Canonical token bridge
The canonical token bridge is the pair of “lock & mint” contracts that allow bridging of any ERC-20 token. The bridge relies on the message service for cross-chain interactions.
The Linea team operates a UI for this bridge, available at https://bridge.linea.build/.
The canonical token bridge is optimized for technical partners who are deploying on Linea. We recommend that everyday users of Linea seeking to bridge their personal tokens between networks leverage one of the many bridges deployed to the network.
Linea seeks to foster a permissionless, resilient, decentralized environment — not to have our bridge be a centralized arbiter and point of failure.
To find out which bridges are currently operating on Linea, head to the ecosystem portal and click on the Bridge button to show all that are available.
Contracts
- Mainnet
- Linea Sepolia
-
Ethereum Mainnet
TokenBridge.abi
[
{
"inputs": [
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"name": "TokenNativeOnOtherLayer",
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"internalType": "address",
"name": "setBy",
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"name": "CustomContractSet",
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"inputs": [
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"name": "DeploymentConfirmed",
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"inputs": [
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"internalType": "uint8",
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"name": "Initialized",
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"inputs": [
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"indexed": true,
"internalType": "address",
"name": "newMessageService",
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{
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"internalType": "address",
"name": "oldMessageService",
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"inputs": [
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"internalType": "address",
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"name": "NewTokenDeployed",
"type": "event"
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{
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"inputs": [
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"indexed": true,
"internalType": "address",
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"name": "OwnershipTransferStarted",
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"inputs": [
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"internalType": "address",
"name": "remoteTokenBridge",
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],
"name": "RemoteTokenBridgeSet",
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{
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"inputs": [
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"internalType": "address",
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],
"name": "TokenDeployed",
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"inputs": [
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{
"inputs": [
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"name": "acceptOwnership",
"outputs": [
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"stateMutability": "nonpayable",
"type": "function"
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{
"inputs": [
{
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"name": "_token",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
}
],
"name": "bridgeToken",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
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{
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},
{
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"name": "_recipient",
"type": "address"
},
{
"internalType": "bytes",
"name": "_permitData",
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}
],
"name": "bridgeTokenWithPermit",
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],
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"type": "function"
},
{
"inputs": [
{
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"name": "",
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],
"name": "bridgedToNativeToken",
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"name": "",
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}
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{
"inputs": [
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"name": "_nativeToken",
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{
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"name": "_amount",
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{
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"name": "_recipient",
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},
{
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"name": "_chainId",
"type": "uint256"
},
{
"internalType": "bytes",
"name": "_tokenMetadata",
"type": "bytes"
}
],
"name": "completeBridging",
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},
{
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],
"name": "confirmDeployment",
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"type": "function"
},
{
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"name": "_securityCouncil",
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{
"internalType": "address",
"name": "_messageService",
"type": "address"
},
{
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"name": "_tokenBeacon",
"type": "address"
},
{
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"name": "_sourceChainId",
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},
{
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"name": "_targetChainId",
"type": "uint256"
},
{
"internalType": "address[]",
"name": "_reservedTokens",
"type": "address[]"
}
],
"name": "initialize",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "messageService",
"outputs": [
{
"internalType": "contract IMessageService",
"name": "",
"type": "address"
}
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"stateMutability": "view",
"type": "function"
},
{
"inputs": [
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"name": "",
"type": "uint256"
},
{
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"name": "",
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],
"name": "nativeToBridgedToken",
"outputs": [
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"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "owner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
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"name": "pause",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "paused",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "pendingOwner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "remoteSender",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
}
],
"name": "removeReserved",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "renounceOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_nativeToken",
"type": "address"
},
{
"internalType": "address",
"name": "_targetContract",
"type": "address"
}
],
"name": "setCustomContract",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "_nativeTokens",
