap_spell = UniswapV2SpellV1.deploy(homora, werc20, router,
{'from': admin})
# first time call to reduce gas
uniswap_spell.getPair(weth, dpi, {'from': admin})
# whitelist spell in bank
homora.setWhitelistSpells([uniswap_spell], [True], {'from': admin})
# whitelist token in bank
homora.setWhitelistTokens([dpi], [True], {'from': admin})
# whitelist lp in spell
uniswap_spell.setWhitelistLPTokens([lp], [True], {'from': admin})
#####################################################################################
print(
'========================================================================='
)
print('Case 1. add liquidity first time')
prevABal = dpi.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_staking = lp.balanceOf(staking)
if interface.IUniswapV2Pair(lp).token0() == dpi:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
dpi_amt = 10 * 10**18
weth_amt = 10**18
lp_amt = 0
borrow_dpi_amt = 0
borrow_weth_amt = 0
tx = homora.execute(
0,
uniswap_spell,
uniswap_spell.addLiquidityWStakingRewards.encode_input(
dpi, # token 0
weth, # token 1
[
dpi_amt, # supply DPI
weth_amt, # supply WETH
lp_amt, # supply LP
borrow_dpi_amt, # borrow DPI
borrow_weth_amt, # borrow WETH
0, # borrow LP tokens
0, # min DPI
0
], # min WETH
wstaking,
),
{'from': alice})
curABal = dpi.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_staking = lp.balanceOf(staking)
if interface.IUniswapV2Pair(lp).token0() == dpi:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, totalDebt, totalShare = homora.getBankInfo(dpi)
print('bank dpi totalDebt', totalDebt)
print('bank dpi totalShare', totalShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('staking prev LP balance', prevLPBal_staking)
print('staking cur LP balance', curLPBal_staking)
print('prev dpi res', prevARes)
print('cur dpi res', curARes)
print('prev weth res', prevBRes)
print('cur weth res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -dpi_amt), 'incorrect DPI amt'
assert almostEqual(curBBal - prevBBal, -weth_amt), 'incorrect WETH amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert dpi.balanceOf(uniswap_spell) == 0, 'non-zero spell DPI balance'
assert weth.balanceOf(uniswap_spell) == 0, 'non-zero spell WETH balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
assert totalDebt == borrow_dpi_amt
# check balance and pool reserves
assert curABal - prevABal - borrow_dpi_amt == - \
(curARes - prevARes), 'not all DPI tokens go to LP pool'
assert curBBal - prevBBal - borrow_weth_amt == - \
(curBRes - prevBRes), 'not all WETH tokens go to LP pool'
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevIndex = index.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
tx = interface.IStakingRewards(staking).stake(collSize, {'from': bob})
chain.sleep(20000)
prevAliceIndexBalance = index.balanceOf(alice)
print('Alice index balance', prevAliceIndexBalance)
#####################################################################################
print(
'========================================================================='
)
print('Case 2. add liquidity the second time')
prevABal = dpi.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_staking = lp.balanceOf(staking)
if interface.IUniswapV2Pair(lp).token0() == dpi:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
dpi_amt = 10 * 10**18
weth_amt = 10**18
lp_amt = 0
borrow_dpi_amt = 10**10
borrow_weth_amt = 0
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.addLiquidityWStakingRewards.encode_input(
dpi, # token 0
weth, # token 1
[
dpi_amt, # supply DPI
weth_amt, # supply WETH
lp_amt, # supply LP
borrow_dpi_amt, # borrow DPI
borrow_weth_amt, # borrow WETH
0, # borrow LP tokens
0, # min DPI
0
], # min WETH
wstaking,
),
{'from': alice})
curABal = dpi.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_staking = lp.balanceOf(staking)
if interface.IUniswapV2Pair(lp).token0() == dpi:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, totalDebt, totalShare = homora.getBankInfo(dpi)
print('bank dpi totalDebt', totalDebt)
print('bank dpi totalShare', totalShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('staking prev LP balance', prevLPBal_staking)
print('staking cur LP balance', curLPBal_staking)
print('prev dpi res', prevARes)
print('cur dpi res', curARes)
print('prev weth res', prevBRes)
print('cur weth res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -dpi_amt), 'incorrect DPI amt'
assert almostEqual(curBBal - prevBBal, -weth_amt), 'incorrect WETH amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert dpi.balanceOf(uniswap_spell) == 0, 'non-zero spell DPI balance'
assert weth.balanceOf(uniswap_spell) == 0, 'non-zero spell WETH balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
assert totalDebt == borrow_dpi_amt
# check balance and pool reserves
assert curABal - prevABal - borrow_dpi_amt == - \
(curARes - prevARes), 'not all DPI tokens go to LP pool'
assert curBBal - prevBBal - borrow_weth_amt == - \
(curBRes - prevBRes), 'not all WETH tokens go to LP pool'
curAliceIndexBalance = index.balanceOf(alice)
print('Alice index balance', curAliceIndexBalance)
receivedIndex = curAliceIndexBalance - prevAliceIndexBalance
print('received index', receivedIndex)
# check with staking directly
tx = interface.IStakingRewards(staking).getReward({'from': bob})
receivedIndexFromStaking = index.balanceOf(bob) - prevIndex
print('receivedIndexFromStaking', receivedIndexFromStaking)
assert almostEqual(receivedIndex, receivedIndexFromStaking)
def test_hegic_strategy_infura(pm):
hegic_liquidity = accounts.at(
"0x736f85bf359e3e2db736d395ed8a4277123eeee1", force=True
) # Hegic: Liquidity M&U (lot's of hegic)
rewards = accounts[2]
gov = accounts[3]
guardian = accounts[4]
bob = accounts[5]
alice = accounts[6]
strategist = accounts[7]
hegic = Contract.from_explorer(
"0x584bC13c7D411c00c01A62e8019472dE68768430", owner=gov
) # Hegic token
hegic.approve(hegic_liquidity, Wei("1000000 ether"), {"from": hegic_liquidity})
hegic.transferFrom(
hegic_liquidity, gov, Wei("888000 ether"), {"from": hegic_liquidity}
)
Vault = pm(config["dependencies"][0]).Vault
yHegic = gov.deploy(Vault, hegic, gov, rewards, "", "")
hegicStaking = Contract.from_explorer(
"0x840a1AE46B7364855206Eb5b7286Ab7E207e515b", owner=gov
) # HEGIC WBTC Staking lot (hlWBTC)
uni = Contract.from_explorer(
"0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D", owner=gov
) # UNI router v2
wbtcLiquidity = accounts.at(
"0x9939d72411c6af3c97beff0ac81e3b780e4712ee", force=True
)
wbtc = Contract.from_explorer("0x2260fac5e5542a773aa44fbcfedf7c193bc2c599")
wbtc.approve(hegicStaking, Wei("100 ether"), {"from": wbtcLiquidity})
