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-rw-r--r--doc/build-unix.md2
-rw-r--r--src/main.cpp19
-rw-r--r--src/main.h12
3 files changed, 20 insertions, 13 deletions
diff --git a/doc/build-unix.md b/doc/build-unix.md
index e03dc8181a..9bb1a53aba 100644
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -106,7 +106,7 @@ To build with Qt 4 you need the following:
For Qt 5 you need the following:
- sudo apt-get install libqt5gui5 libqt5core5 libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler
+ sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler
libqrencode (optional) can be installed with:
diff --git a/src/main.cpp b/src/main.cpp
index 451d6c8cd9..784e2569d9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1334,7 +1334,7 @@ void static InvalidBlockFound(CBlockIndex *pindex, const CValidationState &state
if (state.IsInvalid(nDoS)) {
std::map<uint256, NodeId>::iterator it = mapBlockSource.find(pindex->GetBlockHash());
if (it != mapBlockSource.end() && State(it->second)) {
- CBlockReject reject = {state.GetRejectCode(), state.GetRejectReason(), pindex->GetBlockHash()};
+ CBlockReject reject = {state.GetRejectCode(), state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), pindex->GetBlockHash()};
State(it->second)->rejects.push_back(reject);
if (nDoS > 0)
Misbehaving(it->second, nDoS);
@@ -1364,10 +1364,11 @@ void UpdateCoins(const CTransaction& tx, CValidationState &state, CCoinsViewCach
inputs.ModifyCoins(tx.GetHash())->FromTx(tx, nHeight);
}
-bool CScriptCheck::operator()() const {
+bool CScriptCheck::operator()() {
const CScript &scriptSig = ptxTo->vin[nIn].scriptSig;
- if (!VerifyScript(scriptSig, scriptPubKey, nFlags, CachingSignatureChecker(*ptxTo, nIn, cacheStore)))
- return error("CScriptCheck() : %s:%d VerifySignature failed", ptxTo->GetHash().ToString(), nIn);
+ if (!VerifyScript(scriptSig, scriptPubKey, nFlags, CachingSignatureChecker(*ptxTo, nIn, cacheStore), &error)) {
+ return ::error("CScriptCheck() : %s:%d VerifySignature failed: %s", ptxTo->GetHash().ToString(), nIn, ScriptErrorString(error));
+ }
return true;
}
@@ -1455,7 +1456,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
CScriptCheck check(*coins, tx, i,
flags & ~STANDARD_NOT_MANDATORY_VERIFY_FLAGS, cacheStore);
if (check())
- return state.Invalid(false, REJECT_NONSTANDARD, "non-mandatory-script-verify-flag");
+ return state.Invalid(false, REJECT_NONSTANDARD, strprintf("non-mandatory-script-verify-flag (%s)", ScriptErrorString(check.GetScriptError())));
}
// Failures of other flags indicate a transaction that is
// invalid in new blocks, e.g. a invalid P2SH. We DoS ban
@@ -1464,7 +1465,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
// as to the correct behavior - we may want to continue
// peering with non-upgraded nodes even after a soft-fork
// super-majority vote has passed.
- return state.DoS(100,false, REJECT_INVALID, "mandatory-script-verify-flag-failed");
+ return state.DoS(100,false, REJECT_INVALID, strprintf("mandatory-script-verify-flag-failed (%s)", ScriptErrorString(check.GetScriptError())));
}
}
}
@@ -3990,7 +3991,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
pfrom->id, pfrom->cleanSubVer,
state.GetRejectReason());
pfrom->PushMessage("reject", strCommand, state.GetRejectCode(),
- state.GetRejectReason(), inv.hash);
+ state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash);
if (nDoS > 0)
Misbehaving(pfrom->GetId(), nDoS);
}
@@ -4064,7 +4065,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
int nDoS;
if (state.IsInvalid(nDoS)) {
pfrom->PushMessage("reject", strCommand, state.GetRejectCode(),
- state.GetRejectReason(), inv.hash);
+ state.GetRejectReason().substr(0, MAX_REJECT_MESSAGE_LENGTH), inv.hash);
if (nDoS > 0) {
LOCK(cs_main);
Misbehaving(pfrom->GetId(), nDoS);
@@ -4271,7 +4272,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv,
if (fDebug) {
try {
string strMsg; unsigned char ccode; string strReason;
- vRecv >> LIMITED_STRING(strMsg, CMessageHeader::COMMAND_SIZE) >> ccode >> LIMITED_STRING(strReason, 111);
+ vRecv >> LIMITED_STRING(strMsg, CMessageHeader::COMMAND_SIZE) >> ccode >> LIMITED_STRING(strReason, MAX_REJECT_MESSAGE_LENGTH);
ostringstream ss;
ss << strMsg << " code " << itostr(ccode) << ": " << strReason;
diff --git a/src/main.h b/src/main.h
index fc9913b7c6..f3d30fafb3 100644
--- a/src/main.h
+++ b/src/main.h
@@ -96,6 +96,8 @@ static const unsigned int MAX_HEADERS_RESULTS = 2000;
static const unsigned int BLOCK_DOWNLOAD_WINDOW = 1024;
/** Time to wait (in seconds) between writing blockchain state to disk. */
static const unsigned int DATABASE_WRITE_INTERVAL = 3600;
+/** Maximum length of reject messages. */
+static const unsigned int MAX_REJECT_MESSAGE_LENGTH = 111;
/** "reject" message codes */
static const unsigned char REJECT_MALFORMED = 0x01;
@@ -334,14 +336,15 @@ private:
unsigned int nIn;
unsigned int nFlags;
bool cacheStore;
+ ScriptError error;
public:
- CScriptCheck(): ptxTo(0), nIn(0), nFlags(0), cacheStore(false) {}
+ CScriptCheck(): ptxTo(0), nIn(0), nFlags(0), cacheStore(false), error(SCRIPT_ERR_UNKNOWN_ERROR) {}
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), cacheStore(cacheIn) { }
+ ptxTo(&txToIn), nIn(nInIn), nFlags(nFlagsIn), cacheStore(cacheIn), error(SCRIPT_ERR_UNKNOWN_ERROR) { }
- bool operator()() const;
+ bool operator()();
void swap(CScriptCheck &check) {
scriptPubKey.swap(check.scriptPubKey);
@@ -349,7 +352,10 @@ public:
std::swap(nIn, check.nIn);
std::swap(nFlags, check.nFlags);
std::swap(cacheStore, check.cacheStore);
+ std::swap(error, check.error);
}
+
+ ScriptError GetScriptError() const { return error; }
};
/** Data structure that represents a partial merkle tree.