Function insertIntoMerkleTree

packages/evolu/src/MerkleTree.ts:46–52

(timestamp: Timestamp)

export const insertIntoMerkleTree =
  (timestamp: Timestamp) =>
  (tree: MerkleTree): MerkleTree => {
    const key = timestampToKey(timestamp);
    const hash = timestampToHash(timestamp);
    // @ts-expect-error undefined is OK
    return insertKey({ ...tree, hash: tree.hash ^ hash }, key, hash);
  };

const keyToTimestamp = (key: string): Millis =>
  (parseInt(key.length > 0 ? key : "0", 3) * 1000 * 60) as Millis;