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-rwxr-xr-xqa/pull-tester/run-bitcoind-for-test.sh.in2
-rw-r--r--src/init.cpp1
-rw-r--r--src/main.cpp7
3 files changed, 8 insertions, 2 deletions
diff --git a/qa/pull-tester/run-bitcoind-for-test.sh.in b/qa/pull-tester/run-bitcoind-for-test.sh.in
index 42d8ad52e8..14ae08e4e5 100755
--- a/qa/pull-tester/run-bitcoind-for-test.sh.in
+++ b/qa/pull-tester/run-bitcoind-for-test.sh.in
@@ -10,7 +10,7 @@ touch "$DATADIR/regtest/debug.log"
tail -q -n 1 -F "$DATADIR/regtest/debug.log" | grep -m 1 -q "Done loading" &
WAITER=$!
PORT=`expr 10000 + $$ % 55536`
-"@abs_top_builddir@/src/bitcoind@EXEEXT@" -connect=0.0.0.0 -datadir="$DATADIR" -rpcuser=user -rpcpassword=pass -listen -keypool=3 -debug -debug=net -logtimestamps -checkmempool=0 -port=$PORT -whitelist=127.0.0.1 -regtest -rpcport=`expr $PORT + 1` &
+"@abs_top_builddir@/src/bitcoind@EXEEXT@" -connect=0.0.0.0 -datadir="$DATADIR" -rpcuser=user -rpcpassword=pass -listen -keypool=3 -debug -debug=net -logtimestamps -checkmempool=0 -relaypriority=0 -port=$PORT -whitelist=127.0.0.1 -regtest -rpcport=`expr $PORT + 1` &
BITCOIND=$!
#Install a watchdog.
diff --git a/src/init.cpp b/src/init.cpp
index a09caeea40..006f0a2a3a 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -324,6 +324,7 @@ std::string HelpMessage(HelpMessageMode mode)
if (GetBoolArg("-help-debug", false))
{
strUsage += " -limitfreerelay=<n> " + strprintf(_("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default:%u)"), 15) + "\n";
+ strUsage += " -relaypriority " + strprintf(_("Require high priority for relaying free or low-fee transactions (default:%u)"), 1) + "\n";
strUsage += " -maxsigcachesize=<n> " + strprintf(_("Limit size of signature cache to <n> entries (default: %u)"), 50000) + "\n";
}
strUsage += " -minrelaytxfee=<amt> " + strprintf(_("Fees (in BTC/Kb) smaller than this are considered zero fee for relaying (default: %s)"), FormatMoney(::minRelayTxFee.GetFeePerK())) + "\n";
diff --git a/src/main.cpp b/src/main.cpp
index 2410230ef4..011189544c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1029,6 +1029,11 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
hash.ToString(), nFees, txMinFee),
REJECT_INSUFFICIENTFEE, "insufficient fee");
+ // Require that free transactions have sufficient priority to be mined in the next block.
+ if (GetBoolArg("-relaypriority", true) && nFees < ::minRelayTxFee.GetFee(nSize) && !AllowFree(view.GetPriority(tx, chainActive.Height() + 1))) {
+ return state.DoS(0, false, REJECT_INSUFFICIENTFEE, "insufficient priority");
+ }
+
// Continuously rate-limit free (really, very-low-fee) transactions
// This mitigates 'penny-flooding' -- sending thousands of free transactions just to
// be annoying or make others' transactions take longer to confirm.
@@ -1048,7 +1053,7 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
// At default rate it would take over a month to fill 1GB
if (dFreeCount >= GetArg("-limitfreerelay", 15)*10*1000)
return state.DoS(0, error("AcceptToMemoryPool : free transaction rejected by rate limiter"),
- REJECT_INSUFFICIENTFEE, "insufficient priority");
+ REJECT_INSUFFICIENTFEE, "rate limited free transaction");
LogPrint("mempool", "Rate limit dFreeCount: %g => %g\n", dFreeCount, dFreeCount+nSize);
dFreeCount += nSize;
}