strategy = guardian.deploy(
StrategyHegicWBTC, yHegic, hegic, hegicStaking, uni, wbtc
)
strategy.setStrategist(strategist)
yHegic.addStrategy(strategy, Wei("888000 ether"), 0, 50, {"from": gov})
hegic.approve(gov, Wei("1000000 ether"), {"from": gov})
hegic.transferFrom(gov, bob, Wei("100000 ether"), {"from": gov})
hegic.transferFrom(gov, alice, Wei("788000 ether"), {"from": gov})
hegic.approve(yHegic, Wei("1000000 ether"), {"from": bob})
hegic.approve(yHegic, Wei("1000000 ether"), {"from": alice})
yHegic.deposit(Wei("100000 ether"), {"from": bob})
yHegic.deposit(Wei("788000 ether"), {"from": alice})
strategy.harvest()
assert hegic.balanceOf(strategy) == 0
assert hegicStaking.balanceOf(strategy) == 1
hegicStaking.sendProfit(1 * 1e8, {"from": wbtcLiquidity})
strategy.harvest({"from": gov})
# We should have made profit
assert yHegic.pricePerShare() > 1
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
dai = interface.IERC20Ex('0x6B175474E89094C44Da98b954EedeAC495271d0F')
usdc = interface.IERC20Ex('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
susd = interface.IERC20Ex('0x57ab1ec28d129707052df4df418d58a2d46d5f51')
ydai = interface.IERC20Ex('0xC2cB1040220768554cf699b0d863A3cd4324ce32')
yusdc = interface.IERC20Ex('0x26EA744E5B887E5205727f55dFBE8685e3b21951')
yusdt = interface.IERC20Ex('0xE6354ed5bC4b393a5Aad09f21c46E101e692d447')
ybusd = interface.IERC20Ex('0x04bC0Ab673d88aE9dbC9DA2380cB6B79C4BCa9aE')
lp = interface.IERC20Ex('0xC25a3A3b969415c80451098fa907EC722572917F')
pool = interface.ICurvePool('0xA5407eAE9Ba41422680e2e00537571bcC53efBfD')
lp_busd = interface.IERC20Ex('0x3B3Ac5386837Dc563660FB6a0937DFAa5924333B')
pool_busd = interface.ICurvePool('0x79a8C46DeA5aDa233ABaFFD40F3A0A2B1e5A4F27')
registry = interface.ICurveRegistry('0x7d86446ddb609ed0f5f8684acf30380a356b2b4c')
crdai = interface.ICErc20('0x92B767185fB3B04F881e3aC8e5B0662a027A1D9f')
crusdc = interface.ICErc20('0x44fbebd2f576670a6c33f6fc0b00aa8c5753b322')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
crsusd = MockCErc20.deploy(susd, {'from': admin})
crydai = MockCErc20.deploy(ydai, {'from': admin})
cryusdc = MockCErc20.deploy(yusdc, {'from': admin})
cryusdt = MockCErc20.deploy(yusdt, {'from': admin})
crybusd = MockCErc20.deploy(ybusd, {'from': admin})
gauge = accounts.at(
'0xA90996896660DEcC6E997655E065b23788857849', force=True)
wgauge = WLiquidityGauge.deploy(
registry, '0xD533a949740bb3306d119CC777fa900bA034cd52', {'from': admin})
crv = interface.IERC20Ex(wgauge.crv())
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([dai, usdt, usdc, susd, ydai, yusdc, yusdt, ybusd],
[2**112 // 700, 2**112 * 10**12 // 700, 2**112 * 10**12 // 700, 2**112 // 700, 2**112 // 700, 2**112 * 10**12 // 700, 2**112 * 10**12 // 700, 2**112 // 700])
curve_oracle = CurveOracle.deploy(simple_oracle, registry, {'from': admin})
curve_oracle.registerPool(lp) # update pool info
curve_oracle.registerPool(lp_busd) # update pool info
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20, wgauge], True, {'from': admin})
core_oracle.setRoute(
[dai, usdc, usdt, susd, lp, ydai, yusdc, yusdt, ybusd, lp_busd, ],
[simple_oracle, simple_oracle, simple_oracle, simple_oracle, curve_oracle,
simple_oracle, simple_oracle, simple_oracle, simple_oracle, curve_oracle],
{'from': admin},
)
oracle.setOracles(
[dai, usdc, usdt, susd, lp, ydai, yusdc, yusdt, ybusd, lp_busd],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
# initialize
homora = HomoraBank.deploy({'from': admin})
print('donator ether', accounts[5].balance())
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
# add bank
homora.addBank(dai, crdai, {'from': admin})
homora.addBank(usdc, crusdc, {'from': admin})
homora.addBank(usdt, crusdt, {'from': admin})
homora.addBank(susd, crsusd, {'from': admin})
homora.addBank(ydai, crydai, {'from': admin})
homora.addBank(yusdc, cryusdc, {'from': admin})
homora.addBank(yusdt, cryusdt, {'from': admin})
homora.addBank(ybusd, crybusd, {'from': admin})
# setup initial funds to alice
mint_tokens(dai, alice,)
mint_tokens(usdc, alice)
mint_tokens(usdt, alice)
mint_tokens(susd, alice)
mint_tokens(ydai, alice)
mint_tokens(yusdc, alice)
mint_tokens(yusdt, alice)
mint_tokens(ybusd, alice)
mint_tokens(susd, crsusd)
# check alice's funds
print(f'Alice dai balance {dai.balanceOf(alice)}')
print(f'Alice usdc balance {usdc.balanceOf(alice)}')
print(f'Alice usdt balance {usdt.balanceOf(alice)}')
print(f'Alice susd balance {susd.balanceOf(alice)}')
print(f'Alice ydai balance {ydai.balanceOf(alice)}')
print(f'Alice yusdc balance {yusdc.balanceOf(alice)}')
print(f'Alice yusdt balance {yusdt.balanceOf(alice)}')
print(f'Alice ybusd balance {ybusd.balanceOf(alice)}')
# steal some LP from the staking pool
mint_tokens(lp, alice)
mint_tokens(lp, bob)
mint_tokens(lp_busd, alice)
# set approval
dai.approve(homora, 2**256-1, {'from': alice})
dai.approve(crdai, 2**256-1, {'from': alice})
usdc.approve(homora, 2**256-1, {'from': alice})
usdc.approve(crusdc, 2**256-1, {'from': alice})
usdt.approve(homora, 2**256-1, {'from': alice})
usdt.approve(crusdt, 2**256-1, {'from': alice})
susd.approve(homora, 2**256-1, {'from': alice})
susd.approve(crsusd, 2**256-1, {'from': alice})
ydai.approve(homora, 2**256-1, {'from': alice})
ydai.approve(crydai, 2**256-1, {'from': alice})
yusdc.approve(homora, 2**256-1, {'from': alice})
yusdc.approve(cryusdc, 2**256-1, {'from': alice})
yusdt.approve(homora, 2**256-1, {'from': alice})
yusdt.approve(cryusdt, 2**256-1, {'from': alice})
ybusd.approve(homora, 2**256-1, {'from': alice})
ybusd.approve(crybusd, 2**256-1, {'from': alice})
lp.approve(homora, 2**256-1, {'from': alice})
lp.approve(gauge, 2**256-1, {'from': bob})
lp_busd.approve(homora, 2**256-1, {'from': alice})
curve_spell = CurveSpellV1.deploy(
homora, werc20, '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', wgauge, {'from': admin})
# register gauge
wgauge.registerGauge(12, 0)
wgauge.registerGauge(1, 0)
# set up pools
curve_spell.getPool(lp)
curve_spell.getPool(lp_busd)
# first time call to reduce gas
curve_spell.ensureApproveN(lp, 4, {'from': admin})
curve_spell.ensureApproveN(lp_busd, 4, {'from': admin})
# whitelist spell in bank
homora.setWhitelistSpells([curve_spell], [True], {'from': admin})
# whitelist token in bank
homora.setWhitelistTokens([dai, usdt, usdc, susd], [True, True, True, True], {'from': admin})
# whitelist lp in spell
curve_spell.setWhitelistLPTokens([lp, lp_busd], [True, True], {'from': admin})
#####################################################################################
print('=========================================================================')
print('Case 1.')
