def test_profitable_harvest(
gov,
vault,
strategy,
strategist,
token,
amount,
weth_amount,
yveCrv,
weth,
usdc,
crv3,
chain,
whale_3crv,
user
):
vault_before = token.balanceOf(vault)
strat_before = token.balanceOf(strategy)
token.approve(vault.address, amount, {"from": user})
vault.deposit(amount, {"from": user})
vault_after = token.balanceOf(vault)
showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
strategy.harvest({"from": strategist})
assert token.balanceOf(strategy.address) == amount + vault_before + strat_before
# showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
# Done to fix the UniswapV2: K issue
pairs = [strategy.ethCrvPair(), strategy.ethYvBoostPair(), strategy.ethUsdcPair()]
for pair in pairs:
Contract.from_explorer(pair, owner=strategist).sync()
# Simulate a claim by sending some 3Crv to the strategy before harvest
crv3.transfer(strategy, 1e22, {"from": whale_3crv})
before = token.balanceOf(strategy.address) + token.balanceOf(vault.address)
pps_before = vault.pricePerShare()
strategy.harvest({"from": strategist})
chain.sleep(60*60*6) # sleep to increase pps
chain.mine(1)
print("pps before",pps_before)
print("pps after",vault.pricePerShare())
assert vault.pricePerShare() > pps_before
chain.mine(1)
after = token.balanceOf(strategy.address) + token.balanceOf(vault.address)
showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
print("before",before)
print("after",after)
assert after > before
def test_mint_over_swap(gov, vault, strategy, strategist, token, amount,
weth_amount, yveCrv, weth, usdc, crv3, chain,
whale_3crv, whale_eth, sushiswap, yveCrvContract, crv,
user):
chain.snapshot()
pairs = [
strategy.ethCrvPair(),
strategy.ethYvBoostPair(),
strategy.ethUsdcPair()
]
for pair in pairs:
Contract.from_explorer(pair, owner=strategist).sync()
# Deposit to the vault and harvest
# print(yveCrv.strategies(strategy)) # Strategy params (perf fee, activation, debtraatio, mindebtperharvest, maxdebtperharvest, lastreport, totaldebt)
token.approve(vault.address, amount, {"from": user})
vault.deposit(amount, {"from": user})
showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
# Move deposited funds to vault
strategy.harvest()
showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
# Simulate a claim by sending some 3Crv to the strategy before harvest
crv3.transfer(strategy, 10e21, {"from": whale_3crv})
# Swap a load of ETH for yveCRV to make yveCRV more expensive than CRV
sushiswap.swapExactETHForTokens(
0,
[weth.address, token.address],
whale_eth,
time.time() + 10,
{
"from": whale_eth,
"value": 1e22
},
)
before_shares = yveCrvContract.totalSupply()
strategy.harvest()
after_shares = yveCrvContract.totalSupply()
# showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
assert after_shares > before_shares # Ensure that we didn't mint
def test_profitable_harvest(gov, vault, strategy, token, amount, weth_amount,
yveCrv, weth, usdc, crv3, chain, whale_3crv, user):
token.approve(vault.address, amount, {"from": user})
vault.deposit(amount, {"from": user})
assert token.balanceOf(vault.address) == amount
showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
strategy.harvest()
assert token.balanceOf(strategy.address) == amount
# showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
# Simulate a claim by sending some 3Crv to the strategy before harvest
crv3.transfer(strategy, 10e20, {"from": whale_3crv})
strategy.harvest()
print("\n\n~~After Harvest #2~~")
showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
assert token.balanceOf(strategy.address) > amount
def test_profitable_harvest(gov, vault, strategy, token, amount, weth_amount,
yveCrv, weth, usdc, crv3, chain, whale_3crv, user):
# Deposit to the vault and harvest
# print(yveCrv.strategies(strategy)) # Strategy params (perf fee, activation, debtraatio, mindebtperharvest, maxdebtperharvest, lastreport, totaldebt)
chain.snapshot()
token.approve(vault.address, amount, {"from": user})
vault.deposit(amount, {"from": user})
assert token.balanceOf(vault.address) == amount
showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
strategy.harvest()
assert token.balanceOf(strategy.address) == amount
# showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
# Simulate a claim by sending some 3Crv to the strategy before harvest
crv3.transfer(strategy, 10e20, {"from": whale_3crv})
strategy.harvest()
print("\n\n~~After Harvest #2~~")
showBalances(token, vault, strategy, yveCrv, weth, usdc, crv3)
assert token.balanceOf(strategy.address) > amount
chain.revert()