"type": "address[]"
}
],
"name": "setDeployed",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_messageService",
"type": "address"
}
],
"name": "setMessageService",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_remoteTokenBridge",
"type": "address"
}
],
"name": "setRemoteTokenBridge",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
}
],
"name": "setReserved",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "sourceChainId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "targetChainId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "tokenBeacon",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "unpause",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
}
]- Contracts:
-
Linea Mainnet
TokenBridge.abi
[
{
"inputs": [
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"type": "constructor"
},
{
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"name": "AlreadyBridgedToken",
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{
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"name": "owner",
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],
"name": "PermitNotFromSender",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "remoteTokenBridge",
"type": "address"
}
],
"name": "RemoteTokenBridgeAlreadySet",
"type": "error"
},
{
"inputs": [
{
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"name": "token",
"type": "address"
}
],
"name": "ReservedToken",
"type": "error"
},
{
"inputs": [
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"name": "SenderNotAuthorized",
"type": "error"
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{
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"name": "StatusAddressNotAllowed",
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{
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"name": "TokenNativeOnOtherLayer",
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{
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"name": "TokenNotDeployed",
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{
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"name": "ZeroAddressNotAllowed",
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{
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],
"name": "ZeroAmountNotAllowed",
"type": "error"
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{
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"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
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{
"indexed": true,
"internalType": "address",
"name": "bridgedToken",
"type": "address"
},
{
"indexed": true,
"internalType": "uint256",
"name": "amount",
"type": "uint256"
},
{
"indexed": false,
"internalType": "address",
"name": "recipient",
"type": "address"
}
],
"name": "BridgingFinalized",
"type": "event"
},
{
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"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "sender",
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{
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"name": "recipient",
"type": "address"
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{
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"type": "address"
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{
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"name": "amount",
"type": "uint256"
}
],
"name": "BridgingInitiated",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "customContract",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "CustomContractSet",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address[]",
"name": "tokens",
"type": "address[]"
},
{
"indexed": true,
"internalType": "address",
"name": "confirmedBy",
"type": "address"
}
],
"name": "DeploymentConfirmed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "uint8",
"name": "version",
"type": "uint8"
}
],
"name": "Initialized",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "newMessageService",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "oldMessageService",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "MessageServiceUpdated",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "NewToken",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "bridgedToken",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
}
],
"name": "NewTokenDeployed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "previousOwner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "OwnershipTransferStarted",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "previousOwner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "OwnershipTransferred",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "Paused",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "remoteTokenBridge",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "RemoteTokenBridgeSet",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenDeployed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenReserved",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "Unpaused",
"type": "event"
},
{
"inputs": [
],
"name": "acceptOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
}
],
"name": "bridgeToken",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
},
{
"internalType": "bytes",
"name": "_permitData",
"type": "bytes"
}
],
"name": "bridgeTokenWithPermit",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "bridgedToNativeToken",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_nativeToken",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
},
{
"internalType": "uint256",
"name": "_chainId",
"type": "uint256"
},
{
"internalType": "bytes",
"name": "_tokenMetadata",
"type": "bytes"
}
],
"name": "completeBridging",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "_tokens",
"type": "address[]"
}
],
"name": "confirmDeployment",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_securityCouncil",
"type": "address"
},
{
"internalType": "address",
"name": "_messageService",
"type": "address"
},
{
"internalType": "address",
"name": "_tokenBeacon",
"type": "address"
},
{
"internalType": "uint256",
"name": "_sourceChainId",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "_targetChainId",
"type": "uint256"
},
{
"internalType": "address[]",
"name": "_reservedTokens",
"type": "address[]"
}
],
"name": "initialize",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "messageService",
"outputs": [
{
"internalType": "contract IMessageService",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "nativeToBridgedToken",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "owner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "pause",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "paused",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "pendingOwner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "remoteSender",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
}
],
"name": "removeReserved",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "renounceOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_nativeToken",
"type": "address"
},
{
"internalType": "address",
"name": "_targetContract",
"type": "address"
}
],
"name": "setCustomContract",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "_nativeTokens",
"type": "address[]"
