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Updated on 2026-08-14

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Tangem 2020-02-12 16:51:48 +03:00
parent 8013392219
commit 92d3780a82
7 changed files with 150 additions and 55 deletions
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122
app/src/main/java/com/tangem/wallet/btc/BtcEngine.java
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@ -13,6 +13,7 @@ import com.tangem.data.network.ServerApiBlockcypher;
import com.tangem.data.network.ServerApiCommon;
import com.tangem.data.network.model.BlockchainInfoAddress;
import com.tangem.data.network.model.BlockchainInfoAddressAndUnspents;
import com.tangem.data.network.model.BlockchainInfoInput;
import com.tangem.data.network.model.BlockchainInfoTransaction;
import com.tangem.data.network.model.BlockchainInfoUnspents;
import com.tangem.data.network.model.BlockchainInfoUtxo;
@ -53,6 +54,7 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import io.reactivex.Single;
import io.reactivex.SingleObserver;
import io.reactivex.observers.DisposableSingleObserver;
import okhttp3.ResponseBody;
@ -576,30 +578,6 @@ public class BtcEngine extends CoinEngine {
BlockchainInfoAddress blockchainInfoAddress = blockchainInfoAddressAndUnspents.getAddress();
BlockchainInfoUnspents blockchainInfoUnspents = blockchainInfoAddressAndUnspents.getUnspents();
if (blockchainInfoAddress.getFinal_balance() != null) {
coinData.setBalanceReceived(true);
coinData.setBalanceConfirmed(blockchainInfoAddress.getFinal_balance());
coinData.setBalanceUnconfirmed(0L);
coinData.setValidationNodeDescription(Server.ApiBlockchainInfo.URL_BLOCKCHAININFO);
for (BlockchainInfoTransaction tx : blockchainInfoAddress.getTxs()) {
if (tx.getBlock_height() == null) {
coinData.setHasUnconfirmed(true);
}
}
if (App.pendingTransactionsStorage.hasTransactions(ctx.getCard())) {
for (PendingTransactionsStorage.TransactionInfo pendingTx : App.pendingTransactionsStorage.getTransactions(ctx.getCard()).getTransactions()) {
String pendingTxId = BTCUtils.toHex(BTCUtils.reverse(CryptoUtil.doubleSha256(BTCUtils.fromHex(pendingTx.getTx()))));
for (BlockchainInfoTransaction responseTx : blockchainInfoAddress.getTxs()) {
if (responseTx.getHash().equals(pendingTxId)) {
App.pendingTransactionsStorage.removeTransaction(ctx.getCard(), pendingTx.getTx());
}
}
}
}
}
for (BlockchainInfoUtxo utxo : blockchainInfoUnspents.getUnspent_outputs()) {
BtcData.UnspentTransaction trUnspent = new BtcData.UnspentTransaction();
trUnspent.txID = utxo.getTx_hash_big_endian();
@ -609,7 +587,18 @@ public class BtcEngine extends CoinEngine {
coinData.getUnspentTransactions().add(trUnspent);
}
blockchainRequestsCallbacks.onComplete(true);
if (blockchainInfoAddress.getFinal_balance() != null) {
coinData.setBalanceReceived(true);
coinData.setBalanceConfirmed(blockchainInfoAddress.getFinal_balance());
coinData.setBalanceUnconfirmed(0L);
coinData.setValidationNodeDescription(Server.ApiBlockchainInfo.URL_BLOCKCHAININFO);
}
if (blockchainInfoAddress.getTxs() != null) {
checkTransactionsBlockchainInfo(Single.just(blockchainInfoAddress.getTxs()), serverApiBlockchainInfo, blockchainRequestsCallbacks);
} else {
blockchainRequestsCallbacks.onComplete(true);
}
}
@Override
@ -648,14 +637,29 @@ public class BtcEngine extends CoinEngine {
coinData.setValidationNodeDescription(Server.ApiBlockcypher.URL_BLOCKCYPHER);
coinData.getUnspentTransactions().clear();
//TODO: change request logic, 2000 tx max
if (blockcypherResponse.getTxrefs() != null) {
for (BlockcypherTxref txref : blockcypherResponse.getTxrefs()) {
