1 files changed, 370 insertions, 0 deletions
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
new file mode 100644
index 000000000..18cb8f3d1
--- /dev/null
+++ b/src/test/transaction_tests.cpp
@@ -0,0 +1,370 @@
+// Copyright (c) 2011-2014 The Bitcoin Core developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "data/tx_invalid.json.h"
+#include "data/tx_valid.json.h"
+
+#include "key.h"
+#include "keystore.h"
+#include "main.h"
+#include "script/script.h"
+#include "core_io.h"
+
+#include <map>
+#include <string>
+
+#include <boost/algorithm/string/classification.hpp>
+#include <boost/algorithm/string/split.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/assign/list_of.hpp>
+#include "json/json_spirit_writer_template.h"
+
+using namespace std;
+using namespace json_spirit;
+using namespace boost::algorithm;
+
+// In script_tests.cpp
+extern Array read_json(const std::string& jsondata);
+
+static std::map<string, unsigned int> mapFlagNames = boost::assign::map_list_of
+    (string("NONE"), (unsigned int)SCRIPT_VERIFY_NONE)
+    (string("P2SH"), (unsigned int)SCRIPT_VERIFY_P2SH)
+    (string("STRICTENC"), (unsigned int)SCRIPT_VERIFY_STRICTENC)
+    (string("DERSIG"), (unsigned int)SCRIPT_VERIFY_DERSIG)
+    (string("LOW_S"), (unsigned int)SCRIPT_VERIFY_LOW_S)
+    (string("NULLDUMMY"), (unsigned int)SCRIPT_VERIFY_NULLDUMMY);
+
+unsigned int ParseScriptFlags(string strFlags)
+{
+    if (strFlags.empty()) {
+        return 0;
+    }
+    unsigned int flags = 0;
+    vector<string> words;
+    split(words, strFlags, is_any_of(","));
+
+    BOOST_FOREACH(string word, words)
+    {
+        if (!mapFlagNames.count(word))
+            BOOST_ERROR("Bad test: unknown verification flag '" << word << "'");
+        flags |= mapFlagNames[word];
+    }
+
+    return flags;
+}
+
+string FormatScriptFlags(unsigned int flags)
+{
+    if (flags == 0) {
+        return "";
+    }
+    string ret;
+    std::map<string, unsigned int>::const_iterator it = mapFlagNames.begin();
+    while (it != mapFlagNames.end()) {
+        if (flags & it->second) {
+            ret += it->first + ",";
+        }
+        it++;
+    }
+    return ret.substr(0, ret.size() - 1);
+}
+
+BOOST_AUTO_TEST_SUITE(transaction_tests)
+
+BOOST_AUTO_TEST_CASE(tx_valid)
+{
+    // Read tests from test/data/tx_valid.json
+    // Format is an array of arrays
+    // Inner arrays are either [ "comment" ]
+    // or [[[prevout hash, prevout index, prevout scriptPubKey], [input 2], ...],"], serializedTransaction, verifyFlags
+    // ... where all scripts are stringified scripts.
+    //
+    // verifyFlags is a comma separated list of script verification flags to apply, or "NONE"
+    Array tests = read_json(std::string(json_tests::tx_valid, json_tests::tx_valid + sizeof(json_tests::tx_valid)));
+
+    BOOST_FOREACH(Value& tv, tests)
+    {
+        Array test = tv.get_array();
+        string strTest = write_string(tv, false);
+        if (test[0].type() == array_type)
+        {
+            if (test.size() != 3 || test[1].type() != str_type || test[2].type() != str_type)
+            {
+                BOOST_ERROR("Bad test: " << strTest);
+                continue;
+            }
+
+            map<COutPoint, CScript> mapprevOutScriptPubKeys;
+            Array inputs = test[0].get_array();
+            bool fValid = true;
+            BOOST_FOREACH(Value& input, inputs)
+            {
+                if (input.type() != array_type)
+                {
+                    fValid = false;
+                    break;
+                }
+                Array vinput = input.get_array();
+                if (vinput.size() != 3)
+                {
+                    fValid = false;
+                    break;
+                }
+
+                mapprevOutScriptPubKeys[COutPoint(uint256(vinput[0].get_str()), vinput[1].get_int())] = ParseScript(vinput[2].get_str());
+            }
+            if (!fValid)
+            {
+                BOOST_ERROR("Bad test: " << strTest);
+                continue;
+            }
+
+            string transaction = test[1].get_str();
+            CDataStream stream(ParseHex(transaction), SER_NETWORK, PROTOCOL_VERSION);
+            CTransaction tx;
+            stream >> tx;
+
+            CValidationState state;
+            BOOST_CHECK_MESSAGE(CheckTransaction(tx, state), strTest);
+            BOOST_CHECK(state.IsValid());
+
+            for (unsigned int i = 0; i < tx.vin.size(); i++)
+            {
+                if (!mapprevOutScriptPubKeys.count(tx.vin[i].prevout))
+                {
+                    BOOST_ERROR("Bad test: " << strTest);
+                    break;
+                }
+
+                unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
+                BOOST_CHECK_MESSAGE(VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
+                                                 verify_flags, SignatureChecker(tx, i)),
+                                    strTest);
+            }
+        }
+    }
+}
+
+BOOST_AUTO_TEST_CASE(tx_invalid)
+{
+    // Read tests from test/data/tx_invalid.json
+    // Format is an array of arrays
+    // Inner arrays are either [ "comment" ]
+    // or [[[prevout hash, prevout index, prevout scriptPubKey], [input 2], ...],"], serializedTransaction, verifyFlags
+    // ... where all scripts are stringified scripts.
