0xC5E2f85CB57350d3aE918d8B038f891f8ED6f6E5
on Arbitrum One Mainnet (42161)
Exact Match
Runtime Bytecode
Creation Bytecode
- Contract Name
- FireBridge
- Compilation Target
- contracts/FireBridge.sol:FireBridge
- Language
Solidity- Compiler
- solc 0.8.20+commit.a1b79de6
- EVM Version
- london
- Verified At
- 2026-06-17 12:56:37 UTC
- Deployer
- 0x785fA76b07487683E99A3D84455A13a94ec9088d
- Deployment Transaction
- 0xe6d21dce11de6c4601f983bd6106b6515d28375ceb8d04e15cba4ccb931adf0d
- Block Number
- 244702948
- Transaction Index
- 7
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: QmZBavV1V6LTW5aHyEbsSFdv23GqobWcAbZ59Q6TxR9Sy6
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Transformations
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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: QmZBavV1V6LTW5aHyEbsSFdv23GqobWcAbZ59Q6TxR9Sy6
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Transformations
Immutable Transformations
| ID | Value | Offsets |
|---|---|---|
| 887 | 0x0100000000000000000000000000000000000000000000000000000000000000 | 3263, 6373, 8831, 13550 |
| 3633 | 0x000000000000000000000000c5e2f85cb57350d3ae918d8b038f891f8ed6f6e5 | 6651, 7390 |
Storage Layout
For non-default storage allocations (e.g. EIP-7201) check out 
| Slot | Offset | Bytes | Label | Type | Contract |
|---|---|---|---|---|---|
| 0 | 0 | 20 | minter | address | contracts/FireBridge.sol:FireBridge |
| 1 | 0 | 20 | fbtc | address | contracts/FireBridge.sol:FireBridge |
| 2 | 0 | 64 | qualifiedUsers | struct EnumerableSet.AddressSet | contracts/FireBridge.sol:FireBridge |
| 4 | 0 | 64 | dstChains | struct EnumerableSet.Bytes32Set | contracts/FireBridge.sol:FireBridge |
| 6 | 0 | 32 | userInfo | mapping(address ⇒ struct UserInfo) | contracts/FireBridge.sol:FireBridge |
| 7 | 0 | 32 | depositAddressToUser | mapping(string ⇒ address) | contracts/FireBridge.sol:FireBridge |
| 8 | 0 | 32 | requestHashes | bytes32[] | contracts/FireBridge.sol:FireBridge |
| 9 | 0 | 32 | requests | mapping(bytes32 ⇒ struct Request) | contracts/FireBridge.sol:FireBridge |
| 10 | 0 | 32 | usedDepositTxs | mapping(bytes32 ⇒ bytes32) | contracts/FireBridge.sol:FireBridge |
| 11 | 0 | 32 | usedWithdrawalTxs | mapping(bytes32 ⇒ bytes32) | contracts/FireBridge.sol:FireBridge |
| 12 | 0 | 32 | crosschainRequestConfirmation | mapping(bytes32 ⇒ bytes32) | contracts/FireBridge.sol:FireBridge |
| 13 | 0 | 20 | feeModel | address | contracts/FireBridge.sol:FireBridge |
| 14 | 0 | 20 | feeRecipient | address | contracts/FireBridge.sol:FireBridge |
| 15 | 0 | 1600 | __gap | uint256[50] | contracts/FireBridge.sol:FireBridge |
| 65 | 0 | 1600 | __gap | uint256[50] | contracts/FireBridge.sol:FireBridge |
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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