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-rw-r--r--src/policy/fees.cpp33
-rw-r--r--src/policy/fees.h26
-rw-r--r--src/policy/policy.cpp4
-rw-r--r--src/policy/policy.h14
4 files changed, 29 insertions, 48 deletions
diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp
index 5407aefb45..da33e4100f 100644
--- a/src/policy/fees.cpp
+++ b/src/policy/fees.cpp
@@ -298,13 +298,13 @@ bool CBlockPolicyEstimator::removeTx(uint256 hash)
}
}
-CBlockPolicyEstimator::CBlockPolicyEstimator(const CFeeRate& _minRelayFee)
+CBlockPolicyEstimator::CBlockPolicyEstimator()
: nBestSeenHeight(0), trackedTxs(0), untrackedTxs(0)
{
- static_assert(MIN_FEERATE > 0, "Min feerate must be nonzero");
- minTrackedFee = _minRelayFee < CFeeRate(MIN_FEERATE) ? CFeeRate(MIN_FEERATE) : _minRelayFee;
+ static_assert(MIN_BUCKET_FEERATE > 0, "Min feerate must be nonzero");
+ minTrackedFee = CFeeRate(MIN_BUCKET_FEERATE);
std::vector<double> vfeelist;
- for (double bucketBoundary = minTrackedFee.GetFeePerK(); bucketBoundary <= MAX_FEERATE; bucketBoundary *= FEE_SPACING) {
+ for (double bucketBoundary = minTrackedFee.GetFeePerK(); bucketBoundary <= MAX_BUCKET_FEERATE; bucketBoundary *= FEE_SPACING) {
vfeelist.push_back(bucketBoundary);
}
vfeelist.push_back(INF_FEERATE);
@@ -452,24 +452,6 @@ CFeeRate CBlockPolicyEstimator::estimateSmartFee(int confTarget, int *answerFoun
return CFeeRate(median);
}
-double CBlockPolicyEstimator::estimatePriority(int confTarget)
-{
- return -1;
-}
-
-double CBlockPolicyEstimator::estimateSmartPriority(int confTarget, int *answerFoundAtTarget, const CTxMemPool& pool)
-{
- if (answerFoundAtTarget)
- *answerFoundAtTarget = confTarget;
-
- // If mempool is limiting txs, no priority txs are allowed
- CAmount minPoolFee = pool.GetMinFee(GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFeePerK();
- if (minPoolFee > 0)
- return INF_PRIORITY;
-
- return -1;
-}
-
void CBlockPolicyEstimator::Write(CAutoFile& fileout)
{
fileout << nBestSeenHeight;
@@ -482,17 +464,14 @@ void CBlockPolicyEstimator::Read(CAutoFile& filein, int nFileVersion)
filein >> nFileBestSeenHeight;
feeStats.Read(filein);
nBestSeenHeight = nFileBestSeenHeight;
- if (nFileVersion < 139900) {
- TxConfirmStats priStats;
- priStats.Read(filein);
- }
+ // if nVersionThatWrote < 139900 then another TxConfirmStats (for priority) follows but can be ignored.
}
FeeFilterRounder::FeeFilterRounder(const CFeeRate& minIncrementalFee)
{
CAmount minFeeLimit = std::max(CAmount(1), minIncrementalFee.GetFeePerK() / 2);
feeset.insert(0);
- for (double bucketBoundary = minFeeLimit; bucketBoundary <= MAX_FEERATE; bucketBoundary *= FEE_SPACING) {
+ for (double bucketBoundary = minFeeLimit; bucketBoundary <= MAX_BUCKET_FEERATE; bucketBoundary *= FEE_SPACING) {
feeset.insert(bucketBoundary);
}
}
diff --git a/src/policy/fees.h b/src/policy/fees.h
index 064466afe4..dd01c90c45 100644
--- a/src/policy/fees.h
+++ b/src/policy/fees.h
@@ -179,10 +179,14 @@ static const double MIN_SUCCESS_PCT = .95;
static const double SUFFICIENT_FEETXS = 1;
// Minimum and Maximum values for tracking feerates
-static constexpr double MIN_FEERATE = 10;
-static const double MAX_FEERATE = 1e7;
+// The MIN_BUCKET_FEERATE should just be set to the lowest reasonable feerate we
+// might ever want to track. Historically this has been 1000 since it was
+// inheriting DEFAULT_MIN_RELAY_TX_FEE and changing it is disruptive as it
+// invalidates old estimates files. So leave it at 1000 unless it becomes
+// necessary to lower it, and then lower it substantially.