+    //
+    // verifyFlags is a comma separated list of script verification flags to apply, or "NONE"
+    Array tests = read_json(std::string(json_tests::tx_invalid, json_tests::tx_invalid + sizeof(json_tests::tx_invalid)));
+
+    BOOST_FOREACH(Value& tv, tests)
+    {
+        Array test = tv.get_array();
+        string strTest = write_string(tv, false);
+        if (test[0].type() == array_type)
+        {
+            if (test.size() != 3 || test[1].type() != str_type || test[2].type() != str_type)
+            {
+                BOOST_ERROR("Bad test: " << strTest);
+                continue;
+            }
+
+            map<COutPoint, CScript> mapprevOutScriptPubKeys;
+            Array inputs = test[0].get_array();
+            bool fValid = true;
+            BOOST_FOREACH(Value& input, inputs)
+            {
+                if (input.type() != array_type)
+                {
+                    fValid = false;
+                    break;
+                }
+                Array vinput = input.get_array();
+                if (vinput.size() != 3)
+                {
+                    fValid = false;
+                    break;
+                }
+
+                mapprevOutScriptPubKeys[COutPoint(uint256(vinput[0].get_str()), vinput[1].get_int())] = ParseScript(vinput[2].get_str());
+            }
+            if (!fValid)
+            {
+                BOOST_ERROR("Bad test: " << strTest);
+                continue;
+            }
+
+            string transaction = test[1].get_str();
+            CDataStream stream(ParseHex(transaction), SER_NETWORK, PROTOCOL_VERSION);
+            CTransaction tx;
+            stream >> tx;
+
+            CValidationState state;
+            fValid = CheckTransaction(tx, state) && state.IsValid();
+
+            for (unsigned int i = 0; i < tx.vin.size() && fValid; i++)
+            {
+                if (!mapprevOutScriptPubKeys.count(tx.vin[i].prevout))
+                {
+                    BOOST_ERROR("Bad test: " << strTest);
+                    break;
+                }
+
+                unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
+                fValid = VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
+                                      verify_flags, SignatureChecker(tx, i));
+            }
+
+            BOOST_CHECK_MESSAGE(!fValid, strTest);
+        }
+    }
+}
+
+BOOST_AUTO_TEST_CASE(basic_transaction_tests)
+{
+    // Random real transaction (e2769b09e784f32f62ef849763d4f45b98e07ba658647343b915ff832b110436)
+    unsigned char ch[] = {0x01, 0x00, 0x00, 0x00, 0x01, 0x6b, 0xff, 0x7f, 0xcd, 0x4f, 0x85, 0x65, 0xef, 0x40, 0x6d, 0xd5, 0xd6, 0x3d, 0x4f, 0xf9, 0x4f, 0x31, 0x8f, 0xe8, 0x20, 0x27, 0xfd, 0x4d, 0xc4, 0x51, 0xb0, 0x44, 0x74, 0x01, 0x9f, 0x74, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x8c, 0x49, 0x30, 0x46, 0x02, 0x21, 0x00, 0xda, 0x0d, 0xc6, 0xae, 0xce, 0xfe, 0x1e, 0x06, 0xef, 0xdf, 0x05, 0x77, 0x37, 0x57, 0xde, 0xb1, 0x68, 0x82, 0x09, 0x30, 0xe3, 0xb0, 0xd0, 0x3f, 0x46, 0xf5, 0xfc, 0xf1, 0x50, 0xbf, 0x99, 0x0c, 0x02, 0x21, 0x00, 0xd2, 0x5b, 0x5c, 0x87, 0x04, 0x00, 0x76, 0xe4, 0xf2, 0x53, 0xf8, 0x26, 0x2e, 0x76, 0x3e, 0x2d, 