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requestsManager.ts
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requestsManager.ts
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import { Parameter } from 'ontology-dapi';
import { getWallet } from 'src/api/authApi';
import { hasIdentity } from 'src/api/identityApi';
import { v4 as uuid } from 'uuid';
import { Deferred } from '../deffered';
import Actions from '../redux/actions';
import { AssetType } from '../redux/runtime';
import { GlobalStore } from '../redux/state';
import {
MessageSignRequest,
ScCallReadRequest,
ScCallRequest,
ScDeployRequest,
TransactionRequestsState,
TransferRequest,
} from '../redux/transactionRequests';
import { PopupManager } from './popUpManager';
/**
* todo: when password remembering is implemented, it should be implemented here
* instead of calling popup manager, the transfer/scCall can be made directly
*/
export class RequestsManager {
private requestDeferreds: Map<string, Deferred<any>>;
private store: GlobalStore;
private popupManager: PopupManager;
constructor(store: GlobalStore, popupManager: PopupManager) {
this.requestDeferreds = new Map();
this.store = store;
this.popupManager = popupManager;
let oldRequestsState: TransactionRequestsState;
this.store.subscribe(() => {
const state = this.store.getState();
const requestsState = state.transactionRequests;
if (oldRequestsState !== requestsState) {
oldRequestsState = requestsState;
const requests = requestsState.requests;
requests
.filter((request) => request.resolved)
.forEach((request) => {
const deferred = this.requestDeferreds.get(request.id);
if (deferred !== undefined) {
if (request.error === undefined) {
deferred.resolve(request.result);
} else {
deferred.reject(request.result !== undefined ? request.result : request.error);
}
this.requestDeferreds.delete(request.id);
}
});
}
});
}
public async initTransfer(args: { recipient: string; asset: AssetType; amount: number }) {
const requestId = uuid();
// stores deferred object to resolve when the transaction is resolved
const deferred = new Deferred<any>();
this.requestDeferreds.set(requestId, deferred);
await this.store.dispatch(
Actions.transactionRequests.addRequest<TransferRequest>({
...args,
id: requestId,
sender: '',
type: 'transfer',
}),
);
await this.popupManager.show();
await this.popupManager.callMethod('history_push', '/send', { ...args, requestId, locked: true });
return deferred.promise;
}
public async initMessageSign(args: { message: string }) {
const requestId = uuid();
// stores deferred object to resolve when the transaction is resolved
const deferred = new Deferred<any>();
this.requestDeferreds.set(requestId, deferred);
await this.store.dispatch(
Actions.transactionRequests.addRequest<MessageSignRequest>({
...args,
id: requestId,
type: 'message_sign',
}),
);
await this.popupManager.show();
await this.popupManager.callMethod('history_push', '/message-sign', { ...args, requestId, locked: true });
return deferred.promise;
}
public async initScCall(args: {
contract: string;
method: string;
parameters?: Parameter[];
paramsHash?: string;
gasPrice?: number;
gasLimit?: number;
requireIdentity?: boolean;
}) {
const state = this.store.getState();
const wallet = getWallet(state.wallet.wallet!);
if (args.requireIdentity && !hasIdentity(wallet)) {
return Promise.reject('NO_IDENTITY');
}
const requestId = uuid();
// stores deferred object to resolve when the transaction is resolved
const deferred = new Deferred<any>();
this.requestDeferreds.set(requestId, deferred);
await this.store.dispatch(
Actions.transactionRequests.addRequest<ScCallRequest>({
...args,
id: requestId,
type: 'sc_call',
}),
);
const password = state.password.password;
const trustedScs = state.settings.trustedScs;
if (password !== undefined && args.requireIdentity !== true) {
// check if we already have password stored
// whitelisting is not supported for account+identity sign
const trustedSc = trustedScs.find(
(t) =>
t.contract === args.contract &&
(t.method === undefined || t.method === args.method) &&
(t.paramsHash === undefined || t.paramsHash === args.paramsHash),
);
if (trustedSc !== undefined) {
if (trustedSc.password === false && trustedSc.confirm === false) {
// check if password and confirm are not required
await this.store.dispatch(Actions.transactionRequests.submitRequest(requestId, password));
return deferred.promise;
} else if (trustedSc.confirm === false && trustedSc.password !== false) {
// check if confirm is not required and password is
await this.popupManager.show();
await this.popupManager.callMethod('history_push', '/confirm', {
redirectFail: '/sendFailed',
redirectSucess: '/dashboard',
requestId,
});
return deferred.promise;
}
}
}
await this.popupManager.show();
await this.popupManager.callMethod('history_push', '/call', {
...args,
locked: true,
requestId,
});
return deferred.promise;
}
public async initScCallRead(args: { contract: string; method: string; parameters?: Parameter[] }) {
const requestId = uuid();
// stores deferred object to resolve when the transaction is resolved
const deferred = new Deferred<any>();
this.requestDeferreds.set(requestId, deferred);
await this.store.dispatch(
Actions.transactionRequests.addRequest<ScCallReadRequest>({
...args,
id: requestId,
type: 'sc_call_read',
}),
);
await this.store.dispatch(Actions.transactionRequests.submitRequest(requestId));
return deferred.promise;
}
public async initScDeploy(args: {
code: string;
name?: string;
version?: string;
author?: string;
email?: string;
description?: string;
needStorage?: boolean;
gasPrice?: number;
gasLimit?: number;
}) {
const requestId = uuid();
// stores deferred object to resolve when the transaction is resolved
const deferred = new Deferred<any>();
this.requestDeferreds.set(requestId, deferred);
await this.store.dispatch(
Actions.transactionRequests.addRequest<ScDeployRequest>({
...args,
id: requestId,
type: 'sc_deploy',
}),
);
await this.popupManager.show();
await this.popupManager.callMethod('history_push', '/deploy', {
...args,
locked: true,
requestId,
});
return deferred.promise;
}
}
let requestsManager: RequestsManager;
export function initRequestsManager(store: GlobalStore, popupManager: PopupManager) {
requestsManager = new RequestsManager(store, popupManager);
return requestsManager;
}
export function getRequestsManager() {
return requestsManager;
}