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 = [
# lp tokens
[Tokens.bal_perp_usdc, [14886, 6718, 10250]],
]
token_list_2, param_list = zip(*oracle_params)
proxy_oracle.setOracles(token_list_2, param_list, {'from': deployer})
proxy_oracle.unsetOracles([Tokens.bal_dai_weth], {'from': deployer})
print('DONE')
###########################################################
# test spells (UNCOMMENT TO TEST)
for token in [
Tokens.weth, Tokens.dai, Tokens.usdc, Tokens.usdt, Tokens.dpi,
Tokens.yfi, Tokens.snx, Tokens.susd
]:
token = interface.IERC20Ex(token)
deposit_safebox(token)
bank = HomoraBank.at('0x5f5Cd91070960D13ee549C9CC47e7a4Cd00457bb')
uniswap_spell = UniswapV2SpellV1.at(
'0xc671B7251a789de0835a2fa33c83c8D4afB39092')
sushiswap_spell = SushiswapSpellV1.at(
'0x21Fa95485f4571A3a0d0c396561cF4D8D13D445d')
balancer_spell = BalancerSpellV1.at(
'0x15B79c184A6a8E19a4CA1F637081270343E4D15D')
curve_spell = CurveSpellV1.at('0x42C750024E02816eE32EB2eB4DA79ff5BF343D30')
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')
kp3r_oracle = ERC20KP3ROracle.at(
'0x8E2A3777AB22e1c5f6d1fF2BcC6C4aA6aB1DeA14')
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')
bank_impl = HomoraBank.at('0x95ab3Ca8133b47f16f47F6A79410680fE87a6139')
proxy_admin = Contract.from_explorer(
'0x090eCE252cEc5998Db765073D07fac77b8e60CB2')
bank = HomoraBank.at('0x5f5Cd91070960D13ee549C9CC47e7a4Cd00457bb')
proxy_admin.upgrade(bank, bank_impl, {'from': deployer})
bank.setOracle(proxy_oracle, {'from': deployer})
uniswap_spell = UniswapV2SpellV1.deploy(
bank,
werc20,
'0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D',
{'from': deployer},
)
sushiswap_spell = SushiswapSpellV1.deploy(
bank,
werc20,
'0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F',
wmas,
{'from': deployer},
)
balancer_spell = BalancerSpellV1.at(
'0x15B79c184A6a8E19a4CA1F637081270343E4D15D')
curve_spell = CurveSpellV1.deploy(
bank,
werc20,
'0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2',
wliq,
{'from': deployer},
)
print('DONE')
def main():
admin = accounts[0]
alice = accounts[1]
dai = interface.IERC20Ex('0x6B175474E89094C44Da98b954EedeAC495271d0F')
usdc = interface.IERC20Ex('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
eth_usdt = interface.IERC20Ex('0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852')
eth_usdc = interface.IERC20Ex('0xb4e16d0168e52d35cacd2c6185b44281ec28c9dc')
usdt_usdc = interface.IERC20Ex(
'0x3041cbd36888becc7bbcbc0045e3b1f144466f5f')
uni_pair = interface.IUniswapV2Pair(
'0xa478c2975ab1ea89e8196811f51a7b7ade33eb11')
resA, resB, _ = uni_pair.getReserves()
if uni_pair.token0() == weth:
weth_price = resB * 10**18 // resA
else:
weth_price = resA * 10**18 // resB
print('weth price', weth_price)
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([dai, usdt, usdc, weth], [
2**112 * 10**18 // weth_price, 2**112 * 10**30 // weth_price,
2**112 * 10**30 // weth_price, 2**112
])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
# expected ~100k * 2**112
print('ETH-USDT LP:', uniswap_oracle.getETHPx(eth_usdt))
# expected ~100k * 2**112
print('ETH-USDC LP:', uniswap_oracle.getETHPx(eth_usdc))
# expected ~3.8e9 * 2**112
print('USDT-USDC LP:', uniswap_oracle.getETHPx(usdt_usdc))
assert almostEqual(
uniswap_oracle.getETHPx(eth_usdt),
weth.balanceOf(eth_usdt) * 2 * 2**112 // eth_usdt.totalSupply())
assert almostEqual(
uniswap_oracle.getETHPx(eth_usdc),
weth.balanceOf(eth_usdc) * 2 * 2**112 // eth_usdc.totalSupply())
assert almostEqual(
uniswap_oracle.getETHPx(usdt_usdc),
usdt.balanceOf(usdt_usdc) * 2 * simple_oracle.getETHPx(usdt) //
usdt_usdc.totalSupply())
def main():
admin = accounts[0]
alice = accounts[1]
dai = interface.IERC20Ex('0x6B175474E89094C44Da98b954EedeAC495271d0F')
usdc = interface.IERC20Ex('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
eth_usdt = interface.IERC20Ex('0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852')
eth_usdc = interface.IERC20Ex('0xb4e16d0168e52d35cacd2c6185b44281ec28c9dc')
usdt_usdc = interface.IERC20Ex(