0xd5, 0x1e, 0x7f, 0xf0, 0xbe, 0x15, 0x77, 0x27, 0xc4, 0xbc, 0x42, 0x80, 0x7f, 0x17, 0xbd, 0x39, 0x01, 0x41, 0x04, 0xe6, 0xc2, 0x6e, 0xf6, 0x7d, 0xc6, 0x10, 0xd2, 0xcd, 0x19, 0x24, 0x84, 0x78, 0x9a, 0x6c, 0xf9, 0xae, 0xa9, 0x93, 0x0b, 0x94, 0x4b, 0x7e, 0x2d, 0xb5, 0x34, 0x2b, 0x9d, 0x9e, 0x5b, 0x9f, 0xf7, 0x9a, 0xff, 0x9a, 0x2e, 0xe1, 0x97, 0x8d, 0xd7, 0xfd, 0x01, 0xdf, 0xc5, 0x22, 0xee, 0x02, 0x28, 0x3d, 0x3b, 0x06, 0xa9, 0xd0, 0x3a, 0xcf, 0x80, 0x96, 0x96, 0x8d, 0x7d, 0xbb, 0x0f, 0x91, 0x78, 0xff, 0xff, 0xff, 0xff, 0x02, 0x8b, 0xa7, 0x94, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xba, 0xde, 0xec, 0xfd, 0xef, 0x05, 0x07, 0x24, 0x7f, 0xc8, 0xf7, 0x42, 0x41, 0xd7, 0x3b, 0xc0, 0x39, 0x97, 0x2d, 0x7b, 0x88, 0xac, 0x40, 0x94, 0xa8, 0x02, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xc1, 0x09, 0x32, 0x48, 0x3f, 0xec, 0x93, 0xed, 0x51, 0xf5, 0xfe, 0x95, 0xe7, 0x25, 0x59, 0xf2, 0xcc, 0x70, 0x43, 0xf9, 0x88, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00};
+    vector<unsigned char> vch(ch, ch + sizeof(ch) -1);
+    CDataStream stream(vch, SER_DISK, CLIENT_VERSION);
+    CMutableTransaction tx;
+    stream >> tx;
+    CValidationState state;
+    BOOST_CHECK_MESSAGE(CheckTransaction(tx, state) && state.IsValid(), "Simple deserialized transaction should be valid.");
+
+    // Check that duplicate txins fail
+    tx.vin.push_back(tx.vin[0]);
+    BOOST_CHECK_MESSAGE(!CheckTransaction(tx, state) || !state.IsValid(), "Transaction with duplicate txins should be invalid.");
+}
+
+//
+// Helper: create two dummy transactions, each with
+// two outputs.  The first has 11 and 50 CENT outputs
+// paid to a TX_PUBKEY, the second 21 and 22 CENT outputs
+// paid to a TX_PUBKEYHASH.
+//
+static std::vector<CMutableTransaction>
+SetupDummyInputs(CBasicKeyStore& keystoreRet, CCoinsViewCache& coinsRet)
+{
+    std::vector<CMutableTransaction> dummyTransactions;
+    dummyTransactions.resize(2);
+
+    // Add some keys to the keystore:
+    CKey key[4];
+    for (int i = 0; i < 4; i++)
+    {
+        key[i].MakeNewKey(i % 2);
+        keystoreRet.AddKey(key[i]);
+    }
+
+    // Create some dummy input transactions
+    dummyTransactions[0].vout.resize(2);
+    dummyTransactions[0].vout[0].nValue = 11*CENT;
+    dummyTransactions[0].vout[0].scriptPubKey << key[0].GetPubKey() << OP_CHECKSIG;
+    dummyTransactions[0].vout[1].nValue = 50*CENT;
+    dummyTransactions[0].vout[1].scriptPubKey << key[1].GetPubKey() << OP_CHECKSIG;
+    coinsRet.ModifyCoins(dummyTransactions[0].GetHash())->FromTx(dummyTransactions[0], 0);
+
+    dummyTransactions[1].vout.resize(2);
+    dummyTransactions[1].vout[0].nValue = 21*CENT;
+    dummyTransactions[1].vout[0].scriptPubKey = GetScriptForDestination(key[2].GetPubKey().GetID());
+    dummyTransactions[1].vout[1].nValue = 22*CENT;
+    dummyTransactions[1].vout[1].scriptPubKey = GetScriptForDestination(key[3].GetPubKey().GetID());
+    coinsRet.ModifyCoins(dummyTransactions[1].GetHash())->FromTx(dummyTransactions[1], 0);
+
+    return dummyTransactions;
+}
+
+BOOST_AUTO_TEST_CASE(test_Get)
+{
+    CBasicKeyStore keystore;
+    CCoinsView coinsDummy;
+    CCoinsViewCache coins(&coinsDummy);
