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Memo

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This commit is contained in:
Henry Varona 2016-12-09 23:22:46 -04:00
parent d594a9b2c2
commit 91c5d7d181
1 changed files with 14 additions and 13 deletions
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27
src/main/java/com/luminiasoft/bitshares/Memo.java
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@ -17,34 +17,36 @@ import org.bitcoinj.core.ECKey;
* Created by nelson on 11/9/16. * Created by nelson on 11/9/16.
*/ */
public class Memo implements ByteSerializable, JsonSerializable { public class Memo implements ByteSerializable, JsonSerializable {
public static final String KEY_FROM = "from";
public static final String KEY_TO = "to"; public static final String KEY_FROM = "from";
public static final String KEY_NONCE = "nonce"; public static final String KEY_TO = "to";
public static final String KEY_MESSAGE = "message"; public static final String KEY_NONCE = "nonce";
public static final String KEY_MESSAGE = "message";
private PublicKey from; private PublicKey from;
private PublicKey to; private PublicKey to;
private byte[] nonce = new byte[8]; private byte[] nonce = new byte[8];
private byte[] message; private byte[] message;
public Memo(){ public Memo() {
this.from = null; this.from = null;
this.to = null; this.to = null;
this.nonce = null; this.nonce = null;
this.message = null; this.message = null;
} }
public Memo(PublicKey from, PublicKey to, String message){ public Memo(PublicKey from, PublicKey to, String message) {
this.from = from; this.from = from;
this.to = to; this.to = to;
this.message = message.getBytes(); this.message = message.getBytes();
this.encodeMessage(from.getKey(), to.getKey(), this.message, 0);
} }
@Override @Override
public byte[] toBytes() { public byte[] toBytes() {
if ((this.from == null) || (this.to == null) || (this.nonce == null) || (this.message == null)) { if ((this.from == null) || (this.to == null) || (this.nonce == null) || (this.message == null)) {
return new byte[] { (byte) 0}; return new byte[]{(byte) 0};
}else{ } else {
return Bytes.concat(this.from.toBytes(), this.to.toBytes(), this.nonce, this.message); return Bytes.concat(this.from.toBytes(), this.to.toBytes(), this.nonce, this.message);
} }
} }
@ -79,7 +81,7 @@ public class Memo implements ByteSerializable, JsonSerializable {
} }
} }
byte[] secret = fromKey.getPubKeyPoint().multiply(toKey.getPrivKey()).normalize().getXCoord().getEncoded(); byte[] secret = toKey.getPubKeyPoint().multiply(fromKey.getPrivKey()).normalize().getXCoord().getEncoded();
byte[] finalKey = new byte[secret.length + this.nonce.length]; byte[] finalKey = new byte[secret.length + this.nonce.length];
System.arraycopy(secret, 0, finalKey, 0, secret.length); System.arraycopy(secret, 0, finalKey, 0, secret.length);
System.arraycopy(this.nonce, 0, finalKey, secret.length, this.nonce.length); System.arraycopy(this.nonce, 0, finalKey, secret.length, this.nonce.length);
@ -102,7 +104,7 @@ public class Memo implements ByteSerializable, JsonSerializable {
this.from = new PublicKey(fromKey); this.from = new PublicKey(fromKey);
this.nonce = nonce; this.nonce = nonce;
byte[] secret = toKey.getPubKeyPoint().multiply(fromKey.getPrivKey()).normalize().getXCoord().getEncoded(); byte[] secret = fromKey.getPubKeyPoint().multiply(toKey.getPrivKey()).normalize().getXCoord().getEncoded();
byte[] finalKey = new byte[secret.length + this.nonce.length]; byte[] finalKey = new byte[secret.length + this.nonce.length];
System.arraycopy(secret, 0, finalKey, 0, secret.length); System.arraycopy(secret, 0, finalKey, 0, secret.length);
System.arraycopy(this.nonce, 0, finalKey, secret.length, this.nonce.length); System.arraycopy(this.nonce, 0, finalKey, secret.length, this.nonce.length);
@ -126,10 +128,9 @@ public class Memo implements ByteSerializable, JsonSerializable {
} }
JsonObject memoObject = new JsonObject(); JsonObject memoObject = new JsonObject();
memoObject.addProperty(KEY_FROM, new Address(this.from.getKey()).toString()); memoObject.addProperty(KEY_FROM, new Address(this.from.getKey()).toString());
memoObject.addProperty(KEY_MESSAGE, new BigInteger(1, this.message).toString(16));
memoObject.addProperty(KEY_NONCE, new BigInteger(1, this.nonce).toString(10));
memoObject.addProperty(KEY_TO, new Address(this.to.getKey()).toString()); memoObject.addProperty(KEY_TO, new Address(this.to.getKey()).toString());
//memoObject.addProperty(KEY_NONCE, new BigInteger(1,this.nonce).toString(10));
memoObject.addProperty(KEY_NONCE, new BigInteger(1,this.nonce).toString(10));
memoObject.addProperty(KEY_MESSAGE, new BigInteger(1,this.message).toString(16));
return memoObject; return memoObject;
} }