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Implement raw transaction RPC calls

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Implement listunspent / getrawtransaction / createrawtransaction /
signrawtransaction, to support creation and
signing-on-multiple-device multisignature transactions.
This commit is contained in:
Gavin Andresen
2012-05-31 16:01:16 -04:00
parent 899d373b3c
commit a2709fad7f
12 changed files with 750 additions and 56 deletions
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113
src/test/script_tests.cpp
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@@ -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()