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-rw-r--r--src/Makefile.am2
-rw-r--r--src/bitcoin-tx.cpp2
-rw-r--r--src/main.cpp37
-rw-r--r--src/main.h14
-rw-r--r--src/miner.cpp2
-rw-r--r--src/rpcnet.cpp42
-rw-r--r--src/rpcrawtransaction.cpp2
-rw-r--r--src/script/interpreter.cpp89
-rw-r--r--src/script/interpreter.h37
-rw-r--r--src/script/sigcache.cpp88
-rw-r--r--src/script/sigcache.h26
-rw-r--r--src/script/sign.cpp8
-rw-r--r--src/serialize.h55
-rw-r--r--src/test/multisig_tests.cpp18
-rw-r--r--src/test/script_P2SH_tests.cpp4
-rw-r--r--src/test/script_tests.cpp73
-rw-r--r--src/test/transaction_tests.cpp5
17 files changed, 296 insertions, 208 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index bd6f1ba0d5..155adfef7d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -103,6 +103,7 @@ BITCOIN_CORE_H = \
script/compressor.h \
script/interpreter.h \
script/script.h \
+ script/sigcache.h \
script/sign.h \
script/standard.h \
serialize.h \
@@ -218,6 +219,7 @@ libbitcoin_common_a_SOURCES = \
script/compressor.cpp \
script/interpreter.cpp \
script/script.cpp \
+ script/sigcache.cpp \
script/sign.cpp \
script/standard.cpp \
$(BITCOIN_CORE_H)
diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index a61b4fe29d..a198eb586e 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -435,7 +435,7 @@ static void MutateTxSign(CMutableTransaction& tx, const string& flagStr)
BOOST_FOREACH(const CTransaction& txv, txVariants) {
txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
}
- if (!VerifyScript(txin.scriptSig, prevPubKey, mergedTx, i, STANDARD_SCRIPT_VERIFY_FLAGS))
+ if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, SignatureChecker(mergedTx, i)))
fComplete = false;
}
diff --git a/src/main.cpp b/src/main.cpp
index 793b3511aa..44ac232aad 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -645,7 +645,7 @@ bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
// IsStandard() will have already returned false
// and this method isn't called.
vector<vector<unsigned char> > stack;
- if (!EvalScript(stack, tx.vin[i].scriptSig, tx, i, false))
+ if (!EvalScript(stack, tx.vin[i].scriptSig, false, BaseSignatureChecker()))
return false;
if (whichType == TX_SCRIPTHASH)
@@ -943,7 +943,7 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
// Check against previous transactions
// This is done last to help prevent CPU exhaustion denial-of-service attacks.
- if (!CheckInputs(tx, state, view, true, STANDARD_SCRIPT_VERIFY_FLAGS))
+ if (!CheckInputs(tx, state, view, true, STANDARD_SCRIPT_VERIFY_FLAGS, true))
{
return error("AcceptToMemoryPool: : ConnectInputs failed %s", hash.ToString());
}
@@ -1316,12 +1316,12 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
bool CScriptCheck::operator()() const {
const CScript &scriptSig = ptxTo->vin[nIn].scriptSig;
- if (!VerifyScript(scriptSig, scriptPubKey, *ptxTo, nIn, nFlags))
+ if (!VerifyScript(scriptSig, scriptPubKey, nFlags, CachingSignatureChecker(*ptxTo, nIn, cacheStore)))
return error("CScriptCheck() : %s:%d VerifySignature failed", ptxTo->GetHash().ToString(), nIn);
return true;
}
-bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, std::vector<CScriptCheck> *pvChecks)
+bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &inputs, bool fScriptChecks, unsigned int flags, bool cacheStore, std::vector<CScriptCheck> *pvChecks)
{
if (!tx.IsCoinBase())
{
@@ -1390,7 +1390,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
assert(coins);
// Verify signature
- CScriptCheck check(*coins, tx, i, flags);
+ CScriptCheck check(*coins, tx, i, flags, cacheStore);
if (pvChecks) {
pvChecks->push_back(CScriptCheck());
check.swap(pvChecks->back());
@@ -1403,7 +1403,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
// avoid splitting the network between upgraded and
// non-upgraded nodes.
CScriptCheck check(*coins, tx, i,
- flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS);
+ flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS, cacheStore);
if (check())
return state.Invalid(false, REJECT_NONSTANDARD, "non-mandatory-script-verify-flag");
}
@@ -1599,8 +1599,7 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
int64_t nBIP16SwitchTime = 1333238400;
bool fStrictPayToScriptHash = (pindex->GetBlockTime() >= nBIP16SwitchTime);
- unsigned int flags = SCRIPT_VERIFY_NOCACHE |
- (fStrictPayToScriptHash ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE);
+ unsigned int flags = fStrictPayToScriptHash ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE;
CBlockUndo blockundo;
@@ -1644,7 +1643,7 @@ bool ConnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex, C
nFees += view.GetValueIn(tx)-tx.GetValueOut();
std::vector<CScriptCheck> vChecks;
- if (!CheckInputs(tx, state, view, fScriptChecks, flags, nScriptCheckThreads ? &vChecks : NULL))
+ if (!CheckInputs(tx, state, view, fScriptChecks, flags, false, nScriptCheckThreads ? &vChecks : NULL))
return false;
control.Add(vChecks);
}
@@ -2274,7 +2273,7 @@ bool AcceptBlockHeader(CBlockHeader& block, CValidationState& state, CBlockIndex
if (miSelf != mapBlockIndex.end()) {
pindex = miSelf->second;
if (pindex->nStatus & BLOCK_FAILED_MASK)
- return state.Invalid(error("AcceptBlock() : block is marked invalid"), 0, "duplicate");
+ return state.Invalid(error("%s : block is marked invalid", __func__), 0, "duplicate");
}
CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint();
@@ -2284,12 +2283,12 @@ bool AcceptBlockHeader(CBlockHeader& block, CValidationState& state, CBlockIndex
int64_t deltaTime = block.GetBlockTime() - pcheckpoint->GetBlockTime();
if (deltaTime < 0)
{
- return state.DoS(100, error("CheckBlockHeader() : block with timestamp before last checkpoint"),
