def main(acct=CALLER, claim_threshold=CLAIM_THRESHOLD):
lp_tripool = Contract("0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490")
distributor = Contract("0xA464e6DCda8AC41e03616F95f4BC98a13b8922Dc")
proxy = Contract("0xeCb456EA5365865EbAb8a2661B0c503410e9B347")
btc_burner = Contract("0x00702BbDEaD24C40647f235F15971dB0867F6bdB")
underlying_burner = Contract("0x874210cF3dC563B98c137927e7C951491A2e9AF3")
initial_balance = lp_tripool.balanceOf(distributor)
# get list of active pools
pool_list = _get_pool_list()
# withdraw pool fees to pool proxy
to_claim = []
for i in range(len(pool_list)):
# check claimable amount
claimable = _get_admin_balances(pool_list[i])
if sum(claimable) >= claim_threshold:
to_claim.append(pool_list[i])
if i == len(pool_list) - 1 or len(to_claim) == 20:
to_claim += [ZERO_ADDRESS] * (20-len(to_claim))
proxy.withdraw_many(to_claim, {'from': acct, 'gas_price': gas_strategy})
to_claim = []
# call burners to convert fee tokens to 3CRV
burn_start = 0
to_burn = []
for i in range(len(COINS)):
if Contract(COINS[i]).balanceOf(proxy) > 0:
# no point in burning if we have a zero balance
to_burn.append(COINS[i])
to_burn_padded = to_burn + [ZERO_ADDRESS] * (20-len(to_burn))
# estimate gas to decide when to burn - some of the burners are gas guzzlers
if i == len(COINS) - 1 or proxy.burn_many.estimate_gas(to_burn_padded, {'from': acct}) > 2000000:
tx = proxy.burn_many(to_burn_padded, {'from': acct, 'gas_price': gas_strategy})
to_burn = []
if not burn_start:
# record the timestamp of the first tx - need to
# know how long to wait to finalize synth swaps
burn_start = tx.timestamp
# wait on synths to finalize
time.sleep(max(burn_start + 180 - time.time(), 0))
# call `execute` on burners
# for btc burner, this converts sUSD to USDC and sends to the underlying burner
btc_burner.execute({'from': acct, 'gas_price': gas_strategy})
# for underlying burner, this deposits USDC/USDT/DAI into 3CRV and sends to the distributor
underlying_burner.execute({'from': acct, 'gas_price': gas_strategy})
# finally, call to burn 3CRV - this also triggers a token checkpoint
proxy.burn(lp_tripool, {'from': acct, 'gas_price': gas_strategy})
final = lp_tripool.balanceOf(distributor)
print(f"Success! Total 3CRV fowarded to distributor: {(final-initial_balance)/1e18:.4f}")
def main(acct=CALLER):
lp_tripool = Contract("0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490")
distributor = Contract("0xA464e6DCda8AC41e03616F95f4BC98a13b8922Dc")
proxy = Contract("0xeCb456EA5365865EbAb8a2661B0c503410e9B347")
btc_burner = Contract("0x00702BbDEaD24C40647f235F15971dB0867F6bdB")
underlying_burner = Contract("0x874210cF3dC563B98c137927e7C951491A2e9AF3")
initial_balance = lp_tripool.balanceOf(distributor)
# get list of active pools
provider = Contract("0x0000000022D53366457F9d5E68Ec105046FC4383")
registry = Contract(provider.get_registry())
pool_list = [
Contract(registry.pool_list(i)) for i in range(registry.pool_count())
]
# withdraw pool fees to pool proxy
for i in range(0, len(pool_list), 20):
pools = pool_list[i:i + 20]
pools += [ZERO_ADDRESS] * (20 - len(pools))
proxy.withdraw_many(pools, {'from': acct, 'gas_price': gas_strategy})
# call burners to convert fee tokens to 3CRV
burn_start = 0
to_burn = []
for i in range(len(COINS)):
to_burn.append(COINS[i])
to_burn_padded = to_burn + [ZERO_ADDRESS] * (20 - len(to_burn))
# estimate gas to decide when to burn - some of the burners are gas guzzlers
if i == len(COINS) - 1 or proxy.burn_many.estimate_gas(
to_burn_padded, {'from': acct}) > 2000000:
tx = proxy.burn_many(to_burn_padded, {
'from': acct,
'gas_price': gas_strategy
})
to_burn = []
if not burn_start:
# record the timestamp of the first tx - need to
# know how long to wait to finalize synth swaps
burn_start = tx.timestamp
# wait on synths to finalize
time.sleep(burn_start + 180 - time.time())
# call `execute` on burners
# for btc burner, this converts sUSD to USDC and sends to the underlying burner
btc_burner.execute({'from': acct, 'gas_price': gas_strategy})
# for underlying burner, this deposits USDC/USDT/DAI into 3CRV and sends to the distributor
underlying_burner.execute({'from': acct, 'gas_price': gas_strategy})
# finally, call to burn 3CRV - this also triggers a token checkpoint
proxy.burn(lp_tripool, {'from': acct, 'gas_price': gas_strategy})
final = lp_tripool.balanceOf(distributor)
print(
f"Success! Total 3CRV fowarded to distributor: {final-initial_balance/1e18:.4f}"
)
def main(acct=CALLER, claim_threshold=CLAIM_THRESHOLD):
lp_tripool = Contract("0x6c3F90f043a72FA612cbac8115EE7e52BDe6E490")
distributor = Contract("0xA464e6DCda8AC41e03616F95f4BC98a13b8922Dc")
proxy = Contract("0xeCb456EA5365865EbAb8a2661B0c503410e9B347")
initial_balance = lp_tripool.balanceOf(distributor)
# get list of active pools
pool_list = _get_pool_list()
# withdraw pool fees to pool proxy
to_claim = []
for i in range(len(pool_list)):
# check claimable amount
sys.stdout.write(
f"\rQuerying pending fee amounts ({i}/{len(pool_list)})...")
