66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
/**
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* Fan-out archive query and merge replies until timeout.
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* @module aggregate
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*/
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/**
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* @param {object} opts
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* @param {string} opts.sha256
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* @param {string} opts.tenantId
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* @param {string[]} [opts.kinds]
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* @param {Array<{ archiveId: string, query: (sha: string) => object[]|null }>} opts.archives
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* @param {number} [opts.timeoutMs=50] unused in in-process mock (archives are sync)
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* @returns {{ archivesQueried: boolean, archiveReplies: number, records: object[], silent: string[] }}
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*/
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export function aggregateAttached({ sha256, tenantId, kinds = ['publicMeta', 'privateMeta', 'file'], archives }) {
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const records = [];
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const silent = [];
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for (const arch of archives) {
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const hit = arch.query(sha256);
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if (hit == null) {
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silent.push(arch.archiveId);
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continue;
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}
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for (const rec of hit) {
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if (!kinds.length || kinds.includes(rec.kind)) records.push(rec);
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}
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}
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return {
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sha256,
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tenantId,
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archivesQueried: true,
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archiveReplies: archives.length - silent.length,
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silent,
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records,
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};
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}
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/**
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* Merge chain receipts with archive records.
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* @param {object[]} chainReceipts
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* @param {object[]} archiveRecords
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*/
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export function mergeReceipts(chainReceipts, archiveRecords) {
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const extra = archiveRecords.map((r) => {
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if (r.kind === 'tree') {
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return {
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kind: 'tree-leaf',
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archiveId: r.archiveId,
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attachedAt: r.storedAt,
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itemizedOnMainChain: false,
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merkleRoot: r.record?.merkleRoot,
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proof: r.record?.proof,
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leafIndex: r.record?.leafIndex,
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chainSealJobId: r.record?.chainSealJobId,
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...r.record,
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};
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}
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return {
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kind: r.kind === 'file' ? 'file-attach' : 'metadata-attach',
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archiveId: r.archiveId,
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attachedAt: r.storedAt,
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...r.record,
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};
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});
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return [...chainReceipts, ...extra];
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}
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