+ return state.DoS(100, error("%s : block with timestamp before last checkpoint", __func__),
REJECT_CHECKPOINT, "time-too-old");
}
if (!CheckMinWork(block.nBits, pcheckpoint->nBits, deltaTime))
{
- return state.DoS(100, error("CheckBlockHeader() : block with too little proof-of-work"),
+ return state.DoS(100, error("%s : block with too little proof-of-work", __func__),
REJECT_INVALID, "bad-diffbits");
}
}
@@ -2300,36 +2299,36 @@ bool AcceptBlockHeader(CBlockHeader& block, CValidationState& state, CBlockIndex
if (hash != Params().HashGenesisBlock()) {
BlockMap::iterator mi = mapBlockIndex.find(block.hashPrevBlock);
if (mi == mapBlockIndex.end())
- return state.DoS(10, error("AcceptBlock() : prev block not found"), 0, "bad-prevblk");
+ return state.DoS(10, error("%s : prev block not found", __func__), 0, "bad-prevblk");
pindexPrev = (*mi).second;
nHeight = pindexPrev->nHeight+1;
// Check proof of work
if ((!Params().SkipProofOfWorkCheck()) &&
(block.nBits != GetNextWorkRequired(pindexPrev, &block)))
- return state.DoS(100, error("AcceptBlock() : incorrect proof of work"),
+ return state.DoS(100, error("%s : incorrect proof of work", __func__),
REJECT_INVALID, "bad-diffbits");
// Check timestamp against prev
if (block.GetBlockTime() <= pindexPrev->GetMedianTimePast())
- return state.Invalid(error("AcceptBlock() : block's timestamp is too early"),
+ return state.Invalid(error("%s : block's timestamp is too early", __func__),
REJECT_INVALID, "time-too-old");
// Check that the block chain matches the known block chain up to a checkpoint
if (!Checkpoints::CheckBlock(nHeight, hash))
- return state.DoS(100, error("AcceptBlock() : rejected by checkpoint lock-in at %d", nHeight),
+ return state.DoS(100, error("%s : rejected by checkpoint lock-in at %d", __func__, nHeight),
REJECT_CHECKPOINT, "checkpoint mismatch");
// Don't accept any forks from the main chain prior to last checkpoint
CBlockIndex* pcheckpoint = Checkpoints::GetLastCheckpoint();
if (pcheckpoint && nHeight < pcheckpoint->nHeight)
- return state.DoS(100, error("AcceptBlock() : forked chain older than last checkpoint (height %d)", nHeight));
+ return state.DoS(100, error("%s : forked chain older than last checkpoint (height %d)", __func__, nHeight));
// Reject block.nVersion=1 blocks when 95% (75% on testnet) of the network has upgraded:
if (block.nVersion < 2 &&
CBlockIndex::IsSuperMajority(2, pindexPrev, Params().RejectBlockOutdatedMajority()))
{
- return state.Invalid(error("AcceptBlock() : rejected nVersion=1 block"),
+ return state.Invalid(error("%s : rejected nVersion=1 block", __func__),
REJECT_OBSOLETE, "bad-version");
}
}
@@ -3087,6 +3086,7 @@ bool LoadExternalBlockFile(FILE* fileIn, CDiskBlockPos *dbp)
int nLoaded = 0;
try {
+ // This takes over fileIn and calls fclose() on it in the CBufferedFile destructor
CBufferedFile blkdat(fileIn, 2*MAX_BLOCK_SIZE, MAX_BLOCK_SIZE+8, SER_DISK, CLIENT_VERSION);
uint64_t nStartByte = 0;
if (dbp) {
@@ -3143,7 +3143,6 @@ bool LoadExternalBlockFile(FILE* fileIn, CDiskBlockPos *dbp)
LogPrintf("%s : Deserialize or I/O error - %s", __func__, e.what());
}
}
- fclose(fileIn);
} catch(std::runtime_error &e) {
AbortNode(std::string("System error: ") + e.what());
}
diff --git a/src/main.h b/src/main.h
index 156a0af19f..cad7eebfb7 100644
--- a/src/main.h
+++ b/src/main.h
@@ -17,6 +17,7 @@
#include "net.h"
#include "pow.h"
#include "script/script.h"
+#include "script/sigcache.h"
#include "script/standard.h"
#include "sync.h"
#include "txmempool.h"
@@ -258,9 +259,8 @@ unsigned int GetP2SHSigOpCount(const CTransaction& tx, const CCoinsViewCache& ma
// Check whether all inputs of this transaction are valid (no double spends, scripts & sigs, amounts)
// This does not modify the UTXO set. If pvChecks is not NULL, script checks are pushed onto it
// instead of being performed inline.
-bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &view, bool fScriptChecks = true,
- unsigned int flags = STANDARD_SCRIPT_VERIFY_FLAGS,
- std::vector<CScriptCheck> *pvChecks = NULL);
+bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsViewCache &view, bool fScriptChecks,
+ unsigned int flags, bool cacheStore, std::vector<CScriptCheck> *pvChecks = NULL);
// Apply the effects of this transaction on the UTXO set represented by view
void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCache &inputs, CTxUndo &txundo, int nHeight);
@@ -302,12 +302,13 @@ private:
const CTransaction *ptxTo;
unsigned int nIn;
unsigned int nFlags;
+ bool cacheStore;
public:
- CScriptCheck(): ptxTo(0), nIn(0), nFlags(0) {}
- CScriptCheck(const CCoins& txFromIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn) :
+ CScriptCheck(): ptxTo(0), nIn(0), nFlags(0), cacheStore(false) {}
+ CScriptCheck(const CCoins& txFromIn, const CTransaction& txToIn, unsigned int nInIn, unsigned int nFlagsIn, bool cacheIn) :
scriptPubKey(txFromIn.vout[txToIn.vin[nInIn].prevout.n].scriptPubKey),
- ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn) { }
+ ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), cacheStore(cacheIn) { }
bool operator()() const;
@@ -316,6 +317,7 @@ public:
std::swap(ptxTo, check.ptxTo);
std::swap(nIn, check.nIn);
std::swap(nFlags, check.nFlags);
+ std::swap(cacheStore, check.cacheStore);
}
};
diff --git a/src/miner.cpp b/src/miner.cpp
index 361a2bea41..280349e8c2 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -257,7 +257,7 @@ CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
// policy here, but we still have to ensure that the block we
// create only contains transactions that are valid in new blocks.