'0x3041cbd36888becc7bbcbc0045e3b1f144466f5f')
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx([dai, usdt, usdc, weth], [
9060553589188986552095106856227,
9002288773315920458132820329673073223442669,
9011535487953795006625883219171279625142296, 2**112
])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
# expected ~100k * 2**112
print('ETH-USDT LP:', uniswap_oracle.getETHPx(eth_usdt))
# expected ~100k * 2**112
print('ETH-USDC LP:', uniswap_oracle.getETHPx(eth_usdc))
# expected ~3.8e9 * 2**112
print('USDT-USDC LP:', uniswap_oracle.getETHPx(usdt_usdc))
assert almostEqual(
uniswap_oracle.getETHPx(eth_usdt),
weth.balanceOf(eth_usdt) * 2 * 2**112 // eth_usdt.totalSupply())
assert almostEqual(
uniswap_oracle.getETHPx(eth_usdc),
weth.balanceOf(eth_usdc) * 2 * 2**112 // eth_usdc.totalSupply())
assert almostEqual(
uniswap_oracle.getETHPx(usdt_usdc),
usdt.balanceOf(usdt_usdc) * 2 * simple_oracle.getETHPx(usdt) //
usdt_usdc.totalSupply())
def main():
deployer = accounts.load('deployer')
oracle = ERC20KP3ROracle.deploy(
'0x73353801921417F465377c8d898c6f4C0270282C',
{'from': deployer},
)
lp_oracle = UniswapV2Oracle.deploy(oracle, {'from': deployer})
# usdt
data = oracle.getETHPx('0xdac17f958d2ee523a2206206994597c13d831ec7')
print(data)
print(1 / (data / (2**112)))
# usdc
data = oracle.getETHPx('0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48')
print(data)
print(1 / (data / (2**112)))
# usdt-usdc
data = lp_oracle.getETHPx('0x3041cbd36888becc7bbcbc0045e3b1f144466f5f')
print(data)
print(data / (2**112))
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 = [
# lp tokens
[Tokens.bal_dai_weth, [12616, 7927, 10250]],
]
token_list_2, param_list = zip(*oracle_params)
proxy_oracle.setOracles(token_list_2, param_list, {'from': deployer})
print('DONE')
def main():
admin = accounts[0]
alice = accounts[1]
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
lp = interface.IERC20Ex('0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
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, weth], [9011535487953795006625883219171279625142296, 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], 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)
# 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)
# 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})
uniswap_spell = UniswapV2SpellV1.deploy(homora, werc20, router,
{'from': admin})
# first time call to reduce gas
uniswap_spell.getPair(weth, usdt, {'from': admin})
# whitelist spell in bank
homora.setWhitelistSpells([uniswap_spell], [True], {'from': admin})
# whitelist lp in spell
uniswap_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**16
borrow_usdt_amt = 0
borrow_weth_amt = 0
tx = homora.execute(
0,
uniswap_spell,
uniswap_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(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(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(uniswap_spell) == 0, 'non-zero spell USDT 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_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'
#####################################################################################
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 = 1 * 10**16
lp_want = 1 * 10**15
usdt_repay = 2**256 - 1 # max
weth_repay = 0
real_usdt_repay = homora.borrowBalanceStored(1, usdt)
tx = homora.execute(
1,
uniswap_spell,
uniswap_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(uniswap_spell))
print('spell usdt balance', usdt.balanceOf(uniswap_spell))
print('spell weth balance', weth.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)
_, _, _, 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(uniswap_spell) == 0, 'non-zero spell USDT 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 + 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'
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')
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})
#####################################################################################
