Java Code Examples for org.bitcoinj.script.ScriptBuilder#createP2SHMultiSigInputScript()
The following examples show how to use
org.bitcoinj.script.ScriptBuilder#createP2SHMultiSigInputScript() .
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Example 1
| Source File: TradeWalletService.java From bisq with GNU Affero General Public License v3.0 | 6 votes |
|
public Transaction finalizeDelayedPayoutTx(Transaction delayedPayoutTx,
byte[] buyerPubKey,
byte[] sellerPubKey,
byte[] buyerSignature,
byte[] sellerSignature)
throws AddressFormatException, TransactionVerificationException, WalletException {
Script redeemScript = get2of2MultiSigRedeemScript(buyerPubKey, sellerPubKey);
ECKey.ECDSASignature buyerECDSASignature = ECKey.ECDSASignature.decodeFromDER(buyerSignature);
ECKey.ECDSASignature sellerECDSASignature = ECKey.ECDSASignature.decodeFromDER(sellerSignature);
TransactionSignature buyerTxSig = new TransactionSignature(buyerECDSASignature, Transaction.SigHash.ALL, false);
TransactionSignature sellerTxSig = new TransactionSignature(sellerECDSASignature, Transaction.SigHash.ALL, false);
Script inputScript = ScriptBuilder.createP2SHMultiSigInputScript(ImmutableList.of(sellerTxSig, buyerTxSig), redeemScript);
TransactionInput input = delayedPayoutTx.getInput(0);
input.setScriptSig(inputScript);
WalletService.printTx("finalizeDelayedPayoutTx", delayedPayoutTx);
WalletService.verifyTransaction(delayedPayoutTx);
WalletService.checkWalletConsistency(wallet);
WalletService.checkScriptSig(delayedPayoutTx, input, 0);
checkNotNull(input.getConnectedOutput(), "input.getConnectedOutput() must not be null");
input.verify(input.getConnectedOutput());
return delayedPayoutTx;
}
Example 2
| Source File: TradeWalletService.java From bisq with GNU Affero General Public License v3.0 | 5 votes |
|
/**
* Seller creates and signs payout transaction and adds signature of buyer to complete the transaction.
*
* @param depositTx deposit transaction
* @param buyerSignature DER encoded canonical signature of buyer
* @param buyerPayoutAmount payout amount for buyer
* @param sellerPayoutAmount payout amount for seller
* @param buyerPayoutAddressString address for buyer
* @param sellerPayoutAddressString address for seller
* @param multiSigKeyPair seller's key pair for MultiSig
* @param buyerPubKey the public key of the buyer
* @param sellerPubKey the public key of the seller
* @return the payout transaction
* @throws AddressFormatException if the buyer or seller base58 address doesn't parse or its checksum is invalid
* @throws TransactionVerificationException if there was an unexpected problem with the payout tx or its signatures
* @throws WalletException if the seller's wallet is null or structurally inconsistent
*/
public Transaction sellerSignsAndFinalizesPayoutTx(Transaction depositTx,
byte[] buyerSignature,
Coin buyerPayoutAmount,
Coin sellerPayoutAmount,
String buyerPayoutAddressString,
String sellerPayoutAddressString,
DeterministicKey multiSigKeyPair,
byte[] buyerPubKey,
byte[] sellerPubKey)
throws AddressFormatException, TransactionVerificationException, WalletException {
Transaction payoutTx = createPayoutTx(depositTx, buyerPayoutAmount, sellerPayoutAmount, buyerPayoutAddressString, sellerPayoutAddressString);
// MS redeemScript
Script redeemScript = get2of2MultiSigRedeemScript(buyerPubKey, sellerPubKey);
// MS output from prev. tx is index 0
Sha256Hash sigHash = payoutTx.hashForSignature(0, redeemScript, Transaction.SigHash.ALL, false);
checkNotNull(multiSigKeyPair, "multiSigKeyPair must not be null");
if (multiSigKeyPair.isEncrypted()) {
