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Make it possible to unconditionally RBF with mempoolreplacement=fee,-optin

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This commit is contained in:
Luke Dashjr 2016-02-13 01:46:40 +00:00 • committed by Gregory Sanders
parent d0cccad9d4
commit 0853a234a4
3 changed files with 16 additions and 1 deletions
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10
src/init.cpp
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@ -1153,8 +1153,16 @@ bool AppInitParameterInteraction()
// Minimal effort at forwards compatibility
std::string strReplacementModeList = gArgs.GetArg("-mempoolreplacement", ""); // default is impossible
std::vector<std::string> vstrReplacementModes;
boost::split(vstrReplacementModes, strReplacementModeList, boost::is_any_of(","));
boost::split(vstrReplacementModes, strReplacementModeList, boost::is_any_of(",+"));
fEnableReplacement = (std::find(vstrReplacementModes.begin(), vstrReplacementModes.end(), "fee") != vstrReplacementModes.end());
if (fEnableReplacement) {
fReplacementHonourOptOut = (std::find(vstrReplacementModes.begin(), vstrReplacementModes.end(), "-optin") == vstrReplacementModes.end());
if (!fReplacementHonourOptOut) {
nLocalServices = ServiceFlags(nLocalServices | NODE_REPLACE_BY_FEE);
}
} else {
fReplacementHonourOptOut = true;
}
}
return true;

5
src/validation.cpp
View file

@ -233,6 +233,7 @@ size_t nCoinCacheUsage = 5000 * 300;
uint64_t nPruneTarget = 0;
int64_t nMaxTipAge = DEFAULT_MAX_TIP_AGE;
bool fEnableReplacement = DEFAULT_ENABLE_REPLACEMENT;
bool fReplacementHonourOptOut = DEFAULT_REPLACEMENT_HONOUR_OPTOUT;
uint256 hashAssumeValid;
arith_uint256 nMinimumChainWork;
@ -623,6 +624,7 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
bool fReplacementOptOut = true;
if (fEnableReplacement)
{
if (fReplacementHonourOptOut) {
for (const CTxIn &_txin : ptxConflicting->vin)
{
if (_txin.nSequence <= MAX_BIP125_RBF_SEQUENCE)
@ -631,6 +633,9 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
break;
}
}
} else {
fReplacementOptOut = false;
}
}
if (fReplacementOptOut) {
return state.Invalid(false, REJECT_DUPLICATE, "txn-mempool-conflict");

2
src/validation.h
View file

@ -122,6 +122,7 @@ static const unsigned int DEFAULT_BANSCORE_THRESHOLD = 100;
static const bool DEFAULT_PERSIST_MEMPOOL = true;
/** Default for -mempoolreplacement */
static const bool DEFAULT_ENABLE_REPLACEMENT = true;
static const bool DEFAULT_REPLACEMENT_HONOUR_OPTOUT = true;
/** Default for using fee filter */
static const bool DEFAULT_FEEFILTER = true;
@ -169,6 +170,7 @@ extern CAmount maxTxFee;
/** If the tip is older than this (in seconds), the node is considered to be in initial block download. */
extern int64_t nMaxTipAge;
extern bool fEnableReplacement;
extern bool fReplacementHonourOptOut;
/** Block hash whose ancestors we will assume to have valid scripts without checking them. */
extern uint256 hashAssumeValid;