diff options
Diffstat (limited to 'src/policy')
| -rw-r--r-- | src/policy/fees.cpp | 19 | ||||
| -rw-r--r-- | src/policy/fees.h | 13 | ||||
| -rw-r--r-- | src/policy/policy.cpp | 2 | ||||
| -rw-r--r-- | src/policy/policy.h | 6 |
4 files changed, 37 insertions, 3 deletions
diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp index de3c060d6a..7b0e8b7d08 100644 --- a/src/policy/fees.cpp +++ b/src/policy/fees.cpp @@ -8,6 +8,7 @@ #include "amount.h" #include "primitives/transaction.h" +#include "random.h" #include "streams.h" #include "txmempool.h" #include "util.h" @@ -580,3 +581,21 @@ void CBlockPolicyEstimator::Read(CAutoFile& filein) priStats.Read(filein); nBestSeenHeight = nFileBestSeenHeight; } + +FeeFilterRounder::FeeFilterRounder(const CFeeRate& minIncrementalFee) +{ + CAmount minFeeLimit = minIncrementalFee.GetFeePerK() / 2; + feeset.insert(0); + for (double bucketBoundary = minFeeLimit; bucketBoundary <= MAX_FEERATE; bucketBoundary *= FEE_SPACING) { + feeset.insert(bucketBoundary); + } +} + +CAmount FeeFilterRounder::round(CAmount currentMinFee) +{ + std::set<double>::iterator it = feeset.lower_bound(currentMinFee); + if ((it != feeset.begin() && insecure_rand() % 3 != 0) || it == feeset.end()) { + it--; + } + return *it; +} diff --git a/src/policy/fees.h b/src/policy/fees.h index 3fa31c39e7..cdd984de7d 100644 --- a/src/policy/fees.h +++ b/src/policy/fees.h @@ -286,4 +286,17 @@ private: CFeeRate feeLikely, feeUnlikely; double priLikely, priUnlikely; }; + +class FeeFilterRounder +{ +public: + /** Create new FeeFilterRounder */ + FeeFilterRounder(const CFeeRate& minIncrementalFee); + + /** Quantize a minimum fee for privacy purpose before broadcast **/ + CAmount round(CAmount currentMinFee); + +private: + std::set<double> feeset; +}; #endif /*BITCOIN_POLICYESTIMATOR_H */ diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp index 332abc430e..e3ed7be000 100644 --- a/src/policy/policy.cpp +++ b/src/policy/policy.cpp @@ -55,7 +55,7 @@ bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType) bool IsStandardTx(const CTransaction& tx, std::string& reason) { - if (tx.nVersion > CTransaction::CURRENT_VERSION || tx.nVersion < 1) { + if (tx.nVersion > CTransaction::MAX_STANDARD_VERSION || tx.nVersion < 1) { reason = "version"; return false; } diff --git a/src/policy/policy.h b/src/policy/policy.h index 726864f190..4f9354e36f 100644 --- a/src/policy/policy.h +++ b/src/policy/policy.h @@ -40,13 +40,15 @@ static const unsigned int STANDARD_SCRIPT_VERIFY_FLAGS = MANDATORY_SCRIPT_VERIFY SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS | SCRIPT_VERIFY_CLEANSTACK | SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY | + SCRIPT_VERIFY_CHECKSEQUENCEVERIFY | SCRIPT_VERIFY_LOW_S; /** For convenience, standard but not mandatory verify flags. */ static const unsigned int STANDARD_NOT_MANDATORY_VERIFY_FLAGS = STANDARD_SCRIPT_VERIFY_FLAGS & ~MANDATORY_SCRIPT_VERIFY_FLAGS; -/** Used as the flags parameter to CheckFinalTx() in non-consensus code */ -static const unsigned int STANDARD_LOCKTIME_VERIFY_FLAGS = LOCKTIME_MEDIAN_TIME_PAST; +/** Used as the flags parameter to sequence and nLocktime checks in non-consensus code. */ +static const unsigned int STANDARD_LOCKTIME_VERIFY_FLAGS = LOCKTIME_VERIFY_SEQUENCE | + LOCKTIME_MEDIAN_TIME_PAST; bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType); /** |