graphenej/src/main/java/com/luminiasoft/bitshares/Transfer.java

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2016-11-21 17:50:30 +00:00
package com.luminiasoft.bitshares;
import com.google.common.primitives.Bytes;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import java.lang.reflect.Type;
/**
* Class used to encapsulate the Transfer operation related functionalities.
*/
public class Transfer extends BaseOperation {
public static final String KEY_FEE = "fee";
public static final String KEY_AMOUNT = "amount";
public static final String KEY_EXTENSIONS = "extensions";
public static final String KEY_FROM = "from";
public static final String KEY_TO = "to";
private AssetAmount fee;
private AssetAmount amount;
private UserAccount from;
private UserAccount to;
private Memo memo;
private String[] extensions;
public Transfer(UserAccount from, UserAccount to, AssetAmount transferAmount, AssetAmount fee){
super(OperationType.transfer_operation);
this.from = from;
this.to = to;
this.amount = transferAmount;
this.fee = fee;
this.memo = new Memo();
}
public Transfer(UserAccount from, UserAccount to, AssetAmount transferAmount){
super(OperationType.transfer_operation);
this.from = from;
this.to = to;
this.amount = transferAmount;
this.memo = new Memo();
}
public void setFee(AssetAmount newFee){
this.fee = newFee;
}
@Override
public byte getId() {
return (byte) this.type.ordinal();
}
public UserAccount getFrom(){
return this.from;
}
public UserAccount getTo(){
return this.to;
}
public AssetAmount getAmount(){
return this.amount;
}
public AssetAmount getFee(){
return this.fee;
}
@Override
public byte[] toBytes() {
byte[] feeBytes = fee.toBytes();
byte[] fromBytes = from.toBytes();
byte[] toBytes = to.toBytes();
byte[] amountBytes = amount.toBytes();
byte[] memoBytes = memo.toBytes();
return Bytes.concat(feeBytes, fromBytes, toBytes, amountBytes, memoBytes);
}
@Override
public String toJsonString() {
GsonBuilder gsonBuilder = new GsonBuilder();
gsonBuilder.registerTypeAdapter(Transfer.class, new TransferSerializer());
return gsonBuilder.create().toJson(this);
}
@Override
public JsonElement toJsonObject() {
JsonArray array = new JsonArray();
array.add(this.getId());
JsonObject jsonObject = new JsonObject();
jsonObject.add(KEY_FEE, fee.toJsonObject());
jsonObject.add(KEY_AMOUNT, amount.toJsonObject());
jsonObject.add(KEY_EXTENSIONS, new JsonArray());
jsonObject.addProperty(KEY_FROM, from.toJsonString());
jsonObject.addProperty(KEY_TO, to.toJsonString());
array.add(jsonObject);
return array;
}
class TransferSerializer implements JsonSerializer<Transfer> {
@Override
public JsonElement serialize(Transfer transfer, Type type, JsonSerializationContext jsonSerializationContext) {
JsonArray arrayRep = new JsonArray();
arrayRep.add(transfer.getId());
arrayRep.add(toJsonObject());
return arrayRep;
}
}
}