}
],
"name": "setDeployed",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_messageService",
"type": "address"
}
],
"name": "setMessageService",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_remoteTokenBridge",
"type": "address"
}
],
"name": "setRemoteTokenBridge",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
}
],
"name": "setReserved",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "sourceChainId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "targetChainId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "tokenBeacon",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "unpause",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
}
]- Contracts:
-
Ethereum Sepolia
TokenBridge.abi
[
{
"inputs": [
],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "AlreadyBridgedToken",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "AlreadyBrigedToNativeTokenSet",
"type": "error"
},
{
"inputs": [
],
"name": "CallerIsNotMessageService",
"type": "error"
},
{
"inputs": [
{
"internalType": "bytes4",
"name": "permitData",
"type": "bytes4"
},
{
"internalType": "bytes4",
"name": "permitSelector",
"type": "bytes4"
}
],
"name": "InvalidPermitData",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "NotReserved",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "spender",
"type": "address"
}
],
"name": "PermitNotAllowingBridge",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "PermitNotFromSender",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "remoteTokenBridge",
"type": "address"
}
],
"name": "RemoteTokenBridgeAlreadySet",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "ReservedToken",
"type": "error"
},
{
"inputs": [
],
"name": "SenderNotAuthorized",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "StatusAddressNotAllowed",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenNativeOnOtherLayer",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenNotDeployed",
"type": "error"
},
{
"inputs": [
],
"name": "ZeroAddressNotAllowed",
"type": "error"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "ZeroAmountNotAllowed",
"type": "error"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "bridgedToken",
"type": "address"
},
{
"indexed": true,
"internalType": "uint256",
"name": "amount",
"type": "uint256"
},
{
"indexed": false,
"internalType": "address",
"name": "recipient",
"type": "address"
}
],
"name": "BridgingFinalized",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "sender",
"type": "address"
},
{
"indexed": false,
"internalType": "address",
"name": "recipient",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
},
{
"indexed": true,
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "BridgingInitiated",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "customContract",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "CustomContractSet",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address[]",
"name": "tokens",
"type": "address[]"
},
{
"indexed": true,
"internalType": "address",
"name": "confirmedBy",
"type": "address"
}
],
"name": "DeploymentConfirmed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "uint8",
"name": "version",
"type": "uint8"
}
],
"name": "Initialized",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "newMessageService",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "oldMessageService",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "MessageServiceUpdated",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "NewToken",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "bridgedToken",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
}
],
"name": "NewTokenDeployed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "previousOwner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "OwnershipTransferStarted",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "previousOwner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "OwnershipTransferred",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "Paused",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "remoteTokenBridge",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "RemoteTokenBridgeSet",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenDeployed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenReserved",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "Unpaused",
"type": "event"
},
{
"inputs": [
],
"name": "acceptOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
}
],
"name": "bridgeToken",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
},
{
"internalType": "bytes",
"name": "_permitData",
"type": "bytes"
}
],
"name": "bridgeTokenWithPermit",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "bridgedToNativeToken",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_nativeToken",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
},
{
"internalType": "uint256",
"name": "_chainId",
"type": "uint256"
},
{
"internalType": "bytes",
"name": "_tokenMetadata",
"type": "bytes"
}
],
"name": "completeBridging",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "_tokens",
"type": "address[]"
}
],
"name": "confirmDeployment",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_securityCouncil",
"type": "address"
},
{
"internalType": "address",
"name": "_messageService",
"type": "address"
},
{
"internalType": "address",
"name": "_tokenBeacon",
"type": "address"
},
{
"internalType": "uint256",
"name": "_sourceChainId",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "_targetChainId",
"type": "uint256"
},
{
"internalType": "address[]",
"name": "_reservedTokens",
"type": "address[]"
}
],
"name": "initialize",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "messageService",
"outputs": [
{
"internalType": "contract IMessageService",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "nativeToBridgedToken",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "owner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "pause",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "paused",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "pendingOwner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "remoteSender",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
}
],
"name": "removeReserved",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "renounceOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_nativeToken",
"type": "address"
},
{
"internalType": "address",
"name": "_targetContract",
"type": "address"
}
],
"name": "setCustomContract",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "_nativeTokens",
"type": "address[]"
}
],
"name": "setDeployed",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_messageService",
"type": "address"
}
],
"name": "setMessageService",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_remoteTokenBridge",
"type": "address"
}
],
"name": "setRemoteTokenBridge",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
}
],
"name": "setReserved",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "sourceChainId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "targetChainId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "tokenBeacon",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "unpause",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
}
