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Merge #10455: Simplify feebumper minimum fee code slightly

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88b8f0b Simplify feebumper minimum fee code slightly (Russell Yanofsky)

Tree-SHA512: 4465daef63936860d016a7fd7fd31ce62878d87cb943a90f321b07a40accdc5e7970d99de46b2bc924eb0b422144d6f01649855949395518790ecd05d300ee52
This commit is contained in:
Wladimir J. van der Laan 2017-06-05 16:36:23 +02:00
commit 0747d33498
No known key found for this signature in database
GPG Key ID: 1E4AED62986CD25D
5 changed files with 12 additions and 17 deletions
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12
src/wallet/feebumper.cpp
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@ -66,7 +66,7 @@ bool CFeeBumper::preconditionChecks(const CWallet *pWallet, const CWalletTx& wtx
return true;
}
CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, int newConfirmTarget, bool specifiedConfirmTarget, CAmount totalFee, bool newTxReplaceable)
CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, int newConfirmTarget, bool ignoreGlobalPayTxFee, CAmount totalFee, bool newTxReplaceable)
:
txid(std::move(txidIn)),
nOldFee(0),
@ -165,15 +165,7 @@ CFeeBumper::CFeeBumper(const CWallet *pWallet, const uint256 txidIn, int newConf
nNewFee = totalFee;
nNewFeeRate = CFeeRate(totalFee, maxNewTxSize);
} else {
// if user specified a confirm target then don't consider any global payTxFee
if (specifiedConfirmTarget) {
nNewFee = CWallet::GetMinimumFee(maxNewTxSize, newConfirmTarget, mempool, ::feeEstimator, true);
}
// otherwise use the regular wallet logic to select payTxFee or default confirm target
else {
nNewFee = CWallet::GetMinimumFee(maxNewTxSize, newConfirmTarget, mempool, ::feeEstimator);
}
nNewFee = CWallet::GetMinimumFee(maxNewTxSize, newConfirmTarget, mempool, ::feeEstimator, ignoreGlobalPayTxFee);
nNewFeeRate = CFeeRate(nNewFee, maxNewTxSize);
// New fee rate must be at least old rate + minimum incremental relay rate

2
src/wallet/feebumper.h
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@ -24,7 +24,7 @@ enum class BumpFeeResult
class CFeeBumper
{
public:
CFeeBumper(const CWallet *pWalletIn, const uint256 txidIn, int newConfirmTarget, bool specifiedConfirmTarget, CAmount totalFee, bool newTxReplaceable);
CFeeBumper(const CWallet *pWalletIn, const uint256 txidIn, int newConfirmTarget, bool ignoreGlobalPayTxFee, CAmount totalFee, bool newTxReplaceable);
BumpFeeResult getResult() const { return currentResult; }
const std::vector<std::string>& getErrors() const { return vErrors; }
CAmount getOldFee() const { return nOldFee; }

9
src/wallet/rpcwallet.cpp
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@ -2834,7 +2834,7 @@ UniValue bumpfee(const JSONRPCRequest& request)
hash.SetHex(request.params[0].get_str());
// optional parameters
bool specifiedConfirmTarget = false;
bool ignoreGlobalPayTxFee = false;
int newConfirmTarget = nTxConfirmTarget;
CAmount totalFee = 0;
bool replaceable = true;
@ -2851,7 +2851,10 @@ 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")) {
specifiedConfirmTarget = true;
// If the user has explicitly set a confTarget in this rpc call,
// then override the default logic that uses the global payTxFee
// instead of the confirmation target.
ignoreGlobalPayTxFee = true;
newConfirmTarget = options["confTarget"].get_int();
if (newConfirmTarget <= 0) { // upper-bound will be checked by estimatefee/smartfee
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid confTarget (cannot be <= 0)");
@ -2871,7 +2874,7 @@ UniValue bumpfee(const JSONRPCRequest& request)
LOCK2(cs_main, pwallet->cs_wallet);
EnsureWalletIsUnlocked(pwallet);
CFeeBumper feeBump(pwallet, hash, newConfirmTarget, specifiedConfirmTarget, totalFee, replaceable);
CFeeBumper feeBump(pwallet, hash, newConfirmTarget, ignoreGlobalPayTxFee, totalFee, replaceable);
BumpFeeResult res = feeBump.getResult();
if (res != BumpFeeResult::OK)
{

4
src/wallet/wallet.cpp
View File

@ -2890,12 +2890,12 @@ CAmount CWallet::GetRequiredFee(unsigned int nTxBytes)
return std::max(minTxFee.GetFee(nTxBytes), ::minRelayTxFee.GetFee(nTxBytes));
}
CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, bool ignoreUserSetFee)
CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, bool ignoreGlobalPayTxFee)
{
// payTxFee is the user-set global for desired feerate
CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes);
// User didn't set: use -txconfirmtarget to estimate...
if (nFeeNeeded == 0 || ignoreUserSetFee) {
if (nFeeNeeded == 0 || ignoreGlobalPayTxFee) {
int estimateFoundTarget = nConfirmTarget;
nFeeNeeded = estimator.estimateSmartFee(nConfirmTarget, &estimateFoundTarget, pool).GetFee(nTxBytes);
// ... unless we don't have enough mempool data for estimatefee, then use fallbackFee

2
src/wallet/wallet.h
View File

@ -959,7 +959,7 @@ public:
* Estimate the minimum fee considering user set parameters
* and the required fee
*/
static CAmount GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, bool ignoreUserSetFee = false);
static CAmount GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, bool ignoreGlobalPayTxFee = false);
/**
* Return the minimum required fee taking into account the
* floating relay fee and user set minimum transaction fee