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.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 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)
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(1)
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(
1,
uniswap_spell,
uniswap_spell.removeLiquidityWERC20.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)
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)
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 = 10**18
borrow_weth_amt = 0
real_dpi_borrow_amt = borrow_dpi_amt
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 = 2**256 - 1
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 + real_dpi_borrow_amt,
-(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():
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.deploy(
'0xf67Ab1c914deE06Ba0F264031885Ea7B276a7cDa', {'from': deployer})
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
token_oracle_settings = [
# base tokens
[Tokens.weth, uni_kp3r_oracle],
[Tokens.dai, uni_kp3r_oracle],
[Tokens.usdc, uni_kp3r_oracle],
[Tokens.usdt, uni_kp3r_oracle],
[Tokens.dpi, uni_kp3r_oracle],
[Tokens.yfi, sushi_kp3r_oracle],
[Tokens.perp, uni_kp3r_oracle],
[Tokens.snx, sushi_kp3r_oracle],
[Tokens.susd, sushi_kp3r_oracle],
[Tokens.uni, uni_kp3r_oracle],
[Tokens.sushi, sushi_kp3r_oracle],
# lp tokens
[Tokens.uni_eth_yfi, uni_oracle],
[Tokens.sushi_eth_yfi, uni_oracle],
[Tokens.uni_eth_dpi, uni_oracle],
[Tokens.crv_3pool, crv_oracle],
[Tokens.sushi_eth_dpi, uni_oracle],
[Tokens.uni_eth_snx, uni_oracle],
[Tokens.uni_eth_susd, uni_oracle],
[Tokens.sushi_eth_susd, uni_oracle],
[Tokens.sushi_eth_snx, uni_oracle],
[Tokens.crv_susd, crv_oracle],
[Tokens.sushi_eth_sushi, uni_oracle],
[Tokens.uni_eth_uni, uni_oracle],
[Tokens.bal_perp_usdc, bal_oracle],
]
token_list, oracle_list = zip(*token_oracle_settings)
# re-route to new uniswap oracle
core_oracle.setRoute(token_list, oracle_list, {'from': deployer})
# re-set oracles
oracle_params = [
# base tokens
[Tokens.weth, [17158, 5828, 12500]],
[Tokens.dai, [10790, 9268, 12500]],
[Tokens.usdc, [10651, 9389, 12500]],
[Tokens.usdt, [10743, 9308, 12500]],
[Tokens.dpi, [16195, 6175, 12500]],
[Tokens.yfi, [29155, 3430, 12500]],
[Tokens.perp, [20042, 4989, 12500]],
[Tokens.snx, [18162, 5506, 12500]],
[Tokens.susd, [12129, 8245, 12500]],
[Tokens.uni, [16022, 6241, 12500]],
[Tokens.sushi, [19418, 5150, 12500]],
# lp tokens
[Tokens.uni_eth_dpi, [17158, 5828, 12500]],
[Tokens.uni_eth_yfi, [29155, 3430, 12500]],
[Tokens.uni_eth_snx, [18162, 5506, 12500]],
[Tokens.uni_eth_susd, [17158, 5828, 12500]],
[Tokens.uni_eth_uni, [17158, 5828, 12500]],
[Tokens.sushi_eth_dpi, [17158, 5828, 12500]],
[Tokens.sushi_eth_yfi, [29155, 3430, 12500]],
[Tokens.sushi_eth_snx, [18162, 5506, 12500]],
[Tokens.sushi_eth_susd, [17158, 5828, 12500]],
[Tokens.sushi_eth_sushi, [19418, 5150, 12500]],
[Tokens.bal_perp_usdc, [20042, 4989, 12500]],
[Tokens.crv_3pool, [10790, 9268, 12500]],
[Tokens.crv_susd, [12129, 8245, 12500]],
]
token_list_2, param_list = zip(*oracle_params)
proxy_oracle.setOracles(token_list_2, param_list, {'from': deployer})
print('DONE')
###########################################################
# test spells (UNCOMMENT TO TEST)
bank = HomoraBank.at('0x5f5Cd91070960D13ee549C9CC47e7a4Cd00457bb')
uniswap_spell = UniswapV2SpellV1.at('0xc671B7251a789de0835a2fa33c83c8D4afB39092')
sushiswap_spell = SushiswapSpellV1.at('0x21Fa95485f4571A3a0d0c396561cF4D8D13D445d')
balancer_spell = BalancerSpellV1.at('0x15B79c184A6a8E19a4CA1F637081270343E4D15D')
curve_spell = CurveSpellV1.at('0x42C750024E02816eE32EB2eB4DA79ff5BF343D30')
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')
kp3r_oracle = ERC20KP3ROracle.at('0x8E2A3777AB22e1c5f6d1fF2BcC6C4aA6aB1DeA14')
core_oracle = CoreOracle.at('0x1E5BDdd0cDF8839d6b27b34927869eF0AD7bf692')
uni_oracle = UniswapV2Oracle.deploy(core_oracle, {'from': deployer})
bal_oracle = BalancerPairOracle.at('0x8F93B0AA2643bf74ab38d6a5910fA82D2da02134')
