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authorGavin Andresen <gavinandresen@gmail.com>2015-03-03 09:59:32 -0500
committerPieter Wuille <pieter.wuille@gmail.com>2015-07-27 15:50:21 +0200
commit517e6dd25618522c716e64859554b0f29c6e65d0 (patch)
tree0df44e4bf60db529846142b60cc2894c128d3d8b /src/test/test_bitcoin.cpp
parent17b11428c135203342aff38cabc8047e673f38ac (diff)
Unit test doublespends in new blocks
As suggested by Greg Maxwell-- unit test to make sure a block with a double-spend in it doesn't pass validation if half of the double-spend is already in the memory pool (so full-blown transaction validation is skipped) when the block is received.
Diffstat (limited to 'src/test/test_bitcoin.cpp')
-rw-r--r--src/test/test_bitcoin.cpp57
1 files changed, 54 insertions, 3 deletions
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index ba616365f2..8d81275a6f 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -7,8 +7,12 @@
#include "test_bitcoin.h"
#include "chainparams.h"
+#include "consensus/consensus.h"
+#include "consensus/validation.h"
#include "key.h"
#include "main.h"
+#include "miner.h"
+#include "pubkey.h"
#include "random.h"
#include "txdb.h"
#include "ui_interface.h"
@@ -28,20 +32,22 @@ CWallet* pwalletMain;
extern bool fPrintToConsole;
extern void noui_connect();
-BasicTestingSetup::BasicTestingSetup()
+BasicTestingSetup::BasicTestingSetup(CBaseChainParams::Network network)
{
ECC_Start();
SetupEnvironment();
fPrintToDebugLog = false; // don't want to write to debug.log file
fCheckBlockIndex = true;
- SelectParams(CBaseChainParams::MAIN);
+ SelectParams(network);
+ noui_connect();
}
+
BasicTestingSetup::~BasicTestingSetup()
{
ECC_Stop();
}
-TestingSetup::TestingSetup()
+TestingSetup::TestingSetup(CBaseChainParams::Network network) : BasicTestingSetup(network)
{
#ifdef ENABLE_WALLET
bitdb.MakeMock();
@@ -87,6 +93,51 @@ TestingSetup::~TestingSetup()
boost::filesystem::remove_all(pathTemp);
}
+TestChain100Setup::TestChain100Setup() : TestingSetup(CBaseChainParams::REGTEST)
+{
+ // Generate a 100-block chain:
+ coinbaseKey.MakeNewKey(true);
+ CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
+ for (int i = 0; i < COINBASE_MATURITY; i++)
+ {
+ std::vector<CMutableTransaction> noTxns;
+ CBlock b = CreateAndProcessBlock(noTxns, scriptPubKey);
+ coinbaseTxns.push_back(b.vtx[0]);
+ }
+}
+
+//
+// Create a new block with just given transactions, coinbase paying to
+// scriptPubKey, and try to add it to the current chain.
+//
+CBlock
+TestChain100Setup::CreateAndProcessBlock(const std::vector<CMutableTransaction>& txns, const CScript& scriptPubKey)
+{
+ CBlockTemplate *pblocktemplate = CreateNewBlock(scriptPubKey);
+ CBlock& block = pblocktemplate->block;
+
+ // Replace mempool-selected txns with just coinbase plus passed-in txns:
+ block.vtx.resize(1);
+ BOOST_FOREACH(const CMutableTransaction& tx, txns)
+ block.vtx.push_back(tx);
+ // IncrementExtraNonce creates a valid coinbase and merkleRoot
+ unsigned int extraNonce = 0;
+ IncrementExtraNonce(&block, chainActive.Tip(), extraNonce);
+
+ while (!CheckProofOfWork(block.GetHash(), block.nBits, Params(CBaseChainParams::REGTEST).GetConsensus())) ++block.nNonce;
+
+ CValidationState state;
+ ProcessNewBlock(state, NULL, &block, true, NULL);
+
+ CBlock result = block;
+ delete pblocktemplate;
+ return result;
+}
+
+TestChain100Setup::~TestChain100Setup()
+{
+}
+
void Shutdown(void* parg)
{
exit(0);