Remove remaining wallet accesses to node globals

ryanofsky · ryanofsky · commit d358466de15e · 2019-03-06T16:47:57.000-05:00
diff --git a/src/interfaces/chain.cpp b/src/interfaces/chain.cpp
@@ -18,6 +18,7 @@
 #include <protocol.h>
 #include <rpc/protocol.h>
 #include <rpc/server.h>
+#include <shutdown.h>
 #include <sync.h>
 #include <threadsafety.h>
 #include <timedata.h>
@@ -340,15 +341,23 @@ class ChainImpl : public Chain
     {
         return ::mempool.GetMinFee(gArgs.GetArg("-maxmempool", DEFAULT_MAX_MEMPOOL_SIZE) * 1000000);
     }
+    CFeeRate relayMinFee() override { return ::minRelayTxFee; }
+    CFeeRate relayIncrementalFee() override { return ::incrementalRelayFee; }
+    CFeeRate relayDustFee() override { return ::dustRelayFee; }
     CAmount maxTxFee() override { return ::maxTxFee; }
     bool getPruneMode() override { return ::fPruneMode; }
     bool p2pEnabled() override { return g_connman != nullptr; }
     bool isInitialBlockDownload() override { return IsInitialBlockDownload(); }
+    bool shutdownRequested() override { return ShutdownRequested(); }
     int64_t getAdjustedTime() override { return GetAdjustedTime(); }
     void initMessage(const std::string& message) override { ::uiInterface.InitMessage(message); }
     void initWarning(const std::string& message) override { InitWarning(message); }
     void initError(const std::string& message) override { InitError(message); }
     void loadWallet(std::unique_ptr<Wallet> wallet) override { ::uiInterface.LoadWallet(wallet); }
+    void showProgress(const std::string& title, int progress, bool resume_possible) override
+    {
+        ::uiInterface.ShowProgress(title, progress, resume_possible);
+    }
     std::unique_ptr<Handler> handleNotifications(Notifications& notifications) override
     {
         return MakeUnique<NotificationsHandlerImpl>(*this, notifications);
diff --git a/src/interfaces/chain.h b/src/interfaces/chain.h
@@ -202,6 +202,15 @@ class Chain
     //! Mempool minimum fee.
     virtual CFeeRate mempoolMinFee() = 0;
 
+    //! Relay current minimum fee (from -minrelaytxfee and -incrementalrelayfee settings).
+    virtual CFeeRate relayMinFee() = 0;
+
+    //! Relay incremental fee setting (-incrementalrelayfee), reflecting cost of relay.
+    virtual CFeeRate relayIncrementalFee() = 0;
+
+    //! Relay dust fee setting (-dustrelayfee), reflecting lowest rate it's economical to spend.
+    virtual CFeeRate relayDustFee() = 0;
+
     //! Node max tx fee setting (-maxtxfee).
     //! This could be replaced by a per-wallet max fee, as proposed at
     //! https://github.com/bitcoin/bitcoin/issues/15355
@@ -214,9 +223,12 @@ class Chain
     //! Check if p2p enabled.
     virtual bool p2pEnabled() = 0;
 
-    // Check if in IBD.
+    //! Check if in IBD.
     virtual bool isInitialBlockDownload() = 0;
 
+    //! Check if shutdown requested.
+    virtual bool shutdownRequested() = 0;
+
     //! Get adjusted time.
     virtual int64_t getAdjustedTime() = 0;
 
@@ -232,6 +244,9 @@ class Chain
     //! Send wallet load notification to the GUI.
     virtual void loadWallet(std::unique_ptr<Wallet> wallet) = 0;
 