crv_oracle = CurveOracle.at('0x04DE0E42B3b0483248deafE86C4F5428613b76Ff')
proxy_oracle = ProxyOracle.deploy(core_oracle, {'from': deployer})
# re-route to new uniswap oracle
core_oracle.setRoute([
'0x0bc529c00C6401aEF6D220BE8C6Ea1667F6Ad93e', # YFI
'0xA478c2975Ab1Ea89e8196811F51A7B7Ade33eB11', # UNI DAI-WETH
'0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852', # UNI WETH-USDT
'0xB4e16d0168e52d35CaCD2c6185b44281Ec28C9Dc', # UNI USDC-WETH
'0xBb2b8038a1640196FbE3e38816F3e67Cba72D940', # UNI WBTC-WETH
'0x2fDbAdf3C4D5A8666Bc06645B8358ab803996E28', # UNI WETH-YFI
'0x4d5ef58aAc27d99935E5b6B4A6778ff292059991', # UNI DPI-WETH
'0x06da0fd433C1A5d7a4faa01111c044910A184553', # SUSHI WETH-USDT
'0x088ee5007C98a9677165D78dD2109AE4a3D04d0C', # SUSHI WETH-YFI
'0x34b13F8CD184F55d0Bd4Dd1fe6C07D46f245c7eD', # SUSHI DPI-WETH
], [
kp3r_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
], {'from': deployer})
# re-set oracles
proxy_oracle.setOracles([
'0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', # WETH
'0x6B175474E89094C44Da98b954EedeAC495271d0F', # DAI
'0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48', # USDC
'0xdAC17F958D2ee523a2206206994597C13D831ec7', # USDT
'0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599', # WBTC
'0x1494CA1F11D487c2bBe4543E90080AeBa4BA3C2b', # DPI
'0x0bc529c00C6401aEF6D220BE8C6Ea1667F6Ad93e', # YFI
'0xA478c2975Ab1Ea89e8196811F51A7B7Ade33eB11', # UNI DAI-WETH
'0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852', # UNI WETH-USDT
'0xB4e16d0168e52d35CaCD2c6185b44281Ec28C9Dc', # UNI USDC-WETH
'0xBb2b8038a1640196FbE3e38816F3e67Cba72D940', # UNI WBTC-WETH
'0x2fDbAdf3C4D5A8666Bc06645B8358ab803996E28', # UNI WETH-YFI
'0x4d5ef58aAc27d99935E5b6B4A6778ff292059991', # UNI DPI-WETH
'0x06da0fd433C1A5d7a4faa01111c044910A184553', # SUSHI WETH-USDT
'0x088ee5007C98a9677165D78dD2109AE4a3D04d0C', # SUSHI WETH-YFI
'0x34b13F8CD184F55d0Bd4Dd1fe6C07D46f245c7eD', # SUSHI DPI-WETH
'0x8b6e6E7B5b3801FEd2CaFD4b22b8A16c2F2Db21a', # BAL WETH-DAI 80-20
'0xF54025aF2dc86809Be1153c1F20D77ADB7e8ecF4', # BAL PERP-USDC 80-20
'0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490', # CRV 3-POOL
], [
[14350, 6970, 10250], # WETH
[10840, 9230, 10250], # DAI
[10840, 9230, 10250], # USDC
[10840, 9230, 10250], # USDT
[14350, 6970, 10250], # WBTC
[50000, 0, 10250], # DPI
[50000, 0, 10250], # YFI
[50000, 6970, 10250], # UNI DAI-WETH
[50000, 6970, 10250], # UNI WETH-USDT
[50000, 6970, 10250], # UNI USDC-WETH
[50000, 6970, 10250], # UNI WBTC-WETH
[50000, 6970, 10250], # UNI WETH-YFI
[50000, 6970, 10250], # UNI DPI-WETH
[50000, 6970, 10250], # SUSHI WETH-USDT
[50000, 6970, 10250], # SUSHI WETH-YFI
[50000, 6970, 10250], # SUSHI DPI-WETH
[50000, 6970, 10250], # BAL WETH-DAI 80-20
[50000, 0, 10250], # BAL PERP-USDC 80-20
[50000, 9230, 10250], # CRV 3-POOL
], {'from': deployer})
proxy_oracle.setWhitelistERC1155(
[werc20, wmas, wliq, wsindex, wsperp],
True,
{'from': deployer},
)
bank_impl = HomoraBank.deploy({'from': deployer})
proxy_admin = Contract.from_explorer('0x090eCE252cEc5998Db765073D07fac77b8e60CB2')
bank = Contract.from_explorer('0x5f5Cd91070960D13ee549C9CC47e7a4Cd00457bb')
proxy_admin.upgrade(bank, bank_impl, {'from': deployer})
bank.setOracle(proxy_oracle, {'from': deployer})
uniswap_spell = UniswapV2SpellV1.deploy(
bank, werc20, '0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D',
{'from': deployer},
)
sushiswap_spell = SushiswapSpellV1.deploy(
bank, werc20, '0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F', wmas,
{'from': deployer},
)
balancer_spell = BalancerSpellV1.at('0x15B79c184A6a8E19a4CA1F637081270343E4D15D')
curve_spell = CurveSpellV1.deploy(
bank, werc20, '0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', wliq,
{'from': deployer},
)
print('DONE')
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')
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**18
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'
