diff options
| -rwxr-xr-x | qa/pull-tester/rpc-tests.sh | 3 | ||||
| -rwxr-xr-x | qa/rpc-tests/signrawtransactions.py | 109 | ||||
| -rw-r--r-- | src/rpcrawtransaction.cpp | 45 |
3 files changed, 149 insertions, 8 deletions
diff --git a/qa/pull-tester/rpc-tests.sh b/qa/pull-tester/rpc-tests.sh index a2d4305f98..4f82263a7a 100755 --- a/qa/pull-tester/rpc-tests.sh +++ b/qa/pull-tester/rpc-tests.sh @@ -22,6 +22,7 @@ testScripts=( 'txn_doublespend.py' 'txn_doublespend.py --mineblock' 'getchaintips.py' + 'rawtransactions.py' 'rest.py' 'mempool_spendcoinbase.py' 'mempool_coinbase_spends.py' @@ -29,7 +30,7 @@ testScripts=( 'zapwallettxes.py' 'proxy_test.py' 'merkle_blocks.py' - 'rawtransactions.py' + 'signrawtransactions.py' # 'forknotify.py' 'maxblocksinflight.py' 'invalidblockrequest.py' diff --git a/qa/rpc-tests/signrawtransactions.py b/qa/rpc-tests/signrawtransactions.py new file mode 100755 index 0000000000..943634bd19 --- /dev/null +++ b/qa/rpc-tests/signrawtransactions.py @@ -0,0 +1,109 @@ +#!/usr/bin/env python2 +# Copyright (c) 2015 The Bitcoin Core developers +# Distributed under the MIT software license, see the accompanying +# file COPYING or http://www.opensource.org/licenses/mit-license.php. + +from test_framework import BitcoinTestFramework +from util import * + + +class SignRawTransactionsTest(BitcoinTestFramework): + """Tests transaction signing via RPC command "signrawtransaction".""" + + def setup_chain(self): + print('Initializing test directory ' + self.options.tmpdir) + initialize_chain_clean(self.options.tmpdir, 1) + + def setup_network(self, split=False): + self.nodes = start_nodes(1, self.options.tmpdir) + self.is_network_split = False + + def successful_signing_test(self): + """Creates and signs a valid raw transaction with one input. + + Expected results: + + 1) The transaction has a complete set of signatures + 2) No script verification error occurred""" + privKeys = ['cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N'] + + inputs = [ + # Valid pay-to-pubkey script + {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0, + 'scriptPubKey': '76a91460baa0f494b38ce3c940dea67f3804dc52d1fb9488ac'} + ] + + outputs = {'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB': 0.1} + + rawTx = self.nodes[0].createrawtransaction(inputs, outputs) + rawTxSigned = self.nodes[0].signrawtransaction(rawTx, inputs, privKeys) + + # 1) The transaction has a complete set of signatures + assert 'complete' in rawTxSigned + assert_equal(rawTxSigned['complete'], True) + + # 2) No script verification error occurred + assert 'errors' not in rawTxSigned + + def script_verification_error_test(self): + """Creates and signs a raw transaction with valid (vin 0), invalid (vin 1) and one missing (vin 2) input script. + + Expected results: + + 3) The transaction has no complete set of signatures + 4) Two script verification errors occurred + 5) Script verification errors have certain properties ("txid", "vout", "scriptSig", "sequence", "error") + 6) The verification errors refer to the invalid (vin 1) and missing input (vin 2)""" + privKeys = ['cUeKHd5orzT3mz8P9pxyREHfsWtVfgsfDjiZZBcjUBAaGk1BTj7N'] + + inputs = [ + # Valid pay-to-pubkey script + {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0}, + # Invalid script + {'txid': '5b8673686910442c644b1f4993d8f7753c7c8fcb5c87ee40d56eaeef25204547', 'vout': 7}, + # Missing scriptPubKey + {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 1}, + ] + + scripts = [ + # Valid pay-to-pubkey script + {'txid': '9b907ef1e3c26fc71fe4a4b3580bc75264112f95050014157059c736f0202e71', 'vout': 0, + 'scriptPubKey': '76a91460baa0f494b38ce3c940dea67f3804dc52d1fb9488ac'}, + # Invalid script + {'txid': '5b8673686910442c644b1f4993d8f7753c7c8fcb5c87ee40d56eaeef25204547', 'vout': 7, + 'scriptPubKey': 'badbadbadbad'} + ] + + outputs = {'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB': 0.1} + + rawTx = self.nodes[0].createrawtransaction(inputs, outputs) + rawTxSigned = self.nodes[0].signrawtransaction(rawTx, scripts, privKeys) + + # 3) The transaction has no complete set of signatures + assert 'complete' in rawTxSigned + assert_equal(rawTxSigned['complete'], False) + + # 4) Two script verification errors occurred + assert 'errors' in rawTxSigned + assert_equal(len(rawTxSigned['errors']), 2) + + # 5) Script verification errors have certain properties + assert 'txid' in rawTxSigned['errors'][0] + assert 'vout' in rawTxSigned['errors'][0] + assert 'scriptSig' in rawTxSigned['errors'][0] + assert 'sequence' in rawTxSigned['errors'][0] + assert 