def describe_vault(vault: Vault):
info = {
'vault balance': vault.vault.balance() / vault.scale,
'share price': vault.vault.getPricePerFullShare() / 1e18,
'vault total': vault.vault.totalSupply() / vault.scale,
'strategy balance': vault.strategy.balanceOf() / vault.scale,
}
# some of the oldest vaults don't implement these methods
if hasattr(vault.vault, 'available'):
info['available'] = vault.vault.available() / vault.scale
if hasattr(vault.vault, 'min') and hasattr(vault.vault, 'max'):
info['strategy buffer'] = vault.vault.min() / vault.vault.max()
# new curve voter proxy vaults
if hasattr(vault.strategy, 'proxy'):
strategy_proxy = interface.StrategyProxy(vault.strategy.proxy())
vote_proxy = interface.CurveYCRVVoter(vault.strategy.voter())
escrow = interface.CurveVotingEscrow(vote_proxy.escrow())
swap = interface.CurveSwap(vault.strategy.curve())
gauge = interface.CurveGauge(vault.strategy.gauge())
info.update(curve.calculate_boost(gauge, vote_proxy))
info.update(curve.calculate_apy(gauge, swap))
if vault.strategy._name == 'StrategyYFIGovernance':
ygov = interface.YearnGovernance(vault.strategy.gov())
info['earned'] = ygov.earned(vault.strategy) / 1e18
info['ygov balance'] = ygov.balanceOf(vault.strategy) / 1e18
return info
def describe(self):
scale = 10**self.decimals
info = {
"vault balance": self.vault.balance() / scale,
"share price": self.vault.getPricePerFullShare() / 1e18,
"vault total": self.vault.totalSupply() / scale,
"strategy balance": self.strategy.balanceOf() / scale,
}
# some of the oldest vaults don't implement these methods
if hasattr(self.vault, "available"):
info["available"] = self.vault.available() / scale
if hasattr(self.vault, "min") and hasattr(self.vault, "max"):
info["strategy buffer"] = self.vault.min() / self.vault.max()
# new curve voter proxy vaults
if hasattr(self.strategy, "proxy"):
vote_proxy = interface.CurveYCRVVoter(self.strategy.voter())
# curve swap is broken across several strategies
swap = interface.CurveSwap(
constants.CURVE_SWAP_OVERRIDES.get(self.strategy._name,
self.strategy.curve()))
gauge = interface.CurveGauge(self.strategy.gauge())
info.update(curve.calculate_boost(gauge, vote_proxy))
info.update(curve.calculate_apy(gauge, swap))
info["earned"] = gauge.claimable_tokens.call(vote_proxy).to(
"ether")
if hasattr(self.strategy, "earned"):
info["lifetime earned"] = self.strategy.earned() / scale
if self.strategy._name == "StrategyYFIGovernance":
ygov = interface.YearnGovernance(self.strategy.gov())
info["earned"] = ygov.earned(self.strategy) / 1e18
info["reward rate"] = ygov.rewardRate() / 1e18
info["ygov balance"] = ygov.balanceOf(self.strategy) / 1e18
info["ygov total"] = ygov.totalSupply() / 1e18
if "token price" not in info:
if self.name in ["aLINK"]:
info["token price"] = uniswap.token_price(
self.vault.underlying())
elif self.name in ["USDC", "TUSD", "DAI", "USDT"]:
info["token price"] = 1
else:
info["token price"] = uniswap.token_price(self.token)
info["tvl"] = info["vault balance"] * info["token price"]
return info
def describe_vault(vault: Vault):
info = {
"vault balance": vault.vault.balance() / vault.scale,
"share price": vault.vault.getPricePerFullShare() / 1e18,
"vault total": vault.vault.totalSupply() / vault.scale,
"strategy balance": vault.strategy.balanceOf() / vault.scale,
}
# some of the oldest vaults don't implement these methods
if hasattr(vault.vault, "available"):
info["available"] = vault.vault.available() / vault.scale
if hasattr(vault.vault, "min") and hasattr(vault.vault, "max"):
info["strategy buffer"] = vault.vault.min() / vault.vault.max()
# new curve voter proxy vaults
if hasattr(vault.strategy, "proxy"):
vote_proxy = interface.CurveYCRVVoter(vault.strategy.voter())
swap_func = {
"StrategyCurveGUSDProxy": "SWAP"
}.get(vault.strategy._name, "curve")
swap = interface.CurveSwap(getattr(vault.strategy, swap_func)())
gauge = interface.CurveGauge(vault.strategy.gauge())
info.update(curve.calculate_boost(gauge, vote_proxy))
info.update(curve.calculate_apy(gauge, swap))
info["earned"] = gauge.claimable_tokens.call(vote_proxy).to("ether")
if hasattr(vault.strategy, "earned"):
info["lifetime earned"] = vault.strategy.earned() / vault.scale
if vault.strategy._name == "StrategyYFIGovernance":
ygov = interface.YearnGovernance(vault.strategy.gov())
info["earned"] = ygov.earned(vault.strategy) / 1e18
info["reward rate"] = ygov.rewardRate() / 1e18
info["ygov balance"] = ygov.balanceOf(vault.strategy) / 1e18