prevABal = dai.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevCBal = usdt.balanceOf(alice)
prevDBal = susd.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_gauge = lp.balanceOf(gauge)
dai_amt = 200 * 10**18
usdc_amt = 1000 * 10**6
usdt_amt = 1000 * 10**6
susd_amt = 1000 * 10**18
lp_amt = 0
borrow_dai_amt = 10 * 10**18
borrow_usdc_amt = 10**6
borrow_usdt_amt = 10**6
borrow_susd_amt = 10**18
borrow_lp_amt = 0
minLPMint = 0
pid = 12
gid = 0
tx = homora.execute(
0,
curve_spell,
curve_spell.addLiquidity4.encode_input(
lp, # LP
[dai_amt, usdc_amt, usdt_amt, susd_amt], # supply tokens
lp_amt, # supply LP
[borrow_dai_amt, borrow_usdc_amt, borrow_usdt_amt, borrow_susd_amt], # borrow tokens
borrow_lp_amt, # borrow LP
minLPMint, # min LP mint
pid,
gid
),
{'from': alice}
)
curABal = dai.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curCBal = usdt.balanceOf(alice)
curDBal = susd.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_gauge = lp.balanceOf(gauge)
print('spell lp balance', lp.balanceOf(curve_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta C balance', curCBal - prevCBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, daiDebt, daiDebtShare = homora.getBankInfo(dai)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, susdDebt, susdDebtShare = homora.getBankInfo(susd)
print('bank dai totalDebt', daiDebt)
print('bank dai totalShare', daiDebtShare)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('bank usdc totalDebt', usdcDebt)
print('bank usdc totalShare', usdcDebtShare)
print('bank susd totalDebt', susdDebt)
print('bank susd totalShare', susdDebtShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('gauge prev LP balance', prevLPBal_gauge)
print('gauge cur LP balance', curLPBal_gauge)
# alice
assert almostEqual(curABal - prevABal, -dai_amt), 'incorrect DAI amt'
assert almostEqual(curBBal - prevBBal, -usdc_amt), 'incorrect USDC amt'
assert almostEqual(curCBal - prevCBal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curDBal - prevDBal, -susd_amt), 'incorrect SUSD amt'
assert almostEqual(curLPBal - prevLPBal, -lp_amt), 'incorrect LP amt'
# spell
assert dai.balanceOf(curve_spell) == 0, 'non-zero spell DAI balance'
assert usdc.balanceOf(curve_spell) == 0, 'non-zero spell USDC balance'
assert usdt.balanceOf(curve_spell) == 0, 'non-zero spell USDT balance'
assert susd.balanceOf(curve_spell) == 0, 'non-zero spell SUSD balance'
assert lp.balanceOf(curve_spell) == 0, 'non-zero spell LP balance'
# debt
assert daiDebt == borrow_dai_amt
assert usdcDebt == borrow_usdc_amt
assert usdtDebt == borrow_usdt_amt
assert susdDebt == borrow_susd_amt
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevCrv = crv.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
pid, gid = 12, 0
gauge, _ = wgauge.gauges(pid, gid)
print('gauge', gauge)
tx = interface.ILiquidityGauge(gauge).deposit(collSize, {'from': bob})
chain.sleep(20000)
prevAliceCrvBalance = crv.balanceOf(alice)
print('Alice crv balance', prevAliceCrvBalance)
# #####################################################################################
print('=========================================================================')
print('Case 2. add liquidity (failed tx desired)')
ydai_amt = 200 * 10**6
yusdc_amt = 500 * 10**6
yusdt_amt = 400 * 10**6
ybusd_amt = 100 * 10**6
lp_amt = 0
borrow_ydai_amt = 0
borrow_yusdc_amt = 0
borrow_yusdt_amt = 0
borrow_ybusd_amt = 0
borrow_lp_amt = 0
minLPMint = 0
pid = 12
gid = 0
try:
tx = homora.execute(
1,
curve_spell,
curve_spell.addLiquidity4.encode_input(
lp_busd, # LP_busd
[ydai_amt, yusdc_amt, yusdt_amt, ybusd_amt], # supply tokens
lp_amt, # supply LP
[borrow_ydai_amt, borrow_yusdc_amt, borrow_yusdt_amt, borrow_ybusd_amt], # borrow tokens
borrow_lp_amt, # borrow LP
minLPMint, # min LP mint
pid,
gid
),
{'from': alice}
)
assert False, 'tx should fail'
except VirtualMachineError:
pass
# #####################################################################################
print('=========================================================================')
print('Case 3. add liquidity (failed tx desired)')
ydai_amt = 0 # 2 * 10**6
yusdc_amt = 0 # 5 * 10**6
yusdt_amt = 0 # 4 * 10**6
ybusd_amt = 1 * 10**6
lp_amt = 0
borrow_ydai_amt = 0
borrow_yusdc_amt = 0
borrow_yusdt_amt = 0
borrow_ybusd_amt = 0
borrow_lp_amt = 0
minLPMint = 0
pid = 1
gid = 0
try:
tx = homora.execute(
1,
curve_spell,
curve_spell.addLiquidity4.encode_input(
lp_busd, # LP_busd
[ydai_amt, yusdc_amt, yusdt_amt, ybusd_amt], # supply tokens
lp_amt, # supply LP
[borrow_ydai_amt, borrow_yusdc_amt, borrow_yusdt_amt, borrow_ybusd_amt], # borrow tokens
borrow_lp_amt, # borrow LP
minLPMint, # min LP mint
pid,
gid
),
{'from': alice}
)
assert False, 'tx should fail'
except VirtualMachineError:
pass
# #####################################################################################
print('=========================================================================')
print('Case 4. remove liquidity (failed tx desired)')
lp_take_amt = 2**256-1 # max
lp_want = 1 * 10**17
ydai_repay = 2**256-1 # max
yusdc_repay = 2**256-1 # max
yusdt_repay = 2**256-1 # max
ybusd_repay = 2**256-1 # max
lp_repay = 0
try:
tx = homora.execute(
1,
curve_spell,
curve_spell.removeLiquidity4.encode_input(
lp_busd, # LP_busd token
lp_take_amt, # LP amount to take out
lp_want, # LP amount to withdraw to wallet
[ydai_repay, yusdc_repay, yusdt_repay, ybusd_repay], # repay amounts
lp_repay, # repay LP amount
[0, 0, 0, 0] # min amounts
),
{'from': alice}
)
assert False, 'tx should revert'
except VirtualMachineError:
pass
# #####################################################################################
print('=========================================================================')
print('Case 5. remove liqudiity')
# remove liquidity from the same position
prevABal = dai.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevCBal = usdt.balanceOf(alice)
prevDBal = susd.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_gauge = lp.balanceOf(gauge)
_, _, _, collSize = homora.getPositionInfo(1)
lp_take_amt = 2**256-1 # max
lp_want = 0
dai_repay = 2**256-1 # max
usdc_repay = 2**256-1 # max
usdt_repay = 2**256-1 # max
susd_repay = 2**256-1 # max
lp_repay = 0
tx = homora.execute(
1,
curve_spell,
curve_spell.removeLiquidity4.encode_input(
lp, # LP token
lp_take_amt, # LP amount to take out
lp_want, # LP amount to withdraw to wallet
[dai_repay, usdc_repay, usdt_repay, susd_repay], # repay amounts
lp_repay, # repay LP amount
[0, 0, 0, 0] # min amounts
),
{'from': alice}
)
curABal = dai.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curCBal = usdt.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_gauge = lp.balanceOf(gauge)
print('spell lp balance', lp.balanceOf(curve_spell))
print('spell dai balance', dai.balanceOf(curve_spell))
print('spell usdc balance', usdc.balanceOf(curve_spell))
print('spell usdt balance', usdt.balanceOf(curve_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta C balance', curCBal - prevCBal)
print('Alice delta LP balance', curLPBal - prevLPBal)
print('remove liquidity gas', tx.gas_used)
print('bank delta lp balance', curLPBal_bank - prevLPBal_bank)
print('bank total lp balance', curLPBal_bank)
_, _, _, daiDebt, daiDebtShare = homora.getBankInfo(dai)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
print('bank dai totalDebt', daiDebt)
print('bank dai totalDebt', daiDebt)
print('bank usdc totalShare', usdcDebtShare)
print('bank usdc totalShare', usdcDebtShare)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('LP want', lp_want)
print('bank delta LP amount', curLPBal_bank - prevLPBal_bank)
print('LP take amount', lp_take_amt)
print('prev gauge LP balance', prevLPBal_gauge)
print('cur gauge LP balance', curLPBal_gauge)
print('coll size', collSize)
# alice
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# spell
assert dai.balanceOf(curve_spell) == 0, 'non-zero spell DAI balance'
assert usdc.balanceOf(curve_spell) == 0, 'non-zero spell USDC balance'
assert usdt.balanceOf(curve_spell) == 0, 'non-zero spell USDT balance'
assert lp.balanceOf(curve_spell) == 0, 'non-zero spell LP balance'
# debt
assert usdcDebt == 0, 'usdcDebt should be 0'
assert daiDebt == 0, 'daiDebt should be 0'
assert usdtDebt == 0, 'usdtDebt should be 0'
curAliceCrvBalance = crv.balanceOf(alice)
print('Alice crv balance', curAliceCrvBalance)
