UniswapV2Pair | Base

codeslaw

UniswapV2PairSolidityv0.6.12+commit.27d51765

network

Base

address0xaf11a22ad538d1991ef2f7ea67246a873d82312f

deployer0x71524B4f93c58fcbF659783284E38825f0622859

tx last 12 months

1 tx

calls last 12 months

5.4k calls

1 File

UniswapV2Pair.sol

Source: Etherscan, Smart Contract Sanctuary, or Sourcify. For more information, see our about page.

abi

constructor

constructor()

functions

allowance

view

function allowance(address, address) view returns (uint256)

balanceOf

view

function balanceOf(address) view returns (uint256)

decimals

view

function decimals() view returns (uint8)

DOMAIN_SEPARATOR

view

function DOMAIN_SEPARATOR() view returns (bytes32)

factory

view

function factory() view returns (address)

getReserves

view

function getReserves() view returns (uint112 _reserve0, uint112 _reserve1, uint32 _blockTimestampLast)

kLast

view

function kLast() view returns (uint256)

MINIMUM_LIQUIDITY

view

function MINIMUM_LIQUIDITY() view returns (uint256)

name

view

function name() view returns (string)

nonces

view

function nonces(address) view returns (uint256)

PERMIT_TYPEHASH

view

function PERMIT_TYPEHASH() view returns (bytes32)

price0CumulativeLast

view

function price0CumulativeLast() view returns (uint256)

price1CumulativeLast

view

function price1CumulativeLast() view returns (uint256)

symbol

view

function symbol() view returns (string)

token0

view

function token0() view returns (address)

token1

view

function token1() view returns (address)

totalSupply

view

function totalSupply() view returns (uint256)

approve

nonpayable

function approve(address spender, uint256 value) returns (bool)

burn

nonpayable

function burn(address to) returns (uint256 amount0, uint256 amount1)

initialize

nonpayable

function initialize(address _token0, address _token1)

mint

nonpayable

function mint(address to) returns (uint256 liquidity)

permit

nonpayable

function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s)

skim

nonpayable

function skim(address to)

swap

nonpayable

function swap(uint256 amount0Out, uint256 amount1Out, address to, bytes data)

sync

nonpayable

function sync()

transfer

nonpayable

function transfer(address to, uint256 value) returns (bool)

transferFrom

nonpayable

function transferFrom(address from, address to, uint256 value) returns (bool)

events

Approval

event Approval(address indexed owner, address indexed spender, uint256 value)

Burn

event Burn(address indexed sender, uint256 amount0, uint256 amount1, address indexed to)

Mint

event Mint(address indexed sender, uint256 amount0, uint256 amount1)

Swap

event Swap(address indexed sender, uint256 amount0In, uint256 amount1In, uint256 amount0Out, uint256 amount1Out, address indexed to)

Sync

event Sync(uint112 reserve0, uint112 reserve1)

Transfer

event Transfer(address indexed from, address indexed to, uint256 value)

errors

No errors.

bytecode

creation bytecode

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