checkNotNull(aesKey);
}
ECKey.ECDSASignature sellerSignature = multiSigKeyPair.sign(sigHash, aesKey).toCanonicalised();
TransactionSignature buyerTxSig = new TransactionSignature(ECKey.ECDSASignature.decodeFromDER(buyerSignature),
Transaction.SigHash.ALL, false);
TransactionSignature sellerTxSig = new TransactionSignature(sellerSignature, Transaction.SigHash.ALL, false);
// Take care of order of signatures. Need to be reversed here. See comment below at getMultiSigRedeemScript (seller, buyer)
Script inputScript = ScriptBuilder.createP2SHMultiSigInputScript(ImmutableList.of(sellerTxSig, buyerTxSig),
redeemScript);
TransactionInput input = payoutTx.getInput(0);
input.setScriptSig(inputScript);
WalletService.printTx("payoutTx", payoutTx);
WalletService.verifyTransaction(payoutTx);
WalletService.checkWalletConsistency(wallet);
WalletService.checkScriptSig(payoutTx, input, 0);
checkNotNull(input.getConnectedOutput(), "input.getConnectedOutput() must not be null");
input.verify(input.getConnectedOutput());
return payoutTx;
}
Example 3
| Source File: TradeWalletService.java From bisq with GNU Affero General Public License v3.0 | 5 votes |
|
public Transaction finalizeMediatedPayoutTx(Transaction depositTx,
byte[] buyerSignature,
byte[] sellerSignature,
Coin buyerPayoutAmount,
Coin sellerPayoutAmount,
String buyerPayoutAddressString,
String sellerPayoutAddressString,
DeterministicKey multiSigKeyPair,
byte[] buyerPubKey,
byte[] sellerPubKey)
throws AddressFormatException, TransactionVerificationException, WalletException {
Transaction payoutTx = createPayoutTx(depositTx, buyerPayoutAmount, sellerPayoutAmount, buyerPayoutAddressString, sellerPayoutAddressString);
// MS redeemScript
Script redeemScript = get2of2MultiSigRedeemScript(buyerPubKey, sellerPubKey);
// MS output from prev. tx is index 0
checkNotNull(multiSigKeyPair, "multiSigKeyPair must not be null");
TransactionSignature buyerTxSig = new TransactionSignature(ECKey.ECDSASignature.decodeFromDER(buyerSignature),
Transaction.SigHash.ALL, false);
TransactionSignature sellerTxSig = new TransactionSignature(ECKey.ECDSASignature.decodeFromDER(sellerSignature),
Transaction.SigHash.ALL, false);
// Take care of order of signatures. Need to be reversed here. See comment below at getMultiSigRedeemScript (seller, buyer)
Script inputScript = ScriptBuilder.createP2SHMultiSigInputScript(ImmutableList.of(sellerTxSig, buyerTxSig), redeemScript);
TransactionInput input = payoutTx.getInput(0);
input.setScriptSig(inputScript);
WalletService.printTx("mediated payoutTx", payoutTx);
WalletService.verifyTransaction(payoutTx);
WalletService.checkWalletConsistency(wallet);
WalletService.checkScriptSig(payoutTx, input, 0);
checkNotNull(input.getConnectedOutput(), "input.getConnectedOutput() must not be null");
input.verify(input.getConnectedOutput());
return payoutTx;
}
Example 4
| Source File: TradeWalletService.java From bisq-core with GNU Affero General Public License v3.0 | 4 votes |
|
/**
* Buyer creates and signs payout transaction and adds signature of seller to complete the transaction
*
* @param depositTx Deposit transaction
* @param buyerSignature DER encoded canonical signature of seller
* @param buyerPayoutAmount Payout amount for buyer
* @param sellerPayoutAmount Payout amount for seller
* @param buyerPayoutAddressString Address for buyer
* @param sellerPayoutAddressString Address for seller
* @param multiSigKeyPair Buyer's keypair for MultiSig
* @param buyerPubKey The public key of the buyer.
* @param sellerPubKey The public key of the seller.
* @param arbitratorPubKey The public key of the arbitrator.
