Address Contract Partially Verified
Address
0x1B8Df6ca485BE68E5337402e434179b98070d0F5
Balance
0 ETH
Nonce
1
Code Size
2615 bytes
Creator
0xA3b473B9...f34E at tx 0x94cf946d...09b448
Indexed Transactions
0
Contract Bytecode
2615 bytes
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Verified Source Code Partial Match
Compiler: v0.4.0+commit.e9db8d9f
OfframpTWAPBotonETH.vy 105 lines
#pragma version 0.4.0
#pragma optimize gas
#pragma evm-version cancun
"""
@title Offramp TWAP Bot on ETH
@license Apache 2.0
@author Volume.finance
"""
struct SwapInfo:
route: address[11]
swap_params: uint256[5][5]
amount: uint256
expected: uint256
pools: address[5]
interface CurveSwapRouter:
def exchange(
_route: address[11],
_swap_params: uint256[5][5],
_amount: uint256,
_expected: uint256,
_pools: address[5]
) -> uint256: payable
interface ERC20:
def approve(_spender: address, _value: uint256) -> bool: nonpayable
def transferFrom(_from: address, _to: address, _value: uint256) -> bool: nonpayable
interface DaiBridge:
def relayTokens(_receiver: address, _amount: uint256): nonpayable
VETH: constant(address) = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE # Virtual ETH
DAI: immutable(address)
BRIDGE: immutable(address)
ROUTER: immutable(address)
MAX_SIZE: constant(uint256) = 8
OPPOSITE: public(immutable(address))
next_deposit: public(uint256)
event Deposited:
deposit_id: uint256
token0: address
amount0: uint256
amount1: uint256
depositor: address
number_trades: uint256
interval: uint256
@deploy
def __init__(dai: address, bridge: address, router: address, opposite: address):
ROUTER = router
DAI = dai
BRIDGE = bridge
OPPOSITE = opposite
@internal
def _safe_approve(_token: address, _spender: address, _value: uint256):
assert extcall ERC20(_token).approve(_spender, _value, default_return_value=True), "Failed approve"
@internal
def _safe_transfer_from(_token: address, _from: address, _to: address, _value: uint256):
assert extcall ERC20(_token).transferFrom(_from, _to, _value, default_return_value=True), "Failed transferFrom"
@external
@payable
@nonreentrant
def deposit(swap_infos: DynArray[SwapInfo, MAX_SIZE], number_trades: uint256, interval: uint256):
_value: uint256 = msg.value
_next_deposit: uint256 = self.next_deposit
dai_amount: uint256 = 0
for swap_info: SwapInfo in swap_infos:
last_index: uint256 = 0
for i: uint256 in range(6):
last_index = unsafe_sub(10, unsafe_add(i, i))
if swap_info.route[last_index] != empty(address):
break
assert swap_info.route[last_index] == DAI
assert swap_info.amount > 0, "Insuf deposit"
out_amount: uint256 = 0
if swap_info.route[0] == VETH:
assert _value >= swap_info.amount, "Insuf deposit"
_value = unsafe_sub(_value, swap_info.amount)
out_amount = extcall CurveSwapRouter(ROUTER).exchange(swap_info.route, swap_info.swap_params, swap_info.amount, swap_info.expected, swap_info.pools, value=swap_info.amount)
elif swap_info.route[0] == DAI:
self._safe_transfer_from(DAI, msg.sender, self, swap_info.amount)
out_amount = swap_info.amount
else:
self._safe_transfer_from(swap_info.route[0], msg.sender, self, swap_info.amount)
self._safe_approve(swap_info.route[0], ROUTER, swap_info.amount)
out_amount = extcall CurveSwapRouter(ROUTER).exchange(swap_info.route, swap_info.swap_params, swap_info.amount, swap_info.expected, swap_info.pools)
dai_amount += out_amount
log Deposited(_next_deposit, swap_info.route[0], swap_info.amount, out_amount, msg.sender, number_trades, interval)
_next_deposit = unsafe_add(_next_deposit, 1)
assert dai_amount > 0, "Insuf deposit"
self._safe_approve(DAI, BRIDGE, dai_amount)
extcall DaiBridge(BRIDGE).relayTokens(OPPOSITE, dai_amount)
self.next_deposit = _next_deposit
if _value > 0:
send(msg.sender, _value)
@external
@payable
def __default__():
pass
Read Contract
OPPOSITE 0x7ab16433 → address
next_deposit 0x12ece1ed → uint256
Write Contract 1 functions
These functions modify contract state and require a wallet transaction to execute.
deposit 0xbfaf92d2
tuple[] swap_infos
uint256 number_trades
uint256 interval
Recent Transactions
No transactions found for this address