OutputWrapper.java

package co.gem.round.coinop;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import org.bitcoinj.core.Coin;
import org.bitcoinj.core.Transaction;
import org.bitcoinj.core.TransactionOutput;
import org.bitcoinj.script.Script;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by julian on 11/24/14.
 */
public class OutputWrapper {
    private TransactionOutput output;

    private OutputWrapper(TransactionOutput output) {
        this.output = output;
    }

    public static OutputWrapper parseOutput(JsonObject outputJson, Transaction parent) {
        Coin value = Coin.valueOf(outputJson.get("value").getAsLong());
        Script script = ScriptWrapper.parseScript(outputJson.get("script").getAsJsonObject()
                .get("string").getAsString());
        TransactionOutput output = new TransactionOutput(parent.getParams(), parent, value, script.getProgram());
        return new OutputWrapper(output);
    }

    public static List<OutputWrapper> parseOutputs(JsonArray outputsJson, Transaction parent) {
        List<OutputWrapper> outputs = new ArrayList<OutputWrapper>();
        for (JsonElement element : outputsJson) {
            JsonObject outputJson = element.getAsJsonObject();
            OutputWrapper output = parseOutput(outputJson, parent);
            outputs.add(output);
            parent.addOutput(output.output());
        }

        return outputs;
    }

    public TransactionOutput output() {
        return output;
    }
}