From 8d7849b6db5f54dc32fe4f8c6c7283068473cd21 Mon Sep 17 00:00:00 2001
From: Gavin Andresen <gavinandresen@gmail.com>
Date: Tue, 10 Jan 2012 20:18:00 -0500
Subject: Refactored ConnectInputs, so valid-transaction-checks are done before
 ECDSA-verifying signatures.

---
 src/test/transaction_tests.cpp | 85 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)

(limited to 'src/test/transaction_tests.cpp')

diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index 3268343bbe..33765ca966 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -22,4 +22,89 @@ BOOST_AUTO_TEST_CASE(basic_transaction_tests)
     BOOST_CHECK_MESSAGE(!tx.CheckTransaction(), "Transaction with duplicate txins should be invalid.");
 }
 
+//
+// Helper: create two dummy transactions, each with
+// two outputs.  The first has 11 and 50 CENT outputs,
+// the second 21 and 22 CENT outputs.
+//
+static std::vector<CTransaction>
+SetupDummyInputs(CBasicKeyStore& keystoreRet, MapPrevTx& inputsRet)
+{
+    std::vector<CTransaction> dummyTransactions;
+    dummyTransactions.resize(2);
+
+    // Add some keys to the keystore:
+    CKey key[4];
+    for (int i = 0; i < 4; i++)
+    {
+        key[i].MakeNewKey();
+        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.SetBitcoinAddress(key[0].GetPubKey());
+    dummyTransactions[0].vout[1].nValue = 50*CENT;
+    dummyTransactions[0].vout[1].scriptPubKey.SetBitcoinAddress(key[1].GetPubKey());
+    inputsRet[dummyTransactions[0].GetHash()] = make_pair(CTxIndex(), dummyTransactions[0]);
+
+    dummyTransactions[1].vout.resize(2);
+    dummyTransactions[1].vout[0].nValue = 21*CENT;
+    dummyTransactions[1].vout[0].scriptPubKey.SetBitcoinAddress(key[2].GetPubKey());
+    dummyTransactions[1].vout[1].nValue = 22*CENT;
+    dummyTransactions[1].vout[1].scriptPubKey.SetBitcoinAddress(key[3].GetPubKey());
+    inputsRet[dummyTransactions[1].GetHash()] = make_pair(CTxIndex(), dummyTransactions[1]);
+
+    return dummyTransactions;
+}
+
+BOOST_AUTO_TEST_CASE(test_Get)
+{
+    CBasicKeyStore keystore;
+    MapPrevTx dummyInputs;
+    std::vector<CTransaction> dummyTransactions = SetupDummyInputs(keystore, dummyInputs);
+
+    CTransaction t1;
+    t1.vin.resize(3);
+    t1.vin[0].prevout.hash = dummyTransactions[0].GetHash();
+    t1.vin[0].prevout.n = 1;
+    t1.vin[1].prevout.hash = dummyTransactions[1].GetHash();;
+    t1.vin[1].prevout.n = 0;
+    t1.vin[2].prevout.hash = dummyTransactions[1].GetHash();;
+    t1.vin[2].prevout.n = 1;
+    t1.vout.resize(2);
+    t1.vout[0].nValue = 90*CENT;
+    t1.vout[0].scriptPubKey << OP_1;
+
+    BOOST_CHECK(t1.AreInputsStandard(dummyInputs));
+    BOOST_CHECK_EQUAL(t1.GetSigOpCount(dummyInputs), 3);
+    BOOST_CHECK_EQUAL(t1.GetValueIn(dummyInputs), (50+21+22)*CENT);
+}
+
+BOOST_AUTO_TEST_CASE(test_GetThrow)
+{
+    CBasicKeyStore keystore;
+    MapPrevTx dummyInputs;
+    std::vector<CTransaction> dummyTransactions = SetupDummyInputs(keystore, dummyInputs);
+
+    MapPrevTx missingInputs;
+
+    CTransaction t1;
+    t1.vin.resize(3);
+    t1.vin[0].prevout.hash = dummyTransactions[0].GetHash();
+    t1.vin[0].prevout.n = 0;
+    t1.vin[1].prevout.hash = dummyTransactions[1].GetHash();;
+    t1.vin[1].prevout.n = 0;
+    t1.vin[2].prevout.hash = dummyTransactions[1].GetHash();;
+    t1.vin[2].prevout.n = 1;
+    t1.vout.resize(2);
+    t1.vout[0].nValue = 90*CENT;
+    t1.vout[0].scriptPubKey << OP_1;
+
+    BOOST_CHECK_THROW(t1.AreInputsStandard(missingInputs), runtime_error);
+    BOOST_CHECK_THROW(t1.GetSigOpCount(missingInputs), runtime_error);
+    BOOST_CHECK_THROW(t1.GetValueIn(missingInputs), runtime_error);
+}
+
 BOOST_AUTO_TEST_SUITE_END()
-- 
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