+    //! Send progress indicator.
+    virtual void showProgress(const std::string& title, int progress, bool resume_possible) = 0;
+
     //! Chain notifications.
     class Notifications
     {
diff --git a/src/interfaces/wallet.cpp b/src/interfaces/wallet.cpp
@@ -47,8 +47,6 @@ class PendingWalletTxImpl : public PendingWalletTx
 
     const CTransaction& get() override { return *m_tx; }
 
-    int64_t getVirtualSize() override { return GetVirtualTransactionSize(*m_tx); }
-
     bool commit(WalletValueMap value_map,
         WalletOrderForm order_form,
         std::string& reject_reason) override
@@ -99,12 +97,8 @@ WalletTx MakeWalletTx(interfaces::Chain::Lock& locked_chain, CWallet& wallet, co
 //! Construct wallet tx status struct.
 WalletTxStatus MakeWalletTxStatus(interfaces::Chain::Lock& locked_chain, const CWalletTx& wtx)
 {
-    LockAnnotation lock(::cs_main); // Temporary, for mapBlockIndex below. Removed in upcoming commit.
-
     WalletTxStatus result;
-    auto mi = ::mapBlockIndex.find(wtx.hashBlock);
-    CBlockIndex* block = mi != ::mapBlockIndex.end() ? mi->second : nullptr;
-    result.block_height = (block ? block->nHeight : std::numeric_limits<int>::max());
+    result.block_height = locked_chain.getBlockHeight(wtx.hashBlock).get_value_or(std::numeric_limits<int>::max());
     result.blocks_to_maturity = wtx.GetBlocksToMaturity(locked_chain);
     result.depth_in_main_chain = wtx.GetDepthInMainChain(locked_chain);
     result.time_received = wtx.nTimeReceived;
diff --git a/src/interfaces/wallet.h b/src/interfaces/wallet.h
@@ -292,9 +292,6 @@ class PendingWalletTx
     //! Get transaction data.
     virtual const CTransaction& get() = 0;
 
-    //! Get virtual transaction size.
-    virtual int64_t getVirtualSize() = 0;
-
     //! Send pending transaction and commit to wallet.
     virtual bool commit(WalletValueMap value_map,
         WalletOrderForm order_form,
diff --git a/src/qt/walletmodeltransaction.cpp b/src/qt/walletmodeltransaction.cpp
@@ -29,7 +29,7 @@ std::unique_ptr<interfaces::PendingWalletTx>& WalletModelTransaction::getWtx()
 
 unsigned int WalletModelTransaction::getTransactionSize()
 {
-    return wtx ? wtx->getVirtualSize() : 0;
+    return wtx ? GetVirtualTransactionSize(wtx->get()) : 0;
 }
 
 CAmount WalletModelTransaction::getTransactionFee() const
diff --git a/src/wallet/feebumper.cpp b/src/wallet/feebumper.cpp
@@ -123,16 +123,17 @@ Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoin
     // The wallet uses a conservative WALLET_INCREMENTAL_RELAY_FEE value to
     // future proof against changes to network wide policy for incremental relay
     // fee that our node may not be aware of.
+    CFeeRate nodeIncrementalRelayFee = wallet->chain().relayIncrementalFee();
     CFeeRate walletIncrementalRelayFee = CFeeRate(WALLET_INCREMENTAL_RELAY_FEE);
-    if (::incrementalRelayFee > walletIncrementalRelayFee) {
-        walletIncrementalRelayFee = ::incrementalRelayFee;
+    if (nodeIncrementalRelayFee > walletIncrementalRelayFee) {
+        walletIncrementalRelayFee = nodeIncrementalRelayFee;
     }
 
     if (total_fee > 0) {
-        CAmount minTotalFee = nOldFeeRate.GetFee(maxNewTxSize) + ::incrementalRelayFee.GetFee(maxNewTxSize);
+        CAmount minTotalFee = nOldFeeRate.GetFee(maxNewTxSize) + nodeIncrementalRelayFee.GetFee(maxNewTxSize);
         if (total_fee < minTotalFee) {
             errors.push_back(strprintf("Insufficient totalFee, must be at least %s (oldFee %s + incrementalFee %s)",
-                                                                FormatMoney(minTotalFee), FormatMoney(nOldFeeRate.GetFee(maxNewTxSize)), FormatMoney(::incrementalRelayFee.GetFee(maxNewTxSize))));
+                                                                FormatMoney(minTotalFee), FormatMoney(nOldFeeRate.GetFee(maxNewTxSize)), FormatMoney(nodeIncrementalRelayFee.GetFee(maxNewTxSize))));
             return Result::INVALID_PARAMETER;
         }
         CAmount requiredFee = GetRequiredFee(*wallet, maxNewTxSize);
@@ -159,9 +160,10 @@ Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoin
     }
 
