Function readStateRootComposition

packages/storage/src/state-root-composition.ts:86–103

(root: string)

}

async function readStateRootComposition(root: string): Promise<StateRootCompositionRecord> {
  return withCompositionIoFailure(async () => {
    const contents = await readBoundedMarkerFile({
      path: join(root, STATE_ROOT_COMPOSITION_FILE),
      maxBytes: MAX_STATE_ROOT_COMPOSITION_BYTES,
      invalidFile,
    });
    let value: unknown;
    try {
      value = JSON.parse(contents) as unknown;
    } catch (error) {
      throw invalidFile(error);
    }
    if (!isExactCompositionRecord(value)) throw invalidFile();
    requireCompositionId(value.compositionId);
    return value;
  });
}

function assertMatchingComposition(
  record: StateRootCompositionRecord,