CValidationState state;
- if (!CheckInputs(tx, state, view, true, MANDATORY_SCRIPT_VERIFY_FLAGS))
+ if (!CheckInputs(tx, state, view, true, MANDATORY_SCRIPT_VERIFY_FLAGS, true))
continue;
CTxUndo txundo;
diff --git a/src/rpcnet.cpp b/src/rpcnet.cpp
index fb159d96f6..bc19d1372a 100644
--- a/src/rpcnet.cpp
+++ b/src/rpcnet.cpp
@@ -368,23 +368,29 @@ Value getnetworkinfo(const Array& params, bool fHelp)
"Returns an object containing various state info regarding P2P networking.\n"
"\nResult:\n"
"{\n"
- " \"version\": xxxxx, (numeric) the server version\n"
- " \"protocolversion\": xxxxx, (numeric) the protocol version\n"
- " \"localservices\": \"xxxxxxxxxxxxxxxx\", (string) the services we offer to the network\n"
- " \"timeoffset\": xxxxx, (numeric) the time offset\n"
- " \"connections\": xxxxx, (numeric) the number of connections\n"
- " \"networks\": [ (array) information per network\n"
- " \"name\": \"xxx\", (string) network (ipv4, ipv6 or onion)\n"
- " \"limited\": xxx, (boolean) is the network limited using -onlynet?\n"
- " \"reachable\": xxx, (boolean) is the network reachable?\n"
- " \"proxy\": \"host:port\" (string) the proxy that is used for this network, or empty if none\n"
- " },\n"
+ " \"version\": xxxxx, (numeric) the server version\n"
+ " \"subversion\": \"/Satoshi:x.x.x/\", (string) the server subversion string\n"
+ " \"protocolversion\": xxxxx, (numeric) the protocol version\n"
+ " \"localservices\": \"xxxxxxxxxxxxxxxx\", (string) the services we offer to the network\n"
+ " \"timeoffset\": xxxxx, (numeric) the time offset\n"
+ " \"connections\": xxxxx, (numeric) the number of connections\n"
+ " \"networks\": [ (array) information per network\n"
+ " {\n"
+ " \"name\": \"xxx\", (string) network (ipv4, ipv6 or onion)\n"
+ " \"limited\": true|false, (boolean) is the network limited using -onlynet?\n"
+ " \"reachable\": true|false, (boolean) is the network reachable?\n"
+ " \"proxy\": \"host:port\" (string) the proxy that is used for this network, or empty if none\n"
+ " }\n"
+ " ,...\n"
" ],\n"
- " \"relayfee\": x.xxxx, (numeric) minimum relay fee for non-free transactions in btc/kb\n"
- " \"localaddresses\": [, (array) list of local addresses\n"
- " \"address\": \"xxxx\", (string) network address\n"
- " \"port\": xxx, (numeric) network port\n"
- " \"score\": xxx (numeric) relative score\n"
+ " \"relayfee\": x.xxxxxxxx, (numeric) minimum relay fee for non-free transactions in btc/kb\n"
+ " \"localaddresses\": [ (array) list of local addresses\n"
+ " {\n"
+ " \"address\": \"xxxx\", (string) network address\n"
+ " \"port\": xxx, (numeric) network port\n"
+ " \"score\": xxx (numeric) relative score\n"
+ " }\n"
+ " ,...\n"
" ]\n"
"}\n"
"\nExamples:\n"
@@ -393,10 +399,10 @@ Value getnetworkinfo(const Array& params, bool fHelp)
);
Object obj;
- obj.push_back(Pair("version", (int)CLIENT_VERSION));
+ obj.push_back(Pair("version", CLIENT_VERSION));
obj.push_back(Pair("subversion",
FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<string>())));
- obj.push_back(Pair("protocolversion",(int)PROTOCOL_VERSION));
+ obj.push_back(Pair("protocolversion",PROTOCOL_VERSION));
obj.push_back(Pair("localservices", strprintf("%016x", nLocalServices)));
obj.push_back(Pair("timeoffset", GetTimeOffset()));
obj.push_back(Pair("connections", (int)vNodes.size()));
diff --git a/src/rpcrawtransaction.cpp b/src/rpcrawtransaction.cpp
index bd87d77704..e50a278bc8 100644
--- a/src/rpcrawtransaction.cpp
+++ b/src/rpcrawtransaction.cpp
@@ -687,7 +687,7 @@ Value signrawtransaction(const Array& params, bool fHelp)
BOOST_FOREACH(const CMutableTransaction& txv, txVariants) {
txin.scriptSig = CombineSignatures(prevPubKey, mergedTx, i, txin.scriptSig, txv.vin[i].scriptSig);
}
- if (!VerifyScript(txin.scriptSig, prevPubKey, mergedTx, i, STANDARD_SCRIPT_VERIFY_FLAGS))
+ if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, SignatureChecker(mergedTx, i)))
fComplete = false;
}
diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp
index a71f55dd26..56140f19db 100644
--- a/src/script/interpreter.cpp
+++ b/src/script/interpreter.cpp
@@ -9,14 +9,10 @@
#include "crypto/ripemd160.h"
#include "crypto/sha1.h"
#include "crypto/sha2.h"
-#include "random.h"
#include "script/script.h"
#include "uint256.h"
#include "util.h"
-#include <boost/thread.hpp>
-#include <boost/tuple/tuple_comparison.hpp>
-
using namespace std;
typedef vector<unsigned char> valtype;
@@ -132,7 +128,7 @@ bool IsCanonicalSignature(const valtype &vchSig, unsigned int flags) {
return true;
}
-bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags)
+bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, unsigned int flags, const BaseSignatureChecker& checker)
{
CScript::const_iterator pc = script.begin();
CScript::const_iterator pend = script.end();
@@ -675,7 +671,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
scriptCode.FindAndDelete(CScript(vchSig));
bool fSuccess = IsCanonicalSignature(vchSig, flags) && IsCanonicalPubKey(vchPubKey, flags) &&
- CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, flags);
+ checker.CheckSig(vchSig, vchPubKey, scriptCode);
popstack(stack);
popstack(stack);
@@ -736,7 +732,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
// Check signature
bool fOk = IsCanonicalSignature(vchSig, flags) && IsCanonicalPubKey(vchPubKey, flags) &&
- CheckSig(vchSig, vchPubKey, scriptCode, txTo, nIn, flags);
+ checker.CheckSig(vchSig, vchPubKey, scriptCode);
if (fOk) {
isig++;
@@ -897,7 +893,7 @@ public:
} // anon namespace
-uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType)
+uint256 SignatureHash(const CScript& scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType)
{
if (nIn >= txTo.vin.size()) {
LogPrintf("ERROR: SignatureHash() : nIn=%d out of range\n", nIn);
@@ -921,70 +917,19 @@ uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsig
