@ceramicnetwork/core/lib/stream-loading/stream-updater.js

Typescript implementation of the Ceramic protocol

import { StreamUtils } from '@ceramicnetwork/common';
import { applyTipToState } from './apply-tip-helper.js';
export class StreamUpdater {
    constructor(logger, commitStorer, logSyncer, anchorTimestampExtractor, stateManipulator) {
        this.logger = logger;
        this.commitStorer = commitStorer;
        this.logSyncer = logSyncer;
        this.anchorTimestampExtractor = anchorTimestampExtractor;
        this.stateManipulator = stateManipulator;
    }
    async applyTipFromNetwork(state, tip) {
        return applyTipToState(this.logSyncer, this.anchorTimestampExtractor, this.stateManipulator, state, tip, {
            throwOnInvalidCommit: false,
            throwIfStale: false,
            throwOnConflict: false,
        });
    }
    async applyCommitFromUser(state, commit) {
        const streamId = StreamUtils.streamIdFromState(state);
        const commitCid = await this.commitStorer.storeEvent(commit, StreamUtils.streamIdFromState(state));
        this.logger.verbose(`StreamUpdater stored commit for stream ${streamId.toString()}, CID: ${commitCid.toString()}`);
        const updatedState = await applyTipToState(this.logSyncer, this.anchorTimestampExtractor, this.stateManipulator, state, commitCid, {
            throwOnInvalidCommit: true,
            throwIfStale: true,
            throwOnConflict: true,
        });
        const newTip = StreamUtils.tipFromState(updatedState);
        this.logger.verbose(`StreamUpdater applied commit ${commitCid.toString()} to stream ${streamId.toString()}. New tip: ${newTip.toString()} `);
        return updatedState;
    }
}
//# sourceMappingURL=stream-updater.js.map