Jaco Greeff
187c66f600
* Add storage subscriptions * StorageResult formatting * Decoding WIP * Storage subsciptions in place * Allow null decodes, ref https://github.com/polkadot-js/apps/issues/215 * e2e tests for subscribeStorage * Cache subscription results, return with changeset
59 lines
1.5 KiB
TypeScript
59 lines
1.5 KiB
TypeScript
// Copyright 2017-2018 @polkadot/api-provider authors & contributors
|
|
// This software may be modified and distributed under the terms
|
|
// of the ISC license. See the LICENSE file for details.
|
|
|
|
import { MockState, MockState$Storage, MockState$Subscriptions } from './types';
|
|
|
|
import E3 from 'eventemitter3';
|
|
import interfaces from '@polkadot/jsonrpc/index';
|
|
import u8aToHex from '@polkadot/util/u8a/toHex';
|
|
import logger from '@polkadot/util/logger';
|
|
|
|
const l = logger('api-mock');
|
|
|
|
const SUBSCRIPTIONS: string[] = Array.prototype.concat.apply(
|
|
[], Object.values(interfaces).map((area) =>
|
|
Object
|
|
.values(area.public)
|
|
.filter((method) =>
|
|
method.isSubscription
|
|
)
|
|
.map(({ name, section }) =>
|
|
`${section}_${name}`
|
|
)
|
|
)
|
|
);
|
|
|
|
const REQUESTS = {
|
|
'state_getStorage': (storage: MockState$Storage, params: Array<any>): string => {
|
|
return u8aToHex(
|
|
storage[(params[0] as string)]
|
|
);
|
|
},
|
|
'system_chain': (): string => 'mockChain',
|
|
'system_name': (): string => 'mockClient',
|
|
'system_version': (): string => '9.8.7'
|
|
};
|
|
|
|
export default function state (): MockState {
|
|
const storage = {};
|
|
const subscriptions: MockState$Subscriptions = SUBSCRIPTIONS.reduce((subs, name) => {
|
|
subs[name] = {
|
|
callbacks: {},
|
|
lastValue: null
|
|
};
|
|
|
|
return subs;
|
|
}, ({} as MockState$Subscriptions));
|
|
|
|
return {
|
|
emitter: new E3.EventEmitter(),
|
|
l,
|
|
requests: Object.assign({}, REQUESTS),
|
|
storage,
|
|
subscriptionId: 0,
|
|
subscriptionMap: {},
|
|
subscriptions
|
|
};
|
|
}
|