0x15b4b5A08a37fC9e0dc50550D1284a2aEEa081A6
on Arbitrum One Mainnet (42161)
Exact Match
Runtime Bytecode
Creation Bytecode
- Contract Name
- OstiumPairsStorage
- Compilation Target
- src/OstiumPairsStorage.sol:OstiumPairsStorage
- Language
Solidity- Compiler
- solc 0.8.24+commit.e11b9ed9
- EVM Version
- shanghai
- Verified At
- 2026-04-30 14:33:08 UTC
- Deployer
- 0x7Dd189a29F2DB130b61a93A867b6fb404eb2e321
- Deployment Transaction
- 0xf7d10f454fdc01db1ae983d84b1a57a8a49b3bd7722874b31354c689df9c588c
- Block Number
- 457215063
- Transaction Index
- 2
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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Solidity metadata.json IPFS hash: QmYu7vEmCtpqZcACmMv3WHaVe28Dr49MfEbcv2xziXCVtN
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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
View on
Solidity metadata.json IPFS hash: QmYu7vEmCtpqZcACmMv3WHaVe28Dr49MfEbcv2xziXCVtN
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Storage Layout
For non-default storage allocations (e.g. EIP-7201) check out 
| Slot | Offset | Bytes | Label | Type | Contract |
|---|---|---|---|---|---|
| 0 | 0 | 20 | registry | contract IOstiumRegistry | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 0 | 20 | 2 | pairsCount | uint16 | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 0 | 22 | 1 | groupsCount | uint8 | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 0 | 23 | 1 | feesCount | uint8 | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 1 | 0 | 32 | pairs | mapping(uint16 ⇒ struct IOstiumPairsStorage.Pair) | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 2 | 0 | 32 | groups | mapping(uint8 ⇒ struct IOstiumPairsStorage.Group) | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 3 | 0 | 32 | fees | mapping(uint8 ⇒ struct IOstiumPairsStorage.Fee) | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 4 | 0 | 32 | groupsCollaterals | mapping(uint8 ⇒ uint256[2]) | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 5 | 0 | 32 | isPairListed | mapping(bytes32 ⇒ mapping(bytes32 ⇒ bool)) | src/OstiumPairsStorage.sol:OstiumPairsStorage |
| 6 | 0 | 32 | isPairIndexListed | mapping(uint16 ⇒ bool) | src/OstiumPairsStorage.sol:OstiumPairsStorage |
Transient Storage Layout
Transient storage layout is only available for Solidity contracts compiled with version ≥ 0.8.27.
Standard JSON Input
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Standard JSON Output
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