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Treat high-sigop transactions as larger rather than rejecting them

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This commit is contained in:
Pieter Wuille
2016-07-18 20:57:20 +02:00
committed by dexX7
parent ced6c940da
commit 3f65ba2b3b
6 changed files with 15 additions and 12 deletions
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10
src/policy/policy.cpp
View File

@@ -154,12 +154,14 @@ bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
return true;
}
int64_t GetVirtualTransactionSize(int64_t nWeight)
unsigned int nBytesPerSigOp = DEFAULT_BYTES_PER_SIGOP;
int64_t GetVirtualTransactionSize(int64_t nWeight, int64_t nSigOpCost)
{
return (nWeight + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR;
return (std::max(nWeight, nSigOpCost * nBytesPerSigOp) + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR;
}
int64_t GetVirtualTransactionSize(const CTransaction& tx)
int64_t GetVirtualTransactionSize(const CTransaction& tx, int64_t nSigOpCost)
{
return GetVirtualTransactionSize(GetTransactionWeight(tx));
return GetVirtualTransactionSize(GetTransactionWeight(tx), nSigOpCost);
}

8
src/policy/policy.h
View File

@@ -28,6 +28,8 @@ static const unsigned int MAX_P2SH_SIGOPS = 15;
static const unsigned int MAX_STANDARD_TX_SIGOPS_COST = MAX_BLOCK_SIGOPS_COST/5;
/** Default for -maxmempool, maximum megabytes of mempool memory usage */
static const unsigned int DEFAULT_MAX_MEMPOOL_SIZE = 300;
/** Default for -bytespersigop */
static const unsigned int DEFAULT_BYTES_PER_SIGOP = 20;
/**
* Standard script verification flags that standard transactions will comply
* with. However scripts violating these flags may still be present in valid
@@ -66,8 +68,10 @@ bool IsStandardTx(const CTransaction& tx, std::string& reason, const bool witnes
*/
bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs);
extern unsigned int nBytesPerSigOp;
/** Compute the virtual transaction size (weight reinterpreted as bytes). */
int64_t GetVirtualTransactionSize(int64_t nWeight);
int64_t GetVirtualTransactionSize(const CTransaction& tx);
int64_t GetVirtualTransactionSize(int64_t nWeight, int64_t nSigOpCost);
int64_t GetVirtualTransactionSize(const CTransaction& tx, int64_t nSigOpCost = 0);
#endif // BITCOIN_POLICY_POLICY_H