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WIP: trade-bot now does complete end-to-end trade (more work needed)

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bitcoinj now uses ElectrumX as an UTXO provider in order to keep track
of coins in BIP32 deterministic wallet.

Trade responder (Alice) needs to pass a BIP32 extended private key to API
so trade-bot can create unattended spends.

Both Alice and Bob can find their final funds in accounts using the
ephemeral 'tradePrivateKey' from trade-bot state data.

Most cross-chain API calls are now only allowed from localhost.

Most Bitcoin fees pegged at 0.00001000 BTC.

More work needed to handle refunds in case of trade failures.
(See XXX comment tags in TradeBot.java)
This commit is contained in:
catbref
2020-07-08 16:35:02 +01:00
parent e729571a21
commit 579645d6b7
13 changed files with 802 additions and 76 deletions
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11
src/test/java/org/qortal/test/btcacct/BtcTests.java
View File

@@ -62,4 +62,15 @@ public class BtcTests extends Common {
assertTrue("secret incorrect", Arrays.equals(expectedSecret, secret));
}
@Test
public void testBuildSpend() {
BTC btc = BTC.getInstance();
String xprv58 = "tprv8ZgxMBicQKsPdahhFSrCdvC1bsWyzHHZfTneTVqUXN6s1wEtZLwAkZXzFP6TYLg2aQMecZLXLre5bTVGajEB55L1HYJcawpdFG66STVAWPJ";
String recipient = "2N8WCg52ULCtDSMjkgVTm5mtPdCsUptkHWE";
long amount = 1000L;
btc.buildSpend(xprv58, recipient, amount);
}
}

8
src/test/java/org/qortal/test/btcacct/ElectrumXTests.java
View File

@@ -12,8 +12,8 @@ import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.jsse.provider.BouncyCastleJsseProvider;
import org.junit.Test;
import org.qortal.crosschain.ElectrumX;
import org.qortal.crosschain.ElectrumX.UnspentOutput;
import org.qortal.utils.BitTwiddling;
import org.qortal.utils.Pair;
import com.google.common.hash.HashCode;
@@ -100,13 +100,13 @@ public class ElectrumXTests {
Address address = Address.fromString(TestNet3Params.get(), "2N4szZUfigj7fSBCEX4PaC8TVbC5EvidaVF");
byte[] script = ScriptBuilder.createOutputScript(address).getProgram();
List<Pair<byte[], Integer>> unspentOutputs = electrumX.getUnspentOutputs(script);
List<UnspentOutput> unspentOutputs = electrumX.getUnspentOutputs(script);
assertNotNull(unspentOutputs);
assertFalse(unspentOutputs.isEmpty());
for (Pair<byte[], Integer> unspentOutput : unspentOutputs)
System.out.println(String.format("TestNet address %s has unspent output at tx %s, output index %d", address, HashCode.fromBytes(unspentOutput.getA()).toString(), unspentOutput.getB()));
for (UnspentOutput unspentOutput : unspentOutputs)
System.out.println(String.format("TestNet address %s has unspent output at tx %s, output index %d", address, HashCode.fromBytes(unspentOutput.hash), unspentOutput.index));
}
@Test