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Remove uses of fee globals in wallet code

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This commit does not change behavior.
This commit is contained in:
Russell Yanofsky 2017-07-28 21:40:29 -04:00
parent 1fb0a4a04e
commit cc02c796d3
12 changed files with 54 additions and 36 deletions
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14
src/interfaces/chain.cpp
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@ -6,6 +6,8 @@
#include <chain.h>
#include <chainparams.h>
#include <policy/fees.h>
#include <policy/policy.h>
#include <policy/rbf.h>
#include <primitives/block.h>
#include <sync.h>
@ -214,6 +216,18 @@ public:
return ::mempool.CalculateMemPoolAncestors(entry, ancestors, limit_ancestor_count, limit_ancestor_size,
limit_descendant_count, limit_descendant_size, unused_error_string);
}
CFeeRate estimateSmartFee(int num_blocks, bool conservative, FeeCalculation* calc) override
{
return ::feeEstimator.estimateSmartFee(num_blocks, calc, conservative);
}
unsigned int estimateMaxBlocks() override
{
return ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
}
CFeeRate mempoolMinFee() override
{
return ::mempool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
}
};
} // namespace

10
src/interfaces/chain.h
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@ -19,6 +19,7 @@ class CScheduler;
class CTransaction;
class uint256;
struct CBlockLocator;
struct FeeCalculation;
namespace interfaces {
@ -145,6 +146,15 @@ public:
//! Check chain limits.
virtual bool checkChainLimits(CTransactionRef tx) = 0;
//! Estimate smart fee.
virtual CFeeRate estimateSmartFee(int num_blocks, bool conservative, FeeCalculation* calc = nullptr) = 0;
//! Fee estimator max target.
virtual unsigned int estimateMaxBlocks() = 0;
//! Pool min fee.
virtual CFeeRate mempoolMinFee() = 0;
};
//! Interface to let node manage chain clients (wallets, or maybe tools for

2
src/interfaces/wallet.cpp
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@ -457,7 +457,7 @@ public:
{
FeeCalculation fee_calc;
CAmount result;
result = GetMinimumFee(*m_wallet, tx_bytes, coin_control, ::mempool, ::feeEstimator, &fee_calc);
result = GetMinimumFee(*m_wallet, tx_bytes, coin_control, &fee_calc);
if (returned_target) *returned_target = fee_calc.returnedTarget;
if (reason) *reason = fee_calc.reason;
return result;

6
src/rpc/mining.cpp
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@ -843,7 +843,8 @@ static UniValue estimatesmartfee(const JSONRPCRequest& request)
RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VSTR});
RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
unsigned int conf_target = ParseConfirmTarget(request.params[0]);
unsigned int max_target = ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
unsigned int conf_target = ParseConfirmTarget(request.params[0], max_target);
bool conservative = true;
if (!request.params[1].isNull()) {
FeeEstimateMode fee_mode;
@ -915,7 +916,8 @@ static UniValue estimaterawfee(const JSONRPCRequest& request)
RPCTypeCheck(request.params, {UniValue::VNUM, UniValue::VNUM}, true);
RPCTypeCheckArgument(request.params[0], UniValue::VNUM);
unsigned int conf_target = ParseConfirmTarget(request.params[0]);
unsigned int max_target = ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
unsigned int conf_target = ParseConfirmTarget(request.params[0], max_target);
double threshold = 0.95;
if (!request.params[1].isNull()) {
threshold = request.params[1].get_real();

5
src/rpc/util.cpp
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@ -4,11 +4,9 @@
#include <key_io.h>
#include <keystore.h>
#include <policy/fees.h>
#include <rpc/util.h>
#include <tinyformat.h>
#include <util/strencodings.h>
#include <validation.h>
InitInterfaces* g_rpc_interfaces = nullptr;
@ -130,10 +128,9 @@ UniValue DescribeAddress(const CTxDestination& dest)
return boost::apply_visitor(DescribeAddressVisitor(), dest);
}
unsigned int ParseConfirmTarget(const UniValue& value)
unsigned int ParseConfirmTarget(const UniValue& value, unsigned int max_target)
{
int target = value.get_int();
unsigned int max_target = ::feeEstimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
if (target < 1 || (unsigned int)target > max_target) {
throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid conf_target, must be between %u - %u", 1, max_target));
}

