def main():
dai_addr = "0x6B175474E89094C44Da98b954EedeAC495271d0F"
usdc_addr = "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
registry_addr = "0x7D86446dDb609eD0F5f8684AcF30380a356b2B4c"
amount = 100_000 * 10 ** 18
dai = MintableForkToken(dai_addr)
dai._mint_for_testing(accounts[0], amount)
registry = Contract(registry_addr)
pool_addr = registry.find_pool_for_coins(
dai_addr, usdc_addr)
pool = Contract(pool_addr)
dai.approve(pool_addr, amount,
{'from': accounts[0]})
pool.add_liquidity(
[amount, 0, 0], 0,
{'from': accounts[0]})
def main():
dai_addr = "0x6B175474E89094C44Da98b954EedeAC495271d0F"
usdc_addr = "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
registry_addr = "0x7D86446dDb609eD0F5f8684AcF30380a356b2B4c"
amount = 100_000 * 10 ** 18
dai = MintableForkToken(dai_addr)
dai._mint_for_testing(accounts[0], amount)
registry = Contract(registry_addr)
pool_addr = registry.find_pool_for_coins(dai_addr, usdc_addr)
pool = Contract(pool_addr)
dai.approve(pool_addr, amount, {"from": accounts[0]})
pool.add_liquidity([amount, 0, 0], 0, {"from": accounts[0]})
gauges = registry.get_gauges(pool_addr)
gauge_addr = gauges[0][0]
gauge_contract = interface.LiquidityGauge(gauge_addr)
lp_token = MintableForkToken(gauge_contract.lp_token())
lp_token.approve(gauge_addr, amount, {"from": accounts[0]})
gauge_contract.deposit(lp_token.balanceOf(accounts[0]), {"from": accounts[0]})
def test_operation(pm, chain):
dai_liquidity = accounts.at("0xbebc44782c7db0a1a60cb6fe97d0b483032ff1c7",
force=True) # using curve pool (lots of dai)
crv3_liquidity = accounts.at("0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490",
force=True) # yearn treasury (lots of crv3)
crv_liquidity = accounts.at(
"0xD533a949740bb3306d119CC777fa900bA034cd52",
force=True) # using curve vesting (lots of crv)
weth_liquidity = accounts.at("0x2F0b23f53734252Bda2277357e97e1517d6B042A",
force=True) # using MKR (lots of weth)
rewards = accounts[2]
gov = accounts[3]
guardian = accounts[4]
bob = accounts[5]
alice = accounts[6]
strategist = accounts[7]
tinytim = accounts[8]
proxy = accounts[9]
# dai approval
dai = Contract("0x6b175474e89094c44da98b954eedeac495271d0f",
owner=gov) # DAI token
dai.approve(dai_liquidity, Wei("1000000 ether"), {"from": dai_liquidity})
dai.transferFrom(dai_liquidity, gov, Wei("300000 ether"),
{"from": dai_liquidity})
threePool = Contract("0xbEbc44782C7dB0a1A60Cb6fe97d0b483032FF1C7",
owner=gov) # crv3 pool address (threePool)
#yCRV3 = Contract(
# "0x9cA85572E6A3EbF24dEDd195623F188735A5179f", owner=gov
#) # crv3 vault (threePool)
unirouter = Contract.from_explorer(
"0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D",
owner=gov) # UNI router v2
proxy = Contract.from_explorer(
"0xc17adf949f524213a540609c386035d7d685b16f",
owner=gov) # StrategyProxy
gauge = Contract.from_explorer(
"0xbFcF63294aD7105dEa65aA58F8AE5BE2D9d0952A",
owner=gov) # threePool gauge
govProxy = Contract.from_explorer(
"0xFEB4acf3df3cDEA7399794D0869ef76A6EfAff52",
owner=gov) # threePool gauge
dai.approve(threePool, Wei("1000000 ether"), {"from": gov})
#crv3 approval
crv3 = Contract("0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490",
owner=gov) # crv3 token address (threePool token)
#depositing DAI to generate crv3 tokens.
