146 lines
6.2 KiB
Java
146 lines
6.2 KiB
Java
package cy.agorise.crystalwallet.manager;
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import android.content.Context;
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import org.bitcoinj.core.Address;
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import org.bitcoinj.core.Coin;
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import org.bitcoinj.core.Sha256Hash;
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import org.bitcoinj.core.Transaction;
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import org.bitcoinj.core.TransactionOutPoint;
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import org.bitcoinj.crypto.ChildNumber;
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import org.bitcoinj.crypto.HDKeyDerivation;
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import org.bitcoinj.script.Script;
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import java.util.ArrayList;
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import java.util.List;
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import cy.agorise.crystalwallet.apigenerator.ApiRequest;
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import cy.agorise.crystalwallet.apigenerator.ApiRequestListener;
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import cy.agorise.crystalwallet.apigenerator.InsightApiGenerator;
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import cy.agorise.crystalwallet.apigenerator.insightapi.BroadcastTransaction;
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import cy.agorise.crystalwallet.models.CryptoNetAccount;
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import cy.agorise.crystalwallet.models.GTxIO;
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import cy.agorise.crystalwallet.models.GeneralCoinAddress;
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import cy.agorise.crystalwallet.models.GeneralTransaction;
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import cy.agorise.crystalwallet.requestmanagers.CryptoNetInfoRequest;
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import cy.agorise.crystalwallet.requestmanagers.CryptoNetInfoRequestsListener;
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import cy.agorise.crystalwallet.requestmanagers.GeneralAccountSendRequest;
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import cy.agorise.graphenej.Util;
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public class GeneralAccountManager implements CryptoAccountManager, CryptoNetInfoRequestsListener {
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@Override
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public void createAccountFromSeed(CryptoNetAccount account, ManagerRequest request, Context context) {
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}
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@Override
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public void importAccountFromSeed(CryptoNetAccount account, Context context) {
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}
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@Override
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public void loadAccountFromDB(CryptoNetAccount account, Context context) {
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}
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@Override
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public void onNewRequest(CryptoNetInfoRequest request) {
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}
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public void send(final GeneralAccountSendRequest request){
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//TODO check server connection
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//TODO validate to address
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InsightApiGenerator.getEstimateFee(request.getAccount().getCryptoNet(),new ApiRequest(1, new ApiRequestListener() {
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@Override
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public void success(Object answer, int idPetition) {
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Transaction tx = new Transaction(request.getAccount().getNetworkParam());
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long currentAmount = 0;
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long fee = -1;
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long feeRate = (Long) answer;
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fee = 226 * feeRate;
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List<GeneralCoinAddress> addresses = request.getAccount().getAddresses();
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List<GTxIO> utxos = new ArrayList();
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for(GeneralCoinAddress address : addresses){
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List<GTxIO> addrUtxos = address.getUTXos();
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for(GTxIO addrUtxo : addrUtxos){
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utxos.add(addrUtxo);
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currentAmount += addrUtxo.getAmount();
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if(currentAmount >= request.getAmount()+ fee){
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break;
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}
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}
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if(currentAmount >= request.getAmount() + fee){
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break;
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}
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}
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if(currentAmount< request.getAmount() + fee){
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request.setStatus(GeneralAccountSendRequest.StatusCode.NO_BALANCE);
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return;
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}
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//String to an address
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Address toAddr = Address.fromBase58(request.getAccount().getNetworkParam(), request.getToAccount());
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tx.addOutput(Coin.valueOf(request.getAmount()), toAddr);
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if(request.getMemo()!= null && !request.getMemo().isEmpty()){
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String memo = request.getMemo();
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if(request.getMemo().length()>40){
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memo = memo.substring(0,40);
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}
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byte[]scriptByte = new byte[memo.length()+2];
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scriptByte[0] = 0x6a;
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scriptByte[1] = (byte) memo.length();
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System.arraycopy(memo.getBytes(),0,scriptByte,2,memo.length());
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Script memoScript = new Script(scriptByte);
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tx.addOutput(Coin.valueOf(0),memoScript);
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}
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//Change address
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long remain = currentAmount - request.getAmount() - fee;
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if( remain > 0 ) {
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Address changeAddr = Address.fromBase58(request.getAccount().getNetworkParam(), request.getAccount().getNextChangeAddress());
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tx.addOutput(Coin.valueOf(remain), changeAddr);
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}
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for(GTxIO utxo: utxos) {
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Sha256Hash txHash = Sha256Hash.wrap(utxo.getTransaction().getTxid());
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Script script = new Script(Util.hexToBytes(utxo.getScriptHex()));
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TransactionOutPoint outPoint = new TransactionOutPoint(request.getAccount().getNetworkParam(), utxo.getIndex(), txHash);
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if(utxo.getAddress().getKey().isPubKeyOnly()){
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if(utxo.getAddress().isIsChange()){
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utxo.getAddress().setKey(HDKeyDerivation.deriveChildKey(request.getAccount().getChangeKey(), new ChildNumber(utxo.getAddress().getIndex(), false)));
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}else{
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utxo.getAddress().setKey(HDKeyDerivation.deriveChildKey(request.getAccount().getExternalKey(), new ChildNumber(utxo.getAddress().getIndex(), false)));
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}
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}
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tx.addSignedInput(outPoint, script, utxo.getAddress().getKey(), Transaction.SigHash.ALL, true);
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}
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InsightApiGenerator.broadcastTransaction(request.getAccount().getCryptoNet(),Util.bytesToHex(tx.bitcoinSerialize()),new ApiRequest(1, new ApiRequestListener() {
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@Override
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public void success(Object answer, int idPetition) {
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request.setStatus(GeneralAccountSendRequest.StatusCode.SUCCEEDED);
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}
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@Override
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public void fail(int idPetition) {
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request.setStatus(GeneralAccountSendRequest.StatusCode.PETITION_FAILED);
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}
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}));
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}
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@Override
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public void fail(int idPetition) {
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request.setStatus(GeneralAccountSendRequest.StatusCode.NO_FEE);
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}
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}));
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}
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}
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