# #####################################################################################
print('=========================================================================')
print('Case 2. harvest first time')
prevIndexBalance = index.balanceOf(alice)
print('Alice INDEX balance before harvest', prevIndexBalance)
_, _, 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)
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.harvestWStakingRewards.encode_input(wstaking),
{'from': alice}
)
print('tx gas used', tx.gas_used)
curIndexBalance = index.balanceOf(alice)
print('Alice INDEX balance after harvest', curIndexBalance)
receivedIndex = curIndexBalance - prevIndexBalance
# check with staking directly
tx = interface.IStakingRewards(staking).getReward({'from': bob})
receivedIndexFromStaking = index.balanceOf(bob) - prevIndex
print('receivedIndexFromStaking', receivedIndexFromStaking)
assert almostEqual(receivedIndex, receivedIndexFromStaking)
# #####################################################################################
print('=========================================================================')
print('Case 3. harvest second time')
prevIndexBalance = index.balanceOf(alice)
print('Alice INDEX balance before harvest', prevIndexBalance)
prevIndex = index.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
chain.sleep(20000)
tx = homora.execute(
1,
uniswap_spell,
uniswap_spell.harvestWStakingRewards.encode_input(wstaking),
{'from': alice}
)
print('tx gas used', tx.gas_used)
curIndexBalance = index.balanceOf(alice)
print('Alice INDEX balance after harvest', curIndexBalance)
receivedIndex = curIndexBalance - prevIndexBalance
# 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]
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 10^6 USDT + 10^6 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})
#####################################################################################
# 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.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 0 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)
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.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
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)
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)
# assert position_id
assert position_id == 1 # position doesn't increase
# 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(position_id)
lp_take_amt = collSize // 2
lp_want = 1 * 10**5
usdt_repay = MAX_INT
usdc_repay = MAX_INT
tx = homora.execute(
position_id,
uniswap_spell,
uniswap_spell.removeLiquidity.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(position_id)
lp_take_amt = MAX_INT
lp_want = 1 * 10**5
usdt_repay = MAX_INT
usdc_repay = MAX_INT
tx = homora.execute(
position_id,
uniswap_spell,
uniswap_spell.removeLiquidity.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.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
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('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(position_id)
lp_take_amt = MAX_INT # max
lp_want = 0
usdt_repay = 0 # max
usdc_repay = 0 # max
tx = homora.execute(
position_id,
uniswap_spell,
uniswap_spell.removeLiquidity.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]
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})
#####################################################################################
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():
deployer = accounts.at('0xB593d82d53e2c187dc49673709a6E9f806cdC835', force=True)
# deployer = accounts.load('gh')
werc20 = WERC20.deploy({'from': deployer})
wmas = WMasterChef.deploy(MASTERCHEF, {'from': deployer})
wliq = WLiquidityGauge.deploy(CRV_REGISTRY, CRV_TOKEN, {'from': deployer})
wsindex = WStakingRewards.deploy(
'0xB93b505Ed567982E2b6756177ddD23ab5745f309',
'0x4d5ef58aAc27d99935E5b6B4A6778ff292059991', # UNI DPI-WETH
'0x0954906da0Bf32d5479e25f46056d22f08464cab', # INDEX
{'from': deployer},
)
wsperp = WStakingRewards.deploy(
