ERC20Handler

Overview

License: MIT

contract ERC20Handler is IHandler

Enums info

ERC20BridgingType

enum ERC20BridgingType {
     LiquidityPool,
     Wrapped,
     USDCType
}

Structs info

ERC20DispatchData

struct ERC20DispatchData {
    address token;
    uint256 amount;
    string receiver;
    string network;
    bytes batch;
    ERC20Handler.ERC20BridgingType operationType;
}

ERC20RedeemData

struct ERC20RedeemData {
    address token;
    uint256 amount;
    address receiver;
    bytes batch;
    ERC20Handler.ERC20BridgingType operationType;
    bytes32 nonce;
}

Nonce is computed as keccak256(abi.encodePacked(originNetworkName, originTxHash, eventNumber)).

Events info

DispatchedERC20

event DispatchedERC20(address token, uint256 amount, string receiver, string network, bytes batch, ERC20Handler.ERC20BridgingType operationType)

Functions info

dispatch (0xab7fff18)

function dispatch(bytes calldata dispatchDetails_) external payable virtual

A function to dispatch assets or messages from the origin chain.

Parameters:

Name	Type	Description
dispatchDetails_	bytes	encoded data defining the dispatch operation.

redeem (0x3841185e)

function redeem(
    IBatcher batcher_,
    bytes calldata redeemDetails_
) external virtual

A function to redeem assets or messages on the destination chain.

Parameters:

Name	Type	Description
batcher_	contract IBatcher	the batcher contract coordinating batched executions.
redeemDetails_	bytes	encoded data defining the redeem operation.

getOperationHash (0xfd0532cf)

function getOperationHash(
    IBridge bridge_,
    string calldata network_,
    bytes calldata redeemDetails_
) external view virtual returns (bytes32)

A function to compute a redeem operation hash used for signing.

Parameters:

Name	Type	Description
bridge_	contract IBridge	the bridge contract.
network_	string	the network name.
redeemDetails_	bytes	encoded redeem operation details.

Return values:

Name	Type	Description
[0]	bytes32	Operation hash to be signed by bridge signers.