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-rw-r--r--src/chainparams.cpp8
-rw-r--r--src/chainparams.h3
-rw-r--r--src/qt/test/wallettests.cpp2
-rw-r--r--src/wallet/fees.cpp3
-rw-r--r--src/wallet/init.cpp4
-rw-r--r--src/wallet/test/wallet_test_fixture.cpp1
-rw-r--r--src/wallet/wallet.cpp6
-rw-r--r--src/wallet/wallet.h2
-rwxr-xr-xtest/functional/test_runner.py1
-rwxr-xr-xtest/functional/wallet_fallbackfee.py28
10 files changed, 58 insertions, 0 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 6eb223171f..c2b3480f9d 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -175,6 +175,9 @@ public:
// (the tx=... number in the SetBestChain debug.log lines)
3.5 // * estimated number of transactions per second after that timestamp
};
+
+ /* disable fallback fee on mainnet */
+ m_fallback_fee_enabled = false;
}
};
@@ -266,6 +269,8 @@ public:
0.09
};
+ /* enable fallback fee on testnet */
+ m_fallback_fee_enabled = true;
}
};
@@ -343,6 +348,9 @@ public:
base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
bech32_hrp = "bcrt";
+
+ /* enable fallback fee on regtest */
+ m_fallback_fee_enabled = true;
}
};
diff --git a/src/chainparams.h b/src/chainparams.h
index d478da9891..6b1f813afb 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -65,6 +65,8 @@ public:
bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; }
/** Return the BIP70 network string (main, test or regtest) */
std::string NetworkIDString() const { return strNetworkID; }
+ /** Return true if the fallback fee is by default enabled for this network */
+ bool IsFallbackFeeEnabled() const { return m_fallback_fee_enabled; }
/** Return the list of hostnames to look up for DNS seeds */
const std::vector<std::string>& DNSSeeds() const { return vSeeds; }
const std::vector<unsigned char>& Base58Prefix(Base58Type type) const { return base58Prefixes[type]; }
@@ -91,6 +93,7 @@ protected:
bool fMineBlocksOnDemand;
CCheckpointData checkpointData;
ChainTxData chainTxData;
+ bool m_fallback_fee_enabled;
};
/**
diff --git a/src/qt/test/wallettests.cpp b/src/qt/test/wallettests.cpp
index cd49292138..0dc557e3a9 100644
--- a/src/qt/test/wallettests.cpp
+++ b/src/qt/test/wallettests.cpp
@@ -158,6 +158,8 @@ void TestGUI()
test.CreateAndProcessBlock({}, GetScriptForRawPubKey(test.coinbaseKey.GetPubKey()));
}
bitdb.MakeMock();
+ g_wallet_allow_fallback_fee = true;
+
std::unique_ptr<CWalletDBWrapper> dbw(new CWalletDBWrapper(&bitdb, "wallet_test.dat"));
CWallet wallet(std::move(dbw));
bool firstRun;
diff --git a/src/wallet/fees.cpp b/src/wallet/fees.cpp
index 73985dcf25..385fdc963a 100644
--- a/src/wallet/fees.cpp
+++ b/src/wallet/fees.cpp
@@ -53,6 +53,9 @@ CAmount GetMinimumFee(unsigned int nTxBytes, const CCoinControl& coin_control, c
// if we don't have enough data for estimateSmartFee, then use fallbackFee
fee_needed = CWallet::fallbackFee.GetFee(nTxBytes);
if (feeCalc) feeCalc->reason = FeeReason::FALLBACK;
+
+ // directly return if fallback fee is disabled (feerate 0 == disabled)
+ if (CWallet::fallbackFee.GetFee(1000) == 0) return fee_needed;
}
// Obey mempool min fee when using smart fee estimation
CAmount min_mempool_fee = pool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000).GetFee(nTxBytes);
diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp
index 74036f4f0f..9ac48bff77 100644
--- a/src/wallet/init.cpp
+++ b/src/wallet/init.cpp
@@ -5,6 +5,7 @@
#include <wallet/init.h>
+#include <chainparams.h>
#include <net.h>
#include <util.h>
#include <utilmoneystr.h>
@@ -123,6 +124,8 @@ bool WalletParameterInteraction()
_("This is the minimum transaction fee you pay on every transaction."));
CWallet::minTxFee = CFeeRate(n);
}
+
+ g_wallet_allow_fallback_fee = Params().IsFallbackFeeEnabled();
if (gArgs.IsArgSet("-fallbackfee"))
{
CAmount nFeePerK = 0;
@@ -132,6 +135,7 @@ bool WalletParameterInteraction()
InitWarning(AmountHighWarn("-fallbackfee") + " " +
_("This is the transaction fee you may pay when fee estimates are not available."));
CWallet::fallbackFee = CFeeRate(nFeePerK);
+ g_wallet_allow_fallback_fee = nFeePerK != 0; //disable fallback fee in case value was set to 0, enable if non-null value
}
if (gArgs.IsArgSet("-discardfee"))
{
