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• .. (вверх)
• [DIR] ..
• [FILE] childKey.d.ts
• [FILE] childKey.js
• [FILE] contributions.d.ts
• [FILE] contributions.js
• [FILE] index.d.ts
• [FILE] index.js
• [FILE] ownContributions.d.ts
• [FILE] ownContributions.js
• [FILE] types.d.ts
• [FILE] types.js
• [FILE] util.d.ts
• [FILE] util.js

Просмотр файла: ownContributions.js

import { combineLatest, EMPTY, map, of, startWith, switchMap } from 'rxjs';
import { objectSpread } from '@polkadot/util';
import { memo } from '../util/index.js';
import { extractContributed } from './util.js';
function _getValues(api, childKey, keys) {
    // We actually would love to use multi-keys https://github.com/paritytech/substrate/issues/9203
    return combineLatest(keys.map((k) => api.rpc.childstate.getStorage(childKey, k))).pipe(map((values) => values
        .map((v) => api.registry.createType('Option<StorageData>', v))
        .map((o) => o.isSome
        ? api.registry.createType('Balance', o.unwrap())
        : api.registry.createType('Balance'))
        .reduce((all, b, index) => objectSpread(all, { [keys[index]]: b }), {})));
}
function _watchOwnChanges(api, paraId, childkey, keys) {
    return api.query.system.events().pipe(switchMap((events) => {
        const changes = extractContributed(paraId, events);
        const filtered = keys.filter((k) => changes.added.includes(k) ||
            changes.removed.includes(k));
        return filtered.length
            ? _getValues(api, childkey, filtered)
            : EMPTY;
    }), startWith({}));
}
function _contributions(api, paraId, childKey, keys) {
    return combineLatest([
        _getValues(api, childKey, keys),
        _watchOwnChanges(api, paraId, childKey, keys)
    ]).pipe(map(([all, latest]) => objectSpread({}, all, latest)));
}
export function ownContributions(instanceId, api) {
    return memo(instanceId, (paraId, keys) => api.derive.crowdloan.childKey(paraId).pipe(switchMap((childKey) => childKey && keys.length
        ? _contributions(api, paraId, childKey, keys)
        : of({}))));
}

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