Function getHashedL2ToL1Msg

getHashedL2ToL1Msg(sender, msg, txNumberInBlock): string

Returns a keccak encoded message with a given sender address and block number from the L1 messenger contract.

Parameters

sender: string
The sender of the message on L2.
msg: Bytes
The encoded message.
txNumberInBlock: number
The index of the transaction in the block.

Returns string

The hashed L2->L1 message.

Example

const withdrawETHMessage = "0x6c0960f936615cf349d7f6344891b1e7ca7c72883f5dc04900000000000000000000000000000000000000000000000000000001a13b8600";
const withdrawETHMessageHash = utils.getHashedL2ToL1Msg("0x36615Cf349d7F6344891B1e7CA7C72883F5dc049", withdrawETHMessage, 0);
// withdrawETHMessageHash = "0xd8c80ecb64619e343f57c3b133c6c6d8dd0572dd3488f1ca3276c5b7fd3a938d"