return ss.GetHash();
}
-// Valid signature cache, to avoid doing expensive ECDSA signature checking
-// twice for every transaction (once when accepted into memory pool, and
-// again when accepted into the block chain)
-class CSignatureCache
+bool SignatureChecker::VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& pubkey, const uint256& sighash) const
{
-private:
- // sigdata_type is (signature hash, signature, public key):
- typedef boost::tuple<uint256, std::vector<unsigned char>, CPubKey> sigdata_type;
- std::set< sigdata_type> setValid;
- boost::shared_mutex cs_sigcache;
-
-public:
- bool
- Get(const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubKey)
- {
- boost::shared_lock<boost::shared_mutex> lock(cs_sigcache);
-
- sigdata_type k(hash, vchSig, pubKey);
- std::set<sigdata_type>::iterator mi = setValid.find(k);
- if (mi != setValid.end())
- return true;
- return false;
- }
-
- void Set(const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubKey)
- {
- // DoS prevention: limit cache size to less than 10MB
- // (~200 bytes per cache entry times 50,000 entries)
- // Since there are a maximum of 20,000 signature operations per block
- // 50,000 is a reasonable default.
- int64_t nMaxCacheSize = GetArg("-maxsigcachesize", 50000);
- if (nMaxCacheSize <= 0) return;
-
- boost::unique_lock<boost::shared_mutex> lock(cs_sigcache);
-
- while (static_cast<int64_t>(setValid.size()) > nMaxCacheSize)
- {
- // Evict a random entry. Random because that helps
- // foil would-be DoS attackers who might try to pre-generate
- // and re-use a set of valid signatures just-slightly-greater
- // than our cache size.
- uint256 randomHash = GetRandHash();
- std::vector<unsigned char> unused;
- std::set<sigdata_type>::iterator it =
- setValid.lower_bound(sigdata_type(randomHash, unused, unused));
- if (it == setValid.end())
- it = setValid.begin();
- setValid.erase(*it);
- }
-
- sigdata_type k(hash, vchSig, pubKey);
- setValid.insert(k);
- }
-};
+ return pubkey.Verify(sighash, vchSig);
+}
-bool CheckSig(vector<unsigned char> vchSig, const vector<unsigned char>& vchPubKey, const CScript& scriptCode, const CTransaction& txTo, unsigned int nIn, int flags)
+bool SignatureChecker::CheckSig(const vector<unsigned char>& vchSigIn, const vector<unsigned char>& vchPubKey, const CScript& scriptCode) const
{
- static CSignatureCache signatureCache;
-
CPubKey pubkey(vchPubKey);
if (!pubkey.IsValid())
return false;
// Hash type is one byte tacked on to the end of the signature
+ vector<unsigned char> vchSig(vchSigIn);
if (vchSig.empty())
return false;
int nHashType = vchSig.back();
@@ -992,26 +937,20 @@ bool CheckSig(vector<unsigned char> vchSig, const vector<unsigned char>& vchPubK
uint256 sighash = SignatureHash(scriptCode, txTo, nIn, nHashType);
- if (signatureCache.Get(sighash, vchSig, pubkey))
- return true;
-
- if (!pubkey.Verify(sighash, vchSig))
+ if (!VerifySignature(vchSig, pubkey, sighash))
return false;
- if (!(flags & SCRIPT_VERIFY_NOCACHE))
- signatureCache.Set(sighash, vchSig, pubkey);
-
return true;
}
-bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags)
+bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, unsigned int flags, const BaseSignatureChecker& checker)
{
vector<vector<unsigned char> > stack, stackCopy;
- if (!EvalScript(stack, scriptSig, txTo, nIn, flags))
+ if (!EvalScript(stack, scriptSig, flags, checker))
return false;
if (flags & SCRIPT_VERIFY_P2SH)
stackCopy = stack;
- if (!EvalScript(stack, scriptPubKey, txTo, nIn, flags))
+ if (!EvalScript(stack, scriptPubKey, flags, checker))
return false;
if (stack.empty())
return false;
@@ -1034,7 +973,7 @@ bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const C
CScript pubKey2(pubKeySerialized.begin(), pubKeySerialized.end());
popstack(stackCopy);
- if (!EvalScript(stackCopy, pubKey2, txTo, nIn, flags))
+ if (!EvalScript(stackCopy, pubKey2, flags, checker))
return false;
if (stackCopy.empty())
return false;
diff --git a/src/script/interpreter.h b/src/script/interpreter.h
index adca2142ac..f5363a7535 100644
--- a/src/script/interpreter.h
+++ b/src/script/interpreter.h
@@ -10,9 +10,10 @@
#include <stdint.h>
#include <string>
+class uint256;
+class CPubKey;
class CScript;
class CTransaction;
-class uint256;
/** Signature hash types/flags */
enum
@@ -30,16 +31,40 @@ enum
SCRIPT_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
SCRIPT_VERIFY_STRICTENC = (1U << 1), // enforce strict conformance to DER and SEC2 for signatures and pubkeys
SCRIPT_VERIFY_LOW_S = (1U << 2), // enforce low S values (<n/2) in signatures (depends on STRICTENC)
- SCRIPT_VERIFY_NOCACHE = (1U << 3), // do not store results in signature cache (but do query it)
- SCRIPT_VERIFY_NULLDUMMY = (1U << 4), // verify dummy stack item consumed by CHECKMULTISIG is of zero-length
+ SCRIPT_VERIFY_NULLDUMMY = (1U << 3), // verify dummy stack item consumed by CHECKMULTISIG is of zero-length
};
bool IsCanonicalPubKey(const std::vector<unsigned char> &vchPubKey, unsigned int flags);
bool IsCanonicalSignature(const std::vector<unsigned char> &vchSig, unsigned int flags);
uint256 SignatureHash(const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int nHashType);
-bool CheckSig(std::vector<unsigned char> vchSig, const std::vector<unsigned char> &vchPubKey, const CScript &scriptCode, const CTransaction& txTo, unsigned int nIn, int flags);
-bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, unsigned int flags);
-bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, const CTransaction& txTo, unsigned int nIn, unsigned int flags);
+
+class BaseSignatureChecker
+{
+public:
+ virtual bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode) const
+ {
+ return false;
+ }
+
+ virtual ~BaseSignatureChecker() {}
+};
+
+class SignatureChecker : public BaseSignatureChecker