]- Contracts:
-
Linea Sepolia
TokenBridge.abi
[
{
"inputs": [
],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "AlreadyBridgedToken",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "AlreadyBrigedToNativeTokenSet",
"type": "error"
},
{
"inputs": [
],
"name": "CallerIsNotMessageService",
"type": "error"
},
{
"inputs": [
{
"internalType": "bytes4",
"name": "permitData",
"type": "bytes4"
},
{
"internalType": "bytes4",
"name": "permitSelector",
"type": "bytes4"
}
],
"name": "InvalidPermitData",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "NotReserved",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "spender",
"type": "address"
}
],
"name": "PermitNotAllowingBridge",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "PermitNotFromSender",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "remoteTokenBridge",
"type": "address"
}
],
"name": "RemoteTokenBridgeAlreadySet",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "ReservedToken",
"type": "error"
},
{
"inputs": [
],
"name": "SenderNotAuthorized",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "StatusAddressNotAllowed",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenNativeOnOtherLayer",
"type": "error"
},
{
"inputs": [
{
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenNotDeployed",
"type": "error"
},
{
"inputs": [
],
"name": "ZeroAddressNotAllowed",
"type": "error"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "ZeroAmountNotAllowed",
"type": "error"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "bridgedToken",
"type": "address"
},
{
"indexed": true,
"internalType": "uint256",
"name": "amount",
"type": "uint256"
},
{
"indexed": false,
"internalType": "address",
"name": "recipient",
"type": "address"
}
],
"name": "BridgingFinalized",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "sender",
"type": "address"
},
{
"indexed": false,
"internalType": "address",
"name": "recipient",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
},
{
"indexed": true,
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "BridgingInitiated",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "customContract",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "CustomContractSet",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address[]",
"name": "tokens",
"type": "address[]"
},
{
"indexed": true,
"internalType": "address",
"name": "confirmedBy",
"type": "address"
}
],
"name": "DeploymentConfirmed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "uint8",
"name": "version",
"type": "uint8"
}
],
"name": "Initialized",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "newMessageService",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "oldMessageService",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "MessageServiceUpdated",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "NewToken",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "bridgedToken",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "nativeToken",
"type": "address"
}
],
"name": "NewTokenDeployed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "previousOwner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "OwnershipTransferStarted",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "previousOwner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "OwnershipTransferred",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "Paused",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "remoteTokenBridge",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "setBy",
"type": "address"
}
],
"name": "RemoteTokenBridgeSet",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenDeployed",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "token",
"type": "address"
}
],
"name": "TokenReserved",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": false,
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "Unpaused",
"type": "event"
},
{
"inputs": [
],
"name": "acceptOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
}
],
"name": "bridgeToken",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
},
{
"internalType": "bytes",
"name": "_permitData",
"type": "bytes"
}
],
"name": "bridgeTokenWithPermit",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "bridgedToNativeToken",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_nativeToken",
"type": "address"
},
{
"internalType": "uint256",
"name": "_amount",
"type": "uint256"
},
{
"internalType": "address",
"name": "_recipient",
"type": "address"
},
{
"internalType": "uint256",
"name": "_chainId",
"type": "uint256"
},
{
"internalType": "bytes",
"name": "_tokenMetadata",
"type": "bytes"
}
],
"name": "completeBridging",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "_tokens",
"type": "address[]"
}
],
"name": "confirmDeployment",
"outputs": [
],
"stateMutability": "payable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_securityCouncil",
"type": "address"
},
{
"internalType": "address",
"name": "_messageService",
"type": "address"
},
{
"internalType": "address",
"name": "_tokenBeacon",
"type": "address"
},
{
"internalType": "uint256",
"name": "_sourceChainId",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "_targetChainId",
"type": "uint256"
},
{
"internalType": "address[]",
"name": "_reservedTokens",
"type": "address[]"
}
],
"name": "initialize",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "messageService",
"outputs": [
{
"internalType": "contract IMessageService",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "nativeToBridgedToken",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "owner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "pause",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "paused",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "pendingOwner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "remoteSender",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
}
],
"name": "removeReserved",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "renounceOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_nativeToken",
"type": "address"
},
{
"internalType": "address",
"name": "_targetContract",
"type": "address"
}
],
"name": "setCustomContract",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "_nativeTokens",
"type": "address[]"
}
],
"name": "setDeployed",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_messageService",
"type": "address"
}
],
"name": "setMessageService",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_remoteTokenBridge",
"type": "address"
}
],
"name": "setRemoteTokenBridge",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "_token",
"type": "address"
}
],
"name": "setReserved",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "sourceChainId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "targetChainId",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
],
"name": "tokenBeacon",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
],
"name": "unpause",
"outputs": [
],
"stateMutability": "nonpayable",
"type": "function"
}
]- Contracts:
How to use
Workflow
- Triggering the transfer
- Without Permit
- User should first allow the bridge to transfer tokens on their behalf
- This is done by calling
allowance()on the TokenBridge. - Then, the user should call the
bridgeToken()method.