2
src/rpc/util.h
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@ -33,7 +33,7 @@ CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey
UniValue DescribeAddress(const CTxDestination& dest);
//! Parse a confirm target option and raise an RPC error if it is invalid.
unsigned int ParseConfirmTarget(const UniValue& value);
unsigned int ParseConfirmTarget(const UniValue& value, unsigned int max_target);
RPCErrorCode RPCErrorFromTransactionError(TransactionError terr);
UniValue JSONRPCTransactionError(TransactionError terr, const std::string& err_string = "");

4
src/wallet/feebumper.cpp
View File

@ -144,7 +144,7 @@ Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoin
new_fee = total_fee;
nNewFeeRate = CFeeRate(total_fee, maxNewTxSize);
} else {
new_fee = GetMinimumFee(*wallet, maxNewTxSize, coin_control, mempool, ::feeEstimator, nullptr /* FeeCalculation */);
new_fee = GetMinimumFee(*wallet, maxNewTxSize, coin_control, nullptr /* FeeCalculation */);
nNewFeeRate = CFeeRate(new_fee, maxNewTxSize);
// New fee rate must be at least old rate + minimum incremental relay rate
@ -195,7 +195,7 @@ Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoin
// If the output would become dust, discard it (converting the dust to fee)
poutput->nValue -= nDelta;
if (poutput->nValue <= GetDustThreshold(*poutput, GetDiscardRate(*wallet, ::feeEstimator))) {
if (poutput->nValue <= GetDustThreshold(*poutput, GetDiscardRate(*wallet))) {
wallet->WalletLogPrintf("Bumping fee and discarding dust output\n");
new_fee += poutput->nValue;
mtx.vout.erase(mtx.vout.begin() + nOutput);

17
src/wallet/fees.cpp
View File

@ -6,7 +6,6 @@
#include <wallet/fees.h>
#include <policy/policy.h>
#include <txmempool.h>
#include <util/system.h>
#include <validation.h>
#include <wallet/coincontrol.h>
@ -19,9 +18,9 @@ CAmount GetRequiredFee(const CWallet& wallet, unsigned int nTxBytes)
}
CAmount GetMinimumFee(const CWallet& wallet, unsigned int nTxBytes, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation* feeCalc)
CAmount GetMinimumFee(const CWallet& wallet, unsigned int nTxBytes, const CCoinControl& coin_control, FeeCalculation* feeCalc)
{
CAmount fee_needed = GetMinimumFeeRate(wallet, coin_control, pool, estimator, feeCalc).GetFee(nTxBytes);
CAmount fee_needed = GetMinimumFeeRate(wallet, coin_control, feeCalc).GetFee(nTxBytes);
// Always obey the maximum
if (fee_needed > maxTxFee) {
fee_needed = maxTxFee;
@ -35,7 +34,7 @@ CFeeRate GetRequiredFeeRate(const CWallet& wallet)
return std::max(wallet.m_min_fee, ::minRelayTxFee);
}
CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation* feeCalc)
CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_control, FeeCalculation* feeCalc)
{
/* User control of how to calculate fee uses the following parameter precedence:
1. coin_control.m_feerate
@ -64,7 +63,7 @@ CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_contr
if (coin_control.m_fee_mode == FeeEstimateMode::CONSERVATIVE) conservative_estimate = true;
else if (coin_control.m_fee_mode == FeeEstimateMode::ECONOMICAL) conservative_estimate = false;
feerate_needed = estimator.estimateSmartFee(target, feeCalc, conservative_estimate);
feerate_needed = wallet.chain().estimateSmartFee(target, conservative_estimate, feeCalc);
if (feerate_needed == CFeeRate(0)) {
// if we don't have enough data for estimateSmartFee, then use fallback fee
feerate_needed = wallet.m_fallback_fee;
@ -74,7 +73,7 @@ CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_contr
if (wallet.m_fallback_fee == CFeeRate(0)) return feerate_needed;
}
// Obey mempool min fee when using smart fee estimation
CFeeRate min_mempool_feerate = pool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
CFeeRate min_mempool_feerate = wallet.chain().mempoolMinFee();
if (feerate_needed < min_mempool_feerate) {
feerate_needed = min_mempool_feerate;
if (feeCalc) feeCalc->reason = FeeReason::MEMPOOL_MIN;
@ -90,10 +89,10 @@ CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_contr
return feerate_needed;
}
CFeeRate GetDiscardRate(const CWallet& wallet, const CBlockPolicyEstimator& estimator)
CFeeRate GetDiscardRate(const CWallet& wallet)
{
unsigned int highest_target = estimator.HighestTargetTracked(FeeEstimateHorizon::LONG_HALFLIFE);
CFeeRate discard_rate = estimator.estimateSmartFee(highest_target, nullptr /* FeeCalculation */, false /* conservative */);
unsigned int highest_target = wallet.chain().estimateMaxBlocks();
CFeeRate discard_rate = wallet.chain().estimateSmartFee(highest_target, false /* conservative */);
// Don't let discard_rate be greater than longest possible fee estimate if we get a valid fee estimate
discard_rate = (discard_rate == CFeeRate(0)) ? wallet.m_discard_rate : std::min(discard_rate, wallet.m_discard_rate);
// Discard rate must be at least dustRelayFee