* @return The payout transaction
* @throws AddressFormatException
* @throws TransactionVerificationException
* @throws WalletException
*/
public Transaction sellerSignsAndFinalizesPayoutTx(Transaction depositTx,
byte[] buyerSignature,
Coin buyerPayoutAmount,
Coin sellerPayoutAmount,
String buyerPayoutAddressString,
String sellerPayoutAddressString,
DeterministicKey multiSigKeyPair,
byte[] buyerPubKey,
byte[] sellerPubKey,
byte[] arbitratorPubKey)
throws AddressFormatException, TransactionVerificationException, WalletException {
log.trace("buyerSignsAndFinalizesPayoutTx called");
log.trace("depositTx " + depositTx.toString());
log.trace("buyerSignature r " + ECKey.ECDSASignature.decodeFromDER(buyerSignature).r.toString());
log.trace("buyerSignature s " + ECKey.ECDSASignature.decodeFromDER(buyerSignature).s.toString());
log.trace("buyerPayoutAmount " + buyerPayoutAmount.toFriendlyString());
log.trace("sellerPayoutAmount " + sellerPayoutAmount.toFriendlyString());
log.trace("buyerPayoutAddressString " + buyerPayoutAddressString);
log.trace("sellerPayoutAddressString " + sellerPayoutAddressString);
log.trace("multiSigKeyPair (not displayed for security reasons)");
log.info("buyerPubKey " + ECKey.fromPublicOnly(buyerPubKey).toString());
log.info("sellerPubKey " + ECKey.fromPublicOnly(sellerPubKey).toString());
log.info("arbitratorPubKey " + ECKey.fromPublicOnly(arbitratorPubKey).toString());
Transaction payoutTx = createPayoutTx(depositTx,
buyerPayoutAmount,
sellerPayoutAmount,
buyerPayoutAddressString,
sellerPayoutAddressString);
// MS redeemScript
Script redeemScript = getMultiSigRedeemScript(buyerPubKey, sellerPubKey, arbitratorPubKey);
// MS output from prev. tx is index 0
Sha256Hash sigHash = payoutTx.hashForSignature(0, redeemScript, Transaction.SigHash.ALL, false);
checkNotNull(multiSigKeyPair, "multiSigKeyPair must not be null");
if (multiSigKeyPair.isEncrypted())
checkNotNull(aesKey);
ECKey.ECDSASignature sellerSignature = multiSigKeyPair.sign(sigHash, aesKey).toCanonicalised();
TransactionSignature buyerTxSig = new TransactionSignature(ECKey.ECDSASignature.decodeFromDER(buyerSignature),
Transaction.SigHash.ALL, false);
TransactionSignature sellerTxSig = new TransactionSignature(sellerSignature, Transaction.SigHash.ALL, false);
// Take care of order of signatures. Need to be reversed here. See comment below at getMultiSigRedeemScript (arbitrator, seller, buyer)
Script inputScript = ScriptBuilder.createP2SHMultiSigInputScript(ImmutableList.of(sellerTxSig, buyerTxSig), redeemScript);
TransactionInput input = payoutTx.getInput(0);
input.setScriptSig(inputScript);
WalletService.printTx("payoutTx", payoutTx);
WalletService.verifyTransaction(payoutTx);
WalletService.checkWalletConsistency(wallet);
WalletService.checkScriptSig(payoutTx, input, 0);
checkNotNull(input.getConnectedOutput(), "input.getConnectedOutput() must not be null");
input.verify(input.getConnectedOutput());
return payoutTx;
}
Example 5
| Source File: TradeWalletService.java From bisq-core with GNU Affero General Public License v3.0 | 4 votes |
|
/**
* A trader who got the signed tx from the arbitrator finalizes the payout tx
*
* @param depositTxSerialized Serialized deposit tx
* @param arbitratorSignature DER encoded canonical signature of arbitrator
* @param buyerPayoutAmount Payout amount of the buyer
* @param sellerPayoutAmount Payout amount of the seller
* @param buyerAddressString The address of the buyer.
* @param sellerAddressString The address of the seller.
* @param tradersMultiSigKeyPair The keypair for the MultiSig of the trader who calls that method
* @param buyerPubKey The public key of the buyer.
* @param sellerPubKey The public key of the seller.
* @param arbitratorPubKey The public key of the arbitrator.