'0xb9840a4a8a671f79de3df3b812feeb38047ce552',
'0xF54025aF2dc86809Be1153c1F20D77ADB7e8ecF4', # BAL PERP-USDC 80-20
'0xbC396689893D065F41bc2C6EcbeE5e0085233447', # PERP
{'from': deployer},
)
kp3r_oracle = ERC20KP3ROracle.deploy(KP3R_NETWORK, {'from': deployer})
core_oracle = CoreOracle.deploy({'from': deployer})
uni_oracle = UniswapV2Oracle.deploy(core_oracle, {'from': deployer})
bal_oracle = BalancerPairOracle.deploy(core_oracle, {'from': deployer})
crv_oracle = CurveOracle.deploy(core_oracle, CRV_REGISTRY, {'from': deployer})
proxy_oracle = ProxyOracle.deploy(core_oracle, {'from': deployer})
core_oracle.setRoute([
'0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE', # ETH
'0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', # WETH
'0x6b175474e89094c44da98b954eedeac495271d0f', # DAI
'0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48', # USDC
'0xdac17f958d2ee523a2206206994597c13d831ec7', # USDT
'0x2260fac5e5542a773aa44fbcfedf7c193bc2c599', # WBTC
'0x1494ca1f11d487c2bbe4543e90080aeba4ba3c2b', # DPI
'0xbC396689893D065F41bc2C6EcbeE5e0085233447', # PERP
'0xc011a73ee8576fb46f5e1c5751ca3b9fe0af2a6f', # SNX
'0xa478c2975ab1ea89e8196811f51a7b7ade33eb11', # UNI DAI-WETH
'0x0d4a11d5eeaac28ec3f61d100daf4d40471f1852', # UNI WETH-USDT
'0xb4e16d0168e52d35cacd2c6185b44281ec28c9dc', # UNI USDC-WETH
'0xbb2b8038a1640196fbe3e38816f3e67cba72d940', # UNI WBTC-WETH
'0x4d5ef58aac27d99935e5b6b4a6778ff292059991', # UNI DPI-WETH
'0x06da0fd433c1a5d7a4faa01111c044910a184553', # SUSHI WETH-USDT
'0x8b6e6e7b5b3801fed2cafd4b22b8a16c2f2db21a', # BAL WETH-DAI 80-20
'0xf54025af2dc86809be1153c1f20d77adb7e8ecf4', # BAL PERP-USDC 80-20
'0x6c3f90f043a72fa612cbac8115ee7e52bde6e490', # CRV 3-POOL
], [
kp3r_oracle,
kp3r_oracle,
kp3r_oracle,
kp3r_oracle,
kp3r_oracle,
kp3r_oracle,
kp3r_oracle,
kp3r_oracle,
kp3r_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
uni_oracle,
bal_oracle,
bal_oracle,
crv_oracle,
], {'from': deployer})
proxy_oracle.setOracles([
'0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', # WETH
'0x6b175474e89094c44da98b954eedeac495271d0f', # DAI
'0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48', # USDC
'0xdac17f958d2ee523a2206206994597c13d831ec7', # USDT
'0x2260fac5e5542a773aa44fbcfedf7c193bc2c599', # WBTC
'0x1494ca1f11d487c2bbe4543e90080aeba4ba3c2b', # DPI
'0xbC396689893D065F41bc2C6EcbeE5e0085233447', # PERP
'0xc011a73ee8576fb46f5e1c5751ca3b9fe0af2a6f', # SNX
'0xa478c2975ab1ea89e8196811f51a7b7ade33eb11', # UNI DAI-WETH
'0x0d4a11d5eeaac28ec3f61d100daf4d40471f1852', # UNI WETH-USDT
'0xb4e16d0168e52d35cacd2c6185b44281ec28c9dc', # UNI USDC-WETH
'0xbb2b8038a1640196fbe3e38816f3e67cba72d940', # UNI WBTC-WETH
'0x4d5ef58aac27d99935e5b6b4a6778ff292059991', # UNI DPI-WETH
'0x06da0fd433c1a5d7a4faa01111c044910a184553', # SUSHI WETH-USDT
'0x8b6e6e7b5b3801fed2cafd4b22b8a16c2f2db21a', # BAL WETH-DAI 80-20
'0xf54025af2dc86809be1153c1f20d77adb7e8ecf4', # BAL PERP-USDC 80-20
'0x6c3f90f043a72fa612cbac8115ee7e52bde6e490', # CRV 3-POOL
], [
[12500, 8000, 10250],
[10500, 9500, 10250],
[10500, 9500, 10250],
[10500, 9500, 10250],
[12500, 8000, 10250],
[50000, 0, 10250],
[50000, 0, 10250],
[50000, 0, 10250],
[50000, 8000, 10250],
[50000, 8000, 10250],
[50000, 8000, 10250],
[50000, 8000, 10250],
[50000, 6000, 10250],
[50000, 8000, 10250],
[50000, 8000, 10250],
[50000, 0, 10250],
[50000, 9500, 10250],
], {'from': deployer})
proxy_oracle.setWhitelistERC1155(
[werc20, wmas, wliq, wsindex, wsperp],
True,
{'from': deployer},
)
bank = HomoraBank.at('0x5f5Cd91070960D13ee549C9CC47e7a4Cd00457bb')
bank.setOracle(proxy_oracle, {'from': deployer})
wliq.registerGauge(0, 0, {'from': deployer})
uniswap_spell = UniswapV2SpellV1.deploy(
bank, werc20, '0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D',
{'from': deployer},
)
sushiswap_spell = SushiswapSpellV1.deploy(
bank, werc20, '0xd9e1ce17f2641f24ae83637ab66a2cca9c378b9f', wmas,
{'from': deployer},
)
balancer_spell = BalancerSpellV1.deploy(
bank, werc20, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2',