     // Check that in all cases the new fee doesn't violate maxTxFee
-     if (new_fee > maxTxFee) {
+     const CAmount max_tx_fee = wallet->chain().maxTxFee();
+     if (new_fee > max_tx_fee) {
          errors.push_back(strprintf("Specified or calculated fee %s is too high (cannot be higher than maxTxFee %s)",
-                               FormatMoney(new_fee), FormatMoney(maxTxFee)));
+                               FormatMoney(new_fee), FormatMoney(max_tx_fee)));
          return Result::WALLET_ERROR;
      }
 
diff --git a/src/wallet/fees.cpp b/src/wallet/fees.cpp
@@ -22,16 +22,17 @@ CAmount GetMinimumFee(const CWallet& wallet, unsigned int nTxBytes, const CCoinC
 {
     CAmount fee_needed = GetMinimumFeeRate(wallet, coin_control, feeCalc).GetFee(nTxBytes);
     // Always obey the maximum
-    if (fee_needed > maxTxFee) {
-        fee_needed = maxTxFee;
+    const CAmount max_tx_fee = wallet.chain().maxTxFee();
+    if (fee_needed > max_tx_fee) {
+        fee_needed = max_tx_fee;
         if (feeCalc) feeCalc->reason = FeeReason::MAXTXFEE;
     }
     return fee_needed;
 }
 
 CFeeRate GetRequiredFeeRate(const CWallet& wallet)
 {
-    return std::max(wallet.m_min_fee, ::minRelayTxFee);
+    return std::max(wallet.m_min_fee, wallet.chain().relayMinFee());
 }
 
 CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_control, FeeCalculation* feeCalc)
@@ -96,6 +97,6 @@ CFeeRate GetDiscardRate(const CWallet& wallet)
     // Don't let discard_rate be greater than longest possible fee estimate if we get a valid fee estimate
     discard_rate = (discard_rate == CFeeRate(0)) ? wallet.m_discard_rate : std::min(discard_rate, wallet.m_discard_rate);
     // Discard rate must be at least dustRelayFee
-    discard_rate = std::max(discard_rate, ::dustRelayFee);
+    discard_rate = std::max(discard_rate, wallet.chain().relayDustFee());
     return discard_rate;
 }
diff --git a/src/wallet/init.cpp b/src/wallet/init.cpp
@@ -153,7 +153,7 @@ bool VerifyWallets(interfaces::Chain& chain, const std::vector<std::string>& wal
 
     LogPrintf("Using wallet directory %s\n", GetWalletDir().string());
 
-    uiInterface.InitMessage(_("Verifying wallet(s)..."));
+    chain.initMessage(_("Verifying wallet(s)..."));
 
     // Parameter interaction code should have thrown an error if -salvagewallet
     // was enabled with more than wallet file, so the wallet_files size check
diff --git a/src/wallet/rpcdump.cpp b/src/wallet/rpcdump.cpp
@@ -595,11 +595,11 @@ UniValue importwallet(const JSONRPCRequest& request)
 
