PrivateKey.java
package com.syntifi.near.api.model.key;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;
import com.syntifi.crypto.key.AbstractPrivateKey;
import com.syntifi.crypto.key.Ed25519PrivateKey;
import com.syntifi.near.api.exception.NoSuchTypeException;
import lombok.Builder;
/**
* Holds a Near PrivateKey
*
* @author Alexandre Carvalho
* @author Andre Bertolace
* @since 0.0.1
*/
public class PrivateKey extends KeySig {
private static final int KEY_SIZE = 32;
public PrivateKey() {
// This solves the case for borsh deserialization for keys of
// type ED25591 because to read the 'fixed' byte array we must know
// its size.
// If any other key (and signature) is implemented, a different
// approach is needed (like getters and setters annotation on borsh)
this.data = new byte[KEY_SIZE];
}
@Builder
public PrivateKey(KeyType keyType, byte[] data) {
super(keyType, data);
}
public AbstractPrivateKey getPrivateKey() {
if (type == KeyType.ED25519) {
return new Ed25519PrivateKey(data);
}
throw new NoSuchTypeException(String.format("No implementation found for key type %s", type));
}
@JsonCreator
public static PrivateKey getPublicKeyFromJson(String base58String) {
return PrivateKey.fromEncodedBase58String(base58String, PrivateKey.class);
}
@JsonValue
public String getJsonPublicKey() {
return this.toEncodedBase58String();
}
}