+static constexpr double MIN_BUCKET_FEERATE = 1000;
+static const double MAX_BUCKET_FEERATE = 1e7;
static const double INF_FEERATE = MAX_MONEY;
-static const double INF_PRIORITY = 1e9 * MAX_MONEY;
// We have to lump transactions into buckets based on feerate, but we want to be able
// to give accurate estimates over a large range of potential feerates
@@ -199,7 +203,7 @@ class CBlockPolicyEstimator
{
public:
/** Create new BlockPolicyEstimator and initialize stats tracking classes with default values */
- CBlockPolicyEstimator(const CFeeRate& minRelayFee);
+ CBlockPolicyEstimator();
/** Process all the transactions that have been included in a block */
void processBlock(unsigned int nBlockHeight,
@@ -223,20 +227,6 @@ public:
*/
CFeeRate estimateSmartFee(int confTarget, int *answerFoundAtTarget, const CTxMemPool& pool);
- /** Return a priority estimate.
- * DEPRECATED
- * Returns -1
- */
- double estimatePriority(int confTarget);
-
- /** Estimate priority needed to get be included in a block within
- * confTarget blocks.
- * DEPRECATED
- * Returns -1 unless mempool is currently limited then returns INF_PRIORITY
- * answerFoundAtTarget is set to confTarget
- */
- double estimateSmartPriority(int confTarget, int *answerFoundAtTarget, const CTxMemPool& pool);
-
/** Write estimation data to a file */
void Write(CAutoFile& fileout);
diff --git a/src/policy/policy.cpp b/src/policy/policy.cpp
index d318a0997c..ec398f6627 100644
--- a/src/policy/policy.cpp
+++ b/src/policy/policy.cpp
@@ -105,7 +105,7 @@ bool IsStandardTx(const CTransaction& tx, std::string& reason, const bool witnes
else if ((whichType == TX_MULTISIG) && (!fIsBareMultisigStd)) {
reason = "bare-multisig";
return false;
- } else if (txout.IsDust(::minRelayTxFee)) {
+ } else if (txout.IsDust(dustRelayFee)) {
reason = "dust";
return false;
}
@@ -206,6 +206,8 @@ bool IsWitnessStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
return true;
}
+CFeeRate incrementalRelayFee = CFeeRate(DEFAULT_INCREMENTAL_RELAY_FEE);
+CFeeRate dustRelayFee = CFeeRate(DUST_RELAY_TX_FEE);
unsigned int nBytesPerSigOp = DEFAULT_BYTES_PER_SIGOP;
int64_t GetVirtualTransactionSize(int64_t nWeight, int64_t nSigOpCost)
diff --git a/src/policy/policy.h b/src/policy/policy.h
index 764ee27806..6df541bc0f 100644
--- a/src/policy/policy.h
+++ b/src/policy/policy.h
@@ -16,10 +16,10 @@ class CCoinsViewCache;
/** Default for -blockmaxsize, which controls the maximum size of block the mining code will create **/
static const unsigned int DEFAULT_BLOCK_MAX_SIZE = 750000;
-/** Default for -blockprioritysize, maximum space for zero/low-fee transactions **/
-static const unsigned int DEFAULT_BLOCK_PRIORITY_SIZE = 0;
/** Default for -blockmaxweight, which controls the range of block weights the mining code will create **/
static const unsigned int DEFAULT_BLOCK_MAX_WEIGHT = 3000000;
+/** Default for -blockmintxfee, which sets the minimum feerate for a transaction in blocks created by mining code **/
+static const unsigned int DEFAULT_BLOCK_MIN_TX_FEE = 1000;
/** The maximum weight for transactions we're willing to relay/mine */
static const unsigned int MAX_STANDARD_TX_WEIGHT = 400000;
/** Maximum number of signature check operations in an IsStandard() P2SH script */
@@ -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 -incrementalrelayfee, which sets the minimum feerate increase for mempool limiting or BIP 125 replacement **/
+static const unsigned int DEFAULT_INCREMENTAL_RELAY_FEE = 1000;
/** Default for -bytespersigop */
static const unsigned int DEFAULT_BYTES_PER_SIGOP = 20;
/** The maximum number of witness stack items in a standard P2WSH script */
@@ -36,6 +38,12 @@ static const unsigned int MAX_STANDARD_P2WSH_STACK_ITEMS = 100;
static const unsigned int MAX_STANDARD_P2WSH_STACK_ITEM_SIZE = 80;
/** The maximum size of a standard witnessScript */
static const unsigned int MAX_STANDARD_P2WSH_SCRIPT_SIZE = 3600;
+/** Min feerate for defining dust. Historically this has been the same as the
+ * minRelayTxFee, however changing the dust limit changes which transactions are
+ * standard and should be done with care and ideally rarely. It makes sense to
+ * only increase the dust limit after prior releases were already not creating
+ * outputs below the new threshold */
+static const unsigned int DUST_RELAY_TX_FEE = 1000;
/**
* Standard script verification flags that standard transactions will comply
* with. However scripts violating these flags may still be present in valid
@@ -83,6 +91,8 @@ bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
*/
bool IsWitnessStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs);
+extern CFeeRate incrementalRelayFee;
+extern CFeeRate dustRelayFee;
extern unsigned int nBytesPerSigOp;
/** Compute the virtual transaction size (weight reinterpreted as bytes). */