receivedCrv = curAliceCrvBalance - prevAliceCrvBalance
print('received crv', receivedCrv)
# check with staking directly
minter = interface.ILiquidityGaugeMinter(interface.ILiquidityGauge(gauge).minter())
print('minter', minter)
tx = minter.mint(gauge, {'from': bob})
print('tx status', tx.status)
tx = interface.ILiquidityGauge(gauge).withdraw(collSize, {'from': bob})
receivedCrvFromGauge = crv.balanceOf(bob) - prevCrv
print('receivedCrvFromGauge', receivedCrvFromGauge)
assert almostEqual(receivedCrv, receivedCrvFromGauge)
# #####################################################################################
print('=========================================================================')
print('Case 6. add & remove all LP')
lp_amt = 10 * 10**6
prevLPBal = lp.balanceOf(alice)
pid, gid = 12, 0
tx = homora.execute(
0,
curve_spell,
curve_spell.addLiquidity4.encode_input(
lp, # LP
[0, 0, 0, 0], # supply tokens
lp_amt, # supply LP
[0, 0, 0, 0], # borrow tokens
0, # borrow LP
0, # min LP mint
pid,
gid
),
{'from': alice}
)
tx = homora.execute(
2,
curve_spell,
curve_spell.removeLiquidity4.encode_input(
lp, # LP token
2**256-1, # LP amount to take out
lp_amt, # LP amount to withdraw to wallet
[0, 0, 0, 0], # repay amounts
0, # repay LP amount
[0, 0, 0, 0] # min amounts
),
{'from': alice}
)
curLPBal = lp.balanceOf(alice)
assert prevLPBal == curLPBal, 'incorrect LP Balance'
return tx
def live():
admin = accounts.at("0xC447FcAF1dEf19A583F97b3620627BF69c05b5fB")
with open(config.DEPLOYMENTS_JSON) as fp:
pool_proxy = json.load(fp)['PoolProxy']
transfer_ownership(admin, pool_proxy, config.REQUIRED_CONFIRMATIONS)
def main():
if USE_STRATEGIES:
web3.eth.setGasPriceStrategy(gas_strategy)
web3.middleware_onion.add(middleware.time_based_cache_middleware)
web3.middleware_onion.add(
middleware.latest_block_based_cache_middleware)
web3.middleware_onion.add(middleware.simple_cache_middleware)
if POA:
web3.middleware_onion.inject(middleware.geth_poa_middleware,
layer=0)
deployer = accounts.at(DEPLOYER)
lp_token = deploy_erc20s_and_pool(deployer)
token = repeat(ERC20CRV.deploy, "Curve DAO Token", "CRV", 18, 10**9, {
'from': deployer,
'required_confs': CONFS
})
save_abi(token, 'token_crv')
escrow = repeat(VotingEscrow.deploy, token, "Vote-escrowed CRV", "veCRV",
"veCRV_0.99", {
'from': deployer,
'required_confs': CONFS
})
save_abi(escrow, 'voting_escrow')
repeat(escrow.changeController, TOKEN_MANAGER, {
'from': deployer,
'required_confs': CONFS
})
for account in DISTRIBUTION_ADDRESSES:
repeat(token.transfer, account, DISTRIBUTION_AMOUNT, {
'from': deployer,
'required_confs': CONFS
})
gauge_controller = repeat(GaugeController.deploy, token, escrow, {
'from': deployer,
'required_confs': CONFS
})
save_abi(gauge_controller, 'gauge_controller')
minter = repeat(Minter.deploy, token, gauge_controller, {
'from': deployer,
'required_confs': CONFS
})
save_abi(minter, 'minter')
liquidity_gauge = repeat(LiquidityGauge.deploy, lp_token, minter, {
'from': deployer,
'required_confs': CONFS
})
save_abi(liquidity_gauge, 'liquidity_gauge')
repeat(token.set_minter, minter, {
'from': deployer,
'required_confs': CONFS
})
repeat(gauge_controller.add_type, b'Liquidity', {
'from': deployer,
'required_confs': CONFS
})
repeat(gauge_controller.change_type_weight, 0, 10**18, {
'from': deployer,
'required_confs': CONFS
})
repeat(gauge_controller.add_gauge, liquidity_gauge, 0, 10**18, {
'from': deployer,
'required_confs': CONFS
})
repeat(gauge_controller.transfer_ownership, ARAGON_AGENT, {
'from': deployer,
'required_confs': CONFS
})
repeat(escrow.transfer_ownership, ARAGON_AGENT, {
'from': deployer,
'required_confs': CONFS
})
repeat(PoolProxy.deploy, {'from': deployer, 'required_confs': CONFS})
def main():
admin = accounts[0]
alice = accounts[1]
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
usdc = interface.IERC20Ex('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
lp = interface.IERC20Ex('0x3041cbd36888becc7bbcbc0045e3b1f144466f5f')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
crusdc = interface.ICErc20('0x44fbebd2f576670a6c33f6fc0b00aa8c5753b322')
router = interface.IUniswapV2Router02(
'0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D')
chef = accounts.at('0xc2edad668740f1aa35e4d8f227fb8e17dca888cd',
force=True)
wchef = WMasterChef.deploy(chef, {'from': admin})
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([usdt, usdc], [
8343331721347310729683379470025550036595362,
8344470555541464992529317899641128796042472
])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
core_oracle = CoreOracle.deploy({'from': admin})
oracle = ProxyOracle.deploy(core_oracle, {'from': admin})
oracle.setWhitelistERC1155([werc20], True, {'from': admin})
core_oracle.setRoute(
[usdt, usdc, lp],
[simple_oracle, simple_oracle, uniswap_oracle],
{'from': admin},
)
oracle.setOracles(
[usdt, usdc, lp],
[
[10000, 10000, 10000],
[10000, 10000, 10000],
[10000, 10000, 10000],
],
{'from': admin},
)
# initialize
homora = HomoraBank.deploy({'from': admin})
homora.initialize(oracle, 1000, {'from': admin}) # 10% fee
setup_bank_hack(homora)
# add bank
homora.addBank(usdt, crusdt, {'from': admin})
homora.addBank(usdc, crusdc, {'from': admin})
# setup initial funds to alice
mint_tokens(usdt, alice)
mint_tokens(usdc, alice)
# check alice's funds
print(f'Alice usdt balance {usdt.balanceOf(alice)}')
print(f'Alice usdc balance {usdc.balanceOf(alice)}')
# steal some LP from the staking pool
mint_tokens(lp, alice)
# set approval
usdt.approve(homora, 2**256 - 1, {'from': alice})
usdt.approve(crusdt, 2**256 - 1, {'from': alice})
usdc.approve(homora, 2**256 - 1, {'from': alice})
usdc.approve(crusdc, 2**256 - 1, {'from': alice})
lp.approve(homora, 2**256 - 1, {'from': alice})
uniswap_spell = UniswapV2SpellV1.deploy(homora, werc20, router,
{'from': admin})
# first time call to reduce gas
uniswap_spell.getPair(usdt, usdc, {'from': admin})
# whitelist spell in bank
homora.setWhitelistSpells([uniswap_spell], [True], {'from': admin})
# whitelist token in bank
homora.setWhitelistTokens([usdt, usdc], [True, True], {'from': admin})
# whitelist lp in spell
uniswap_spell.setWhitelistLPTokens([lp], [True], {'from': admin})
#####################################################################################
# add liquidity
print(
'========================================================================='
)
print('Case 1.')
prevABal = usdt.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
if interface.IUniswapV2Pair(lp).token0() == usdt:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
usdt_amt = 40000 * 10**6
usdc_amt = 50000 * 10**6
lp_amt = 1 * 10**7
borrow_usdt_amt = 1000 * 10**6
borrow_usdc_amt = 200 * 10**6
tx = homora.execute(
0,
uniswap_spell,
uniswap_spell.addLiquidityWERC20.encode_input(
usdt, # token 0
usdc, # token 1
[
usdt_amt, # supply USDT
usdc_amt, # supply USDC
lp_amt, # supply LP
borrow_usdt_amt, # borrow USDT
borrow_usdc_amt, # borrow USDC
0, # borrow 0 LP tokens
0, # min USDT
0
], # min USDC
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
if interface.IUniswapV2Pair(lp).token0() == usdt:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank usdt debt', usdtDebt)
print('bank usdt debt share', usdtDebtShare)
print('bank usdc debt', usdcDebt)
print('bank usdc debt share', usdcDebtShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('werc20 prev LP balance', prevLPBal_werc20)
print('werc20 cur LP balance', curLPBal_werc20)
print('prev usdt res', prevARes)
print('cur usdt res', curARes)
print('prev usdc res', prevBRes)
print('cur usdc res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curBBal - prevBBal, -usdc_amt), 'incorrect USDC amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert usdc.balanceOf(uniswap_spell) == 0, 'non-zero spell USDC balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
assert usdtDebt == borrow_usdt_amt
assert usdcDebt == borrow_usdc_amt
# check balance and pool reserves
assert curABal - prevABal - borrow_usdt_amt == - \
(curARes - prevARes), 'not all USDT tokens go to LP pool'
assert curBBal - prevBBal - borrow_usdc_amt == - \
(curBRes - prevBRes), 'not all USDC tokens go to LP pool'
#####################################################################################
# add liquidity to the same position
print(
'========================================================================='
)
print('Case 2.')