sys.stdout.flush()
claimable = _get_admin_balances(pool_list[i])
if sum(claimable) >= claim_threshold:
to_claim.append(pool_list[i])
if i == len(pool_list) - 1 or len(to_claim) == 20:
to_claim += [ZERO_ADDRESS] * (20 - len(to_claim))
proxy.withdraw_many(to_claim, {
'from': acct,
'gas_price': gas_strategy
})
to_claim = []
# call burners to convert fee tokens to 3CRV
burn_start = 0
to_burn = []
for i in range(len(COINS)):
# no point in burning if we have a zero balance
if COINS[i] == ETH_ADDRESS:
if proxy.balance() > 0:
to_burn.append(COINS[i])
elif Contract(COINS[i]).balanceOf(proxy) > 0:
to_burn.append(COINS[i])
to_burn_padded = to_burn + [ZERO_ADDRESS] * (20 - len(to_burn))
# estimate gas to decide when to burn - some of the burners are gas guzzlers
if i == len(COINS) - 1 or proxy.burn_many.estimate_gas(
to_burn_padded, {'from': acct}) > 2000000:
tx = proxy.burn_many(to_burn_padded, {
'from': acct,
'gas_price': gas_strategy
})
to_burn = []
if not burn_start:
# record the timestamp of the first tx - need to
# know how long to wait to finalize synth swaps
burn_start = tx.timestamp
# wait on synths to finalize
time.sleep(max(burn_start + 180 - time.time(), 0))
# call `execute` on synth burners that require it
# converts settled sUSD to USDC and sends to the underlying burner
susd = Contract("0x57Ab1ec28D129707052df4dF418D58a2D46d5f51")
exchanger = Contract("0x0bfDc04B38251394542586969E2356d0D731f7DE")
susd_currency_key = "0x7355534400000000000000000000000000000000000000000000000000000000"
for burner in SYNTH_BURNERS:
if susd.balanceOf(burner) > 0:
settlement_time = exchanger.maxSecsLeftInWaitingPeriod(
burner, susd_currency_key)
if settlement_time:
print("Sleeping until synths have time to settle...")
time.sleep(settlement_time)
Contract(burner).execute({'from': acct, 'gas_price': gas_strategy})
# call `execute` on the underlying burner
# deposits DAI/USDC/USDT into 3pool and transfers the 3CRV to the fee distributor
underlying_burner = Contract("0x874210cF3dC563B98c137927e7C951491A2e9AF3")
underlying_burner.execute({'from': acct, 'gas_price': gas_strategy})
# finally, call to burn 3CRV - this also triggers a token checkpoint
proxy.burn(lp_tripool, {'from': acct, 'gas_price': gas_strategy})
final = lp_tripool.balanceOf(distributor)
print(
f"Success! Total 3CRV fowarded to distributor: {(final-initial_balance)/1e18:.4f}"
)
def main():
deploy = accounts.load("curve-deploy")
admin = Contract("0x7EAfd3cd937628b9671d5f8B9c823f4AAc914808")
# withdraw admin fees to the burners
swap = Contract("0x445FE580eF8d70FF569aB36e80c647af338db351")
swap_btc = Contract("0xC2d95EEF97Ec6C17551d45e77B590dc1F9117C67")
admin.execute(
swap,
swap.withdraw_admin_fees.encode_input(),
{
"from": deploy,
"required_confs": 0
},
)
admin.execute(
swap_btc,
swap_btc.withdraw_admin_fees.encode_input(),
{
"from": deploy,
"required_confs": 0
},
)
history.wait()
# burn am3CRV fees
burner = Contract("0xA237034249290De2B07988Ac64b96f22c0E76fE0")
for i in range(3):
try:
burner.burn(
swap.coins(i),
{
"from": deploy,
"gas_limit": 2000000,
"required_confs": 0
},
)
except Exception:
pass
# burn renBTC fees
burner = Contract("0x5109Abc063164d49C148A7AE970F631FEBbDa4FA")
for i in range(2):
try:
burner.burn(
swap_btc.coins(i),
{
"from": deploy,
"gas_limit": 2000000,
"required_confs": 0
},
)
except Exception:
pass
# burn tricrypto3
burner = Contract("0x43450Feccf936FbA3143e03F35D3Cc608D5fE1d2")
burner.burn("0xdAD97F7713Ae9437fa9249920eC8507e5FbB23d3", {
'from': deploy,
'gas_limit': 2000000,
'required_confs': 0
})
history.wait()
# send USDC over the bridge
usdc = Contract("0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174")
bridge = Contract("0x4473243A61b5193670D1324872368d015081822f")
amount = usdc.balanceOf(bridge)
tx = admin.execute(bridge, bridge.withdraw.encode_input(usdc),
{"from": deploy})
print(
f"Burning phase 1 complete!\nAmount: {amount/1e6:,.2f} USDC\nBridge txid: {tx.txid}"
)
print(
"\nUse `brownie run exit --network mainnet` to claim on ETH once the checkpoint is added"
)