{'from': deployer},
)
curve_spell = CurveSpellV1.deploy(
bank, werc20, '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2', wliq,
{'from': deployer},
)
# register 3pool
crv_oracle.registerPool('0x6c3f90f043a72fa612cbac8115ee7e52bde6e490')
print('DONE')
def main():
admin = accounts[0]
alice = accounts[1]
bob = accounts[2]
usdt = interface.IERC20Ex('0xdac17f958d2ee523a2206206994597c13d831ec7')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
lp = interface.IERC20Ex('0x06da0fd433C1A5d7a4faa01111c044910A184553')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
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], [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)
# 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})
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')
prevABal = usdt.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevLPBal = lp.balanceOf(alice)
prevLPBal_bank = lp.balanceOf(homora)
prevLPBal_wchef = lp.balanceOf(wchef)
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_wchef = lp.balanceOf(wchef)
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('wchef prev LP balance', prevLPBal_wchef)
print('wchef cur LP balance', curLPBal_wchef)
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'
# #####################################################################################
print(
'========================================================================='
)
print('Case 2. harvest first time')
prevSushiBalance = sushi.balanceOf(alice)
print('Alice SUSHI balance before harvest', prevSushiBalance)
_, _, collId, collSize = homora.getPositionInfo(1)
print('collSize', collSize)
# staking directly
prevSushi = sushi.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
pid = 0
tx = interface.IMasterChef(chef).deposit(pid, collSize, {'from': bob})
chain.mine(100)
tx = homora.execute(1, sushiswap_spell,
sushiswap_spell.harvestWMasterChef.encode_input(),
{'from': alice})
print('tx gas used', tx.gas_used)
curSushiBalance = sushi.balanceOf(alice)
print('Alice SUSHI balance after harvest', curSushiBalance)
receivedSushi = curSushiBalance - prevSushiBalance
# 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)
# #####################################################################################
print(
'========================================================================='
)
print('Case 3. harvest second time')
prevSushiBalance = sushi.balanceOf(alice)
print('Alice SUSHI balance before harvest', prevSushiBalance)
prevSushi = sushi.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
# staking directly
prevSushi = sushi.balanceOf(bob)
print('bob lp balance', interface.IERC20Ex(lp).balanceOf(bob))
pid = 0
tx = interface.IMasterChef(chef).deposit(pid, collSize, {'from': bob})
chain.mine(100)
tx = homora.execute(1, sushiswap_spell,
sushiswap_spell.harvestWMasterChef.encode_input(),
{'from': alice})
print('tx gas used', tx.gas_used)
curSushiBalance = sushi.balanceOf(alice)
print('Alice SUSHI balance after harvest', curSushiBalance)
receivedSushi = curSushiBalance - prevSushiBalance
# check with staking directly
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]
usdt = interface.IERC20Ex('0xdAC17F958D2ee523a2206206994597C13D831ec7')
weth = interface.IERC20Ex('0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2')
lp = interface.IERC20Ex('0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852')
crusdt = interface.ICErc20('0x797AAB1ce7c01eB727ab980762bA88e7133d2157')
router = interface.IUniswapV2Router02(
'0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D')
werc20 = WERC20.deploy({'from': admin})
simple_oracle = SimpleOracle.deploy({'from': admin})
simple_oracle.setETHPx(
[usdt, weth], [9011535487953795006625883219171279625142296, 2**112])
uniswap_oracle = UniswapV2Oracle.deploy(simple_oracle, {'from': admin})
oracle = ProxyOracle.deploy({'from': admin})
oracle.setWhitelistERC1155([werc20], True, {'from': admin})
oracle.setOracles(
