org.fisco.bcos.web3j.crypto.TransactionUtils Maven / Gradle / Ivy

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package org.fisco.bcos.web3j.crypto;

import org.fisco.bcos.web3j.utils.Numeric;

/** Transaction utility functions. */
public class TransactionUtils {

  /**
   * Utility method to provide the transaction hash for a given transaction.
   *
   * @param rawTransaction we wish to send
   * @param credentials of the sender
   * @return encoded transaction hash
   */
  public static byte[] generateTransactionHash(
      RawTransaction rawTransaction, Credentials credentials) {
    byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
    return Hash.sha3(signedMessage);
  }

  /**
   * Utility method to provide the transaction hash for a given transaction.
   *
   * @param rawTransaction we wish to send
   * @param chainId of the intended chain
   * @param credentials of the sender
   * @return encoded transaction hash
   */
  public static byte[] generateTransactionHash(
      RawTransaction rawTransaction, byte chainId, Credentials credentials) {
    byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, chainId, credentials);
    return Hash.sha3(signedMessage);
  }

  /**
   * Utility method to provide the transaction hash for a given transaction.
   *
   * @param rawTransaction we wish to send
   * @param credentials of the sender
   * @return transaction hash as a hex encoded string
   */
  public static String generateTransactionHashHexEncoded(
      RawTransaction rawTransaction, Credentials credentials) {
    return Numeric.toHexString(generateTransactionHash(rawTransaction, credentials));
  }

  /**
   * Utility method to provide the transaction hash for a given transaction.
   *
   * @param rawTransaction we wish to send
   * @param chainId of the intended chain
   * @param credentials of the sender
   * @return transaction hash as a hex encoded string
   */
  public static String generateTransactionHashHexEncoded(
      RawTransaction rawTransaction, byte chainId, Credentials credentials) {
    return Numeric.toHexString(generateTransactionHash(rawTransaction, chainId, credentials));
  }
}