+    std::vector<CMutableTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
+
+    CMutableTransaction t1;
+    t1.vin.resize(3);
+    t1.vin[0].prevout.hash = dummyTransactions[0].GetHash();
+    t1.vin[0].prevout.n = 1;
+    t1.vin[0].scriptSig << std::vector<unsigned char>(65, 0);
+    t1.vin[1].prevout.hash = dummyTransactions[1].GetHash();
+    t1.vin[1].prevout.n = 0;
+    t1.vin[1].scriptSig << std::vector<unsigned char>(65, 0) << std::vector<unsigned char>(33, 4);
+    t1.vin[2].prevout.hash = dummyTransactions[1].GetHash();
+    t1.vin[2].prevout.n = 1;
+    t1.vin[2].scriptSig << std::vector<unsigned char>(65, 0) << std::vector<unsigned char>(33, 4);
+    t1.vout.resize(2);
+    t1.vout[0].nValue = 90*CENT;
+    t1.vout[0].scriptPubKey << OP_1;
+
+    BOOST_CHECK(AreInputsStandard(t1, coins));
+    BOOST_CHECK_EQUAL(coins.GetValueIn(t1), (50+21+22)*CENT);
+
+    // Adding extra junk to the scriptSig should make it non-standard:
+    t1.vin[0].scriptSig << OP_11;
+    BOOST_CHECK(!AreInputsStandard(t1, coins));
+
+    // ... as should not having enough:
+    t1.vin[0].scriptSig = CScript();
+    BOOST_CHECK(!AreInputsStandard(t1, coins));
+}
+
+BOOST_AUTO_TEST_CASE(test_IsStandard)
+{
+    LOCK(cs_main);
+    CBasicKeyStore keystore;
+    CCoinsView coinsDummy;
+    CCoinsViewCache coins(&coinsDummy);
+    std::vector<CMutableTransaction> dummyTransactions = SetupDummyInputs(keystore, coins);
+
+    CMutableTransaction t;
+    t.vin.resize(1);
+    t.vin[0].prevout.hash = dummyTransactions[0].GetHash();
+    t.vin[0].prevout.n = 1;
+    t.vin[0].scriptSig << std::vector<unsigned char>(65, 0);
+    t.vout.resize(1);
+    t.vout[0].nValue = 90*CENT;
+    CKey key;
+    key.MakeNewKey(true);
+    t.vout[0].scriptPubKey = GetScriptForDestination(key.GetPubKey().GetID());
+
+    string reason;
+    BOOST_CHECK(IsStandardTx(t, reason));
+
+    t.vout[0].nValue = 501; // dust
+    BOOST_CHECK(!IsStandardTx(t, reason));
+
+    t.vout[0].nValue = 601; // not dust
+    BOOST_CHECK(IsStandardTx(t, reason));
+
+    t.vout[0].scriptPubKey = CScript() << OP_1;
+    BOOST_CHECK(!IsStandardTx(t, reason));
+
+    // 40-byte TX_NULL_DATA (standard)
+    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+    BOOST_CHECK(IsStandardTx(t, reason));
+
+    // 41-byte TX_NULL_DATA (non-standard)
+    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");
+    BOOST_CHECK(!IsStandardTx(t, reason));
+
+    // TX_NULL_DATA w/o PUSHDATA
+    t.vout.resize(1);
+    t.vout[0].scriptPubKey = CScript() << OP_RETURN;
+    BOOST_CHECK(IsStandardTx(t, reason));
+
+    // Only one TX_NULL_DATA permitted in all cases
+    t.vout.resize(2);
+    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+    t.vout[1].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+    BOOST_CHECK(!IsStandardTx(t, reason));
+
+    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");
+    t.vout[1].scriptPubKey = CScript() << OP_RETURN;
+    BOOST_CHECK(!IsStandardTx(t, reason));
+
+    t.vout[0].scriptPubKey = CScript() << OP_RETURN;
+    t.vout[1].scriptPubKey = CScript() << OP_RETURN;
+    BOOST_CHECK(!IsStandardTx(t, reason));
+}
+
+BOOST_AUTO_TEST_SUITE_END()