         // Use uiInterface.ShowProgress instead of pwallet.ShowProgress because pwallet.ShowProgress has a cancel button tied to AbortRescan which
         // we don't want for this progress bar showing the import progress. uiInterface.ShowProgress does not have a cancel button.
-        uiInterface.ShowProgress(strprintf("%s " + _("Importing..."), pwallet->GetDisplayName()), 0, false); // show progress dialog in GUI
+        pwallet->chain().showProgress(strprintf("%s " + _("Importing..."), pwallet->GetDisplayName()), 0, false); // show progress dialog in GUI
         std::vector<std::tuple<CKey, int64_t, bool, std::string>> keys;
         std::vector<std::pair<CScript, int64_t>> scripts;
         while (file.good()) {
-            uiInterface.ShowProgress("", std::max(1, std::min(50, (int)(((double)file.tellg() / (double)nFilesize) * 100))), false);
+            pwallet->chain().showProgress("", std::max(1, std::min(50, (int)(((double)file.tellg() / (double)nFilesize) * 100))), false);
             std::string line;
             std::getline(file, line);
             if (line.empty() || line[0] == '#')
@@ -637,13 +637,13 @@ UniValue importwallet(const JSONRPCRequest& request)
         file.close();
         // We now know whether we are importing private keys, so we can error if private keys are disabled
         if (keys.size() > 0 && pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS)) {
-            uiInterface.ShowProgress("", 100, false); // hide progress dialog in GUI
+            pwallet->chain().showProgress("", 100, false); // hide progress dialog in GUI
             throw JSONRPCError(RPC_WALLET_ERROR, "Importing wallets is disabled when private keys are disabled");
         }
         double total = (double)(keys.size() + scripts.size());
         double progress = 0;
         for (const auto& key_tuple : keys) {
-            uiInterface.ShowProgress("", std::max(50, std::min(75, (int)((progress / total) * 100) + 50)), false);
+            pwallet->chain().showProgress("", std::max(50, std::min(75, (int)((progress / total) * 100) + 50)), false);
             const CKey& key = std::get<0>(key_tuple);
             int64_t time = std::get<1>(key_tuple);
             bool has_label = std::get<2>(key_tuple);
@@ -668,7 +668,7 @@ UniValue importwallet(const JSONRPCRequest& request)
             progress++;
         }
         for (const auto& script_pair : scripts) {
-            uiInterface.ShowProgress("", std::max(50, std::min(75, (int)((progress / total) * 100) + 50)), false);
+            pwallet->chain().showProgress("", std::max(50, std::min(75, (int)((progress / total) * 100) + 50)), false);
             const CScript& script = script_pair.first;
             int64_t time = script_pair.second;
             CScriptID id(script);
@@ -687,10 +687,10 @@ UniValue importwallet(const JSONRPCRequest& request)
             }
             progress++;
         }
-        uiInterface.ShowProgress("", 100, false); // hide progress dialog in GUI
+        pwallet->chain().showProgress("", 100, false); // hide progress dialog in GUI
         pwallet->UpdateTimeFirstKey(nTimeBegin);
     }
-    uiInterface.ShowProgress("", 100, false); // hide progress dialog in GUI
+    pwallet->chain().showProgress("", 100, false); // hide progress dialog in GUI
     RescanWallet(*pwallet, reserver, nTimeBegin, false /* update */);
     pwallet->MarkDirty();
 
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
@@ -2367,8 +2367,8 @@ static UniValue settxfee(const JSONRPCRequest& request)
     CFeeRate tx_fee_rate(nAmount, 1000);
     if (tx_fee_rate == 0) {
         // automatic selection
-    } else if (tx_fee_rate < ::minRelayTxFee) {
-        throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than min relay tx fee (%s)", ::minRelayTxFee.ToString()));
+    } else if (tx_fee_rate < pwallet->chain().relayMinFee()) {
+        throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than min relay tx fee (%s)", pwallet->chain().relayMinFee().ToString()));
     } else if (tx_fee_rate < pwallet->m_min_fee) {
         throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("txfee cannot be less than wallet min fee (%s)", pwallet->m_min_fee.ToString()));
     }
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
@@ -1791,7 +1791,7 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
             progress_end = chain().guessVerificationProgress(stop_block.IsNull() ? tip_hash : stop_block);
         }
         double progress_current = progress_begin;
-        while (block_height && !fAbortRescan && !ShutdownRequested()) {
+        while (block_height && !fAbortRescan && !chain().shutdownRequested()) {
             if (*block_height % 100 == 0 && progress_end - progress_begin > 0.0) {
                 ShowProgress(strprintf("%s " + _("Rescanning..."), GetDisplayName()), std::max(1, std::min(99, (int)((progress_current - progress_begin) / (progress_end - progress_begin) * 100))));
             }
@@ -1853,7 +1853,7 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
         if (block_height && fAbortRescan) {
             WalletLogPrintf("Rescan aborted at block %d. Progress=%f\n", *block_height, progress_current);
             result.status = ScanResult::USER_ABORT;
-        } else if (block_height && ShutdownRequested()) {
+        } else if (block_height && chain().shutdownRequested()) {
             WalletLogPrintf("Rescan interrupted by shutdown request at block %d. Progress=%f\n", *block_height, progress_current);
             result.status = ScanResult::USER_ABORT;
         }
@@ -2310,7 +2310,6 @@ CAmount CWallet::GetAvailableBalance(const CCoinControl* coinControl) const
 