prevABal = usdt.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
if interface.IUniswapV2Pair(lp).token0() == usdt:
prevARes, prevBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
prevBRes, prevARes, _ = interface.IUniswapV2Pair(lp).getReserves()
usdt_amt = 20000 * 10**6
usdc_amt = 30000 * 10**6
lp_amt = 1 * 10**7
borrow_usdt_amt = 1000 * 10**6
borrow_usdc_amt = 200 * 10**6
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.addLiquidityWERC20.encode_input(
usdt, # token 0
usdc, # token 1
[
usdt_amt, # supply USDT
usdc_amt, # supply USDC
lp_amt, # supply LP
borrow_usdt_amt, # borrow USDT
borrow_usdc_amt, # borrow USDC
0, # borrow LP
0, # min USDT
0
], # min USDC
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
if interface.IUniswapV2Pair(lp).token0() == usdt:
curARes, curBRes, _ = interface.IUniswapV2Pair(lp).getReserves()
else:
curBRes, curARes, _ = interface.IUniswapV2Pair(lp).getReserves()
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank usdt debt', usdtDebt)
print('bank usdt debt share', usdtDebtShare)
print('bank usdc debt', usdcDebt)
print('bank usdc debt share', usdcDebtShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('werc20 prev LP balance', prevLPBal_werc20)
print('werc20 cur LP balance', curLPBal_werc20)
print('prev usdt res', prevARes)
print('cur usdt res', curARes)
print('prev usdc res', prevBRes)
print('cur usdc res', curBRes)
# alice
assert almostEqual(curABal - prevABal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curBBal - prevBBal, -usdc_amt), 'incorrect USDC amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert usdc.balanceOf(uniswap_spell) == 0, 'non-zero spell USDC balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
# borrow same amount twice (with small interest accrued)
assert usdtDebt >= borrow_usdt_amt * 2
# borrow same amount twice (with small interest accrued)
assert usdcDebt >= borrow_usdc_amt * 2
# check balance and pool reserves
assert curABal - prevABal - borrow_usdt_amt == - \
(curARes - prevARes), 'not all USDT tokens go to LP pool'
assert curBBal - prevBBal - borrow_usdc_amt == - \
(curBRes - prevBRes), 'not all USDC tokens go to LP pool'
#####################################################################################
# remove half liquidity from the same position
print(
'========================================================================='
)
print('Case 3.')
prevABal = usdt.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
_, _, _, collSize = homora.getPositionInfo(1)
lp_take_amt = collSize // 2
lp_want = 1 * 10**5
usdt_repay = MAX_INT
usdc_repay = MAX_INT
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.removeLiquidityWERC20.encode_input(
usdt, # token 0
usdc, # token 1
[
lp_take_amt, # take out LP
lp_want, # withdraw LP to wallet
usdt_repay, # repay USDT
usdc_repay, # repay USDC
0, # repay LP
0, # min USDT
0
], # min USDC
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('spell usdt balance', usdt.balanceOf(uniswap_spell))
print('spell usdc balance', usdc.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta LP balance', curLPBal - prevLPBal)
print('remove liquidity gas', tx.gas_used)
print('bank delta lp balance', curLPBal_bank - prevLPBal_bank)
print('bank total lp balance', curLPBal_bank)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('bank usdc totalDebt', usdcDebt)
print('bank usdc totalShare', usdcDebtShare)
print('LP want', lp_want)
print('bank delta LP amount', curLPBal_bank - prevLPBal_bank)
print('LP take amount', lp_take_amt)
print('prev werc20 LP balance', prevLPBal_werc20)
print('cur werc20 LP balance', curLPBal_werc20)
print('coll size', collSize)
# alice
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# werc20
assert almostEqual(curLPBal_werc20 - prevLPBal_werc20,
-lp_take_amt), 'incorrect werc20 LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert usdc.balanceOf(uniswap_spell) == 0, 'non-zero spell USDC balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
# debt
assert usdtDebt == 0, 'usdtDebt should be 0'
assert usdcDebt == 0, 'usdcDebt should be 0'
#####################################################################################
# remove remaining liquidity from the same position
print(
'========================================================================='
)
print('Case 4.')
prevABal = usdt.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
_, _, _, collSize = homora.getPositionInfo(1)
lp_take_amt = MAX_INT
lp_want = 1 * 10**5
usdt_repay = MAX_INT
usdc_repay = MAX_INT
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.removeLiquidityWERC20.encode_input(
usdt, # token 0
usdc, # token 1
[
lp_take_amt, # take out LP
lp_want, # withdraw LP to wallet
usdt_repay, # repay USDT
usdc_repay, # repay USDC
0, # repay LP
0, # min USDT
0
], # min USDC
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('spell usdt balance', usdt.balanceOf(uniswap_spell))
print('spell usdc balance', usdc.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta LP balance', curLPBal - prevLPBal)
print('remove liquidity gas', tx.gas_used)
print('bank delta lp balance', curLPBal_bank - prevLPBal_bank)
print('bank total lp balance', curLPBal_bank)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('bank usdc totalDebt', usdcDebt)
print('bank usdc totalShare', usdcDebtShare)
print('LP want', lp_want)
print('bank delta LP amount', curLPBal_bank - prevLPBal_bank)
print('LP take amount', lp_take_amt)
print('prev werc20 LP balance', prevLPBal_werc20)
print('cur werc20 LP balance', curLPBal_werc20)
print('coll size', collSize)
# alice
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# werc20
assert almostEqual(curLPBal_werc20 - prevLPBal_werc20,
-collSize), 'incorrect werc20 LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert usdc.balanceOf(uniswap_spell) == 0, 'non-zero spell USDC balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
# debt
assert usdtDebt == 0, 'usdtDebt should be 0'
assert usdcDebt == 0, 'usdcDebt should be 0'
#####################################################################################
# add liquidity without borrowing (1x)
print(
'========================================================================='
)
print('Case 5.')
prevABal = usdt.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
usdt_amt = 2000 * 10**6 # 2000 USDT
usdc_amt = 3000 * 10**6 # 3000 USDC
lp_amt = 0
borrow_usdt_amt = 0
borrow_usdc_amt = 0
prevBBal = usdc.balanceOf(alice)
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.addLiquidityWERC20.encode_input(
usdt, # token 0
usdc, # token 1
[
usdt_amt, # supply USDT
usdc_amt, # supply USDC
lp_amt, # supply LP
borrow_usdt_amt, # borrow USDT
borrow_usdc_amt, # borrow USDC
0, # borrow LP
0, # min USDT
0
], # min USDC
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta lp balance', curLPBal - prevLPBal)
print('add liquidity gas', tx.gas_used)
print('bank lp balance', curLPBal_bank)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('bank usdc totalDebt', usdcDebt)
print('bank usdc totalShare', usdcDebtShare)
print('bank prev LP balance', prevLPBal_bank)
print('bank cur LP balance', curLPBal_bank)
print('werc20 prev LP balance', prevLPBal_werc20)
print('werc20 cur LP balance', curLPBal_werc20)
# alice
assert almostEqual(curABal - prevABal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curBBal - prevBBal, -usdc_amt), 'incorrect USDC amt'
assert almostEqual(curLPBal - prevLPBal, -lp_amt), 'incorrect LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert usdc.balanceOf(uniswap_spell) == 0, 'non-zero spell USDC balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
# debt
assert usdtDebt == borrow_usdt_amt
assert usdcDebt == borrow_usdc_amt
#####################################################################################
# remove all liquidity from the same position
print(
'========================================================================='
)
print('Case 6.')
