@ceramicnetwork/stream-handler-common/lib/anchor-commit-utils.js

Ceramic stream handler common types and utilities

import { AnchorStatus, EventType, StreamUtils, } from '@ceramicnetwork/common';
function applyAnchorTimestampsToLog(state) {
    let timestamp;
    for (let i = state.log.length - 1; i >= 0; i--) {
        const logEntry = state.log[i];
        if (logEntry.type == EventType.TIME) {
            timestamp = logEntry.timestamp;
        }
        else {
            logEntry.timestamp = timestamp;
        }
    }
}
export async function applyAnchorCommit(commitData, state) {
    StreamUtils.assertCommitLinksToState(state, commitData.commit);
    if (commitData.anchorValidationError) {
        throw commitData.anchorValidationError;
    }
    state.anchorStatus = AnchorStatus.ANCHORED;
    state.anchorProof = commitData.proof;
    state.log.push({
        cid: commitData.cid,
        type: EventType.TIME,
        timestamp: commitData.timestamp,
    });
    applyAnchorTimestampsToLog(state);
    if (state.next?.content) {
        state.content = state.next.content;
    }
    if (state.next?.metadata) {
        state.metadata = state.next.metadata;
    }
    delete state.next;
    return state;
}
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