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Credentials.java
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/
Credentials.java
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/*
* Copyright 2019 Web3 Labs Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package org.web3j.crypto;
import org.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;
}
}