L2StandardBridge

Blast

0x4200000000000000000000000000000000000010

Proxy implementation: 0xc0d3c0d3c0d3c0d3c0d3c0d3c0d3c0d3c2d30010

Solidity v0.8.15+commit.e14f2714

🤖

Query this contract from your AI

Reference: 0x4200000000000000000000000000000000000010

Sample prompt: "Tell me the current state of blast/0x4200000000000000000000000000000000000010"

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Blast is a docs-only chain on Smarts: source code and ABI are indexed, but live on-chain data (state, recent events, admin profile) is not currently available. AI agents can still query get_contract_info and get_contract_source via MCP.

Overview

Read Functions

Write Functions

Events

Read Functions

MESSENGER() view

Getter for messenger contract.

Returns

Name	Type	Description
—	address	Messenger contract on this domain.

OTHER_BRIDGE() view

Returns

Name	Type	Description
—	address

deposits(address, address) view

Parameters

Name	Type	Description
—	address
—	address

Returns

Name	Type	Description
—	uint256

l1TokenBridge() view

Retrieves the access of the corresponding L1 bridge contract.

Returns

Name	Type	Description
—	address	Address of the corresponding L1 bridge contract.

messenger() view

Returns

Name	Type	Description
—	address

otherBridge() view

Getter for the remote domain bridge contract.

Returns

Name	Type	Description
—	address

version() view

Getter for the semantic version of the contract. This is not meant to be used onchain but instead meant to be used by offchain tooling.

Returns

Name	Type	Description
—	string	Semver contract version as a string.

Write Functions

bridgeERC20(_localToken: address, _remoteToken: address, _amount: uint256, _minGasLimit: uint32, _extraData: bytes) nonpayable

Sends ERC20 tokens to the sender's address on the other chain. Note that if the ERC20 token on the other chain does not recognize the local token as the correct pair token, the ERC20 bridge will fail and the tokens will be returned to sender on this chain.

Parameters

Name	Type	Description
_localToken	address	Address of the ERC20 on this chain.
_remoteToken	address	Address of the corresponding token on the remote chain.
_amount	uint256	Amount of local tokens to deposit.
_minGasLimit	uint32	Minimum amount of gas that the bridge can be relayed with.
_extraData	bytes	Extra data to be sent with the transaction. Note that the recipient will not be triggered with this data, but it will be emitted and can be used to identify the transaction.

bridgeERC20To(_localToken: address, _remoteToken: address, _to: address, _amount: uint256, _minGasLimit: uint32, _extraData: bytes) nonpayable

Sends ERC20 tokens to a receiver's address on the other chain. Note that if the ERC20 token on the other chain does not recognize the local token as the correct pair token, the ERC20 bridge will fail and the tokens will be returned to sender on this chain.

Parameters

Name	Type	Description
_localToken	address	Address of the ERC20 on this chain.
_remoteToken	address	Address of the corresponding token on the remote chain.
_to	address	Address of the receiver.
_amount	uint256	Amount of local tokens to deposit.
_minGasLimit	uint32	Minimum amount of gas that the bridge can be relayed with.
_extraData	bytes	Extra data to be sent with the transaction. Note that the recipient will not be triggered with this data, but it will be emitted and can be used to identify the transaction.

bridgeETH(_minGasLimit: uint32, _extraData: bytes) payable

Sends ETH to the sender's address on the other chain.

Parameters

Name	Type	Description
_minGasLimit	uint32	Minimum amount of gas that the bridge can be relayed with.
_extraData	bytes	Extra data to be sent with the transaction. Note that the recipient will not be triggered with this data, but it will be emitted and can be used to identify the transaction.

bridgeETHTo(_to: address, _minGasLimit: uint32, _extraData: bytes) payable

Sends ETH to a receiver's address on the other chain. Note that if ETH is sent to a smart contract and the call fails, the ETH will be temporarily locked in the StandardBridge on the other chain until the call is replayed. If the call cannot be replayed with any amount of gas (call always reverts), then the ETH will be permanently locked in the StandardBridge on the other chain. ETH will also be locked if the receiver is the other bridge, because finalizeBridgeETH will revert in that case.

Parameters

Name	Type	Description
_to	address	Address of the receiver.
_minGasLimit	uint32	Minimum amount of gas that the bridge can be relayed with.
_extraData	bytes	Extra data to be sent with the transaction. Note that the recipient will not be triggered with this data, but it will be emitted and can be used to identify the transaction.

finalizeBridgeERC20(_localToken: address, _remoteToken: address, _from: address, _to: address, _amount: uint256, _extraData: bytes) nonpayable

Finalizes an ERC20 bridge on this chain. Can only be triggered by the other StandardBridge contract on the remote chain.

Parameters

Name	Type	Description
_localToken	address	Address of the ERC20 on this chain.
_remoteToken	address	Address of the corresponding token on the remote chain.
_from	address	Address of the sender.
_to	address	Address of the receiver.
_amount	uint256	Amount of the ERC20 being bridged.
_extraData	bytes	Extra data to be sent with the transaction. Note that the recipient will not be triggered with this data, but it will be emitted and can be used to identify the transaction.

finalizeBridgeETH(_from: address, _to: address, _amount: uint256, _extraData: bytes) payable

Finalizes an ETH bridge on this chain. Can only be triggered by the other StandardBridge contract on the remote chain.