- With Permit
- User can call
bridgeTokenWithPermit()to pass permit data in a single transaction
- User can call
- Triggering the delivery
- See the message service workflow.
Interface TokenBridge.sol
ITokenBridge.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.19;
interface ITokenBridge {
event TokenReserved(address indexed token);
event CustomContractSet(address indexed nativeToken, address indexed customContract, address indexed setBy);
event BridgingInitiated(address indexed sender, address recipient, address indexed token, uint256 indexed amount);
event BridgingFinalized(
address indexed nativeToken,
address indexed bridgedToken,
uint256 indexed amount,
address recipient
);
event NewToken(address indexed token);
event NewTokenDeployed(address indexed bridgedToken, address indexed nativeToken);
event RemoteTokenBridgeSet(address indexed remoteTokenBridge, address indexed setBy);
event TokenDeployed(address indexed token);
event DeploymentConfirmed(address[] tokens, address indexed confirmedBy);
event MessageServiceUpdated(
address indexed newMessageService,
address indexed oldMessageService,
address indexed setBy
);
error ReservedToken(address token);
error RemoteTokenBridgeAlreadySet(address remoteTokenBridge);
error AlreadyBridgedToken(address token);
error InvalidPermitData(bytes4 permitData, bytes4 permitSelector);
error PermitNotFromSender(address owner);
error PermitNotAllowingBridge(address spender);
error ZeroAmountNotAllowed(uint256 amount);
error NotReserved(address token);
error TokenNotDeployed(address token);
error TokenNativeOnOtherLayer(address token);
error AlreadyBrigedToNativeTokenSet(address token);
error StatusAddressNotAllowed(address token);
/**
* @notice Similar to `bridgeToken` function but allows to pass additional
* permit data to do the ERC20 approval in a single transaction.
* @param _token The address of the token to be bridged.
* @param _amount The amount of the token to be bridged.
* @param _recipient The address that will receive the tokens on the other chain.
* @param _permitData The permit data for the token, if applicable.
*/
function bridgeTokenWithPermit(
address _token,
uint256 _amount,
address _recipient,
bytes calldata _permitData
) external payable;
/**
* @dev It can only be called from the Message Service. To finalize the bridging
* process, a user or postmen needs to use the `claimMessage` function of the
* Message Service to trigger the transaction.
* @param _nativeToken The address of the token on its native chain.
* @param _amount The amount of the token to be received.
* @param _recipient The address that will receive the tokens.
* @param _chainId The source chainId or target chaindId for this token
* @param _tokenMetadata Additional data used to deploy the bridged token if it
* doesn't exist already.
*/
function completeBridging(
address _nativeToken,
uint256 _amount,
address _recipient,
uint256 _chainId,
bytes calldata _tokenMetadata
) external;
/**
* @dev Change the address of the Message Service.
* @param _messageService The address of the new Message Service.
*/
function setMessageService(address _messageService) external;
/**
* @dev It can only be called from the Message Service. To change the status of
* the native tokens to DEPLOYED meaning they have been deployed on the other chain
* a user or postman needs to use the `claimMessage` function of the
* Message Service to trigger the transaction.
* @param _nativeTokens The addresses of the native tokens.
*/
function setDeployed(address[] memory _nativeTokens) external;
/**
* @dev Sets the address of the remote token bridge. Can only be called once.
* @param _remoteTokenBridge The address of the remote token bridge to be set.
*/
function setRemoteTokenBridge(address _remoteTokenBridge) external;
/**
* @dev Removes a token from the reserved list.
* @param _token The address of the token to be removed from the reserved list.
*/
function removeReserved(address _token) external;
/**
* @dev Linea can set a custom ERC20 contract for specific ERC20.
* For security purpose, Linea can only call this function if the token has
* not been bridged yet.
* @param _nativeToken address of the token on the source chain.
* @param _targetContract address of the custom contract.
*/
function setCustomContract(address _nativeToken, address _targetContract) external;
/**
* @dev Pause the contract, can only be called by the owner.
*/
function pause() external;
/**
* @dev Unpause the contract, can only be called by the owner.
*/
function unpause() external;
}