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Fix staking.info (#1091)

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* Frankenstein

* Remove console.log

* Fix lint

* Remove console

* Fix tests

* Put back old version

* Add comment

* Store changeset data (filling in the blanks) (#1094)

* Store changeset data (filling in the blanks)

* Option(StorageData, null) when not available

* Make test pass
This commit is contained in:
Amaury Martiny
2019-07-10 13:08:32 +02:00
committed by Jaco Greeff
parent 7dfdab7bcc
commit a3ce8672af
7 changed files with 83 additions and 40 deletions
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packages/rpc-core/src/index.spec.ts
+1 -1
View File
@@ -17,7 +17,7 @@ describe('Api', () => {
const rpc = new Rpc(new MockProvider());
expect(
Object.keys(rpc)
Object.keys(rpc).filter((key) => !key.startsWith('_'))
).toEqual([
'provider',
'author', 'chain', 'state', 'system'
packages/rpc-core/src/index.ts
+15 -10
View File
@@ -11,7 +11,7 @@ import { combineLatest, from, Observable, Observer, of, throwError } from 'rxjs'
import { catchError, map, publishReplay, refCount, switchMap } from 'rxjs/operators';
import interfaces from '@polkadot/jsonrpc';
import { Codec } from '@polkadot/types/types';
import { Option, StorageChangeSet, StorageKey, Vector, createClass, createType } from '@polkadot/types';
import { Option, StorageChangeSet, StorageData, StorageKey, Vector, createClass, createType } from '@polkadot/types';
import { ExtError, assert, isFunction, isNull, logger } from '@polkadot/util';
const l = logger('rpc-core');
@@ -49,6 +49,7 @@ const EMPTY_META = {
* ```
*/
export default class Rpc implements RpcInterface {
private _storageCache = new Map<string, Option<StorageData>>();
readonly provider: ProviderInterface;
readonly author: RpcInterface$Section;
readonly chain: RpcInterface$Section;
@@ -296,20 +297,24 @@ export default class Rpc implements RpcInterface {
return createType(type, isNull ? meta.fallback : base, true);
}
private formatStorageSet (key: StorageKey, base: StorageChangeSet): Codec | undefined {
private formatStorageSet (key: StorageKey, base: StorageChangeSet): Codec {
// Fallback to Data (i.e. just the encoding) if we don't have a specific type
const type = key.outputType || 'Data';
// see if we have a result value for this specific key
const hexKey = key.toHex();
const { value } = base.changes.find((item) =>
item.key.toHex() === hexKey
) || { value: null };
const meta = key.meta || EMPTY_META;
if (!value) {
return;
} else if (meta.type.isMap && meta.type.asMap.isLinked) {
// see if we have a result value for this specific key, fallback to the cache value
// when the value in the set is not available, or is null/empty.
const { value } = base.changes.find(({ key, value }) =>
value.isSome && key.toHex() === hexKey
) || { value: this._storageCache.get(hexKey) || new Option<StorageData>(StorageData, null) };
// store the retrieved result - the only issue with this cache is that there is no
// clearning of it, so very long running processes (not just a couple of hours, longer)
// will increase memory beyond what is allowed.
this._storageCache.set(hexKey, value);
if (meta.type.isMap && meta.type.asMap.isLinked) {
return createType(type, value.unwrapOr(null), true);
} else if (meta.modifier.isOptional) {
return new Option(