Change Public Key

In order to send L2 transactions, a user has to associate a key pair with the account they would like to use.

setSigningKey(changePubKey: {
    feeToken: TokenLike;
    ethAuthType: ChangePubkeyTypes;
    fee?: BigNumberish;
    nonce?: Nonce;
    validFrom?: number;
    validUntil?: number;
}): Promise<Transaction>;

Parameter	Description
.feeToken	Token to pay the fee in
.ethAuthType	The type which determines how to verify the Ethereum signature
.fee	Amount of token to be paid as a fee for the transaction
.nonce	Nonce that is going to be used
.validFrom	Unix timestamp
.validUntil	Unix timestamp