+{
+private:
+ const CTransaction& txTo;
+ unsigned int nIn;
+
+protected:
+ virtual bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
+
+public:
+ SignatureChecker(const CTransaction& txToIn, unsigned int nInIn) : txTo(txToIn), nIn(nInIn) {}
+ bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode) const;
+};
+
+bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, unsigned int flags, const BaseSignatureChecker& checker);
+bool VerifyScript(const CScript& scriptSig, const CScript& scriptPubKey, unsigned int flags, const BaseSignatureChecker& checker);
#endif // H_BITCOIN_SCRIPT_INTERPRETER
diff --git a/src/script/sigcache.cpp b/src/script/sigcache.cpp
new file mode 100644
index 0000000000..981563b7ae
--- /dev/null
+++ b/src/script/sigcache.cpp
@@ -0,0 +1,88 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2013 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "sigcache.h"
+
+#include "key.h"
+#include "random.h"
+#include "uint256.h"
+#include "util.h"
+
+#include <boost/thread.hpp>
+#include <boost/tuple/tuple_comparison.hpp>
+
+namespace {
+
+// Valid signature cache, to avoid doing expensive ECDSA signature checking
+// twice for every transaction (once when accepted into memory pool, and
+// again when accepted into the block chain)
+class CSignatureCache
+{
+private:
+ // sigdata_type is (signature hash, signature, public key):
+ typedef boost::tuple<uint256, std::vector<unsigned char>, CPubKey> sigdata_type;
+ std::set< sigdata_type> setValid;
+ boost::shared_mutex cs_sigcache;
+
+public:
+ bool
+ Get(const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubKey)
+ {
+ boost::shared_lock<boost::shared_mutex> lock(cs_sigcache);
+
+ sigdata_type k(hash, vchSig, pubKey);
+ std::set<sigdata_type>::iterator mi = setValid.find(k);
+ if (mi != setValid.end())
+ return true;
+ return false;
+ }
+
+ void Set(const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubKey)
+ {
+ // DoS prevention: limit cache size to less than 10MB
+ // (~200 bytes per cache entry times 50,000 entries)
+ // Since there are a maximum of 20,000 signature operations per block
+ // 50,000 is a reasonable default.
+ int64_t nMaxCacheSize = GetArg("-maxsigcachesize", 50000);
+ if (nMaxCacheSize <= 0) return;
+
+ boost::unique_lock<boost::shared_mutex> lock(cs_sigcache);
+
+ while (static_cast<int64_t>(setValid.size()) > nMaxCacheSize)
+ {
+ // Evict a random entry. Random because that helps
+ // foil would-be DoS attackers who might try to pre-generate
+ // and re-use a set of valid signatures just-slightly-greater
+ // than our cache size.
+ uint256 randomHash = GetRandHash();
+ std::vector<unsigned char> unused;
+ std::set<sigdata_type>::iterator it =
+ setValid.lower_bound(sigdata_type(randomHash, unused, unused));
+ if (it == setValid.end())
+ it = setValid.begin();
+ setValid.erase(*it);
+ }
+
+ sigdata_type k(hash, vchSig, pubKey);
+ setValid.insert(k);
+ }
+};
+
+}
+
+bool CachingSignatureChecker::VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& pubkey, const uint256& sighash) const
+{
+ static CSignatureCache signatureCache;
+
+ if (signatureCache.Get(sighash, vchSig, pubkey))
+ return true;
+
+ if (!SignatureChecker::VerifySignature(vchSig, pubkey, sighash))
+ return false;
+
+ if (store)
+ signatureCache.Set(sighash, vchSig, pubkey);
+ return true;
+}
diff --git a/src/script/sigcache.h b/src/script/sigcache.h
new file mode 100644
index 0000000000..9537efbd11
--- /dev/null
+++ b/src/script/sigcache.h
@@ -0,0 +1,26 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2013 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef H_BITCOIN_SCRIPT_SIGCACHE
+#define H_BITCOIN_SCRIPT_SIGCACHE
+
+#include "script/interpreter.h"
+
+#include <vector>
+
+class CPubKey;
+
+class CachingSignatureChecker : public SignatureChecker
+{
+private:
+ bool store;
+
+public:
+ CachingSignatureChecker(const CTransaction& txToIn, unsigned int nInIn, bool storeIn=true) : SignatureChecker(txToIn, nInIn), store(storeIn) {}
+
+ bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
+};
+
+#endif
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 8abd8d221d..da77e7d1f1 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -123,7 +123,7 @@ bool SignSignature(const CKeyStore &keystore, const CScript& fromPubKey, CMutabl
}
// Test solution
- return VerifyScript(txin.scriptSig, fromPubKey, txTo, nIn, STANDARD_SCRIPT_VERIFY_FLAGS);
+ return VerifyScript(txin.scriptSig, fromPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, SignatureChecker(txTo, nIn));
}
bool SignSignature(const CKeyStore &keystore, const CTransaction& txFrom, CMutableTransaction& txTo, unsigned int nIn, int nHashType)
@@ -174,7 +174,7 @@ static CScript CombineMultisig(CScript scriptPubKey, const CMutableTransaction&
if (sigs.count(pubkey))
continue; // Already got a sig for this pubkey
- if (CheckSig(sig, pubkey, scriptPubKey, txTo, nIn, 0))
+ if (SignatureChecker(txTo, nIn).CheckSig(sig, pubkey, scriptPubKey))
{
sigs[pubkey] = sig;
break;
@@ -252,9 +252,9 @@ CScript CombineSignatures(CScript scriptPubKey, const CTransaction& txTo, unsign
Solver(scriptPubKey, txType, vSolutions);
vector<valtype> stack1;
- EvalScript(stack1, scriptSig1, CTransaction(), 0, SCRIPT_VERIFY_STRICTENC);
+ EvalScript(stack1, scriptSig1, SCRIPT_VERIFY_STRICTENC, BaseSignatureChecker());
vector<valtype> stack2;
- EvalScript(stack2, scriptSig2, CTransaction(), 0, SCRIPT_VERIFY_STRICTENC);
+ EvalScript(stack2, scriptSig2, SCRIPT_VERIFY_STRICTENC, BaseSignatureChecker());
return CombineSignatures(scriptPubKey, txTo, nIn, txType, vSolutions, stack1, stack2);
}
diff --git a/src/serialize.h b/src/serialize.h
index 68501facf2..ff11edc06c 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -1154,7 +1154,7 @@ public:
-/** Non-refcounted RAII wrapper for FILE*.