'error' in rawTxSigned['errors'][0] + + # 6) The verification errors refer to the invalid (vin 1) and missing input (vin 2) + assert_equal(rawTxSigned['errors'][0]['txid'], inputs[1]['txid']) + assert_equal(rawTxSigned['errors'][0]['vout'], inputs[1]['vout']) + assert_equal(rawTxSigned['errors'][1]['txid'], inputs[2]['txid']) + assert_equal(rawTxSigned['errors'][1]['vout'], inputs[2]['vout']) + + def run_test(self): + self.successful_signing_test() + self.script_verification_error_test() + + +if __name__ == '__main__': + SignRawTransactionsTest().main() diff --git a/src/rpcrawtransaction.cpp b/src/rpcrawtransaction.cpp index ca5aba8759..e84d2693a2 100644 --- a/src/rpcrawtransaction.cpp +++ b/src/rpcrawtransaction.cpp @@ -1,5 +1,5 @@ // Copyright (c) 2010 Satoshi Nakamoto -// Copyright (c) 2009-2014 The Bitcoin Core developers +// Copyright (c) 2009-2015 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -13,6 +13,7 @@ #include "net.h" #include "rpcserver.h" #include "script/script.h" +#include "script/script_error.h" #include "script/sign.h" #include "script/standard.h" #include "uint256.h" @@ -491,6 +492,18 @@ Value decodescript(const Array& params, bool fHelp) return r; } +/** Pushes a JSON object for script verification or signing errors to vErrorsRet. */ +static void TxInErrorToJSON(const CTxIn& txin, Array& vErrorsRet, const std::string& strMessage) +{ + Object entry; + entry.push_back(Pair("txid", txin.prevout.hash.ToString())); + entry.push_back(Pair("vout", (uint64_t)txin.prevout.n)); + entry.push_back(Pair("scriptSig", HexStr(txin.scriptSig.begin(), txin.scriptSig.end()))); + entry.push_back(Pair("sequence", (uint64_t)txin.nSequence)); + entry.push_back(Pair("error", strMessage)); + vErrorsRet.push_back(entry); +} + Value signrawtransaction(const Array& params, bool fHelp) { if (fHelp || params.size() < 1 || params.size() > 4) @@ -532,8 +545,18 @@ Value signrawtransaction(const Array& params, bool fHelp) "\nResult:\n" "{\n" - " \"hex\": \"value\", (string) The raw transaction with signature(s) (hex-encoded string)\n" - " \"complete\": true|false (boolean) if transaction has a complete set of signature\n" + " \"hex\" : \"value\", (string) The hex-encoded raw transaction with signature(s)\n" + " \"complete\" : true|false, (boolean) If the transaction has a complete set of signatures\n" + " \"errors\" : [ (json array of objects) Script verification errors (if there are any)\n" + " {\n" + " \"txid\" : \"hash\", (string) The hash of the referenced, previous transaction\n" + " \"vout\" : n, (numeric) The index of the output to spent and used as input\n" + " \"scriptSig\" : \"hex\", (string) The hex-encoded signature script\n" + " \"sequence\" : n, (numeric) Script sequence number\n" + " \"error\" : \"text\" (string) Verification or signing error related to the input\n" + " }\n" + " ,...\n" + " ]\n" "}\n" "\nExamples:\n" @@ -568,7 +591,6 @@ Value signrawtransaction(const Array& params, bool fHelp) // mergedTx will end up with all the signatures; it // starts as a clone of the rawtx: CMutableTransaction mergedTx(txVariants[0]); - bool fComplete = true; // Fetch previous transactions (inputs): CCoinsView viewDummy; @@ -683,12 +705,15 @@ Value signrawtransaction(const Array& params, bool fHelp) bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE); + // Script verification errors + Array vErrors; + // Sign what we can: for (unsigned int i = 0; i < mergedTx.vin.size(); i++) { CTxIn& txin = mergedTx.vin[i]; const CCoins* coins = view.AccessCoins(txin.prevout.hash); if (coins == NULL || !coins->IsAvailable(txin.prevout.n)) { - fComplete = false; + TxInErrorToJSON(txin, vErrors, "Input not found or already spent"); continue; } const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey; @@ -702,13 +727,19 @@ Value signrawtransaction(const Array& params, bool fHelp) BOOST_FOREACH(const CMutableTransaction& txv, txVariants) { txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig); } - if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, MutableTransactionSignatureChecker(&mergedTx, i))) - fComplete = false; + ScriptError serror = SCRIPT_ERR_OK; + if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, MutableTransactionSignatureChecker(&mergedTx, i), &serror)) { + TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror)); + } } + bool fComplete = vErrors.empty(); Object result; result.push_back(Pair("hex", EncodeHexTx(mergedTx))); result.push_back(Pair("complete", fComplete)); + if (!vErrors.empty()) { + result.push_back(Pair("errors", vErrors)); + } return result; } |