prevABal = usdt.balanceOf(alice)
prevBBal = usdc.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_werc20 = lp.balanceOf(werc20)
_, _, _, collSize = homora.getPositionInfo(1)
lp_take_amt = MAX_INT # max
lp_want = 0
usdt_repay = 0 # max
usdc_repay = 0 # max
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.removeLiquidityWERC20.encode_input(
usdt,
usdc,
[
lp_take_amt, # take out LP
lp_want, # withdraw LP to wallet
usdt_repay, # repay USDT
usdc_repay, # repay USDC
0, # repay LP
0, # min USDT
0
], # min USDC
),
{'from': alice})
curABal = usdt.balanceOf(alice)
curBBal = usdc.balanceOf(alice)
curLPBal = lp.balanceOf(alice)
curLPBal_bank = lp.balanceOf(homora)
curLPBal_werc20 = lp.balanceOf(werc20)
print('spell lp balance', lp.balanceOf(uniswap_spell))
print('spell usdt balance', usdt.balanceOf(uniswap_spell))
print('spell usdc balance', usdc.balanceOf(uniswap_spell))
print('Alice delta A balance', curABal - prevABal)
print('Alice delta B balance', curBBal - prevBBal)
print('Alice delta LP balance', curLPBal - prevLPBal)
print('remove liquidity gas', tx.gas_used)
print('bank delta lp balance', curLPBal_bank - prevLPBal_bank)
print('bank total lp balance', curLPBal_bank)
_, _, _, usdtDebt, usdtDebtShare = homora.getBankInfo(usdt)
_, _, _, usdcDebt, usdcDebtShare = homora.getBankInfo(usdc)
print('bank usdt totalDebt', usdtDebt)
print('bank usdt totalShare', usdtDebtShare)
print('bank usdc totalDebt', usdcDebt)
print('bank usdc totalShare', usdcDebtShare)
print('LP want', lp_want)
print('bank delta LP amount', curLPBal_bank - prevLPBal_bank)
print('LP take amount', lp_take_amt)
print('prev werc20 LP balance', prevLPBal_werc20)
print('cur werc20 LP balance', curLPBal_werc20)
print('coll size', collSize)
# alice
assert almostEqual(curLPBal - prevLPBal, lp_want), 'incorrect LP amt'
# werc20
assert almostEqual(curLPBal_werc20 - prevLPBal_werc20,
-collSize), 'incorrect werc20 LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert usdc.balanceOf(uniswap_spell) == 0, 'non-zero spell USDC balance'
assert lp.balanceOf(uniswap_spell) == 0, 'non-zero spell LP balance'
# debt
assert usdtDebt == 0, 'usdtDebt should be 0'
assert usdcDebt == 0, 'usdcDebt should be 0'
return tx
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
dai = interface.IERC20Ex('0x6B175474E89094C44Da98b954EedeAC495271d0F')
usdc = interface.IERC20Ex('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
wbtc = interface.IERC20Ex('0x2260fac5e5542a773aa44fbcfedf7c193bc2c599')
renbtc = interface.IERC20Ex('0xeb4c2781e4eba804ce9a9803c67d0893436bb27d')
crv = interface.IERC20Ex('0xD533a949740bb3306d119CC777fa900bA034cd52')
lp_3pool = interface.IERC20Ex('0x6c3f90f043a72fa612cbac8115ee7e52bde6e490')
lp_btc = interface.IERC20Ex('0x49849c98ae39fff122806c06791fa73784fb3675')
pool_3pool = interface.ICurvePool(
'0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7')
pool_btc = interface.ICurvePool(
'0x93054188d876f558f4a66B2EF1d97d16eDf0895B')
registry = interface.ICurveRegistry(
'0x7d86446ddb609ed0f5f8684acf30380a356b2b4c')
gauge = accounts.at('0xbFcF63294aD7105dEa65aA58F8AE5BE2D9d0952A',
force=True)
wgauge = WLiquidityGauge.deploy(
registry, '0xD533a949740bb3306d119CC777fa900bA034cd52',
{'from': admin})
# set approval
dai.approve(wgauge, 2**256 - 1, {'from': alice})
usdc.approve(wgauge, 2**256 - 1, {'from': alice})
usdt.approve(wgauge, 2**256 - 1, {'from': alice})
renbtc.approve(wgauge, 2**256 - 1, {'from': alice})
wbtc.approve(wgauge, 2**256 - 1, {'from': alice})
lp_3pool.approve(wgauge, 2**256 - 1, {'from': alice})
lp_3pool.approve(gauge, 2**256 - 1, {'from': alice})
lp_btc.approve(wgauge, 2**256 - 1, {'from': alice})
lp_btc.approve(gauge, 2**256 - 1, {'from': alice})
dai.approve(wgauge, 2**256 - 1, {'from': bob})
usdc.approve(wgauge, 2**256 - 1, {'from': bob})
usdt.approve(wgauge, 2**256 - 1, {'from': bob})
renbtc.approve(wgauge, 2**256 - 1, {'from': bob})
wbtc.approve(wgauge, 2**256 - 1, {'from': bob})
lp_3pool.approve(wgauge, 2**256 - 1, {'from': bob})
lp_3pool.approve(gauge, 2**256 - 1, {'from': bob})
lp_btc.approve(wgauge, 2**256 - 1, {'from': bob})
lp_btc.approve(gauge, 2**256 - 1, {'from': bob})
# setup initial funds to alice
mint_tokens(dai, alice)
mint_tokens(usdc, alice)
mint_tokens(usdt, alice)
mint_tokens(renbtc, alice)
mint_tokens(wbtc, alice)
mint_tokens(dai, bob)
mint_tokens(usdc, bob)
mint_tokens(usdt, bob)
mint_tokens(renbtc, bob)
mint_tokens(wbtc, bob)
# steal some LP from the staking pool
mint_tokens(lp_3pool, alice)
mint_tokens(lp_btc, alice)
mint_tokens(lp_3pool, bob)
mint_tokens(lp_btc, bob)
# register gauges
wgauge.registerGauge(0, 0, {'from': admin})
wgauge.registerGauge(9, 0, {'from': admin})
######################################################################
# Check encoding and decoding ids
print(
'######################################################################'
)
print('Case 1.')
# check 3pool
pid = 0
gid = 0
crvPerShare = 210
encoded_id = wgauge.encodeId(pid, gid, crvPerShare)
print('encoded id', encoded_id)
assert (encoded_id >> 248) == pid
assert (encoded_id >> 240) & ((1 << 8) - 1) == gid
assert (encoded_id & ((1 << 240) - 1)) == crvPerShare
d_pid, d_gid, d_crvPerShare = wgauge.decodeId(encoded_id)
print('decoded pid', d_pid)
print('decoded gid', d_gid)
print('decoded crvPerShare', d_crvPerShare)
assert d_pid == pid
assert d_gid == gid
assert d_crvPerShare == crvPerShare
# check renbtc pool
pid = 9
gid = 0
crvPerShare = 100
encoded_id = wgauge.encodeId(pid, gid, crvPerShare)
print('encoded id', encoded_id)
assert (encoded_id >> 248) == pid
assert (encoded_id >> 240) & ((1 << 8) - 1) == gid
assert (encoded_id & ((1 << 240) - 1)) == crvPerShare
d_pid, d_gid, d_crvPerShare = wgauge.decodeId(encoded_id)
print('decoded pid', d_pid)
print('decoded gid', d_gid)
print('decoded crvPerShare', d_crvPerShare)
assert d_pid == pid
assert d_gid == gid
assert d_crvPerShare == crvPerShare
######################################################################
# check getUnderlyingToken
pid = 0
gid = 0
crvPerShare = 200
id_num = wgauge.encodeId(pid, gid, crvPerShare)
lpToken = wgauge.getUnderlyingToken(id_num)
print('lpToken', lpToken)
assert lpToken == lp_3pool
pid = 9
gid = 0
crvPerShare = 100
id_num = wgauge.encodeId(pid, gid, crvPerShare)
lpToken = wgauge.getUnderlyingToken(id_num)
print('lpToken', lpToken)
assert lpToken == lp_btc
######################################################################
# check mint & burn
print(
'######################################################################'
)
print('Case 2.')
pid = 0
gid = 0
amt = 10**18
print('alice lp 3pool balance', lp_3pool.balanceOf(alice))
# mint
tx = wgauge.mint(pid, gid, amt, {'from': alice})
encoded_id = tx.return_value
print('tx status', tx.status)
print('encoded id', encoded_id)
gauge, prevAccCrvPerShare = wgauge.gauges(pid, gid)
print('gauge', gauge)
print('prevAccCrvPerShare', prevAccCrvPerShare)
print('alice wlp_3pool balance', wgauge.balanceOf(alice, encoded_id))
assert tx.status == 1
assert wgauge.balanceOf(alice, encoded_id) == amt
chain.sleep(20000)
# burn exact
prevCrvBalance = crv.balanceOf(alice)
tx = wgauge.burn(encoded_id, amt, {'from': alice})
print('tx status', tx.status)
print('alice wlp_3pool balance', wgauge.balanceOf(alice, encoded_id))
print('alice crv balance', crv.balanceOf(alice))
receivedCrv = crv.balanceOf(alice) - prevCrvBalance
assert tx.status == 1
assert tx.return_value == pid
assert wgauge.balanceOf(alice, encoded_id) == 0 # remove all
# check reward same as staking directly
prevCrv = crv.balanceOf(alice)
print('alice lp_3pool balance',
interface.IERC20Ex(lp_3pool).balanceOf(alice))
gauge, _ = wgauge.gauges(pid, gid)
tx = interface.ILiquidityGauge(gauge).deposit(amt, {'from': alice})
chain.sleep(20000)
minter = interface.ILiquidityGaugeMinter(
interface.ILiquidityGauge(gauge).minter())
print('minter', minter)
tx = minter.mint(gauge, {'from': alice})
print('tx status', tx.status)
tx = interface.ILiquidityGauge(gauge).withdraw(amt, {'from': alice})
receivedCrvFromGauge = crv.balanceOf(alice) - prevCrv
print('receivedCrvFromGauge', receivedCrvFromGauge)
assert almostEqual(receivedCrv, receivedCrvFromGauge)
######################################################################
# check mint & burn max_int
print(
'######################################################################'
)
print('Case 3.')
