Add current account service

StratisCore.UI/src/app/shared/services/current-account.service.ts

@@ -0,0 +1,27 @@
+import { Injectable } from '@angular/core';
+
+/*
+ * Used to maintain the state of the currently selected address in CirrusCore.
+ */
+@Injectable({
+  providedIn: 'root'
+})
+export class CurrentAccountService {
+
+  address: string;
+
+  constructor() { }
+
+  getAddress() {
+    return this.address;
+  }
+
+  setAddress(value: string) {
+    this.address = value;
+  }
+
+  hasActiveAddress() {
+    return !!this.address;
+  }
+
+}

StratisCore.UI/src/app/wallet/smart-contracts/components/address-selection/address-selection.component.ts

@@ -6,6 +6,7 @@ import { NgbModal } from '@ng-bootstrap/ng-bootstrap';
 import { ModalService } from '@shared/services/modal.service';
 import { catchError, takeUntil, switchMap } from 'rxjs/operators';
 import { of, Subject } from 'rxjs';
+import { CurrentAccountService } from '@shared/services/current-account.service';
 
 @Component({
   selector: 'app-address-selection',
@@ -23,7 +24,8 @@ export class AddressSelectionComponent implements OnInit {
   unsubscribe: Subject<void> = new Subject();
 
   constructor(private globalService: GlobalService,
-    private smartContractsService: SmartContractsServiceBase) { 
+    private smartContractsService: SmartContractsServiceBase,
+    private currentAccountService: CurrentAccountService) { 
 
       this.coinUnit = this.globalService.getCoinUnit();
       this.walletName = this.globalService.getWalletName();