diff options
Diffstat (limited to 'src/test')
-rw-r--r-- | src/test/script_tests.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp index a30e3ccbc2..61d9a64eeb 100644 --- a/src/test/script_tests.cpp +++ b/src/test/script_tests.cpp @@ -328,5 +328,118 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23) BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, txTo23, 0, true, 0)); } +BOOST_AUTO_TEST_CASE(script_combineSigs) +{ + // Test the CombineSignatures function + CBasicKeyStore keystore; + vector<CKey> keys; + for (int i = 0; i < 3; i++) + { + CKey key; + key.MakeNewKey(i%2 == 1); + keys.push_back(key); + keystore.AddKey(key); + } + + CTransaction txFrom; + txFrom.vout.resize(1); + txFrom.vout[0].scriptPubKey.SetDestination(keys[0].GetPubKey().GetID()); + CScript& scriptPubKey = txFrom.vout[0].scriptPubKey; + CTransaction txTo; + txTo.vin.resize(1); + txTo.vout.resize(1); + txTo.vin[0].prevout.n = 0; + txTo.vin[0].prevout.hash = txFrom.GetHash(); + CScript& scriptSig = txTo.vin[0].scriptSig; + txTo.vout[0].nValue = 1; + + CScript empty; + CScript combined = CombineSignatures(scriptPubKey, txTo, 0, empty, empty); + BOOST_CHECK(combined.empty()); + + // Single signature case: + SignSignature(keystore, txFrom, txTo, 0); // changes scriptSig + combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSig, empty); + BOOST_CHECK(combined == scriptSig); + combined = CombineSignatures(scriptPubKey, txTo, 0, empty, scriptSig); + BOOST_CHECK(combined == scriptSig); + CScript scriptSigCopy = scriptSig; + // Signing again will give a different, valid signature: + SignSignature(keystore, txFrom, txTo, 0); + combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSigCopy, scriptSig); + BOOST_CHECK(combined == scriptSigCopy || combined == scriptSig); + + // P2SH, single-signature case: + CScript pkSingle; pkSingle << keys[0].GetPubKey() << OP_CHECKSIG; + keystore.AddCScript(pkSingle); + scriptPubKey.SetDestination(pkSingle.GetID()); + SignSignature(keystore, txFrom, txTo, 0); + combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSig, empty); + BOOST_CHECK(combined == scriptSig); + combined = CombineSignatures(scriptPubKey, txTo, 0, empty, scriptSig); + BOOST_CHECK(combined == scriptSig); + scriptSigCopy = scriptSig; + SignSignature(keystore, txFrom, txTo, 0); + combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSigCopy, scriptSig); + BOOST_CHECK(combined == scriptSigCopy || combined == scriptSig); + // dummy scriptSigCopy with placeholder, should always choose non-placeholder: + scriptSigCopy = CScript() << OP_0 << static_cast<vector<unsigned char> >(pkSingle); + combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSigCopy, scriptSig); + BOOST_CHECK(combined == scriptSig); + combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSig, scriptSigCopy); + BOOST_CHECK(combined == scriptSig); + + // Hardest case: Multisig 2-of-3 + scriptPubKey.SetMultisig(2, keys); + keystore.AddCScript(scriptPubKey); + SignSignature(keystore, txFrom, txTo, 0); + combined = CombineSignatures(scriptPubKey, txTo, 0, scriptSig, empty); + BOOST_CHECK(combined == scriptSig); + combined = CombineSignatures(scriptPubKey, txTo, 0, empty, scriptSig); + BOOST_CHECK(combined == scriptSig); + + // A couple of partially-signed versions: + vector<unsigned char> sig1; + uint256 hash1 = SignatureHash(scriptPubKey, txTo, 0, SIGHASH_ALL); + BOOST_CHECK(keys[0].Sign(hash1, sig1)); + sig1.push_back(SIGHASH_ALL); + vector<unsigned char> sig2; + uint256 hash2 = SignatureHash(scriptPubKey, txTo, 0, SIGHASH_NONE); + BOOST_CHECK(keys[1].Sign(hash2, sig2)); + sig2.push_back(SIGHASH_NONE); + vector<unsigned char> sig3; + uint256 hash3 = SignatureHash(scriptPubKey, txTo, 0, SIGHASH_SINGLE); + BOOST_CHECK(keys[2].Sign(hash3, sig3)); + sig3.push_back(SIGHASH_SINGLE); + + // Not fussy about order (or even existence) of placeholders or signatures: + CScript partial1a = CScript() << OP_0 << sig1 << OP_0; + CScript partial1b = CScript() << OP_0 << OP_0 << sig1; + CScript partial2a = CScript() << OP_0 << sig2; + CScript partial2b = CScript() << sig2 << OP_0; + CScript partial3a = CScript() << sig3; + CScript partial3b = CScript() << OP_0 << OP_0 << sig3; + CScript partial3c = CScript() << OP_0 << sig3 << OP_0; + CScript complete12 = CScript() << OP_0 << sig1 << sig2; + CScript complete13 = CScript() << OP_0 << sig1 << sig3; + CScript complete23 = CScript() << OP_0 << sig2 << sig3; + + combined = CombineSignatures(scriptPubKey, txTo, 0, partial1a, partial1b); + BOOST_CHECK(combined == partial1a); + combined = CombineSignatures(scriptPubKey, txTo, 0, partial1a, partial2a); + BOOST_CHECK(combined == complete12); + combined = CombineSignatures(scriptPubKey, txTo, 0, partial2a, partial1a); + BOOST_CHECK(combined == complete12); + combined = CombineSignatures(scriptPubKey, txTo, 0, partial1b, partial2b); + BOOST_CHECK(combined == complete12); + combined = CombineSignatures(scriptPubKey, txTo, 0, partial3b, partial1b); + BOOST_CHECK(combined == complete13); + combined = CombineSignatures(scriptPubKey, txTo, 0, partial2a, partial3a); + BOOST_CHECK(combined == complete23); + combined = CombineSignatures(scriptPubKey, txTo, 0, partial3b, partial2b); + BOOST_CHECK(combined == complete23); + combined = CombineSignatures(scriptPubKey, txTo, 0, partial3b, partial3a); + BOOST_CHECK(combined == partial3c); +} BOOST_AUTO_TEST_SUITE_END() |