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

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package org.fisco.bcos.web3j.crypto;

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

/** Credentials wrapper. */
public class Credentials {

  private final ECKeyPair ecKeyPair;
  private final String address;

  private Credentials(ECKeyPair ecKeyPair, String address) {
    this.ecKeyPair = ecKeyPair;
    this.address = address;
  }

  public ECKeyPair getEcKeyPair() {
    return ecKeyPair;
  }

  public String getAddress() {
    return address;
  }

  public static Credentials create(ECKeyPair ecKeyPair) {
    String address = Numeric.prependHexPrefix(Keys.getAddress(ecKeyPair));
    return new Credentials(ecKeyPair, address);
  }

  public static Credentials create(String privateKey, String publicKey) {
    return create(new ECKeyPair(Numeric.toBigInt(privateKey), Numeric.toBigInt(publicKey)));
  }

  public static Credentials create(String privateKey) {
    return create(ECKeyPair.create(Numeric.toBigInt(privateKey)));
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }

    Credentials that = (Credentials) o;

    if (ecKeyPair != null ? !ecKeyPair.equals(that.ecKeyPair) : that.ecKeyPair != null) {
      return false;
    }

    return address != null ? address.equals(that.address) : that.address == null;
  }

  @Override
  public int hashCode() {
    int result = ecKeyPair != null ? ecKeyPair.hashCode() : 0;
    result = 31 * result + (address != null ? address.hashCode() : 0);
    return result;
  }
}