diff --git a/src/wallet/test/wallet_test_fixture.cpp b/src/wallet/test/wallet_test_fixture.cpp
index 7797f85f07..6ec5ca29ad 100644
--- a/src/wallet/test/wallet_test_fixture.cpp
+++ b/src/wallet/test/wallet_test_fixture.cpp
@@ -11,6 +11,7 @@ WalletTestingSetup::WalletTestingSetup(const std::string& chainName):
TestingSetup(chainName)
{
bitdb.MakeMock();
+ g_wallet_allow_fallback_fee = true;
bool fFirstRun;
g_address_type = OUTPUT_TYPE_DEFAULT;
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index b35f8c7f2b..af07be311e 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -43,6 +43,7 @@ bool bSpendZeroConfChange = DEFAULT_SPEND_ZEROCONF_CHANGE;
bool fWalletRbf = DEFAULT_WALLET_RBF;
OutputType g_address_type = OUTPUT_TYPE_NONE;
OutputType g_change_type = OUTPUT_TYPE_NONE;
+bool g_wallet_allow_fallback_fee = false; //<! will be defined via chainparams
const char * DEFAULT_WALLET_DAT = "wallet.dat";
const uint32_t BIP32_HARDENED_KEY_LIMIT = 0x80000000;
@@ -2918,6 +2919,11 @@ bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletT
}
nFeeNeeded = GetMinimumFee(nBytes, coin_control, ::mempool, ::feeEstimator, &feeCalc);
+ if (feeCalc.reason == FeeReason::FALLBACK && !g_wallet_allow_fallback_fee) {
+ // eventually allow a fallback fee
+ strFailReason = _("Fee estimation failed. Fallbackfee is disabled. Wait a few blocks or enable -fallbackfee.");
+ return false;
+ }
// If we made it here and we aren't even able to meet the relay fee on the next pass, give up
// because we must be at the maximum allowed fee.
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index fefe415bb1..8d4b701872 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -39,6 +39,7 @@ extern CFeeRate payTxFee;
extern unsigned int nTxConfirmTarget;
extern bool bSpendZeroConfChange;
extern bool fWalletRbf;
+extern bool g_wallet_allow_fallback_fee;
static const unsigned int DEFAULT_KEYPOOL_SIZE = 1000;
//! -paytxfee default
@@ -65,6 +66,7 @@ static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 6;
static const bool DEFAULT_WALLET_RBF = false;
static const bool DEFAULT_WALLETBROADCAST = true;
static const bool DEFAULT_DISABLE_WALLET = false;
+static const bool DEFAULT_WALLET_ALLOW_FALLBACKFEE = true;
extern const char * DEFAULT_WALLET_DAT;
diff --git a/test/functional/test_runner.py b/test/functional/test_runner.py
index 945f645eac..082191098e 100755
--- a/test/functional/test_runner.py
+++ b/test/functional/test_runner.py
@@ -126,6 +126,7 @@ BASE_SCRIPTS= [
'feature_cltv.py',
'rpc_uptime.py',
'wallet_resendwallettransactions.py',
+ 'wallet_fallbackfee.py',
'feature_minchainwork.py',
'p2p_fingerprint.py',
'feature_uacomment.py',
diff --git a/test/functional/wallet_fallbackfee.py b/test/functional/wallet_fallbackfee.py
new file mode 100755
index 0000000000..e9cd052344
--- /dev/null
+++ b/test/functional/wallet_fallbackfee.py
@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+# Copyright (c) 2017 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test wallet replace-by-fee capabilities in conjunction with the fallbackfee."""
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import *
+
+class WalletRBFTest(BitcoinTestFramework):
+ def set_test_params(self):
+ self.num_nodes = 1
+ self.setup_clean_chain = True
+
+ def run_test(self):
+ self.nodes[0].generate(101)
+
+ # sending a transaction without fee estimations must be possible by default on regtest
+ self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1)
+
+ # test sending a tx with disabled fallback fee (must fail)
+ self.restart_node(0, extra_args=["-fallbackfee=0"])
+ assert_raises_rpc_error(-4, "Fee estimation failed", lambda: self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1))
+ assert_raises_rpc_error(-4, "Fee estimation failed", lambda: self.nodes[0].fundrawtransaction(self.nodes[0].createrawtransaction([], {self.nodes[0].getnewaddress(): 1})))
+ assert_raises_rpc_error(-4, "Fee estimation failed", lambda: self.nodes[0].sendfrom("", self.nodes[0].getnewaddress(), 1))
+ assert_raises_rpc_error(-6, "Fee estimation failed", lambda: self.nodes[0].sendmany("", {self.nodes[0].getnewaddress(): 1}))
+
+if __name__ == '__main__':
+ WalletRBFTest().main()
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-07 09:35:01 +0000