* @return The completed payout tx
* @throws AddressFormatException
* @throws TransactionVerificationException
* @throws WalletException
*/
public Transaction traderSignAndFinalizeDisputedPayoutTx(byte[] depositTxSerialized,
byte[] arbitratorSignature,
Coin buyerPayoutAmount,
Coin sellerPayoutAmount,
String buyerAddressString,
String sellerAddressString,
DeterministicKey tradersMultiSigKeyPair,
byte[] buyerPubKey,
byte[] sellerPubKey,
byte[] arbitratorPubKey)
throws AddressFormatException, TransactionVerificationException, WalletException {
Transaction depositTx = new Transaction(params, depositTxSerialized);
log.trace("signAndFinalizeDisputedPayoutTx called");
log.trace("depositTx " + depositTx);
log.trace("arbitratorSignature r " + ECKey.ECDSASignature.decodeFromDER(arbitratorSignature).r.toString());
log.trace("arbitratorSignature s " + ECKey.ECDSASignature.decodeFromDER(arbitratorSignature).s.toString());
log.trace("buyerPayoutAmount " + buyerPayoutAmount.toFriendlyString());
log.trace("sellerPayoutAmount " + sellerPayoutAmount.toFriendlyString());
log.trace("buyerAddressString " + buyerAddressString);
log.trace("sellerAddressString " + sellerAddressString);
log.trace("tradersMultiSigKeyPair (not displayed for security reasons)");
log.info("buyerPubKey " + ECKey.fromPublicOnly(buyerPubKey).toString());
log.info("sellerPubKey " + ECKey.fromPublicOnly(sellerPubKey).toString());
log.info("arbitratorPubKey " + ECKey.fromPublicOnly(arbitratorPubKey).toString());
TransactionOutput p2SHMultiSigOutput = depositTx.getOutput(0);
Transaction payoutTx = new Transaction(params);
payoutTx.addInput(p2SHMultiSigOutput);
if (buyerPayoutAmount.isGreaterThan(Coin.ZERO))
payoutTx.addOutput(buyerPayoutAmount, Address.fromBase58(params, buyerAddressString));
if (sellerPayoutAmount.isGreaterThan(Coin.ZERO))
payoutTx.addOutput(sellerPayoutAmount, Address.fromBase58(params, sellerAddressString));
// take care of sorting!
Script redeemScript = getMultiSigRedeemScript(buyerPubKey, sellerPubKey, arbitratorPubKey);
Sha256Hash sigHash = payoutTx.hashForSignature(0, redeemScript, Transaction.SigHash.ALL, false);
checkNotNull(tradersMultiSigKeyPair, "tradersMultiSigKeyPair must not be null");
if (tradersMultiSigKeyPair.isEncrypted())
checkNotNull(aesKey);
ECKey.ECDSASignature tradersSignature = tradersMultiSigKeyPair.sign(sigHash, aesKey).toCanonicalised();
TransactionSignature tradersTxSig = new TransactionSignature(tradersSignature, Transaction.SigHash.ALL, false);
TransactionSignature arbitratorTxSig = new TransactionSignature(ECKey.ECDSASignature.decodeFromDER(arbitratorSignature),
Transaction.SigHash.ALL, false);
// Take care of order of signatures. See comment below at getMultiSigRedeemScript (sort order needed here: arbitrator, seller, buyer)
Script inputScript = ScriptBuilder.createP2SHMultiSigInputScript(ImmutableList.of(arbitratorTxSig, tradersTxSig), redeemScript);
TransactionInput input = payoutTx.getInput(0);
input.setScriptSig(inputScript);
WalletService.printTx("disputed payoutTx", payoutTx);
WalletService.verifyTransaction(payoutTx);
WalletService.checkWalletConsistency(wallet);
WalletService.checkScriptSig(payoutTx, input, 0);
checkNotNull(input.getConnectedOutput(), "input.getConnectedOutput() must not be null");