BtcData.UnspentTransaction trUnspent = new BtcData.UnspentTransaction();
trUnspent.txID = txref.getTx_hash();
trUnspent.amount = txref.getValue();
trUnspent.outputN = txref.getTx_output_n();
trUnspent.script = txref.getScript();
coinData.getUnspentTransactions().add(trUnspent);
if (txref.getTx_input_n() == -1) { //recieved only
if (!txref.getSpent()) {
BtcData.UnspentTransaction trUnspent = new BtcData.UnspentTransaction();
trUnspent.txID = txref.getTx_hash();
trUnspent.amount = txref.getValue();
trUnspent.outputN = txref.getTx_output_n();
trUnspent.script = txref.getScript();
coinData.getUnspentTransactions().add(trUnspent);
}
} else { //sent only
coinData.incSentTransactionsCount();
}
}
}
if (blockcypherResponse.getUnconfirmed_txrefs() != null) {
for (BlockcypherTxref unconfirmedTxref : blockcypherResponse.getUnconfirmed_txrefs()) {
if (unconfirmedTxref.getTx_input_n() != -1) {
coinData.incSentTransactionsCount();
}
}
}
} catch (Exception e) {
@ -663,7 +667,7 @@ public class BtcEngine extends CoinEngine {
Log.e(TAG, "FAIL BLOCKCYPHER_ADDRESS Exception");
}
checkPending(blockchainRequestsCallbacks);
checkPendingBlockcypher(blockchainRequestsCallbacks);
}
public void onSuccess(String method, BlockcypherFee blockcypherFee) {
@ -686,7 +690,59 @@ public class BtcEngine extends CoinEngine {
}
}
private void checkPending(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
private void checkTransactionsBlockchainInfo(Single<List<BlockchainInfoTransaction>> txsSingle, ServerApiBlockchainInfo serverApiBlockchainInfo, BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
SingleObserver<List<BlockchainInfoTransaction>> txsObserver = new DisposableSingleObserver<List<BlockchainInfoTransaction>>() {
@Override
public void onSuccess(List<BlockchainInfoTransaction> txs) {
if (App.pendingTransactionsStorage.hasTransactions(ctx.getCard())) {
for (PendingTransactionsStorage.TransactionInfo pendingTx : App.pendingTransactionsStorage.getTransactions(ctx.getCard()).getTransactions()) {
String pendingTxId = BTCUtils.toHex(BTCUtils.reverse(CryptoUtil.doubleSha256(BTCUtils.fromHex(pendingTx.getTx()))));
for (BlockchainInfoTransaction responseTx : txs) {
if (pendingTxId.equals(responseTx.getHash())) {
App.pendingTransactionsStorage.removeTransaction(ctx.getCard(), pendingTx.getTx());
}
}
}
}
for (BlockchainInfoTransaction tx : txs) {
if (tx.getBlock_height() == null) {
coinData.setHasUnconfirmed(true);
}
for (BlockchainInfoInput input : tx.getInputs()) {
String inputAddress = input.getPrev_out().getAddr();
if (coinData.getWallet().equals(inputAddress)) {
coinData.incSentTransactionsCount();
}
}
}
if (txs.size() == 50) {
final ServerApiBlockchainInfo serverApiBlockchainInfo = new ServerApiBlockchainInfo();
checkTransactionsBlockchainInfo(serverApiBlockchainInfo.getMoreAddressTxs(coinData.getWallet()), serverApiBlockchainInfo, blockchainRequestsCallbacks);
} else {
blockchainRequestsCallbacks.onComplete(true);
}
}
@Override
public void onError(Throwable e) {
Log.i(TAG, "onError: getMoreAddressTxs" + e.getMessage());
coinData.setUseBlockcypher(true);
try {
requestBalanceAndUnspentTransactions(blockchainRequestsCallbacks);
} catch (Exception ex) {
ctx.setError(ex.getMessage());
blockchainRequestsCallbacks.onComplete(false);
}
}
};
txsSingle.subscribe(txsObserver);
}
private void checkPendingBlockcypher(BlockchainRequestsCallbacks blockchainRequestsCallbacks) {
if (App.pendingTransactionsStorage.hasTransactions(ctx.getCard())) {
ServerApiBlockcypher serverApiBlockcypher = new ServerApiBlockcypher();