pid = 0
gid = 0
amt = 10**18
print('alice lp 3pool balance', lp_3pool.balanceOf(alice))
# mint alice
tx = wgauge.mint(pid, gid, amt, {'from': alice})
encoded_id = tx.return_value
print('tx status', tx.status)
print('encoded id', encoded_id)
gauge, prevAccCrvPerShare = wgauge.gauges(pid, gid)
print('gauge', gauge)
print('prevAccCrvPerShare', prevAccCrvPerShare)
print('alice wlp_3pool balance', wgauge.balanceOf(alice, encoded_id))
assert tx.status == 1
assert wgauge.balanceOf(alice, encoded_id) == amt
# mint bob
prevCrvBob = crv.balanceOf(bob)
print('bob lp_3pool balance', interface.IERC20Ex(lp_3pool).balanceOf(bob))
gauge, _ = wgauge.gauges(pid, gid)
tx = interface.ILiquidityGauge(gauge).deposit(amt, {'from': bob})
chain.sleep(10000)
# burn max_int alice
prevCrvBalance = crv.balanceOf(alice)
tx = wgauge.burn(encoded_id, 2**256 - 1, {'from': alice})
print('tx status', tx.status)
print('alice wlp_3pool balance', wgauge.balanceOf(alice, encoded_id))
print('alice crv balance', crv.balanceOf(alice))
receivedCrv = crv.balanceOf(alice) - prevCrvBalance
assert tx.status == 1
assert tx.return_value == pid
assert wgauge.balanceOf(alice, encoded_id) == 0 # remove all
# burn all bob
minter = interface.ILiquidityGaugeMinter(
interface.ILiquidityGauge(gauge).minter())
print('minter', minter)
tx = minter.mint(gauge, {'from': bob})
print('tx status', tx.status)
tx = interface.ILiquidityGauge(gauge).withdraw(amt, {'from': bob})
receivedCrvFromGauge = crv.balanceOf(bob) - prevCrvBob
print('receivedCrv', receivedCrv)
print('receivedCrvFromGauge', receivedCrvFromGauge)
assert almostEqual(receivedCrv, receivedCrvFromGauge)
######################################################################
# check mint & burn (try more than available--revert, half, then remaining)
print(
'######################################################################'
)
print('Case 4.')
pid = 0
gid = 0
amt = 10**18
print('alice lp 3pool balance', lp_3pool.balanceOf(alice))
# mint alice
tx = wgauge.mint(pid, gid, amt, {'from': alice})
encoded_id = tx.return_value
print('tx status', tx.status)
print('encoded id', encoded_id)
gauge, prevAccCrvPerShare = wgauge.gauges(pid, gid)
print('gauge', gauge)
print('prevAccCrvPerShare', prevAccCrvPerShare)
print('alice wlp_3pool balance', wgauge.balanceOf(alice, encoded_id))
assert tx.status == 1
assert wgauge.balanceOf(alice, encoded_id) == amt
# mint bob
prevCrvBob = crv.balanceOf(bob)
print('bob lp_3pool balance', interface.IERC20Ex(lp_3pool).balanceOf(bob))
gauge, _ = wgauge.gauges(pid, gid)
tx = interface.ILiquidityGauge(gauge).deposit(amt, {'from': bob})
chain.sleep(10000)
# burn too much (expected failed)
prevCrvBalance = crv.balanceOf(alice)
try:
tx = wgauge.burn(encoded_id, amt + 1, {'from': alice})
assert tx.status == 0
except:
pass
print('alice wlpusdt balance', wgauge.balanceOf(alice, encoded_id))
print('alice crv balance', crv.balanceOf(alice))
assert prevCrvBalance == crv.balanceOf(alice)
assert wgauge.balanceOf(alice, encoded_id) == amt
# burn half alice
prevCrvBalance = crv.balanceOf(alice)
tx = wgauge.burn(encoded_id, amt // 2, {'from': alice})
print('tx status', tx.status)
print('alice wlp_3pool balance', wgauge.balanceOf(alice, encoded_id))
print('amt - amt//2', amt - amt // 2)
print('alice crv balance', crv.balanceOf(alice))
assert tx.status == 1
assert tx.return_value == pid
assert wgauge.balanceOf(alice, encoded_id) == amt - amt // 2 # remove half
# burn half bob
minter = interface.ILiquidityGaugeMinter(
interface.ILiquidityGauge(gauge).minter())
print('minter', minter)
tx = minter.mint(gauge, {'from': bob})
print('tx status', tx.status)
tx = interface.ILiquidityGauge(gauge).withdraw(amt // 2, {'from': bob})
chain.sleep(10000)
# burn remaining alice
tx = wgauge.burn(encoded_id, 2**256 - 1, {'from': alice})
print('tx status', tx.status)
print('alice wlp_3pool balance', wgauge.balanceOf(alice, encoded_id))
print('alice crv balance', crv.balanceOf(alice))
receivedCrv = crv.balanceOf(alice) - prevCrvBalance
assert tx.status == 1
assert tx.return_value == pid
# burn remaining bob
tx = minter.mint(gauge, {'from': bob})
print('tx status', tx.status)
tx = interface.ILiquidityGauge(gauge).withdraw(amt - amt // 2,
{'from': bob})
receivedCrvFromGauge = crv.balanceOf(bob) - prevCrvBob
print('receivedCrv alice', receivedCrv)
print('receivedCrvFromGauge bob', receivedCrvFromGauge)
assert wgauge.balanceOf(alice, encoded_id) == 0 # remove all
# check reward same as staking directly
assert almostEqual(receivedCrv, receivedCrvFromGauge)
def test_single_user_harvest_flow(settConfig):
badger = badger_single_sett(settConfig)
sett = badger.getSett(settConfig["id"])
strategy = badger.getStrategy(settConfig["id"])
want = badger.getStrategyWant(settConfig["id"])
settKeeper = accounts.at(sett.keeper(), force=True)
strategyKeeper = accounts.at(strategy.keeper(), force=True)
snap = DiggSnapshotManager(badger, settConfig["id"])
deployer = badger.deployer
randomUser = accounts[6]
tendable = strategy.isTendable()
startingBalance = want.balanceOf(deployer)
depositAmount = startingBalance // 2
assert startingBalance >= depositAmount
assert startingBalance >= 0
# Deposit
want.approve(sett, MaxUint256, {"from": deployer})
snap.settDeposit(depositAmount, {"from": deployer})
# Push/rebase on an exchange rate of 1.2 (DIGG trading at 1.2x BTC)
snap.rebase(1.2 * 10**18, {"from": deployer})
# Earn
snap.settEarn({"from": settKeeper})
if tendable:
with reverts("onlyAuthorizedActors"):
strategy.tend({"from": randomUser})
snap.settTend({"from": strategyKeeper})
chain.sleep(days(0.5))
chain.mine()
# Push/rebase on an exchange rate of 0.6 (DIGG trading at 0.8x BTC)
snap.rebase(0.6 * 10**18, {"from": deployer})
if tendable:
snap.settTend({"from": strategyKeeper})
chain.sleep(days(1))
chain.mine()
with reverts("onlyAuthorizedActors"):
strategy.harvest({"from": randomUser})
snap.settHarvest({"from": strategyKeeper})
chain.sleep(days(1))
chain.mine()
# Push/rebase on an exchange rate of 1.6 (DIGG trading at 1.6x BTC)
snap.rebase(1.6 * 10**18, {"from": deployer})
if tendable:
snap.settTend({"from": strategyKeeper})
snap.settWithdraw(depositAmount // 2, {"from": deployer})
chain.sleep(days(3))
chain.mine()
# Push/rebase on an exchange rate of 0.7 (DIGG trading at 0.7x BTC)
snap.rebase(0.7 * 10**18, {"from": deployer})
snap.settHarvest({"from": strategyKeeper})
snap.settWithdraw(depositAmount // 2 - 1, {"from": deployer})
assert False
def fx_ballot_maker(accounts):
return accounts.at('0xAD4f7415407B83a081A0Bee22D05A8FDC18B42da', force=True)
from brownie import ProxyAdmin, accounts
DEPLOYER = accounts.at("0x7EeAC6CDdbd1D0B8aF061742D41877D7F707289a", True)
ADMINS = [
"0x7EeAC6CDdbd1D0B8aF061742D41877D7F707289a",
"0x7EeAC6CDdbd1D0B8aF061742D41877D7F707289a",
]
def main():
ProxyAdmin.deploy(ADMINS, {"from": DEPLOYER})
def test_operation(pm, chain):
dai_liquidity = accounts.at(
"0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7", force=True
) # using curve pool (lots of dai)
crv3_liquidity = accounts.at(
"0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490", force=True
) # yearn treasury (lots of crv3)
rewards = accounts[2]
gov = accounts[3]
guardian = accounts[4]
bob = accounts[5]
alice = accounts[6]
strategist = accounts[7]
tinytim = accounts[8]
dai = Contract("0x6b175474e89094c44da98b954eedeac495271d0f", owner=gov) # DAI token
dai.approve(dai_liquidity, Wei("1000000 ether"), {"from": dai_liquidity})
dai.transferFrom(dai_liquidity, gov, Wei("10000 ether"), {"from": dai_liquidity})
crv3 = Contract(
"0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490", owner=gov
) # crv3 token address (threePool)
crv3.approve(crv3_liquidity, Wei("1000000 ether"), {"from": crv3_liquidity})
crv3.transferFrom(crv3_liquidity, gov, Wei("100 ether"), {"from": crv3_liquidity})