input.verify(input.getConnectedOutput());
return payoutTx;
}
Example 6
| Source File: TradeWalletService.java From bisq-core with GNU Affero General Public License v3.0 | 4 votes |
|
public Transaction emergencySignAndPublishPayoutTx(String depositTxHex,
Coin buyerPayoutAmount,
Coin sellerPayoutAmount,
Coin arbitratorPayoutAmount,
Coin txFee,
String buyerAddressString,
String sellerAddressString,
String arbitratorAddressString,
@Nullable String buyerPrivateKeyAsHex,
@Nullable String sellerPrivateKeyAsHex,
String arbitratorPrivateKeyAsHex,
String buyerPubKeyAsHex,
String sellerPubKeyAsHex,
String arbitratorPubKeyAsHex,
String P2SHMultiSigOutputScript,
TxBroadcaster.Callback callback)
throws AddressFormatException, TransactionVerificationException, WalletException {
log.info("signAndPublishPayoutTx called");
log.info("depositTxHex " + depositTxHex);
log.info("buyerPayoutAmount " + buyerPayoutAmount.toFriendlyString());
log.info("sellerPayoutAmount " + sellerPayoutAmount.toFriendlyString());
log.info("arbitratorPayoutAmount " + arbitratorPayoutAmount.toFriendlyString());
log.info("buyerAddressString " + buyerAddressString);
log.info("sellerAddressString " + sellerAddressString);
log.info("arbitratorAddressString " + arbitratorAddressString);
log.info("buyerPrivateKeyAsHex (not displayed for security reasons)");
log.info("sellerPrivateKeyAsHex (not displayed for security reasons)");
log.info("arbitratorPrivateKeyAsHex (not displayed for security reasons)");
log.info("buyerPubKeyAsHex " + buyerPubKeyAsHex);
log.info("sellerPubKeyAsHex " + sellerPubKeyAsHex);
log.info("arbitratorPubKeyAsHex " + arbitratorPubKeyAsHex);
log.info("P2SHMultiSigOutputScript " + P2SHMultiSigOutputScript);
checkNotNull((buyerPrivateKeyAsHex != null || sellerPrivateKeyAsHex != null), "either buyerPrivateKeyAsHex or sellerPrivateKeyAsHex must not be null");
byte[] buyerPubKey = ECKey.fromPublicOnly(Utils.HEX.decode(buyerPubKeyAsHex)).getPubKey();
byte[] sellerPubKey = ECKey.fromPublicOnly(Utils.HEX.decode(sellerPubKeyAsHex)).getPubKey();
final byte[] arbitratorPubKey = ECKey.fromPublicOnly(Utils.HEX.decode(arbitratorPubKeyAsHex)).getPubKey();
Script p2SHMultiSigOutputScript = getP2SHMultiSigOutputScript(buyerPubKey, sellerPubKey, arbitratorPubKey);
Coin msOutput = buyerPayoutAmount.add(sellerPayoutAmount).add(arbitratorPayoutAmount).add(txFee);
TransactionOutput p2SHMultiSigOutput = new TransactionOutput(params, null, msOutput, p2SHMultiSigOutputScript.getProgram());
Transaction depositTx = new Transaction(params);
depositTx.addOutput(p2SHMultiSigOutput);
Transaction payoutTx = new Transaction(params);
Sha256Hash spendTxHash = Sha256Hash.wrap(depositTxHex);
payoutTx.addInput(new TransactionInput(params, depositTx, p2SHMultiSigOutputScript.getProgram(), new TransactionOutPoint(params, 0, spendTxHash), msOutput));
if (buyerPayoutAmount.isGreaterThan(Coin.ZERO))
payoutTx.addOutput(buyerPayoutAmount, Address.fromBase58(params, buyerAddressString));
if (sellerPayoutAmount.isGreaterThan(Coin.ZERO))
payoutTx.addOutput(sellerPayoutAmount, Address.fromBase58(params, sellerAddressString));
if (arbitratorPayoutAmount.isGreaterThan(Coin.ZERO))
payoutTx.addOutput(arbitratorPayoutAmount, Address.fromBase58(params, arbitratorAddressString));
// take care of sorting!
