Clean up constructors.

src/app/_services/block-sync.service.ts

@@ -16,17 +16,20 @@ export class BlockSyncService {
 
   constructor(
     private transactionService: TransactionService,
-    private loggingService: LoggingService,
-    private registryService: RegistryService
+    private loggingService: LoggingService
   ) {}
 
-  blockSync(address: string = null, offset: number = 0, limit: number = 100): void {
+  async init(): Promise<void> {
+    await this.transactionService.init();
+  }
+
+  async blockSync(address: string = null, offset: number = 0, limit: number = 100): Promise<void> {
     this.transactionService.resetTransactionsList();
     const settings: Settings = new Settings(this.scan);
     const readyStateElements: { network: number } = { network: 2 };
     settings.w3.provider = environment.web3Provider;
-    settings.w3.engine = this.registryService.web3;
-    settings.registry = this.registryService.registry;
+    settings.w3.engine = RegistryService.web3;
+    settings.registry = await RegistryService.getRegistry();
     settings.txHelper = new TransactionHelper(settings.w3.engine, settings.registry);
 
     settings.txHelper.ontransfer = async (transaction: any): Promise<void> => {

src/app/_services/registry.service.ts

@@ -8,18 +8,24 @@ import { HttpGetter } from '@app/_helpers';
   providedIn: 'root',
 })
 export class RegistryService {
-  web3: Web3 = new Web3(environment.web3Provider);
-  fileGetter: FileGetter = new HttpGetter();
-  registry: CICRegistry = new CICRegistry(
-    this.web3,
-    environment.registryAddress,
-    'Registry',
-    this.fileGetter,
-    ['../../assets/js/block-sync/data']
-  );
+  static web3: Web3 = new Web3(environment.web3Provider);
+  static fileGetter: FileGetter = new HttpGetter();
+  private static registry: CICRegistry;
 
-  constructor() {
-    this.registry.declaratorHelper.addTrust(environment.trustedDeclaratorAddress);
-    this.registry.load();
+  constructor() {}
+
+  public static async getRegistry(): Promise<CICRegistry> {
+    if (!RegistryService.registry) {
+      RegistryService.registry = new CICRegistry(
+        RegistryService.web3,
+        environment.registryAddress,
+        'Registry',
+        RegistryService.fileGetter,
+        ['../../assets/js/block-sync/data']
+      );
+      RegistryService.registry.declaratorHelper.addTrust(environment.trustedDeclaratorAddress);
+      await RegistryService.registry.load();
+    }
+    return RegistryService.registry;
   }
 }

src/app/_services/token.service.ts

@@ -14,8 +14,10 @@ export class TokenService {
   tokenRegistry: TokenRegistry;
   onload: (status: boolean) => void;
 
-  constructor(private httpClient: HttpClient, private registryService: RegistryService) {
-    this.registry = this.registryService.registry;
+  constructor(private httpClient: HttpClient) {}
+
+  async init(): Promise<void> {
+    this.registry = await RegistryService.getRegistry();
     this.registry.onload = async (address: string): Promise<void> => {
       this.tokenRegistry = new TokenRegistry(
         await this.registry.getContractAddressByName('TokenRegistry')

src/app/_services/transaction.service.ts

@@ -34,11 +34,15 @@ export class TransactionService {
     private httpClient: HttpClient,
     private authService: AuthService,
     private userService: UserService,
-    private loggingService: LoggingService,
-    private registryService: RegistryService
+    private loggingService: LoggingService
   ) {
-    this.web3 = this.registryService.web3;
-    this.registry = registryService.registry;
+    this.web3 = RegistryService.web3;
+  }
+
+  async init(): Promise<void> {
+    await this.authService.init();
+    await this.userService.init();
+    this.registry = await RegistryService.getRegistry();
   }
 
   getAllTransactions(offset: number, limit: number): Observable<any> {

src/app/_services/user.service.ts

@@ -39,14 +39,15 @@ export class UserService {
     private httpClient: HttpClient,
     private loggingService: LoggingService,
     private tokenService: TokenService,
-    private registryService: RegistryService,
     private authService: AuthService
-  ) {
-    this.authService.init().then(() => {
-      this.keystore = authService.mutableKeyStore;
-      this.signer = new PGPSigner(this.keystore);
-    });
-    this.registry = registryService.registry;
+  ) {}
+
+  async init(): Promise<void> {
+    await this.authService.init();
+    await this.tokenService.init();
+    this.keystore = this.authService.mutableKeyStore;
+    this.signer = new PGPSigner(this.keystore);
+    this.registry = await RegistryService.getRegistry();
   }
 