 void CWallet::AvailableCoins(interfaces::Chain::Lock& locked_chain, std::vector<COutput> &vCoins, bool fOnlySafe, const CCoinControl *coinControl, const CAmount &nMinimumAmount, const CAmount &nMaximumAmount, const CAmount &nMinimumSumAmount, const uint64_t nMaximumCount, const int nMinDepth, const int nMaxDepth) const
 {
-    AssertLockHeld(cs_main);
     AssertLockHeld(cs_wallet);
 
     vCoins.clear();
@@ -2420,7 +2419,6 @@ void CWallet::AvailableCoins(interfaces::Chain::Lock& locked_chain, std::vector<
 
 std::map<CTxDestination, std::vector<COutput>> CWallet::ListCoins(interfaces::Chain::Lock& locked_chain) const
 {
-    AssertLockHeld(cs_main);
     AssertLockHeld(cs_wallet);
 
     std::map<CTxDestination, std::vector<COutput>> result;
@@ -2692,13 +2690,13 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, int& nC
     return true;
 }
 
-static bool IsCurrentForAntiFeeSniping(interfaces::Chain::Lock& locked_chain)
+static bool IsCurrentForAntiFeeSniping(interfaces::Chain& chain, interfaces::Chain::Lock& locked_chain)
 {
-    if (IsInitialBlockDownload()) {
+    if (chain.isInitialBlockDownload()) {
         return false;
     }
     constexpr int64_t MAX_ANTI_FEE_SNIPING_TIP_AGE = 8 * 60 * 60; // in seconds
-    if (chainActive.Tip()->GetBlockTime() < (GetTime() - MAX_ANTI_FEE_SNIPING_TIP_AGE)) {
+    if (locked_chain.getBlockTime(*locked_chain.getHeight()) < (GetTime() - MAX_ANTI_FEE_SNIPING_TIP_AGE)) {
         return false;
     }
     return true;
@@ -2708,7 +2706,7 @@ static bool IsCurrentForAntiFeeSniping(interfaces::Chain::Lock& locked_chain)
  * Return a height-based locktime for new transactions (uses the height of the
  * current chain tip unless we are not synced with the current chain
  */
-static uint32_t GetLocktimeForNewTransaction(interfaces::Chain::Lock& locked_chain)
+static uint32_t GetLocktimeForNewTransaction(interfaces::Chain& chain, interfaces::Chain::Lock& locked_chain)
 {
     uint32_t const height = locked_chain.getHeight().get_value_or(-1);
     uint32_t locktime;
@@ -2732,7 +2730,7 @@ static uint32_t GetLocktimeForNewTransaction(interfaces::Chain::Lock& locked_cha
     // enough, that fee sniping isn't a problem yet, but by implementing a fix
     // now we ensure code won't be written that makes assumptions about
     // nLockTime that preclude a fix later.
-    if (IsCurrentForAntiFeeSniping(locked_chain)) {
+    if (IsCurrentForAntiFeeSniping(chain, locked_chain)) {
         locktime = height;
 
         // Secondly occasionally randomly pick a nLockTime even further back, so
@@ -2806,7 +2804,7 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
 
     CMutableTransaction txNew;
 
-    txNew.nLockTime = GetLocktimeForNewTransaction(locked_chain);
+    txNew.nLockTime = GetLocktimeForNewTransaction(chain(), locked_chain);
 
     FeeCalculation feeCalc;
     CAmount nFeeNeeded;
@@ -2902,7 +2900,7 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
                     // Include the fee cost for outputs. Note this is only used for BnB right now
                     coin_selection_params.tx_noinputs_size += ::GetSerializeSize(txout, PROTOCOL_VERSION);
 
-                    if (IsDust(txout, ::dustRelayFee))
+                    if (IsDust(txout, chain().relayDustFee()))
                     {
                         if (recipient.fSubtractFeeFromAmount && nFeeRet > 0)
                         {
@@ -3003,7 +3001,7 @@ bool CWallet::CreateTransaction(interfaces::Chain::Lock& locked_chain, const std
 