info["ygov total"] = ygov.totalSupply() / 1e18
info["token price"] = uniswap.price_router(vault.token, uniswap.usdc)
return info
def describe(self, block=None):
info = {}
strategy = self.strategy
if block is not None:
strategy = self.get_strategy(block=block)
# attrs are fetches as multicall and populate info
attrs = {
"vault balance": [self.vault, "balance"],
"vault total": [self.vault, "totalSupply"],
"strategy balance": [strategy, "balanceOf"],
"share price": [self.vault, "getPricePerFullShare"],
}
# some of the oldest vaults don't implement these methods
if hasattr(self.vault, "available"):
attrs["available"] = [self.vault, "available"]
if hasattr(self.vault, "min") and hasattr(self.vault, "max"):
attrs["min"] = [self.vault, "min"]
attrs["max"] = [self.vault, "max"]
# new curve voter proxy vaults
if self.is_curve_vault and hasattr(strategy, "proxy"):
vote_proxy, gauge = fetch_multicall(
[strategy, "voter"], # voter is static, can pin
[strategy, "gauge"], # gauge is static per strategy, can cache
block=block,
)
# guard historical queries where there are no vote_proxy and gauge
# for block <= 10635293 (2020-08-11)
if vote_proxy and gauge:
vote_proxy = interface.CurveYCRVVoter(vote_proxy)
gauge = contract(gauge)
info.update(
curve.calculate_boost(gauge, vote_proxy, block=block))
info.update(curve.calculate_apy(gauge, self.token,
block=block))
attrs["earned"] = [gauge, "claimable_tokens",
vote_proxy] # / scale
if hasattr(strategy, "earned"):
attrs["lifetime earned"] = [strategy, "earned"] # /scale
if strategy._name == "StrategyYFIGovernance":
ygov = interface.YearnGovernance(strategy.gov())
attrs["earned"] = [ygov, "earned", strategy]
attrs["reward rate"] = [ygov, "rewardRate"]
attrs["ygov balance"] = [ygov, "balanceOf", strategy]
attrs["ygov total"] = [ygov, "totalSupply"]
# fetch attrs as multicall
results = fetch_multicall(*attrs.values(), block=block)
scale_overrides = {"share price": 1e18}
for name, attr in zip(attrs, results):
if attr is not None:
info[name] = attr / scale_overrides.get(name, self.scale)
else:
logger.warning("attr %s rekt %s", name, attr)
# some additional post-processing
if "min" in info:
info["strategy buffer"] = info.pop("min") / info.pop("max")
if "token price" not in info:
info["token price"] = self.get_price(block=block)
info["tvl"] = info["vault balance"] * info["token price"]
return info
def describe(self):
scale = 10**self.decimals
info = {}
try:
info['share price'] = self.vault.getPricePerFullShare() / 1e18
except ValueError:
# no money in vault, exit early
return {'tvl': 0}
attrs = {
'vault balance': [self.vault, 'balance'],
'vault total': [self.vault, 'totalSupply'],
'strategy balance': [self.strategy, 'balanceOf'],
}
# some of the oldest vaults don't implement these methods
if hasattr(self.vault, "available"):
attrs['available'] = [self.vault, 'available']
if hasattr(self.vault, "min") and hasattr(self.vault, "max"):
attrs['min'] = [self.vault, 'min']
attrs['max'] = [self.vault, 'max']
# new curve voter proxy vaults
if hasattr(self.strategy, "proxy"):
results = fetch_multicall(
[self.strategy, 'voter'],
[curve.registry, 'get_pool_from_lp_token', self.token],
[self.strategy, 'gauge'],
)
vote_proxy = interface.CurveYCRVVoter(results[0])
swap = interface.CurveSwap(results[1])
gauge = interface.CurveGauge(results[2])
info.update(curve.calculate_boost(gauge, vote_proxy))
info.update(curve.calculate_apy(gauge, swap))
info["earned"] = gauge.claimable_tokens.call(vote_proxy).to(
"ether")
if hasattr(self.strategy, "earned"):
info["lifetime earned"] = self.strategy.earned() / scale
if self.strategy._name == "StrategyYFIGovernance":
ygov = interface.YearnGovernance(self.strategy.gov())
attrs["earned"] = [ygov, 'earned', self.strategy]
attrs["reward rate"] = [ygov, 'rewardRate']
attrs["ygov balance"] = [ygov, 'balanceOf', self.strategy]
attrs["ygov total"] = [ygov, 'totalSupply']
# fetch attrs as multicall
try:
results = fetch_multicall(*attrs.values())
except ValueError:
pass
else:
for name, attr in zip(attrs, results):
info[name] = attr / scale
# some additional post-processing
if 'min' in info:
info["strategy buffer"] = info.pop('min') / info.pop('max')
if "token price" not in info:
if self.name in ["aLINK"]:
info["token price"] = uniswap.token_price(
self.vault.underlying())
elif self.name in ["USDC", "TUSD", "DAI", "USDT"]:
info["token price"] = 1
else:
info["token price"] = uniswap.token_price(self.token)
info["tvl"] = info["vault balance"] * info["token price"]
return info