0x3c8AD34155B83ddB7f43119A19503d34Ed2B5c7a
on Ethereum Mainnet (1)
Match
Runtime Bytecode
Creation Bytecode
- Contract Name
- UniswapV2Pair
- Compilation Target
- UniswapV2Pair.sol:UniswapV2Pair
- Language
Solidity- Compiler
- solc 0.5.16+commit.9c3226ce
- EVM Version
- istanbul
- Verified At
- 2026-02-01 05:45:48 UTC
- Deployer
- 0x4Cc3B22397a2302CAdD1F9865922bE8b8c3fAeC2
- Deployment Transaction
- 0x655b22333f51c865486567a61ffbbc5f7478952196be528073dcee5d7dc6e4ca
- Block Number
- 10996306
- Transaction Index
- 62
Read/Write Contract on:
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Source Code
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Compiler Settings
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Contract Metadata
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Creation Bytecode
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CBOR Auxdata
These values are what Sourcify extracted from the recompiled bytecode. If these values are different in the on-chain bytecode, they will show up in Transformations section.
CBOR Auxdata id: 1
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Transformations
CBOR Auxdata Transformations
| Byte Offsets | Length (bytes) | Values |
|---|---|---|
| 11502 | 53 | Original (recompiled):0xa265627a7a72315820f77eaa5292dda369c54debbba31f23490028ed62111480e2a7197deb6193632a64736f6c63430005100032 Transformed (onchain):0xa265627a7a723158207dca18479e58487606bf70c79e44d8dee62353c9ee6d01f9a9d70885b8765f2264736f6c63430005100032 |
Runtime Bytecode
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CBOR Auxdata
These values are what Sourcify extracted from the recompiled bytecode. If these values are different in the on-chain bytecode, they will show up in Transformations section.
CBOR Auxdata id: 1
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Transformations
CBOR Auxdata Transformations
| Byte Offsets | Length (bytes) | Values |
|---|---|---|
| 11241 | 53 | Original (recompiled):0xa265627a7a72315820f77eaa5292dda369c54debbba31f23490028ed62111480e2a7197deb6193632a64736f6c63430005100032 Transformed (onchain):0xa265627a7a723158207dca18479e58487606bf70c79e44d8dee62353c9ee6d01f9a9d70885b8765f2264736f6c63430005100032 |
Storage Layout
For non-default storage allocations (e.g. EIP-7201) check out 
| Slot | Offset | Bytes | Label | Type | Contract |
|---|---|---|---|---|---|
| 0 | 0 | 32 | totalSupply | uint256 | UniswapV2Pair.sol:UniswapV2Pair |
| 1 | 0 | 32 | balanceOf | mapping(address ⇒ uint256) | UniswapV2Pair.sol:UniswapV2Pair |
| 2 | 0 | 32 | allowance | mapping(address ⇒ mapping(address ⇒ uint256)) | UniswapV2Pair.sol:UniswapV2Pair |
| 3 | 0 | 32 | DOMAIN_SEPARATOR | bytes32 | UniswapV2Pair.sol:UniswapV2Pair |
| 4 | 0 | 32 | nonces | mapping(address ⇒ uint256) | UniswapV2Pair.sol:UniswapV2Pair |
| 5 | 0 | 20 | factory | address | UniswapV2Pair.sol:UniswapV2Pair |
| 6 | 0 | 20 | token0 | address | UniswapV2Pair.sol:UniswapV2Pair |
| 7 | 0 | 20 | token1 | address | UniswapV2Pair.sol:UniswapV2Pair |
| 8 | 0 | 14 | reserve0 | uint112 | UniswapV2Pair.sol:UniswapV2Pair |
| 8 | 14 | 14 | reserve1 | uint112 | UniswapV2Pair.sol:UniswapV2Pair |
| 8 | 28 | 4 | blockTimestampLast | uint32 | UniswapV2Pair.sol:UniswapV2Pair |
| 9 | 0 | 32 | price0CumulativeLast | uint256 | UniswapV2Pair.sol:UniswapV2Pair |
| 10 | 0 | 32 | price1CumulativeLast | uint256 | UniswapV2Pair.sol:UniswapV2Pair |
| 11 | 0 | 32 | kLast | uint256 | UniswapV2Pair.sol:UniswapV2Pair |
| 12 | 0 | 32 | unlocked | uint256 | UniswapV2Pair.sol:UniswapV2Pair |
Transient Storage Layout
Transient storage layout is only available for Solidity contracts compiled with version ≥ 0.8.27.
Standard JSON Input
This isn't the original compiler JSON data. Generated for compatibility.
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Standard JSON Output
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