signTransaction method

Future<String> signTransaction(
  1. Credentials privateKey,
  2. Transaction tx,
  3. int chainId
)

Implementation

Future<String> signTransaction(
    Credentials privateKey, Transaction tx, int chainId) async {
  final signedTx =
      await _web3Client.signTransaction(privateKey, tx, chainId: chainId);
  return Future.value('0x${HEX.encode(signedTx)}');
}