                 // 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.
-                if (nFeeNeeded < ::minRelayTxFee.GetFee(nBytes))
+                if (nFeeNeeded < chain().relayMinFee().GetFee(nBytes))
                 {
                     strFailReason = _("Transaction too large for fee policy");
                     return false;
@@ -4281,9 +4279,9 @@ std::shared_ptr<CWallet> CWallet::CreateWalletFromFile(interfaces::Chain& chain,
                               _("This is the transaction fee you will pay if you send a transaction."));
         }
         walletInstance->m_pay_tx_fee = CFeeRate(nFeePerK, 1000);
-        if (walletInstance->m_pay_tx_fee < ::minRelayTxFee) {
+        if (walletInstance->m_pay_tx_fee < chain.relayMinFee()) {
             chain.initError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
-                gArgs.GetArg("-paytxfee", ""), ::minRelayTxFee.ToString()));
+                gArgs.GetArg("-paytxfee", ""), chain.relayMinFee().ToString()));
             return nullptr;
         }
     }
@@ -4446,8 +4444,6 @@ int CMerkleTx::GetDepthInMainChain(interfaces::Chain::Lock& locked_chain) const
     if (hashUnset())
         return 0;
 
-    AssertLockHeld(cs_main);
-
     return locked_chain.getBlockDepth(hashBlock) * (nIndex == -1 ? -1 : 1);
 }
 
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ std::unique_ptr<interfaces::PendingWalletTx>& WalletModelTransaction::getWtx()`
`29`	`29`
`30`	`30`	`unsigned int WalletModelTransaction::getTransactionSize()`
`31`	`31`	`{`
`32`		`- return wtx ? wtx->getVirtualSize() : 0;`
	`32`	`+ return wtx ? GetVirtualTransactionSize(wtx->get()) : 0;`
`33`	`33`	`}`
`34`	`34`
`35`	`35`	`CAmount WalletModelTransaction::getTransactionFee() const`
Original file line number	Diff line number	Diff line change
`@@ -22,16 +22,17 @@ CAmount GetMinimumFee(const CWallet& wallet, unsigned int nTxBytes, const CCoinC`
`22`	`22`	`{`
`23`	`23`	`CAmount fee_needed = GetMinimumFeeRate(wallet, coin_control, feeCalc).GetFee(nTxBytes);`
`24`	`24`	`// Always obey the maximum`
`25`		`- if (fee_needed > maxTxFee) {`
`26`		`- fee_needed = maxTxFee;`
	`25`	`+ const CAmount max_tx_fee = wallet.chain().maxTxFee();`
	`26`	`+ if (fee_needed > max_tx_fee) {`
	`27`	`+ fee_needed = max_tx_fee;`
`27`	`28`	`if (feeCalc) feeCalc->reason = FeeReason::MAXTXFEE;`
`28`	`29`	`}`
`29`	`30`	`return fee_needed;`
`30`	`31`	`}`
`31`	`32`
`32`	`33`	`CFeeRate GetRequiredFeeRate(const CWallet& wallet)`
`33`	`34`	`{`
`34`		`- return std::max(wallet.m_min_fee, ::minRelayTxFee);`
	`35`	`+ return std::max(wallet.m_min_fee, wallet.chain().relayMinFee());`
`35`	`36`	`}`
`36`	`37`
`37`	`38`	`CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_control, FeeCalculation* feeCalc)`
`@@ -96,6 +97,6 @@ CFeeRate GetDiscardRate(const CWallet& wallet)`
`96`	`97`	`// Don't let discard_rate be greater than longest possible fee estimate if we get a valid fee estimate`
`97`	`98`	`discard_rate = (discard_rate == CFeeRate(0)) ? wallet.m_discard_rate : std::min(discard_rate, wallet.m_discard_rate);`
`98`	`99`	`// Discard rate must be at least dustRelayFee`
`99`		`- discard_rate = std::max(discard_rate, ::dustRelayFee);`
	`100`	`+ discard_rate = std::max(discard_rate, wallet.chain().relayDustFee());`
`100`	`101`	`return discard_rate;`
`101`	`102`	`}`