From ab48c5e72156b34300db4a6521cb3c9969be3937 Mon Sep 17 00:00:00 2001 From: Nicolas DORIER Date: Tue, 16 Aug 2016 15:37:56 +0200 Subject: [PATCH] Unit test for sighash caching --- src/test/transaction_tests.cpp | 81 ++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp index c06515f73..8f8666c76 100644 --- a/src/test/transaction_tests.cpp +++ b/src/test/transaction_tests.cpp @@ -7,6 +7,7 @@ #include "test/test_bitcoin.h" #include "clientversion.h" +#include "checkqueue.h" #include "consensus/validation.h" #include "core_io.h" #include "key.h" @@ -421,6 +422,86 @@ void ReplaceRedeemScript(CScript& script, const CScript& redeemScript) script = PushAll(stack); } +BOOST_AUTO_TEST_CASE(test_big_witness_transaction) { + CMutableTransaction mtx; + mtx.nVersion = 1; + + CKey key; + key.MakeNewKey(false); + CBasicKeyStore keystore; + keystore.AddKeyPubKey(key, key.GetPubKey()); + CKeyID hash = key.GetPubKey().GetID(); + CScript scriptPubKey = CScript() << OP_0 << std::vector(hash.begin(), hash.end()); + + vector sigHashes; + sigHashes.push_back(SIGHASH_NONE | SIGHASH_ANYONECANPAY); + sigHashes.push_back(SIGHASH_SINGLE | SIGHASH_ANYONECANPAY); + sigHashes.push_back(SIGHASH_ALL | SIGHASH_ANYONECANPAY); + sigHashes.push_back(SIGHASH_NONE); + sigHashes.push_back(SIGHASH_SINGLE); + sigHashes.push_back(SIGHASH_ALL); + + // create a big transaction of 4500 inputs signed by the same key + for(uint32_t ij = 0; ij < 4500; ij++) { + uint32_t i = mtx.vin.size(); + uint256 prevId; + prevId.SetHex("0000000000000000000000000000000000000000000000000000000000000100"); + COutPoint outpoint(prevId, i); + + mtx.vin.resize(mtx.vin.size() + 1); + mtx.vin[i].prevout = outpoint; + mtx.vin[i].scriptSig = CScript(); + + mtx.vout.resize(mtx.vout.size() + 1); + mtx.vout[i].nValue = 1000; + mtx.vout[i].scriptPubKey = CScript() << OP_1; + } + + // sign all inputs + for(uint32_t i = 0; i < mtx.vin.size(); i++) { + bool hashSigned = SignSignature(keystore, scriptPubKey, mtx, i, 1000, sigHashes.at(i % sigHashes.size())); + assert(hashSigned); + } + + CTransaction tx; + CDataStream ssout(SER_NETWORK, PROTOCOL_VERSION); + WithOrVersion(&ssout, 0) << mtx; + WithOrVersion(&ssout, 0) >> tx; + + // check all inputs concurrently, with the cache + CachedHashes cachedHashes(tx); + boost::thread_group threadGroup; + CCheckQueue scriptcheckqueue(128); + CCheckQueueControl control(&scriptcheckqueue); + + for (int i=0; i<20; i++) + threadGroup.create_thread(boost::bind(&CCheckQueue::Thread, boost::ref(scriptcheckqueue))); + + CCoins coins; + coins.nVersion = 1; + coins.fCoinBase = false; + for(uint32_t i = 0; i < mtx.vin.size(); i++) { + CTxOut txout; + txout.nValue = 1000; + txout.scriptPubKey = scriptPubKey; + coins.vout.push_back(txout); + } + + for(uint32_t i = 0; i < mtx.vin.size(); i++) { + std::vector vChecks; + CScriptCheck check(coins, tx, i, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, false, &cachedHashes); + vChecks.push_back(CScriptCheck()); + check.swap(vChecks.back()); + control.Add(vChecks); + } + + bool controlCheck = control.Wait(); + assert(controlCheck); + + threadGroup.interrupt_all(); + threadGroup.join_all(); +} + BOOST_AUTO_TEST_CASE(test_witness) { CBasicKeyStore keystore, keystore2;