Merge bitcoin#9302: Return txid even if ATMP fails for new transaction

b3a7410 Return txid even if ATMP fails for new transaction (Pieter Wuille)

Author: laanwj

src/wallet/wallet.cpp

@@ -3724,11 +3724,11 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey, CCon
         {
             // Broadcast
             if (!wtxNew.AcceptToMemoryPool(maxTxFee, state)) {
-                // This must not fail. The transaction has already been signed and recorded.
-                LogPrintf("CommitTransaction(): Error: Transaction not valid, %s\n", state.GetRejectReason());
-                return false;
+                LogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", state.GetRejectReason());
+                // TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
+            } else {
+                wtxNew.RelayWalletTransaction(connman, strCommand);
             }
-            wtxNew.RelayWalletTransaction(connman, strCommand);
         }
     }
     return true;