Function signPayloadWithECDSA

Signs the payload using an ECDSA private key.

Example: Sign EIP712 transaction hash.

import { EIP712Signer, signPayloadWithECDSA, types } from "web3-plugin-zksync";

const PRIVATE_KEY = "<PRIVATE_KEY>";

const tx: types.Eip712TxData = {
  chainId: 270,
  from: "<ADDRESS>",
  to: "<RECEIVER>",
  value: 7_000_000_000,
};

const txHash = EIP712Signer.getSignedDigest(tx);
const result = signPayloadWithECDSA(txHash, PRIVATE_KEY);
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Example: Sign message hash.

import { signPayloadWithECDSA } from "web3-plugin-zksync";
import { hashMessage } from "web3-eth-accounts";

const PRIVATE_KEY = "<PRIVATE_KEY>";

const message = 'Hello World!';
const messageHash = hashMessage(message);

const result = signPayloadWithECDSA(messageHash, PRIVATE_KEY);
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