Parameters

Name	Type	Description
_from	address	Address of the sender.
_to	address	Address of the receiver.
_amount	uint256	Amount of ETH being bridged.
_extraData	bytes	Extra data to be sent with the transaction. Note that the recipient will not be triggered with this data, but it will be emitted and can be used to identify the transaction.

finalizeDeposit(_l1Token: address, _l2Token: address, _from: address, _to: address, _amount: uint256, _extraData: bytes) payable

Finalizes a deposit from L1 to L2. To finalize a deposit of ether, use address(0) and the l1Token and the Legacy ERC20 ether predeploy address as the l2Token.

Parameters

Name	Type	Description
_l1Token	address	Address of the L1 token to deposit.
_l2Token	address	Address of the corresponding L2 token.
_from	address	Address of the depositor.
_to	address	Address of the recipient.
_amount	uint256	Amount of the tokens being deposited.
_extraData	bytes	Extra data attached to the deposit.

initialize() nonpayable

Initializer

withdraw(_l2Token: address, _amount: uint256, _minGasLimit: uint32, _extraData: bytes) payable

Initiates a withdrawal from L2 to L1. This function only works with OptimismMintableERC20 tokens or ether. Use the `bridgeERC20` function to bridge native L2 tokens to L1.

Parameters

Name	Type	Description
_l2Token	address	Address of the L2 token to withdraw.
_amount	uint256	Amount of the L2 token to withdraw.
_minGasLimit	uint32	Minimum gas limit to use for the transaction.
_extraData	bytes	Extra data attached to the withdrawal.

withdrawTo(_l2Token: address, _to: address, _amount: uint256, _minGasLimit: uint32, _extraData: bytes) payable

Initiates a withdrawal from L2 to L1 to a target account on L1. Note that if ETH is sent to a contract on L1 and the call fails, then that ETH will be locked in the L1StandardBridge. ETH may be recoverable if the call can be successfully replayed by increasing the amount of gas supplied to the call. If the call will fail for any amount of gas, then the ETH will be locked permanently. This function only works with OptimismMintableERC20 tokens or ether. Use the `bridgeERC20To` function to bridge native L2 tokens to L1.

Parameters

Name	Type	Description
_l2Token	address	Address of the L2 token to withdraw.
_to	address	Recipient account on L1.
_amount	uint256	Amount of the L2 token to withdraw.
_minGasLimit	uint32	Minimum gas limit to use for the transaction.
_extraData	bytes	Extra data attached to the withdrawal.

Events

DepositFinalized(l1Token: address, l2Token: address, from: address, to: address, amount: uint256, extraData: bytes)

Emitted whenever an ERC20 deposit is finalized.

Name	Type	Indexed	Description
l1Token	address	✓	Address of the token on L1.
l2Token	address	✓	Address of the corresponding token on L2.
from	address	✓	Address of the depositor.
to	address		Address of the recipient on L2.
amount	uint256		Amount of the ERC20 deposited.
extraData	bytes		Extra data attached to the deposit.

ERC20BridgeFinalized(localToken: address, remoteToken: address, from: address, to: address, amount: uint256, extraData: bytes)

Emitted when an ERC20 bridge is finalized on this chain.

Name	Type	Indexed	Description
localToken	address	✓	Address of the ERC20 on this chain.
remoteToken	address	✓	Address of the ERC20 on the remote chain.
from	address	✓	Address of the sender.
to	address		Address of the receiver.
amount	uint256		Amount of the ERC20 sent.
extraData	bytes		Extra data sent with the transaction.

ERC20BridgeInitiated(localToken: address, remoteToken: address, from: address, to: address, amount: uint256, extraData: bytes)

Emitted when an ERC20 bridge is initiated to the other chain.

Name	Type	Indexed	Description
localToken	address	✓	Address of the ERC20 on this chain.
remoteToken	address	✓	Address of the ERC20 on the remote chain.
from	address	✓	Address of the sender.
to	address		Address of the receiver.
amount	uint256		Amount of the ERC20 sent.
extraData	bytes		Extra data sent with the transaction.

ETHBridgeFinalized(from: address, to: address, amount: uint256, extraData: bytes)

Emitted when an ETH bridge is finalized on this chain.

Name	Type	Indexed	Description
from	address	✓	Address of the sender.
to	address	✓	Address of the receiver.
amount	uint256		Amount of ETH sent.
extraData	bytes		Extra data sent with the transaction.

ETHBridgeInitiated(from: address, to: address, amount: uint256, extraData: bytes)

Emitted when an ETH bridge is initiated to the other chain.

Name	Type	Indexed	Description
from	address	✓	Address of the sender.
to	address	✓	Address of the receiver.
amount	uint256		Amount of ETH sent.
extraData	bytes		Extra data sent with the transaction.

Initialized(version: uint8)

Name	Type	Indexed	Description
version	uint8

WithdrawalInitiated(l1Token: address, l2Token: address, from: address, to: address, amount: uint256, extraData: bytes)

Emitted whenever a withdrawal from L2 to L1 is initiated.

Name	Type	Indexed	Description
l1Token	address	✓	Address of the token on L1.
l2Token	address	✓	Address of the corresponding token on L2.
from	address	✓	Address of the withdrawer.
to	address		Address of the recipient on L1.
amount	uint256		Amount of the ERC20 withdrawn.
extraData	bytes		Extra data attached to the withdrawal.