Script redeemScript = getMultiSigRedeemScript(buyerPubKey, sellerPubKey, arbitratorPubKey);
Sha256Hash sigHash = payoutTx.hashForSignature(0, redeemScript, Transaction.SigHash.ALL, false);
ECKey.ECDSASignature tradersSignature;
if (buyerPrivateKeyAsHex != null && !buyerPrivateKeyAsHex.isEmpty()) {
final ECKey buyerPrivateKey = ECKey.fromPrivate(Utils.HEX.decode(buyerPrivateKeyAsHex));
checkNotNull(buyerPrivateKey, "buyerPrivateKey must not be null");
tradersSignature = buyerPrivateKey.sign(sigHash, aesKey).toCanonicalised();
} else {
checkNotNull(sellerPrivateKeyAsHex, "sellerPrivateKeyAsHex must not be null");
final ECKey sellerPrivateKey = ECKey.fromPrivate(Utils.HEX.decode(sellerPrivateKeyAsHex));
checkNotNull(sellerPrivateKey, "sellerPrivateKey must not be null");
tradersSignature = sellerPrivateKey.sign(sigHash, aesKey).toCanonicalised();
}
final ECKey key = ECKey.fromPrivate(Utils.HEX.decode(arbitratorPrivateKeyAsHex));
checkNotNull(key, "key must not be null");
ECKey.ECDSASignature arbitratorSignature = key.sign(sigHash, aesKey).toCanonicalised();
TransactionSignature tradersTxSig = new TransactionSignature(tradersSignature, Transaction.SigHash.ALL, false);
TransactionSignature arbitratorTxSig = new TransactionSignature(arbitratorSignature, Transaction.SigHash.ALL, false);
// Take care of order of signatures. See comment below at getMultiSigRedeemScript (sort order needed here: arbitrator, seller, buyer)
Script inputScript = ScriptBuilder.createP2SHMultiSigInputScript(ImmutableList.of(arbitratorTxSig, tradersTxSig), redeemScript);
TransactionInput input = payoutTx.getInput(0);
input.setScriptSig(inputScript);
WalletService.printTx("payoutTx", payoutTx);
WalletService.verifyTransaction(payoutTx);
WalletService.checkWalletConsistency(wallet);
broadcastTx(payoutTx, callback, 20);
return payoutTx;
}
Example 7
| Source File: TradeWalletService.java From bisq with GNU Affero General Public License v3.0 | 4 votes |
|
/**
* A trader who got the signed tx from the arbitrator finalizes the payout tx.
*
* @param depositTxSerialized serialized deposit tx
* @param arbitratorSignature DER encoded canonical signature of arbitrator
* @param buyerPayoutAmount payout amount of the buyer
* @param sellerPayoutAmount payout amount of the seller
* @param buyerAddressString the address of the buyer
* @param sellerAddressString the address of the seller
* @param tradersMultiSigKeyPair the key pair for the MultiSig of the trader who calls that method
* @param buyerPubKey the public key of the buyer
* @param sellerPubKey the public key of the seller
* @param arbitratorPubKey the public key of the arbitrator
* @return the completed payout tx
* @throws AddressFormatException if the buyer or seller base58 address doesn't parse or its checksum is invalid
* @throws TransactionVerificationException if there was an unexpected problem with the payout tx or its signature
* @throws WalletException if the trade wallet is null or structurally inconsistent
*/
public Transaction traderSignAndFinalizeDisputedPayoutTx(byte[] depositTxSerialized,
byte[] arbitratorSignature,
Coin buyerPayoutAmount,
Coin sellerPayoutAmount,
String buyerAddressString,
String sellerAddressString,
DeterministicKey tradersMultiSigKeyPair,
byte[] buyerPubKey,
byte[] sellerPubKey,
byte[] arbitratorPubKey)
throws AddressFormatException, TransactionVerificationException, WalletException {
Transaction depositTx = new Transaction(params, depositTxSerialized);
TransactionOutput p2SHMultiSigOutput = depositTx.getOutput(0);
Transaction payoutTx = new Transaction(params);
payoutTx.addInput(p2SHMultiSigOutput);
if (buyerPayoutAmount.isPositive()) {
payoutTx.addOutput(buyerPayoutAmount, Address.fromBase58(params, buyerAddressString));
}
if (sellerPayoutAmount.isPositive()) {
payoutTx.addOutput(sellerPayoutAmount, Address.fromBase58(params, sellerAddressString));
}
// take care of sorting!
