Merge #10995: Fix resendwallettransactions assert failure if -walletbroadcast=0

01699fb Fix resendwallettransactions assert failure if -walletbroadcast=0 (Matt Corallo)

Pull request description:

  This fixes #10981 in my preferred way.

Tree-SHA512: 2e43d3ac78d13c5d59db23a82c76c722cc3344767a8237617080e489296d27a98bb1b3bd469b2c9b289b57a9da3709c90448d7a23bcc2e1dfb791c4fd16be015

Author: laanwj

src/wallet/rpcwallet.cpp

@@ -2589,6 +2589,7 @@ UniValue resendwallettransactions(const JSONRPCRequest& request)
             "Immediately re-broadcast unconfirmed wallet transactions to all peers.\n"
             "Intended only for testing; the wallet code periodically re-broadcasts\n"
             "automatically.\n"
+            "Returns an RPC error if -walletbroadcast is set to false.\n"
             "Returns array of transaction ids that were re-broadcast.\n"
             );
 
@@ -2597,6 +2598,10 @@ UniValue resendwallettransactions(const JSONRPCRequest& request)
 
     LOCK2(cs_main, pwallet->cs_wallet);
 
+    if (!pwallet->GetBroadcastTransactions()) {
+        throw JSONRPCError(RPC_INVALID_REQUEST, "Error: Wallet transaction broadcasting is disabled with -walletbroadcast");
+    }
+
     std::vector<uint256> txids = pwallet->ResendWalletTransactionsBefore(GetTime(), g_connman.get());
     UniValue result(UniValue::VARR);
     for (const uint256& txid : txids)

src/wallet/wallet.cpp

@@ -1868,6 +1868,7 @@ std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime, CCon
     std::vector<uint256> result;
 
     LOCK(cs_wallet);
+
     // Sort them in chronological order
     std::multimap<unsigned int, CWalletTx*> mapSorted;
     for (std::pair<const uint256, CWalletTx>& item : mapWallet)

src/wallet/wallet.h

@@ -470,6 +470,7 @@ class CWalletTx : public CMerkleTx
     int64_t GetTxTime() const;
     int GetRequestCount() const;
 
+    // RelayWalletTransaction may only be called if fBroadcastTransactions!
     bool RelayWalletTransaction(CConnman* connman);
 
     std::set<uint256> GetConflicts() const;
@@ -937,6 +938,7 @@ class CWallet : public CCryptoKeyStore, public CValidationInterface
     CBlockIndex* ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
     void ReacceptWalletTransactions();
     void ResendWalletTransactions(int64_t nBestBlockTime, CConnman* connman) override;
+    // ResendWalletTransactionsBefore may only be called if fBroadcastTransactions!
     std::vector<uint256> ResendWalletTransactionsBefore(int64_t nTime, CConnman* connman);
     CAmount GetBalance() const;
     CAmount GetUnconfirmedBalance() const;