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Reduce bitcoinj exposure to classes outside of org.qortal.crosschain package.

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BTC.getBalance() now returns Long instead of Coin.

BTC.FORMAT.format(Coin) changed to BTC.format(Coin or long).

Added BTC.deriveP2shAddress(byte[] redeemScriptBytes).
This commit is contained in:
catbref
2020-06-11 14:16:49 +01:00
parent 04d691991a
commit 593b61ea4b
6 changed files with 46 additions and 34 deletions
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18
src/main/java/org/qortal/api/resource/CrossChainResource.java
View File

@@ -498,17 +498,17 @@ public class CrossChainResource {
// Check P2SH is funded
Coin p2shBalance = BTC.getInstance().getBalance(p2shAddress.toString());
Long p2shBalance = BTC.getInstance().getBalance(p2shAddress.toString());
if (p2shBalance == null)
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.ADDRESS_UNKNOWN);
CrossChainBitcoinP2SHStatus p2shStatus = new CrossChainBitcoinP2SHStatus();
p2shStatus.bitcoinP2shAddress = p2shAddress.toString();
p2shStatus.bitcoinP2shBalance = BigDecimal.valueOf(p2shBalance.value, 8);
p2shStatus.bitcoinP2shBalance = BigDecimal.valueOf(p2shBalance, 8);
List<TransactionOutput> fundingOutputs = BTC.getInstance().getUnspentOutputs(p2shAddress.toString());
if (p2shBalance.value >= crossChainTradeData.expectedBitcoin && !fundingOutputs.isEmpty()) {
if (p2shBalance >= crossChainTradeData.expectedBitcoin && !fundingOutputs.isEmpty()) {
p2shStatus.canRedeem = now >= medianBlockTime * 1000L;
p2shStatus.canRefund = now >= crossChainTradeData.lockTime * 1000L;
}
@@ -591,7 +591,7 @@ public class CrossChainResource {
// Check P2SH is funded
Coin p2shBalance = BTC.getInstance().getBalance(p2shAddress.toString());
Long p2shBalance = BTC.getInstance().getBalance(p2shAddress.toString());
if (p2shBalance == null)
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.ADDRESS_UNKNOWN);
@@ -603,10 +603,10 @@ public class CrossChainResource {
if (!canRefund)
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.BTC_TOO_SOON);
if (p2shBalance.value < crossChainTradeData.expectedBitcoin)
if (p2shBalance < crossChainTradeData.expectedBitcoin)
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.BTC_BALANCE_ISSUE);
Coin refundAmount = p2shBalance.subtract(Coin.valueOf(refundRequest.bitcoinMinerFee.unscaledValue().longValue()));
Coin refundAmount = Coin.valueOf(p2shBalance - refundRequest.bitcoinMinerFee.unscaledValue().longValue());
org.bitcoinj.core.Transaction refundTransaction = BTCACCT.buildRefundTransaction(refundAmount, refundKey, fundingOutputs, redeemScriptBytes, crossChainTradeData.lockTime);
boolean wasBroadcast = BTC.getInstance().broadcastTransaction(refundTransaction);
@@ -692,11 +692,11 @@ public class CrossChainResource {
long now = NTP.getTime();
// Check P2SH is funded
Coin p2shBalance = BTC.getInstance().getBalance(p2shAddress.toString());
Long p2shBalance = BTC.getInstance().getBalance(p2shAddress.toString());
if (p2shBalance == null)
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.ADDRESS_UNKNOWN);
if (p2shBalance.value < crossChainTradeData.expectedBitcoin)
if (p2shBalance < crossChainTradeData.expectedBitcoin)
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.BTC_BALANCE_ISSUE);
List<TransactionOutput> fundingOutputs = BTC.getInstance().getUnspentOutputs(p2shAddress.toString());
@@ -707,7 +707,7 @@ public class CrossChainResource {
if (!canRedeem)
throw ApiExceptionFactory.INSTANCE.createException(request, ApiError.BTC_TOO_SOON);
Coin redeemAmount = p2shBalance.subtract(Coin.valueOf(redeemRequest.bitcoinMinerFee.unscaledValue().longValue()));
Coin redeemAmount = Coin.valueOf(p2shBalance - redeemRequest.bitcoinMinerFee.unscaledValue().longValue());
org.bitcoinj.core.Transaction redeemTransaction = BTCACCT.buildRedeemTransaction(redeemAmount, redeemKey, fundingOutputs, redeemScriptBytes, redeemRequest.secret);
boolean wasBroadcast = BTC.getInstance().broadcastTransaction(redeemTransaction);

26
src/main/java/org/qortal/crosschain/BTC.java
View File

@@ -8,6 +8,7 @@ import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.bitcoinj.core.Address;
import org.bitcoinj.core.Coin;
import org.bitcoinj.core.LegacyAddress;
import org.bitcoinj.core.NetworkParameters;
import org.bitcoinj.core.Transaction;
import org.bitcoinj.core.TransactionOutput;
@@ -16,13 +17,13 @@ import org.bitcoinj.params.RegTestParams;
import org.bitcoinj.params.TestNet3Params;
import org.bitcoinj.script.ScriptBuilder;
import org.bitcoinj.utils.MonetaryFormat;
import org.qortal.crypto.Crypto;
import org.qortal.settings.Settings;
import org.qortal.utils.BitTwiddling;
import org.qortal.utils.Pair;
public class BTC {
public static final MonetaryFormat FORMAT = new MonetaryFormat().minDecimals(8).postfixCode();
public static final long NO_LOCKTIME_NO_RBF_SEQUENCE = 0xFFFFFFFFL;
public static final long LOCKTIME_NO_RBF_SEQUENCE = NO_LOCKTIME_NO_RBF_SEQUENCE - 1;
public static final int HASH160_LENGTH = 20;
@@ -30,6 +31,7 @@ public class BTC {
protected static final Logger LOGGER = LogManager.getLogger(BTC.class);
private static final int TIMESTAMP_OFFSET = 4 + 32 + 32;
private static final MonetaryFormat FORMAT = new MonetaryFormat().minDecimals(8).postfixCode();
public enum BitcoinNet {
MAIN {
@@ -88,6 +90,20 @@ public class BTC {
// Actual useful methods for use by other classes
public static String format(Coin amount) {
return BTC.FORMAT.format(amount).toString();
}
public static String format(long amount) {
return format(Coin.valueOf(amount));
}
public String deriveP2shAddress(byte[] redeemScriptBytes) {
byte[] redeemScriptHash = Crypto.hash160(redeemScriptBytes);
Address p2shAddress = LegacyAddress.fromScriptHash(params, redeemScriptHash);
return p2shAddress.toString();
}
/** Returns median timestamp from latest 11 blocks, in seconds. */
public Integer getMedianBlockTime() {
Integer height = this.electrumX.getCurrentHeight();
@@ -107,12 +123,8 @@ public class BTC {
return blockTimestamps.get(5);
}
public Coin getBalance(String base58Address) {
Long balance = this.electrumX.getBalance(addressToScript(base58Address));
if (balance == null)
return null;
return Coin.valueOf(balance);
public Long getBalance(String base58Address) {
return this.electrumX.getBalance(addressToScript(base58Address));
}
public List<TransactionOutput> getUnspentOutputs(String base58Address) {