Fixing a bug with memo deserialization
Nelson R. Perez
parent
61dc72724e
commit
b305faa662
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@ -1,7 +1,22 @@
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package cy.agorise.graphenej;
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import com.google.common.primitives.Bytes;
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import org.tukaani.xz.*;
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import com.google.common.primitives.UnsignedLong;
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import org.spongycastle.crypto.DataLengthException;
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import org.spongycastle.crypto.InvalidCipherTextException;
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import org.spongycastle.crypto.engines.AESFastEngine;
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import org.spongycastle.crypto.modes.CBCBlockCipher;
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import org.spongycastle.crypto.paddings.PaddedBufferedBlockCipher;
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import org.spongycastle.crypto.params.KeyParameter;
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import org.spongycastle.crypto.params.ParametersWithIV;
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import org.tukaani.xz.CorruptedInputException;
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import org.tukaani.xz.FinishableOutputStream;
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import org.tukaani.xz.LZMA2Options;
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import org.tukaani.xz.LZMAInputStream;
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import org.tukaani.xz.LZMAOutputStream;
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import org.tukaani.xz.XZInputStream;
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import org.tukaani.xz.XZOutputStream;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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@ -13,13 +28,6 @@ import java.security.NoSuchAlgorithmException;
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import java.util.Arrays;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.spongycastle.crypto.DataLengthException;
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import org.spongycastle.crypto.InvalidCipherTextException;
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import org.spongycastle.crypto.engines.AESFastEngine;
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import org.spongycastle.crypto.modes.CBCBlockCipher;
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import org.spongycastle.crypto.paddings.PaddedBufferedBlockCipher;
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import org.spongycastle.crypto.params.KeyParameter;
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import org.spongycastle.crypto.params.ParametersWithIV;
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/**
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* Class used to encapsulate common utility methods
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@ -210,6 +218,15 @@ public class Util {
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return ByteBuffer.allocate(Long.SIZE / 8).putLong(Long.reverseBytes(input)).array();
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}
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/**
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* Same operation as in the revertInteger function, but with an UnsignedLong object as argument.
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* @param input An UnsignedLong class instance
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* @return The array of bytes that represent this value in the reverse format.
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*/
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public static byte[] revertUnsignedLong(UnsignedLong input){
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return ByteBuffer.allocate(Long.SIZE / 8).putLong(Long.reverseBytes(input.longValue())).array();
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}
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public static byte[] revertBytes(byte[] array){
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byte[] reverted = new byte[array.length];
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for(int i = 0; i < reverted.length; i++){
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@ -1,20 +1,13 @@
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package cy.agorise.graphenej.objects;
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import com.google.common.primitives.Bytes;
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import com.google.common.primitives.UnsignedLong;
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import com.google.gson.JsonDeserializationContext;
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import com.google.gson.JsonDeserializer;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParseException;
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import cy.agorise.graphenej.Address;
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import cy.agorise.graphenej.PublicKey;
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import cy.agorise.graphenej.Util;
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import cy.agorise.graphenej.errors.ChecksumException;
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import cy.agorise.graphenej.errors.MalformedAddressException;
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import cy.agorise.graphenej.interfaces.ByteSerializable;
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import cy.agorise.graphenej.interfaces.JsonSerializable;
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import org.bitcoinj.core.ECKey;
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import org.spongycastle.math.ec.ECPoint;
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@ -23,8 +16,17 @@ import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Arrays;
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import cy.agorise.graphenej.Address;
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import cy.agorise.graphenej.PublicKey;
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import cy.agorise.graphenej.Util;
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import cy.agorise.graphenej.errors.ChecksumException;
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import cy.agorise.graphenej.errors.MalformedAddressException;
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import cy.agorise.graphenej.interfaces.ByteSerializable;
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import cy.agorise.graphenej.interfaces.JsonSerializable;
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/**
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* Created by nelson on 11/9/16.