   resetPin(phone: string): Observable<any> {

src/app/app.component.ts

@@ -27,28 +27,22 @@ export class AppComponent implements OnInit {
     private errorDialogService: ErrorDialogService,
     private swUpdate: SwUpdate
   ) {
-    (async () => {
-      try {
-        await this.authService.init();
-        // this.authService.getPublicKeys()
-        //   .pipe(catchError(async (error) => {
-        //     this.loggingService.sendErrorLevelMessage('Unable to load trusted public keys.', this, {error});
-        //     this.errorDialogService.openDialog({message: 'Trusted keys endpoint can\'t be reached. Please try again later.'});
-        // })).subscribe(this.authService.mutableKeyStore.importPublicKey);
-        const publicKeys = await this.authService.getPublicKeys();
-        await this.authService.mutableKeyStore.importPublicKey(publicKeys);
-      } catch (error) {
-        this.errorDialogService.openDialog({
-          message: 'Trusted keys endpoint cannot be reached. Please try again later.',
-        });
-        // TODO do something to halt user progress...show a sad cicada page 🦗?
-      }
-    })();
     this.mediaQuery.addEventListener('change', this.onResize);
     this.onResize(this.mediaQuery);
   }
 
-  ngOnInit(): void {
+  async ngOnInit(): Promise<void> {
+    await this.authService.init();
+    await this.transactionService.init();
+    try {
+      const publicKeys = await this.authService.getPublicKeys();
+      await this.authService.mutableKeyStore.importPublicKey(publicKeys);
+    } catch (error) {
+      this.errorDialogService.openDialog({
+        message: 'Trusted keys endpoint cannot be reached. Please try again later.',
+      });
+      // TODO do something to halt user progress...show a sad cicada page 🦗?
+    }
     if (!this.swUpdate.isEnabled) {
       this.swUpdate.available.subscribe(() => {
         if (confirm('New Version available. Load New Version?')) {

src/app/pages/accounts/account-details/account-details.component.ts

@@ -78,6 +78,14 @@ export class AccountDetailsComponent implements OnInit {
     private cdr: ChangeDetectorRef,
     private snackBar: MatSnackBar
   ) {
+    this.route.paramMap.subscribe((params: Params) => {
+      this.accountAddress = add0x(params.get('id'));
+      this.bloxbergLink =
+        'https://blockexplorer.bloxberg.org/address/' + this.accountAddress + '/transactions';
+    });
+  }
+
+  async ngOnInit(): Promise<void> {
     this.accountInfoForm = this.formBuilder.group({
       name: ['', Validators.required],
       phoneNumber: ['', Validators.required],
@@ -90,15 +98,11 @@ export class AccountDetailsComponent implements OnInit {
       location: ['', Validators.required],
       locationType: ['', Validators.required],
     });
-    this.route.paramMap.subscribe((params: Params) => {
-      this.accountAddress = add0x(params.get('id'));
-      this.bloxbergLink =
-        'https://blockexplorer.bloxberg.org/address/' + this.accountAddress + '/transactions';
-      this.blockSyncService.blockSync(this.accountAddress);
-    });
-  }
-
-  async ngOnInit(): Promise<void> {
+    await this.blockSyncService.init();
+    await this.tokenService.init();
+    await this.transactionService.init();
+    await this.userService.init();
+    await this.blockSyncService.blockSync(this.accountAddress);
     (await this.userService.getAccountByAddress(this.accountAddress, 100)).subscribe(
       async (res) => {
         if (res !== undefined) {

src/app/pages/accounts/account-search/account-search.component.ts

@@ -30,7 +30,8 @@ export class AccountSearchComponent implements OnInit {
     private router: Router
   ) {}
 
-  ngOnInit(): void {
+  async ngOnInit(): Promise<void> {
+    await this.userService.init();
     this.nameSearchForm = this.formBuilder.group({
       name: ['', Validators.required],
     });

src/app/pages/accounts/accounts.component.ts

@@ -32,28 +32,26 @@ export class AccountsComponent implements OnInit {
     private userService: UserService,
     private loggingService: LoggingService,
     private router: Router
-  ) {
-    (async () => {
-      try {
-        // TODO it feels like this should be in the onInit handler
-        await this.userService.loadAccounts(100);
-      } catch (error) {
-        this.loggingService.sendErrorLevelMessage('Failed to load accounts', this, { error });
-      }
-    })();
-    this.userService
-      .getAccountTypes()
-      .pipe(first())
-      .subscribe((res) => (this.accountTypes = res));
-  }
+  ) {}
 