8
src/wallet/fees.h
View File

@ -8,10 +8,8 @@
#include <amount.h>
class CBlockPolicyEstimator;
class CCoinControl;
class CFeeRate;
class CTxMemPool;
class CWallet;
struct FeeCalculation;
@ -25,7 +23,7 @@ CAmount GetRequiredFee(const CWallet& wallet, unsigned int nTxBytes);
* Estimate the minimum fee considering user set parameters
* and the required fee
*/
CAmount GetMinimumFee(const CWallet& wallet, unsigned int nTxBytes, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation* feeCalc);
CAmount GetMinimumFee(const CWallet& wallet, unsigned int nTxBytes, const CCoinControl& coin_control, FeeCalculation* feeCalc);
/**
* Return the minimum required feerate taking into account the
@ -37,11 +35,11 @@ CFeeRate GetRequiredFeeRate(const CWallet& wallet);
* Estimate the minimum fee rate considering user set parameters
* and the required fee
*/
CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation* feeCalc);
CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_control, FeeCalculation* feeCalc);
/**
* Return the maximum feerate for discarding change.
*/
CFeeRate GetDiscardRate(const CWallet& wallet, const CBlockPolicyEstimator& estimator);
CFeeRate GetDiscardRate(const CWallet& wallet);
#endif // BITCOIN_WALLET_FEES_H

8
src/wallet/rpcwallet.cpp
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@ -424,7 +424,7 @@ static UniValue sendtoaddress(const JSONRPCRequest& request)
}
if (!request.params[6].isNull()) {
coin_control.m_confirm_target = ParseConfirmTarget(request.params[6]);
coin_control.m_confirm_target = ParseConfirmTarget(request.params[6], pwallet->chain().estimateMaxBlocks());
}
if (!request.params[7].isNull()) {
@ -884,7 +884,7 @@ static UniValue sendmany(const JSONRPCRequest& request)
}
if (!request.params[6].isNull()) {
coin_control.m_confirm_target = ParseConfirmTarget(request.params[6]);
coin_control.m_confirm_target = ParseConfirmTarget(request.params[6], pwallet->chain().estimateMaxBlocks());
}
if (!request.params[7].isNull()) {
@ -2989,7 +2989,7 @@ void FundTransaction(CWallet* const pwallet, CMutableTransaction& tx, CAmount& f
if (options.exists("feeRate")) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both conf_target and feeRate");
}
coinControl.m_confirm_target = ParseConfirmTarget(options["conf_target"]);
coinControl.m_confirm_target = ParseConfirmTarget(options["conf_target"], pwallet->chain().estimateMaxBlocks());
}
if (options.exists("estimate_mode")) {
if (options.exists("feeRate")) {
@ -3279,7 +3279,7 @@ static UniValue bumpfee(const JSONRPCRequest& request)
if (options.exists("confTarget") && options.exists("totalFee")) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "confTarget and totalFee options should not both be set. Please provide either a confirmation target for fee estimation or an explicit total fee for the transaction.");
} else if (options.exists("confTarget")) { // TODO: alias this to conf_target
coin_control.m_confirm_target = ParseConfirmTarget(options["confTarget"]);
coin_control.m_confirm_target = ParseConfirmTarget(options["confTarget"], pwallet->chain().estimateMaxBlocks());
} else if (options.exists("totalFee")) {
totalFee = options["totalFee"].get_int64();
if (totalFee <= 0) {

