UniswapV2配对合约里的函数选择器与事件选择器

Posted 2022-01-12 sanqima

    UniswapV2的配对合约UniswapV2Pair，继承IUniswapV2ERC20、IUniswapV2Pair这2个合约，如图(1)所示。

• UniswapV2ERC20 是ERC20合约，用于设置配对合约的Token名称、精度、符号等。
• IUniswapV2Pair用于获取交易对的价格、储备量、token0、token1的地址等

图(1) UniswapPair配对合约的继承表

IUniswapV2ERC20的函数选择器、事件选择器

function	select
DOMAIN_SEPARATOR()	0x3644e515
PERMIT_TYPEHASH()	0x30adf81f
allowance(address,address)	0xdd62ed3e
approve(address,uint256)	0x095ea7b3
balanceOf(address)	0x70a08231
decimals()	0x313ce567
name()	0x06fdde03
nonces(address)	0x7ecebe00
permit(address,address,uint256,uint256,uint8,bytes32,bytes32)	0xd505accf
symbol()	0x95d89b41
totalSupply()	0x18160ddd
transfer(address,uint256)	0xa9059cbb
transferFrom(address,address,uint256)	0x23b872dd

event	select
Approval(address,address,uint256)	0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
Transfer(address,address,uint256)	0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef

UniswapV2Pair的函数选择器、事件选择器

function	select
constructor()	0x90fa17bb
DOMAIN_SEPARATOR()	0x3644e515
MINIMUM_LIQUIDITY()	0xba9a7a56
PERMIT_TYPEHASH()	0x30adf81f
allowance(address,address)	0xdd62ed3e
approve(address,uint256)	0x095ea7b3
balanceOf(address)	0x70a08231
burn(address)	0x89afcb44
decimals()	0x313ce567
factory()	0xc45a0155
getReserves()	0x0902f1ac
initialize(address,address)	0x485cc955
kLast()	0x7464fc3d
mint(address)	0x6a627842
name()	0x06fdde03
nonces(address)	0x7ecebe00
permit(address,address,uint256,uint256,uint8,bytes32,bytes32)	0xd505accf
price0CumulativeLast()	0x5909c0d5
price1CumulativeLast()	0x5a3d5493
skim(address)	0xbc25cf77
swap(uint256,uint256,address,bytes)	0x022c0d9f
symbol()	0x95d89b41
sync()	0xfff6cae9
token0()	0x0dfe1681
token1()	0xd21220a7
totalSupply()	0x18160ddd
transfer(address,uint256)	0xa9059cbb
transferFrom(address,address,uint256)	0x23b872dd

event	select
Approval(address,address,uint256)	0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925
Burn(address,uint256,uint256,address)	0xdccd412f0b1252819cb1fd330b93224ca42612892bb3f4f789976e6d81936496
Mint(address,uint256,uint256)	0x4c209b5fc8ad50758f13e2e1088ba56a560dff690a1c6fef26394f4c03821c4f
Swap(address,uint256,uint256,uint256,uint256,address)	0xd78ad95fa46c994b6551d0da85fc275fe613ce37657fb8d5e3d130840159d822
Sync(uint112,uint112)	0x1c411e9a96e071241c2f21f7726b17ae89e3cab4c78be50e062b03a9fffbbad1
Transfer(address,address,uint256)	0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef

参考文献

    [1] ethers计算函数选择器和事件选择器