# config yvDAI vault.
Vault = pm(config["dependencies"][0]).Vault
yUSDT3 = gov.deploy(Vault, dai, gov, rewards, "", "")
threePool = Contract(
"0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7", owner=gov
) # crv3 pool address (threePool)
yCRV3 = Contract(
"0x9cA85572E6A3EbF24dEDd195623F188735A5179f", owner=gov
) # crv3 vault (threePool)
# uni = Contract.from_explorer(
# "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D", owner=gov
# ) # UNI router v2
strategy = guardian.deploy(StrategyDAI3Pool, yUSDT3, dai, threePool, yCRV3, crv3)
strategy.setStrategist(strategist)
yUSDT3.addStrategy(
strategy, Wei("1000000000 ether"), 2 ** 256 - 1, 50, {"from": gov}
)
dai.approve(gov, Wei("1000000 ether"), {"from": gov})
dai.transferFrom(gov, bob, Wei("1000 ether"), {"from": gov})
dai.transferFrom(gov, alice, Wei("4000 ether"), {"from": gov})
dai.transferFrom(gov, tinytim, Wei("10 ether"), {"from":gov})
dai.approve(yUSDT3, Wei("1000000 ether"), {"from": bob})
dai.approve(yUSDT3, Wei("1000000 ether"), {"from": alice})
dai.approve(yUSDT3, Wei("1000000 ether"), {"from": tinytim})
crv3.approve(gov, Wei("1000000 ether"), {"from": gov})
yUSDT3.approve(gov, Wei("1000000 ether"), {"from": gov})
crv3.approve(yCRV3, Wei("1000000 ether"), {"from": gov})
dai.approve(threePool, Wei("1000000 ether"), {"from": gov})
# users deposit to vault
yUSDT3.deposit(Wei("1000 ether"), {"from": bob})
yUSDT3.deposit(Wei("4000 ether"), {"from": alice})
yUSDT3.deposit(Wei("10 ether"), {"from": tinytim})
# a = dai.balanceOf(address(bob))
# b = dai.balanceOf(address(alice))
# print(a)
# print(b)
chain.mine(1)
strategy.harvest({"from": gov})
chain.mine(10)
crv3.transferFrom(gov, yCRV3, Wei("100 ether"), {"from": gov})
strategy.harvest({"from": gov})
chain.mine(10)
assert 1 == 2
yUSDT3.withdraw({"from": alice})
assert dai.balanceOf(alice) > 0
assert dai.balanceOf(strategy) == 0
assert dai.balanceOf(bob) == 0
yUSDT3.withdraw({"from": bob})
assert dai.balanceOf(bob) > 0
assert dai.balanceOf(strategy) == 0
assert 1 == 2
def __init__(self,
badger,
multi,
key,
distributions,
start=0,
duration=0,
end=0):
# == Distribute to Geyser ==
geyser = badger.getGeyser(key)
rewardsEscrow = badger.rewardsEscrow
self.start = start
self.duration = duration
self.end = end
multi = GnosisSafe(badger.devMultisig)
for asset, dist in distributions.items():
token = asset_to_address(asset)
self.validate_staking_rewards_emission(key, asset)
stakingRewards = badger.getSettRewards(key)
console.print(
"Staking Rewards Distribution for asset {} on {}: {}".format(
asset, key, val(dist)),
style="yellow",
)
# Approve if not approved
if not rewardsEscrow.isApproved(stakingRewards):
id = multi.addTx(
MultisigTxMetadata(
description="Approve StakingRewards " + key,
operation="transfer",
),
{
"to":
rewardsEscrow.address,
"data":
rewardsEscrow.approveRecipient.encode_input(
stakingRewards),
},
)
multi.executeTx(id)
assert rewardsEscrow.isApproved(stakingRewards) == True
# Add tokens if insufficent tokens
preBal = badger.token.balanceOf(stakingRewards)
print("PreBalance", val(preBal))
if preBal < dist:
required = dist - preBal
console.print(
"⊁ We need to add {} to the {} Badger supply of {} to reach the goal of {} Badger"
.format(
val(required),
key,
val(preBal),
val(dist),
),
style="blue",
)
id = multi.addTx(
MultisigTxMetadata(
description="Top up tokens for staking rewards " + key,
operation="transfer",
),
{
"to":
rewardsEscrow.address,
"data":
rewardsEscrow.transfer.encode_input(
badger.token, stakingRewards, required),
},
)
multi.executeTx(id)
assert badger.token.balanceOf(stakingRewards) >= dist
# Modify the rewards duration, if necessary
if stakingRewards.rewardsDuration() != self.duration:
id = multi.addTx(
MultisigTxMetadata(
description="Modify Staking Rewards duration for " +
key,
operation="call.notifyRewardAmount",
),
{
"to":
stakingRewards.address,
"data":
stakingRewards.setRewardsDuration.encode_input(
self.duration),
},
)
tx = multi.executeTx(id)
# assert stakingRewards.rewardsDuration() == self.duration
# Notify Rewards Amount
id = multi.addTx(
MultisigTxMetadata(
description="Distribute Staking Rewards For " + key,
operation="call.notifyRewardAmount",
),
{
"to":
stakingRewards.address,
"data":
stakingRewards.notifyRewardAmount.encode_input(
self.start,
dist,
),
},
)
tx = multi.executeTx(id)
console.print(tx.call_trace())
console.print("notify rewards events", tx.events)
# Verify Results
rewardsDuration = stakingRewards.rewardsDuration()
rewardRate = stakingRewards.rewardRate()
periodFinish = stakingRewards.periodFinish()
lastUpdate = stakingRewards.lastUpdateTime()
oldRewardsRate = Wei("50000 ether") // rewardsDuration
console.log({
"start":
to_utc_date(self.start),
"end":
to_utc_date(self.end),
"finish":
to_utc_date(periodFinish),
"rewardRate":
rewardRate,
"expectedRewardRate":
dist // rewardsDuration,
"rewardsRateDiff":
rewardRate - dist // rewardsDuration,
"oldRewardsRate":
oldRewardsRate,
"howTheRateChanged":
(dist // rewardsDuration) / oldRewardsRate,
"howWeExpectedItToChange":
Wei("35000 ether") / Wei("50000 ether"),
"lastUpdate":
to_utc_date(lastUpdate),
})
assert lastUpdate == self.start
assert rewardsDuration == self.duration
assert rewardRate == dist // rewardsDuration
assert periodFinish == self.start + self.duration
bal = badger.token.balanceOf(stakingRewards)
assert bal >= dist
if bal > dist * 2:
console.print(
"[red] Warning: Staking rewards for {} has excessive coins [/red]"
.format(key))
# Harvest the rewards and ensure the amount updated is appropriate
strategy = badger.getStrategy(key)
keeper = accounts.at(strategy.keeper(), force=True)
before = strategy.balance()
chain.sleep(self.start - chain.time() + 2)
strategy.harvest({"from": keeper})
after = strategy.balance()
print({"before": before, "after": after})
}
EMERGENCY_DAO = {
'forwarder': "0xf409Ce40B5bb1e4Ef8e97b1979629859c6d5481f",
'agent': "0x00669DF67E4827FCc0E48A1838a8d5AB79281909",
'voting': "0x1115c9b3168563354137cdc60efb66552dd50678",
'token': "0x4c0947B16FB1f755A2D32EC21A0c4181f711C500",
'quorum': 51,
}
# the intended target of the vote, should be one of the above constant dicts
TARGET = CURVE_DAO
# address to create the vote from - you will need to modify this prior to mainnet use
SENDER = accounts.at("0x9B44473E223f8a3c047AD86f387B80402536B029", force=True)
# a list of calls to perform in the vote, formatted as a lsit of tuples
# in the format (target, function name, *input args).
#
# for example, to call:
# `GaugeController("0x2F50D538606Fa9EDD2B11E2446BEb18C9D5846bB").add_gauge("0xFA712EE4788C042e2B7BB55E6cb8ec569C4530c1", 0, 0)
#
# use the following:
# [("0x2F50D538606Fa9EDD2B11E2446BEb18C9D5846bB", "add_gauge", "0xFA712EE4788C042e2B7BB55E6cb8ec569C4530c1", 0, 0),]
ACTIONS = [
# ("target", "fn_name", *args),
]
# metadata description to include with vote
def governance_timelock():
return accounts.at("0x21CF9b77F88Adf8F8C98d7E33Fe601DC57bC0893",
force=True)