Script redeemScript = get2of3MultiSigRedeemScript(buyerPubKey, sellerPubKey, arbitratorPubKey);
Sha256Hash sigHash = payoutTx.hashForSignature(0, redeemScript, Transaction.SigHash.ALL, false);
checkNotNull(tradersMultiSigKeyPair, "tradersMultiSigKeyPair must not be null");
if (tradersMultiSigKeyPair.isEncrypted()) {
checkNotNull(aesKey);
}
ECKey.ECDSASignature tradersSignature = tradersMultiSigKeyPair.sign(sigHash, aesKey).toCanonicalised();
TransactionSignature tradersTxSig = new TransactionSignature(tradersSignature, Transaction.SigHash.ALL, false);
TransactionSignature arbitratorTxSig = new TransactionSignature(ECKey.ECDSASignature.decodeFromDER(arbitratorSignature),
Transaction.SigHash.ALL, false);
// Take care of order of signatures. See comment below at getMultiSigRedeemScript (sort order needed here: arbitrator, seller, buyer)
Script inputScript = ScriptBuilder.createP2SHMultiSigInputScript(ImmutableList.of(arbitratorTxSig, tradersTxSig),
redeemScript);
TransactionInput input = payoutTx.getInput(0);
input.setScriptSig(inputScript);
WalletService.printTx("disputed payoutTx", payoutTx);
WalletService.verifyTransaction(payoutTx);
WalletService.checkWalletConsistency(wallet);
WalletService.checkScriptSig(payoutTx, input, 0);
checkNotNull(input.getConnectedOutput(), "input.getConnectedOutput() must not be null");
input.verify(input.getConnectedOutput());
return payoutTx;
}
Example 8
| Source File: TradeWalletService.java From bisq with GNU Affero General Public License v3.0 | 4 votes |
|
public void emergencySignAndPublishPayoutTxFrom2of2MultiSig(String depositTxHex,
Coin buyerPayoutAmount,
Coin sellerPayoutAmount,
Coin txFee,
String buyerAddressString,
String sellerAddressString,
String buyerPrivateKeyAsHex,
String sellerPrivateKeyAsHex,
String buyerPubKeyAsHex,
String sellerPubKeyAsHex,
TxBroadcaster.Callback callback)
throws AddressFormatException, TransactionVerificationException, WalletException {
byte[] buyerPubKey = ECKey.fromPublicOnly(Utils.HEX.decode(buyerPubKeyAsHex)).getPubKey();
byte[] sellerPubKey = ECKey.fromPublicOnly(Utils.HEX.decode(sellerPubKeyAsHex)).getPubKey();
Script p2SHMultiSigOutputScript = get2of2MultiSigOutputScript(buyerPubKey, sellerPubKey);
Coin msOutput = buyerPayoutAmount.add(sellerPayoutAmount).add(txFee);
TransactionOutput p2SHMultiSigOutput = new TransactionOutput(params, null, msOutput, p2SHMultiSigOutputScript.getProgram());
Transaction depositTx = new Transaction(params);
depositTx.addOutput(p2SHMultiSigOutput);
Transaction payoutTx = new Transaction(params);
Sha256Hash spendTxHash = Sha256Hash.wrap(depositTxHex);
payoutTx.addInput(new TransactionInput(params, depositTx, p2SHMultiSigOutputScript.getProgram(), new TransactionOutPoint(params, 0, spendTxHash), msOutput));
if (buyerPayoutAmount.isPositive()) {
payoutTx.addOutput(buyerPayoutAmount, Address.fromBase58(params, buyerAddressString));
}
if (sellerPayoutAmount.isPositive()) {
payoutTx.addOutput(sellerPayoutAmount, Address.fromBase58(params, sellerAddressString));
}
// take care of sorting!
Script redeemScript = get2of2MultiSigRedeemScript(buyerPubKey, sellerPubKey);
Sha256Hash sigHash = payoutTx.hashForSignature(0, redeemScript, Transaction.SigHash.ALL, false);
ECKey buyerPrivateKey = ECKey.fromPrivate(Utils.HEX.decode(buyerPrivateKeyAsHex));
checkNotNull(buyerPrivateKey, "key must not be null");
ECKey.ECDSASignature buyerECDSASignature = buyerPrivateKey.sign(sigHash, aesKey).toCanonicalised();
ECKey sellerPrivateKey = ECKey.fromPrivate(Utils.HEX.decode(sellerPrivateKeyAsHex));
checkNotNull(sellerPrivateKey, "key must not be null");
ECKey.ECDSASignature sellerECDSASignature = sellerPrivateKey.sign(sigHash, aesKey).toCanonicalised();
TransactionSignature buyerTxSig = new TransactionSignature(buyerECDSASignature, Transaction.SigHash.ALL, false);
TransactionSignature sellerTxSig = new TransactionSignature(sellerECDSASignature, Transaction.SigHash.ALL, false);
Script inputScript = ScriptBuilder.createP2SHMultiSigInputScript(ImmutableList.of(sellerTxSig, buyerTxSig), redeemScript);
TransactionInput input = payoutTx.getInput(0);
input.setScriptSig(inputScript);
WalletService.printTx("payoutTx", payoutTx);
WalletService.verifyTransaction(payoutTx);
WalletService.checkWalletConsistency(wallet);
broadcastTx(payoutTx, callback, 20);
}