12
src/wallet/wallet.cpp
View File

@ -2485,10 +2485,10 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const CoinEligibil
FeeCalculation feeCalc;
CCoinControl temp;
temp.m_confirm_target = 1008;
CFeeRate long_term_feerate = GetMinimumFeeRate(*this, temp, ::mempool, ::feeEstimator, &feeCalc);
CFeeRate long_term_feerate = GetMinimumFeeRate(*this, temp, &feeCalc);
// Calculate cost of change
CAmount cost_of_change = GetDiscardRate(*this, ::feeEstimator).GetFee(coin_selection_params.change_spend_size) + coin_selection_params.effective_fee.GetFee(coin_selection_params.change_output_size);
CAmount cost_of_change = GetDiscardRate(*this).GetFee(coin_selection_params.change_spend_size) + coin_selection_params.effective_fee.GetFee(coin_selection_params.change_output_size);
// Filter by the min conf specs and add to utxo_pool and calculate effective value
for (OutputGroup& group : groups) {
@ -2858,10 +2858,10 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
CTxOut change_prototype_txout(0, scriptChange);
coin_selection_params.change_output_size = GetSerializeSize(change_prototype_txout);
CFeeRate discard_rate = GetDiscardRate(*this, ::feeEstimator);
CFeeRate discard_rate = GetDiscardRate(*this);
// Get the fee rate to use effective values in coin selection
CFeeRate nFeeRateNeeded = GetMinimumFeeRate(*this, coin_control, ::mempool, ::feeEstimator, &feeCalc);
CFeeRate nFeeRateNeeded = GetMinimumFeeRate(*this, coin_control, &feeCalc);
nFeeRet = 0;
bool pick_new_inputs = true;
@ -2994,7 +2994,7 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
return false;
}
nFeeNeeded = GetMinimumFee(*this, nBytes, coin_control, ::mempool, ::feeEstimator, &feeCalc);
nFeeNeeded = GetMinimumFee(*this, nBytes, coin_control, &feeCalc);
if (feeCalc.reason == FeeReason::FALLBACK && !m_allow_fallback_fee) {
// eventually allow a fallback fee
strFailReason = _("Fee estimation failed. Fallbackfee is disabled. Wait a few blocks or enable -fallbackfee.");
@ -3022,7 +3022,7 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
// change output. Only try this once.
if (nChangePosInOut == -1 && nSubtractFeeFromAmount == 0 && pick_new_inputs) {
unsigned int tx_size_with_change = nBytes + coin_selection_params.change_output_size + 2; // Add 2 as a buffer in case increasing # of outputs changes compact size
CAmount fee_needed_with_change = GetMinimumFee(*this, tx_size_with_change, coin_control, ::mempool, ::feeEstimator, nullptr);
CAmount fee_needed_with_change = GetMinimumFee(*this, tx_size_with_change, coin_control, nullptr);
CAmount minimum_value_for_change = GetDustThreshold(change_prototype_txout, discard_rate);
if (nFeeRet >= fee_needed_with_change + minimum_value_for_change) {
pick_new_inputs = false;

2
src/wallet/wallet.h
View File

@ -100,8 +100,6 @@ class CCoinControl;
class COutput;
class CReserveKey;
class CScript;
class CTxMemPool;
class CBlockPolicyEstimator;
class CWalletTx;
struct FeeCalculation;
enum class FeeEstimateMode;