-  ngOnInit(): void {
+  async ngOnInit(): Promise<void> {
+    await this.userService.init();
+    try {
+      // TODO it feels like this should be in the onInit handler
+      await this.userService.loadAccounts(100);
+    } catch (error) {
+      this.loggingService.sendErrorLevelMessage('Failed to load accounts', this, { error });
+    }
     this.userService.accountsSubject.subscribe((accounts) => {
       this.dataSource = new MatTableDataSource<any>(accounts);
       this.dataSource.paginator = this.paginator;
       this.dataSource.sort = this.sort;
       this.accounts = accounts;
     });
+    this.userService
+      .getAccountTypes()
+      .pipe(first())
+      .subscribe((res) => (this.accountTypes = res));
   }
 
   doFilter(value: string): void {

src/app/pages/accounts/create-account/create-account.component.ts

@@ -26,7 +26,8 @@ export class CreateAccountComponent implements OnInit {
     private userService: UserService
   ) {}
 
-  ngOnInit(): void {
+  async ngOnInit(): Promise<void> {
+    await this.userService.init();
     this.createForm = this.formBuilder.group({
       accountType: ['', Validators.required],
       idNumber: ['', Validators.required],

src/app/pages/admin/admin.component.ts

@@ -30,7 +30,10 @@ export class AdminComponent implements OnInit {
   @ViewChild(MatPaginator) paginator: MatPaginator;
   @ViewChild(MatSort) sort: MatSort;
 
-  constructor(private userService: UserService, private loggingService: LoggingService) {
+  constructor(private userService: UserService, private loggingService: LoggingService) {}
+
+  async ngOnInit(): Promise<void> {
+    await this.userService.init();
     this.userService.getActions();
     this.userService.actionsSubject.subscribe((actions) => {
       this.dataSource = new MatTableDataSource<any>(actions);
@@ -40,8 +43,6 @@ export class AdminComponent implements OnInit {
     });
   }
 
-  ngOnInit(): void {}
-
   doFilter(value: string): void {
     this.dataSource.filter = value.trim().toLocaleLowerCase();
   }

src/app/pages/settings/settings.component.ts

@@ -24,7 +24,8 @@ export class SettingsComponent implements OnInit {
 
   constructor(private authService: AuthService) {}
 
-  ngOnInit(): void {
+  async ngOnInit(): Promise<void> {
+    await this.authService.init();
     const d = new Date();
     this.date = `${d.getDate()}/${d.getMonth()}/${d.getFullYear()}`;
     this.trustedUsers = this.authService.getTrustedUsers();

src/app/pages/tokens/token-details/token-details.component.ts

@@ -13,7 +13,10 @@ import { Token } from '../../../_models';
 export class TokenDetailsComponent implements OnInit {
   token: Token;
 
-  constructor(private route: ActivatedRoute, private tokenService: TokenService) {
+  constructor(private route: ActivatedRoute, private tokenService: TokenService) {}
+
+  async ngOnInit(): Promise<void> {
+    await this.tokenService.init();
     this.route.paramMap.subscribe((params: Params) => {
       this.tokenService
         .getTokenBySymbol(params.get('id'))
@@ -23,6 +26,4 @@ export class TokenDetailsComponent implements OnInit {
         });
     });
   }
-
-  ngOnInit(): void {}
 }

src/app/pages/tokens/tokens.component.ts

@@ -26,6 +26,7 @@ export class TokensComponent implements OnInit {
   ) {}
 
   async ngOnInit(): Promise<void> {
+    await this.tokenService.init();
     this.tokenService.onload = async (status: boolean): Promise<void> => {
       this.tokens = await this.tokenService.getTokens();
       this.loggingService.sendInfoLevelMessage(this.tokens);

src/app/pages/transactions/transaction-details/transaction-details.component.ts

@@ -23,7 +23,8 @@ export class TransactionDetailsComponent implements OnInit {
     private snackBar: MatSnackBar
   ) {}
 
-  ngOnInit(): void {
+  async ngOnInit(): Promise<void> {
+    await this.transactionService.init();
     if (this.transaction?.type === 'conversion') {
       this.traderBloxbergLink =
         'https://blockexplorer.bloxberg.org/address/' + this.transaction?.trader + '/transactions';

src/app/pages/transactions/transactions.component.ts

@@ -36,17 +36,19 @@ export class TransactionsComponent implements OnInit, AfterViewInit {
     private blockSyncService: BlockSyncService,
     private transactionService: TransactionService,
     private userService: UserService
-  ) {
-    this.blockSyncService.blockSync();
-  }
+  ) {}
 
-  ngOnInit(): void {
+  async ngOnInit(): Promise<void> {
     this.transactionService.transactionsSubject.subscribe((transactions) => {
       this.transactionDataSource = new MatTableDataSource<any>(transactions);
       this.transactionDataSource.paginator = this.paginator;
       this.transactionDataSource.sort = this.sort;
       this.transactions = transactions;
     });
+    await this.blockSyncService.init();
+    await this.transactionService.init();
+    await this.userService.init();
+    await this.blockSyncService.blockSync();
     this.userService
       .getTransactionTypes()
       .pipe(first())