+/** Non-refcounted RAII wrapper for FILE*
*
* Will automatically close the file when it goes out of scope if not null.
* If you're returning the file pointer, return file.release().
@@ -1166,12 +1166,13 @@ private:
// Disallow copies
CAutoFile(const CAutoFile&);
CAutoFile& operator=(const CAutoFile&);
-protected:
- FILE* file;
-public:
+
int nType;
int nVersion;
+
+ FILE* file;
+public:
CAutoFile(FILE* filenew, int nTypeIn, int nVersionIn)
{
file = filenew;
@@ -1186,9 +1187,10 @@ public:
void fclose()
{
- if (file != NULL && file != stdin && file != stdout && file != stderr)
+ if (file) {
::fclose(file);
- file = NULL;
+ file = NULL;
+ }
}
FILE* release() { FILE* ret = file; file = NULL; return ret; }
@@ -1256,13 +1258,23 @@ public:
}
};
-/** Wrapper around a FILE* that implements a ring buffer to
- * deserialize from. It guarantees the ability to rewind
- * a given number of bytes. */
+/** Non-refcounted RAII wrapper around a FILE* that implements a ring buffer to
+ * deserialize from. It guarantees the ability to rewind a given number of bytes.
+ *
+ * Will automatically close the file when it goes out of scope if not null.
+ * If you need to close the file early, use file.fclose() instead of fclose(file).
+ */
class CBufferedFile
{
private:
- FILE *src; // source file
+ // Disallow copies
+ CBufferedFile(const CBufferedFile&);
+ CBufferedFile& operator=(const CBufferedFile&);
+
+ int nType;
+ int nVersion;
+
+ FILE *src; // source file
uint64_t nSrcPos; // how many bytes have been read from source
uint64_t nReadPos; // how many bytes have been read from this
uint64_t nReadLimit; // up to which position we're allowed to read
@@ -1289,12 +1301,25 @@ protected:
}
public:
- int nType;
- int nVersion;
-
CBufferedFile(FILE *fileIn, uint64_t nBufSize, uint64_t nRewindIn, int nTypeIn, int nVersionIn) :
- src(fileIn), nSrcPos(0), nReadPos(0), nReadLimit((uint64_t)(-1)), nRewind(nRewindIn), vchBuf(nBufSize, 0),
- nType(nTypeIn), nVersion(nVersionIn) {
+ nSrcPos(0), nReadPos(0), nReadLimit((uint64_t)(-1)), nRewind(nRewindIn), vchBuf(nBufSize, 0)
+ {
+ src = fileIn;
+ nType = nTypeIn;
+ nVersion = nVersionIn;
+ }
+
+ ~CBufferedFile()
+ {
+ fclose();
+ }
+
+ void fclose()
+ {
+ if (src) {
+ ::fclose(src);
+ src = NULL;
+ }
}
// check whether we're at the end of the source file
diff --git a/src/test/multisig_tests.cpp b/src/test/multisig_tests.cpp
index cb37740068..5a2ec1cb31 100644
--- a/src/test/multisig_tests.cpp
+++ b/src/test/multisig_tests.cpp
@@ -82,19 +82,19 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
keys.clear();
keys += key[0],key[1]; // magic operator+= from boost.assign
s = sign_multisig(a_and_b, keys, txTo[0], 0);
- BOOST_CHECK(VerifyScript(s, a_and_b, txTo[0], 0, flags));
+ BOOST_CHECK(VerifyScript(s, a_and_b, flags, SignatureChecker(txTo[0], 0)));
for (int i = 0; i < 4; i++)
{
keys.clear();
keys += key[i];
s = sign_multisig(a_and_b, keys, txTo[0], 0);
- BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, flags), strprintf("a&b 1: %d", i));
+ BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, flags, SignatureChecker(txTo[0], 0)), strprintf("a&b 1: %d", i));
keys.clear();
keys += key[1],key[i];
s = sign_multisig(a_and_b, keys, txTo[0], 0);
- BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, txTo[0], 0, flags), strprintf("a&b 2: %d", i));
+ BOOST_CHECK_MESSAGE(!VerifyScript(s, a_and_b, flags, SignatureChecker(txTo[0], 0)), strprintf("a&b 2: %d", i));
}
// Test a OR b:
@@ -104,16 +104,16 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
keys += key[i];
s = sign_multisig(a_or_b, keys, txTo[1], 0);
if (i == 0 || i == 1)
- BOOST_CHECK_MESSAGE(VerifyScript(s, a_or_b, txTo[1], 0, flags), strprintf("a|b: %d", i));
+ BOOST_CHECK_MESSAGE(VerifyScript(s, a_or_b, flags, SignatureChecker(txTo[1], 0)), strprintf("a|b: %d", i));
else
- BOOST_CHECK_MESSAGE(!VerifyScript(s, a_or_b, txTo[1], 0, flags), strprintf("a|b: %d", i));
+ BOOST_CHECK_MESSAGE(!VerifyScript(s, a_or_b, flags, SignatureChecker(txTo[1], 0)), strprintf("a|b: %d", i));
}
s.clear();
s << OP_0 << OP_0;
- BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, flags));
+ BOOST_CHECK(!VerifyScript(s, a_or_b, flags, SignatureChecker(txTo[1], 0)));
s.clear();
s << OP_0 << OP_1;
- BOOST_CHECK(!VerifyScript(s, a_or_b, txTo[1], 0, flags));
+ BOOST_CHECK(!VerifyScript(s, a_or_b, flags, SignatureChecker(txTo[1], 0)));
for (int i = 0; i < 4; i++)
@@ -123,9 +123,9 @@ BOOST_AUTO_TEST_CASE(multisig_verify)
keys += key[i],key[j];
s = sign_multisig(escrow, keys, txTo[2], 0);
if (i < j && i < 3 && j < 3)
- BOOST_CHECK_MESSAGE(VerifyScript(s, escrow, txTo[2], 0, flags), strprintf("escrow 1: %d %d", i, j));
+ BOOST_CHECK_MESSAGE(VerifyScript(s, escrow, flags, SignatureChecker(txTo[2], 0)), strprintf("escrow 1: %d %d", i, j));
else
- BOOST_CHECK_MESSAGE(!VerifyScript(s, escrow, txTo[2], 0, flags), strprintf("escrow 2: %d %d", i, j));