crv3.approve(crv3_liquidity, Wei("1000000 ether"),
{"from": crv3_liquidity})
threePool.add_liquidity([Wei("200000 ether"), 0, 0], 0, {"from": gov})
#crv approval
crv = Contract("0xD533a949740bb3306d119CC777fa900bA034cd52",
owner=gov) # crv token address (DAO token)
crv.approve(crv_liquidity, Wei("1000000 ether"), {"from": crv_liquidity})
crv.transferFrom(crv_liquidity, gov, Wei("10000 ether"),
{"from": crv_liquidity})
#weth approval
weth = Contract("0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2",
owner=gov) # weth token address
weth.approve(weth_liquidity, Wei("1000000 ether"),
{"from": weth_liquidity})
weth.transferFrom(weth_liquidity, gov, Wei("10000 ether"),
{"from": weth_liquidity})
# config yvCRV3 vault.
Vault = pm(config["dependencies"][0]).Vault
yCRV3 = Vault.deploy({"from": gov})
yCRV3.initialize(crv3, gov, rewards, "", "")
yCRV3.setDepositLimit(Wei("1000000 ether"))
strategy = guardian.deploy(Strategy3Poolv2, yCRV3, dai, threePool, crv3,
crv, unirouter, weth, proxy, gauge)
strategy.setStrategist(strategist)
yCRV3.addStrategy(strategy, 10_000, 0, 0, {"from": gov})
#setup for crv3
crv3.approve(gov, Wei("1000000 ether"), {"from": gov})
crv3.transferFrom(gov, bob, Wei("1000 ether"), {"from": gov})
crv3.transferFrom(gov, alice, Wei("4000 ether"), {"from": gov})
crv3.transferFrom(gov, tinytim, Wei("10 ether"), {"from": gov})
crv3.approve(yCRV3, Wei("1000000 ether"), {"from": bob})
crv3.approve(yCRV3, Wei("1000000 ether"), {"from": alice})
crv3.approve(yCRV3, Wei("1000000 ether"), {"from": tinytim})
#setup for dai
dai.approve(gov, Wei("1000000 ether"), {"from": gov})
dai.approve(threePool, Wei("1000000 ether"), {"from": gov})
dai.approve(threePool, Wei("1000000 ether"), {"from": strategy})
#setup for crv
crv.approve(gov, Wei("1000000 ether"), {"from": gov})
#setup for weth
weth.approve(gov, Wei("1000000 ether"), {"from": gov})
proxy.approveStrategy(strategy, {"from": govProxy, "gas limit": 120000000})
# users deposit to vault
yCRV3.deposit(Wei("1000 ether"), {"from": bob})
yCRV3.deposit(Wei("4000 ether"), {"from": alice})
yCRV3.deposit(Wei("10 ether"), {"from": tinytim})
chain.mine(1)
assert crv3.balanceOf(yCRV3) > 1
assert crv3.balanceOf(alice) == 0
assert yCRV3.balanceOf(alice) > 0
a = yCRV3.pricePerShare()
strategy.harvest({"from": gov})
chain.mine(10)
crv3.transferFrom(gov, yCRV3, Wei("1000 ether"), {"from": gov})
strategy.harvest({"from": gov})
chain.mine(10)
assert crv3.balanceOf(strategy) == 0
# there's already crv3 from the existing strategy. It will be counted as profit.
b = yCRV3.pricePerShare()
assert b > a
#crv sent to strategy to mimic profit
crv.transferFrom(gov, strategy, Wei("10000 ether"), {"from": gov})
chain.mine(1)
strategy.harvest({"from": gov})
chain.mine(1)
#second harvest to move crv3 back to strategy and increase strat debt
strategy.harvest({"from": gov})
chain.mine(1)
assert crv.balanceOf(strategy) == 0
c = yCRV3.pricePerShare()
assert c > b
yCRV3.withdraw({"from": alice})
assert crv3.balanceOf(alice) > 0
assert crv3.balanceOf(strategy) == 0
assert crv3.balanceOf(bob) == 0
yCRV3.withdraw({"from": bob})
assert crv3.balanceOf(bob) > 0
assert crv3.balanceOf(strategy) == 0
yCRV3.withdraw({"from": tinytim})
assert crv3.balanceOf(tinytim) > 0
assert crv3.balanceOf(strategy) == 0
pass