Merge pull request #5913

5922b67 Add assertion and cast before sending reject code (Wladimir J. van der Laan)
a651403 Add absurdly high fee message to validation state (for RPC propagation) (Shaul Kfir)
This commit is contained in:
Wladimir J. van der Laan 2015-08-05 19:12:46 +02:00
commit a0625b8085
No known key found for this signature in database
GPG Key ID: 74810B012346C9A6
3 changed files with 13 additions and 8 deletions

View File

@ -28,12 +28,12 @@ private:
} mode;
int nDoS;
std::string strRejectReason;
unsigned char chRejectCode;
unsigned int chRejectCode;
bool corruptionPossible;
public:
CValidationState() : mode(MODE_VALID), nDoS(0), chRejectCode(0), corruptionPossible(false) {}
bool DoS(int level, bool ret = false,
unsigned char chRejectCodeIn=0, std::string strRejectReasonIn="",
unsigned int chRejectCodeIn=0, std::string strRejectReasonIn="",
bool corruptionIn=false) {
chRejectCode = chRejectCodeIn;
strRejectReason = strRejectReasonIn;
@ -45,7 +45,7 @@ public:
return ret;
}
bool Invalid(bool ret = false,
unsigned char _chRejectCode=0, std::string _strRejectReason="") {
unsigned int _chRejectCode=0, std::string _strRejectReason="") {
return DoS(0, ret, _chRejectCode, _strRejectReason);
}
bool Error(const std::string& strRejectReasonIn) {
@ -73,7 +73,7 @@ public:
bool CorruptionPossible() const {
return corruptionPossible;
}
unsigned char GetRejectCode() const { return chRejectCode; }
unsigned int GetRejectCode() const { return chRejectCode; }
std::string GetRejectReason() const { return strRejectReason; }
};

View File

@ -927,9 +927,10 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
}
if (fRejectAbsurdFee && nFees > ::minRelayTxFee.GetFee(nSize) * 10000)
return error("AcceptToMemoryPool: absurdly high fees %s, %d > %d",
return state.Invalid(error("AcceptToMemoryPool: absurdly high fees %s, %d > %d",
hash.ToString(),
nFees, ::minRelayTxFee.GetFee(nSize) * 10000);
nFees, ::minRelayTxFee.GetFee(nSize) * 10000),
REJECT_HIGHFEE, "absurdly-high-fee");
// Check against previous transactions
// This is done last to help prevent CPU exhaustion denial-of-service attacks.
@ -1238,7 +1239,8 @@ 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().substr(0, MAX_REJECT_MESSAGE_LENGTH), pindex->GetBlockHash()};
assert(state.GetRejectCode() < 0x100);
CBlockReject reject = {(unsigned char)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);

View File

@ -455,4 +455,7 @@ extern CBlockTreeDB *pblocktree;
*/
int GetSpendHeight(const CCoinsViewCache& inputs);
/** local "reject" message codes for RPC which can not be triggered by p2p trasactions */
static const unsigned int REJECT_HIGHFEE = 0x100;
#endif // BITCOIN_MAIN_H