[
'0xdAC17F958D2ee523a2206206994597C13D831ec7', # USDT
'0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2', # WETH
'0x0d4a11d5EEaaC28EC3F61d100daF4d40471f1852', # USDT-WETH
],
[
[simple_oracle, 10000, 10000, 10000],
[simple_oracle, 10000, 10000, 10000],
[uniswap_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})
# setup initial funds 10^5 USDT + 10^4 WETH to alice
setup_transfer(
usdt,
accounts.at('0xbe0eb53f46cd790cd13851d5eff43d12404d33e8', force=True),
alice, 10**5 * 10**6)
setup_transfer(
weth,
accounts.at('0x397ff1542f962076d0bfe58ea045ffa2d347aca0', force=True),
alice, 10**4 * 10**18)
# setup initial funds 10^6 USDT + 10^5 WETH to homora bank
setup_transfer(
usdt,
accounts.at('0xbe0eb53f46cd790cd13851d5eff43d12404d33e8', force=True),
homora, 10**6 * 10**6)
setup_transfer(
weth,
accounts.at('0x397ff1542f962076d0bfe58ea045ffa2d347aca0', force=True),
homora, 10**4 * 10**18)
# 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
lp.transfer(
alice, 1 * 10**17, {
'from':
accounts.at('0x767ecb395def19ab8d1b2fcc89b3ddfbed28fd6b',
force=True)
})
lp.transfer(
homora, 2 * 10**17, {
'from':
accounts.at('0x767ecb395def19ab8d1b2fcc89b3ddfbed28fd6b',
force=True)
})
# 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})
uniswap_spell = UniswapV2SpellV1.deploy(homora, werc20, router,
{'from': admin})
# first time call to reduce gas
uniswap_spell.getPair(weth, usdt, {'from': admin})
#####################################################################################
print(
'========================================================================='
)
print('Case 1.')
prevABal = usdt.balanceOf(alice)
prevBBal = weth.balanceOf(alice)
prevETHBal = alice.balance()
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
eth_amt = 10**18
lp_amt = 1 * 10**16
borrow_usdt_amt = 1000 * 10**6
borrow_weth_amt = 0
tx = homora.execute(
0,
uniswap_spell,
uniswap_spell.addLiquidity.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,
'value': eth_amt
})
position_id = tx.return_value
print('position_id', position_id)
curABal = usdt.balanceOf(alice)
curBBal = weth.balanceOf(alice)
curETHBal = alice.balance()
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)
_, _, _, 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)
# alice
assert almostEqual(curABal - prevABal, -usdt_amt), 'incorrect USDT amt'
assert almostEqual(curBBal - prevBBal, -weth_amt), 'incorrect WETH amt'
assert almostEqual(curETHBal - prevETHBal, -eth_amt), 'incorrect ETH amt'
assert curLPBal - prevLPBal == -lp_amt, 'incorrect LP amt'
# spell
assert usdt.balanceOf(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert weth.balanceOf(uniswap_spell) == 0, 'non-zero spell WETH balance'
assert uniswap_spell.balance() == 0, 'non-zero spell ETH balance'
assert lp.balanceOf(uniswap_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 curBBal - prevBBal - borrow_weth_amt - eth_amt == - \
(curBRes - prevBRes), 'not all WETH tokens go to LP pool'
#####################################################################################
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 = 1 * 10**16
lp_want = 1 * 10**15
usdt_repay = 2**256 - 1 # max
weth_repay = 0
real_usdt_repay = homora.borrowBalanceStored(position_id, usdt)
tx = homora.execute(
position_id,
uniswap_spell,
uniswap_spell.removeLiquidity.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
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(uniswap_spell))
print('spell usdt balance', usdt.balanceOf(uniswap_spell))
print('spell weth balance', weth.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)
_, _, _, 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)
# 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(uniswap_spell) == 0, 'non-zero spell USDT balance'
assert weth.balanceOf(uniswap_spell) == 0, 'non-zero spell WETH balance'
assert uniswap_spell.balance() == 0, 'non-zero spell ETH balance'
assert lp.balanceOf(uniswap_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'
return tx