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* Class used to represent a memo data structure
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* {@url https://bitshares.org/doxygen/structgraphene_1_1chain_1_1memo__data.html}
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*/
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public class Memo implements ByteSerializable, JsonSerializable {
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public final static String TAG = "Memo";
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@ -35,7 +37,7 @@ public class Memo implements ByteSerializable, JsonSerializable {
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private Address from;
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private Address to;
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private long nonce;
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private UnsignedLong nonce;
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private byte[] message;
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private String plaintextMessage;
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@ -66,7 +68,7 @@ public class Memo implements ByteSerializable, JsonSerializable {
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* @param nonce: Nonce used in the encryption.
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* @param message: Message in ciphertext.
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*/
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public Memo(Address from, Address to, long nonce, byte[] message){
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public Memo(Address from, Address to, UnsignedLong nonce, byte[] message){
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this.from = from;
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this.to = to;
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this.nonce = nonce;
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@ -89,7 +91,7 @@ public class Memo implements ByteSerializable, JsonSerializable {
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return this.to;
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}
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public long getNonce(){
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public UnsignedLong getNonce(){
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return this.nonce;
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}
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@ -235,7 +237,7 @@ public class Memo implements ByteSerializable, JsonSerializable {
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new byte[]{(byte) this.message.length},
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this.message);
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} else {
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byte[] nonceBytes = Util.revertLong(nonce);
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byte[] nonceBytes = Util.revertUnsignedLong(nonce);
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ECPoint senderPoint = ECKey.compressPoint(from.getPublicKey().getKey().getPubKeyPoint());
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PublicKey senderPublicKey = new PublicKey(ECKey.fromPublicOnly(senderPoint));
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@ -287,7 +289,7 @@ public class Memo implements ByteSerializable, JsonSerializable {
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JsonObject jsonObject = json.getAsJsonObject();
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String fromAddress = jsonObject.get(KEY_FROM).getAsString();
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String toAddress = jsonObject.get(KEY_TO).getAsString();
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long nonce = jsonObject.get(KEY_NONCE).getAsLong();
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UnsignedLong nonce = UnsignedLong.valueOf(jsonObject.get(KEY_NONCE).getAsString());
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String msg = jsonObject.get(KEY_MESSAGE).getAsString();
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Memo memo = null;
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@ -295,6 +297,7 @@ public class Memo implements ByteSerializable, JsonSerializable {
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Address from = new Address(fromAddress);
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Address to = new Address(toAddress);
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byte[] message = Util.hexToBytes(msg);
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memo = new Memo(from, to, nonce, message);
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}catch(MalformedAddressException e){
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System.out.println("MalformedAddressException. Msg: "+e.getMessage());
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@ -4,24 +4,30 @@ import com.google.common.primitives.UnsignedLong;
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import com.neovisionaries.ws.client.WebSocket;
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import com.neovisionaries.ws.client.WebSocketException;
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import com.neovisionaries.ws.client.WebSocketFactory;
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import org.bitcoinj.core.ECKey;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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import java.io.IOException;
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import java.security.NoSuchAlgorithmException;
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import java.util.ArrayList;
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import java.util.List;
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import javax.net.ssl.SSLContext;
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import cy.agorise.graphenej.api.GetLimitOrders;
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import cy.agorise.graphenej.api.TransactionBroadcastSequence;
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import cy.agorise.graphenej.interfaces.WitnessResponseListener;
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import cy.agorise.graphenej.models.BaseResponse;
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import cy.agorise.graphenej.models.WitnessResponse;
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import cy.agorise.graphenej.objects.Memo;
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import cy.agorise.graphenej.operations.*;
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import cy.agorise.graphenej.operations.LimitOrderCancelOperation;
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import cy.agorise.graphenej.operations.LimitOrderCreateOperation;
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import cy.agorise.graphenej.operations.TransferOperation;
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import cy.agorise.graphenej.operations.TransferOperationBuilder;
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import cy.agorise.graphenej.test.NaiveSSLContext;
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import org.bitcoinj.core.ECKey;
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import org.junit.Assert;
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import org.junit.Before;
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import org.junit.Test;
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import javax.net.ssl.SSLContext;
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import java.io.IOException;
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import java.security.NoSuchAlgorithmException;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Created by nelson on 3/6/17.
