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-rw-r--r--src/init.cpp1
-rw-r--r--src/kernel/mempool_options.h3
-rw-r--r--src/mempool_args.cpp2
-rw-r--r--src/rpc/mempool.cpp2
-rw-r--r--src/txmempool.cpp1
-rw-r--r--src/txmempool.h1
-rw-r--r--src/validation.cpp5
7 files changed, 14 insertions, 1 deletions
diff --git a/src/init.cpp b/src/init.cpp
index d844e9b169..eff37e1a83 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -558,6 +558,7 @@ void SetupServerArgs(ArgsManager& argsman)
argsman.AddArg("-bytespersigop", strprintf("Equivalent bytes per sigop in transactions for relay and mining (default: %u)", DEFAULT_BYTES_PER_SIGOP), ArgsManager::ALLOW_ANY, OptionsCategory::NODE_RELAY);
argsman.AddArg("-datacarrier", strprintf("Relay and mine data carrier transactions (default: %u)", DEFAULT_ACCEPT_DATACARRIER), ArgsManager::ALLOW_ANY, OptionsCategory::NODE_RELAY);
argsman.AddArg("-datacarriersize", strprintf("Maximum size of data in data carrier transactions we relay and mine (default: %u)", MAX_OP_RETURN_RELAY), ArgsManager::ALLOW_ANY, OptionsCategory::NODE_RELAY);
+ argsman.AddArg("-mempoolfullrbf", strprintf("Accept transaction replace-by-fee without requiring replaceability signaling (default: %u)", DEFAULT_MEMPOOL_FULL_RBF), ArgsManager::ALLOW_ANY, OptionsCategory::NODE_RELAY);
argsman.AddArg("-minrelaytxfee=<amt>", strprintf("Fees (in %s/kvB) smaller than this are considered zero fee for relaying, mining and transaction creation (default: %s)",
CURRENCY_UNIT, FormatMoney(DEFAULT_MIN_RELAY_TX_FEE)), ArgsManager::ALLOW_ANY, OptionsCategory::NODE_RELAY);
argsman.AddArg("-whitelistforcerelay", strprintf("Add 'forcerelay' permission to whitelisted inbound peers with default permissions. This will relay transactions even if the transactions were already in the mempool. (default: %d)", DEFAULT_WHITELISTFORCERELAY), ArgsManager::ALLOW_ANY, OptionsCategory::NODE_RELAY);
diff --git a/src/kernel/mempool_options.h b/src/kernel/mempool_options.h
index a14abb6628..07953b443b 100644
--- a/src/kernel/mempool_options.h
+++ b/src/kernel/mempool_options.h
@@ -15,6 +15,8 @@ class CBlockPolicyEstimator;
static constexpr unsigned int DEFAULT_MAX_MEMPOOL_SIZE_MB{300};
/** Default for -mempoolexpiry, expiration time for mempool transactions in hours */
static constexpr unsigned int DEFAULT_MEMPOOL_EXPIRY_HOURS{336};
+/** Default for -mempoolfullrbf, if the transaction replaceability signaling is ignored */
+static constexpr bool DEFAULT_MEMPOOL_FULL_RBF{false};
namespace kernel {
/**
@@ -31,6 +33,7 @@ struct MemPoolOptions {
int check_ratio{0};
int64_t max_size_bytes{DEFAULT_MAX_MEMPOOL_SIZE_MB * 1'000'000};
std::chrono::seconds expiry{std::chrono::hours{DEFAULT_MEMPOOL_EXPIRY_HOURS}};
+ bool full_rbf{DEFAULT_MEMPOOL_FULL_RBF};
MemPoolLimits limits{};
};
} // namespace kernel
diff --git a/src/mempool_args.cpp b/src/mempool_args.cpp
index e26cbe0275..77caa127e9 100644
--- a/src/mempool_args.cpp
+++ b/src/mempool_args.cpp
@@ -33,5 +33,7 @@ void ApplyArgsManOptions(const ArgsManager& argsman, MemPoolOptions& mempool_opt
if (auto hours = argsman.GetIntArg("-mempoolexpiry")) mempool_opts.expiry = std::chrono::hours{*hours};
+ mempool_opts.full_rbf = argsman.GetBoolArg("-mempoolfullrbf", mempool_opts.full_rbf);
+
ApplyArgsManOptions(argsman, mempool_opts.limits);
}
diff --git a/src/rpc/mempool.cpp b/src/rpc/mempool.cpp
index fbb40ab861..84d43e7818 100644
--- a/src/rpc/mempool.cpp
+++ b/src/rpc/mempool.cpp
@@ -663,6 +663,7 @@ UniValue MempoolInfoToJSON(const CTxMemPool& pool)
ret.pushKV("minrelaytxfee", ValueFromAmount(::minRelayTxFee.GetFeePerK()));
ret.pushKV("incrementalrelayfee", ValueFromAmount(::incrementalRelayFee.GetFeePerK()));
ret.pushKV("unbroadcastcount", uint64_t{pool.GetUnbroadcastTxs().size()});
+ ret.pushKV("fullrbf", pool.m_full_rbf);
return ret;
}
@@ -684,6 +685,7 @@ static RPCHelpMan getmempoolinfo()
{RPCResult::Type::STR_AMOUNT, "minrelaytxfee", "Current minimum relay fee for transactions"},
{RPCResult::Type::NUM, "incrementalrelayfee", "minimum fee rate increment for mempool limiting or BIP 125 replacement in " + CURRENCY_UNIT + "/kvB"},
{RPCResult::Type::NUM, "unbroadcastcount", "Current number of transactions that haven't passed initial broadcast yet"},
+ {RPCResult::Type::BOOL, "fullrbf", "True if the mempool accepts RBF without replaceability signaling inspection"},
}},
RPCExamples{
HelpExampleCli("getmempoolinfo", "")
diff --git a/src/txmempool.cpp b/src/txmempool.cpp
index 69ae9fed99..aeaa10034e 100644
--- a/src/txmempool.cpp
+++ b/src/txmempool.cpp
@@ -458,6 +458,7 @@ CTxMemPool::CTxMemPool(const Options& opts)
minerPolicyEstimator{opts.estimator},
m_max_size_bytes{opts.max_size_bytes},
m_expiry{opts.expiry},
+ m_full_rbf{opts.full_rbf},
m_limits{opts.limits}
{
_clear(); //lock free clear
diff --git a/src/txmempool.h b/src/txmempool.h
index f44e78fde5..6e37f59f2e 100644
--- a/src/txmempool.h
+++ b/src/txmempool.h
@@ -568,6 +568,7 @@ public:
const int64_t m_max_size_bytes;
const std::chrono::seconds m_expiry;
+ const bool m_full_rbf;
using Limits = kernel::MemPoolLimits;
diff --git a/src/validation.cpp b/src/validation.cpp
index 6b21d33871..4c694a2c21 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -740,7 +740,10 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Workspace& ws)
// Applications relying on first-seen mempool behavior should
// check all unconfirmed ancestors; otherwise an opt-in ancestor
// might be replaced, causing removal of this descendant.
- if (!SignalsOptInRBF(*ptxConflicting)) {
+ //
+ // If replaceability signaling is ignored due to node setting,
+ // replacement is always allowed.
+ if (!m_pool.m_full_rbf && !SignalsOptInRBF(*ptxConflicting)) {
return state.Invalid(TxValidationResult::TX_MEMPOOL_POLICY, "txn-mempool-conflict");
}