[fix] #1277 Remove txs from the pool once included in our submitted block

app/service/BlockchainService.ts

-import { IdentityForRequirements } from './BlockchainService';
-"use strict";
+import {IdentityForRequirements} from './BlockchainService';
 import {Server} from "../../server"
 import {GlobalFifoPromise} from "./GlobalFifoPromise"
 import {BlockchainContext} from "../lib/computation/BlockchainContext"
@@ -7,7 +6,6 @@ import {ConfDTO} from "../lib/dto/ConfDTO"
 import {FileDAL} from "../lib/dal/fileDAL"
 import {QuickSynchronizer} from "../lib/computation/QuickSync"
 import {BlockDTO} from "../lib/dto/BlockDTO"
-import {DBIdentity} from "../lib/dal/sqliteDAL/IdentityDAL"
 import {DBBlock} from "../lib/db/DBBlock"
 import {GLOBAL_RULES_HELPERS} from "../lib/rules/global_rules"
 import {parsers} from "../lib/common-libs/parsers/index"
@@ -18,6 +16,8 @@ import {LOCAL_RULES_FUNCTIONS} from "../lib/rules/local_rules"
 import {Switcher, SwitcherDao} from "../lib/blockchain/Switcher"
 import {OtherConstants} from "../lib/other_constants"
 
+"use strict";
+
 const _               = require('underscore');
 const constants       = require('../lib/constants');
 
@@ -206,6 +206,11 @@ export class BlockchainService extends FIFOService {
       while (!added && i < potentials.length) {
         const dto = BlockDTO.fromJSONObject(potentials[i])
         try {
+          if (dto.issuer === this.conf.pair.pub) {
+            for (const tx of dto.transactions) {
+              await this.dal.removeTxByHash(tx.hash);
+            }
+          }
           const addedBlock = await this.mainContext.checkAndAddBlock(dto)
           added = true
           this.push({