+ BOOST_CHECK_MESSAGE(!VerifyScript(s, escrow, flags, SignatureChecker(txTo[2], 0)), strprintf("escrow 2: %d %d", i, j));
}
}
diff --git a/src/test/script_P2SH_tests.cpp b/src/test/script_P2SH_tests.cpp
index e6cf00c2d0..6c32a263a9 100644
--- a/src/test/script_P2SH_tests.cpp
+++ b/src/test/script_P2SH_tests.cpp
@@ -42,7 +42,7 @@ Verify(const CScript& scriptSig, const CScript& scriptPubKey, bool fStrict)
txTo.vin[0].scriptSig = scriptSig;
txTo.vout[0].nValue = 1;
- return VerifyScript(scriptSig, scriptPubKey, txTo, 0, fStrict ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE);
+ return VerifyScript(scriptSig, scriptPubKey, fStrict ? SCRIPT_VERIFY_P2SH : SCRIPT_VERIFY_NONE, SignatureChecker(txTo, 0));
}
@@ -113,7 +113,7 @@ BOOST_AUTO_TEST_CASE(sign)
{
CScript sigSave = txTo[i].vin[0].scriptSig;
txTo[i].vin[0].scriptSig = txTo[j].vin[0].scriptSig;
- bool sigOK = CScriptCheck(CCoins(txFrom, 0), txTo[i], 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC)();
+ bool sigOK = CScriptCheck(CCoins(txFrom, 0), txTo[i], 0, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC, false)();
if (i == j)
BOOST_CHECK_MESSAGE(sigOK, strprintf("VerifySignature %d %d", i, j));
else
diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp
index 7f09b3daa1..6ed3e03f53 100644
--- a/src/test/script_tests.cpp
+++ b/src/test/script_tests.cpp
@@ -70,7 +70,7 @@ CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey)
return txCredit;
}
-CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CTransaction& txCredit)
+CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CMutableTransaction& txCredit)
{
CMutableTransaction txSpend;
txSpend.nVersion = 1;
@@ -89,7 +89,7 @@ CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CTr
void DoTest(const CScript& scriptPubKey, const CScript& scriptSig, int flags, bool expect, const std::string& message)
{
- BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, BuildSpendingTransaction(scriptSig, BuildCreditingTransaction(scriptPubKey)), 0, flags) == expect, message);
+ BOOST_CHECK_MESSAGE(VerifyScript(scriptSig, scriptPubKey, flags, SignatureChecker(BuildSpendingTransaction(scriptSig, BuildCreditingTransaction(scriptPubKey)), 0)) == expect, message);
}
namespace
@@ -464,18 +464,18 @@ BOOST_AUTO_TEST_CASE(script_PushData)
static const unsigned char pushdata4[] = { OP_PUSHDATA4, 1, 0, 0, 0, 0x5a };
vector<vector<unsigned char> > directStack;
- BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), CTransaction(), 0, true));
+ BOOST_CHECK(EvalScript(directStack, CScript(&direct[0], &direct[sizeof(direct)]), true, BaseSignatureChecker()));
vector<vector<unsigned char> > pushdata1Stack;
- BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), CTransaction(), 0, true));
+ BOOST_CHECK(EvalScript(pushdata1Stack, CScript(&pushdata1[0], &pushdata1[sizeof(pushdata1)]), true, BaseSignatureChecker()));
BOOST_CHECK(pushdata1Stack == directStack);
vector<vector<unsigned char> > pushdata2Stack;
- BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), CTransaction(), 0, true));
+ BOOST_CHECK(EvalScript(pushdata2Stack, CScript(&pushdata2[0], &pushdata2[sizeof(pushdata2)]), true, BaseSignatureChecker()));
BOOST_CHECK(pushdata2Stack == directStack);
vector<vector<unsigned char> > pushdata4Stack;
- BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), CTransaction(), 0, true));
+ BOOST_CHECK(EvalScript(pushdata4Stack, CScript(&pushdata4[0], &pushdata4[sizeof(pushdata4)]), true, BaseSignatureChecker()));
BOOST_CHECK(pushdata4Stack == directStack);
}
@@ -521,27 +521,19 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG12)
CScript scriptPubKey12;
scriptPubKey12 << OP_1 << key1.GetPubKey() << key2.GetPubKey() << OP_2 << OP_CHECKMULTISIG;
- CMutableTransaction txFrom12;
- txFrom12.vout.resize(1);
- txFrom12.vout[0].scriptPubKey = scriptPubKey12;
-
- CMutableTransaction txTo12;
- txTo12.vin.resize(1);
- txTo12.vout.resize(1);
- txTo12.vin[0].prevout.n = 0;
- txTo12.vin[0].prevout.hash = txFrom12.GetHash();
- txTo12.vout[0].nValue = 1;
+ CMutableTransaction txFrom12 = BuildCreditingTransaction(scriptPubKey12);
+ CMutableTransaction txTo12 = BuildSpendingTransaction(CScript(), txFrom12);
CScript goodsig1 = sign_multisig(scriptPubKey12, key1, txTo12);
- BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, flags));
+ BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0)));
txTo12.vout[0].nValue = 2;
- BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, txTo12, 0, flags));
+ BOOST_CHECK(!VerifyScript(goodsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0)));
CScript goodsig2 = sign_multisig(scriptPubKey12, key2, txTo12);
- BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, txTo12, 0, flags));
+ BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey12, flags, SignatureChecker(txTo12, 0)));
CScript badsig1 = sign_multisig(scriptPubKey12, key3, txTo12);
- BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, txTo12, 0, flags));
+ BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey12, flags, SignatureChecker(txTo12, 0)));
}
BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23)
@@ -555,60 +547,52 @@ BOOST_AUTO_TEST_CASE(script_CHECKMULTISIG23)
CScript scriptPubKey23;
scriptPubKey23 << OP_2 << key1.GetPubKey() << key2.GetPubKey() << key3.GetPubKey() << OP_3 << OP_CHECKMULTISIG;
- CMutableTransaction txFrom23;
- txFrom23.vout.resize(1);
- txFrom23.vout[0].scriptPubKey = scriptPubKey23;
-
- CMutableTransaction txTo23;
- txTo23.vin.resize(1);
- txTo23.vout.resize(1);
- txTo23.vin[0].prevout.n = 0;
- txTo23.vin[0].prevout.hash = txFrom23.GetHash();
- txTo23.vout[0].nValue = 1;
+ CMutableTransaction txFrom23 = BuildCreditingTransaction(scriptPubKey23);
+ CMutableTransaction txTo23 = BuildSpendingTransaction(CScript(), txFrom23);
std::vector<CKey> keys;
keys.push_back(key1); keys.push_back(key2);
CScript goodsig1 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(VerifyScript(goodsig1, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
keys.clear();
keys.push_back(key1); keys.push_back(key3);
CScript goodsig2 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(VerifyScript(goodsig2, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
keys.clear();
keys.push_back(key2); keys.push_back(key3);
CScript goodsig3 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(VerifyScript(goodsig3, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
keys.clear();
keys.push_back(key2); keys.push_back(key2); // Can't re-use sig
CScript badsig1 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(!VerifyScript(badsig1, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
keys.clear();
keys.push_back(key2); keys.push_back(key1); // sigs must be in correct order
CScript badsig2 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(!VerifyScript(badsig2, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(!VerifyScript(badsig2, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
keys.clear();
keys.push_back(key3); keys.push_back(key2); // sigs must be in correct order
CScript badsig3 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(!VerifyScript(badsig3, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(!VerifyScript(badsig3, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
keys.clear();
keys.push_back(key4); keys.push_back(key2); // sigs must match pubkeys
CScript badsig4 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(!VerifyScript(badsig4, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(!VerifyScript(badsig4, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
keys.clear();
keys.push_back(key1); keys.push_back(key4); // sigs must match pubkeys
CScript badsig5 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(!VerifyScript(badsig5, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(!VerifyScript(badsig5, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
keys.clear(); // Must have signatures
CScript badsig6 = sign_multisig(scriptPubKey23, keys, txTo23);
- BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, txTo23, 0, flags));
+ BOOST_CHECK(!VerifyScript(badsig6, scriptPubKey23, flags, SignatureChecker(txTo23, 0)));
}
BOOST_AUTO_TEST_CASE(script_combineSigs)
@@ -626,17 +610,10 @@ BOOST_AUTO_TEST_CASE(script_combineSigs)
keystore.AddKey(key);
}
- CMutableTransaction txFrom;
- txFrom.vout.resize(1);
- txFrom.vout[0].scriptPubKey = GetScriptForDestination(keys[0].GetPubKey().GetID());
+ CMutableTransaction txFrom = BuildCreditingTransaction(GetScriptForDestination(keys[0].GetPubKey().GetID()));
+ CMutableTransaction txTo = BuildSpendingTransaction(CScript(), txFrom);
CScript& scriptPubKey = txFrom.vout[0].scriptPubKey;
- CMutableTransaction 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);
diff --git a/src/test/transaction_tests.cpp b/src/test/transaction_tests.cpp
index 83116b51e5..823afa1680 100644
--- a/src/test/transaction_tests.cpp
+++ b/src/test/transaction_tests.cpp
@@ -27,7 +27,6 @@ using namespace boost::algorithm;
// In script_tests.cpp
extern Array read_json(const std::string& jsondata);
-// Note how NOCACHE is not included as it is a runtime-only flag.
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)
@@ -139,7 +138,7 @@ BOOST_AUTO_TEST_CASE(tx_valid)
unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
BOOST_CHECK_MESSAGE(VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
- tx, i, verify_flags),
+ verify_flags, SignatureChecker(tx, i)),
strTest);
}
}
@@ -212,7 +211,7 @@ BOOST_AUTO_TEST_CASE(tx_invalid)
unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
fValid = VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
- tx, i, verify_flags);
+ verify_flags, SignatureChecker(tx, i));
}
BOOST_CHECK_MESSAGE(!fValid, strTest);
generated by cgit v1.2.3 (git 2.26.2) at 2024-07-17 06:52:16 +0000