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@ -138,7 +144,7 @@ public class TransactionTest {
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// Creating memo
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long nonce = 1;
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byte[] encryptedMessage = Memo.encryptMessage(sourcePrivateKey, to1, nonce, "another message");
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Memo memo = new Memo(new Address(ECKey.fromPublicOnly(sourcePrivateKey.getPubKey())), new Address(to1.getKey()), nonce, encryptedMessage);
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Memo memo = new Memo(new Address(ECKey.fromPublicOnly(sourcePrivateKey.getPubKey())), new Address(to1.getKey()), UnsignedLong.valueOf(nonce), encryptedMessage);
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// Creating operation 1
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TransferOperation transferOperation1 = new TransferOperationBuilder()
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@ -0,0 +1,21 @@
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package cy.agorise.graphenej;
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import com.google.common.primitives.UnsignedLong;
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import junit.framework.Assert;
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import org.junit.Test;
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/**
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* Class used to test Util methods
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*/
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public class UtilTest {
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@Test
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public void testRevertUnsignedLong(){
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UnsignedLong unsignedLong = UnsignedLong.valueOf("12179241258665439971");
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byte[] reversed = Util.revertUnsignedLong(unsignedLong);
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Assert.assertEquals("e3f28878655b05a9", Util.bytesToHex(reversed));
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}
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}
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@ -1,14 +1,18 @@
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package cy.agorise.graphenej.objects;
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import com.google.common.primitives.UnsignedLong;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import org.bitcoinj.core.DumpedPrivateKey;
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import org.bitcoinj.core.ECKey;
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import org.junit.Before;
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import org.junit.Test;
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import cy.agorise.graphenej.Address;
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import cy.agorise.graphenej.PublicKey;
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import cy.agorise.graphenej.Util;
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import cy.agorise.graphenej.errors.ChecksumException;
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import org.bitcoinj.core.DumpedPrivateKey;
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import org.bitcoinj.core.ECKey;
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import org.junit.*;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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@ -130,7 +134,7 @@ public class MemoTest {
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@Test
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public void shouldBeJsonObjectSerializable(){
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byte[] encrypted = Memo.encryptMessage(sourcePrivate, destinationAddress, 1, shortMessage);
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Memo memo = new Memo(sourceAddress, destinationAddress, 1, encrypted);
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Memo memo = new Memo(sourceAddress, destinationAddress, UnsignedLong.ONE, encrypted);
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JsonElement jsonObject = memo.toJsonObject();
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JsonObject reference = new JsonObject();
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reference.addProperty("from", "BTS8RiFgs8HkcVPVobHLKEv6yL3iXcC9SWjbPVS15dDAXLG9GYhnY");
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@ -144,7 +148,7 @@ public class MemoTest {
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public void shouldBeByteSerializable(){
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String byteReference = "0103d1fb8c7421db64d46fba7e36f428854ca06eff65698b293f37c7ffaa54e2c2b203aece7c31616c02fcc96b50d3397c0e8d33d6384655d477c300d9196c728a5ee20100000000000000104c81c2db6ebc61e3f9e0ead65c0559dd";
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byte[] encrypted = Memo.encryptMessage(sourcePrivate, destinationAddress, 1, shortMessage);
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Memo memo = new Memo(sourceAddress, destinationAddress, 1, encrypted);
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Memo memo = new Memo(sourceAddress, destinationAddress, UnsignedLong.ONE, encrypted);
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byte[] memoBytes = memo.toBytes();
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assertEquals("Memo instance should generate a valid byte array", byteReference, Util.bytesToHex(memoBytes));
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}
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