testUncompressedKeysAreCompressed

tcmts.atproto.test.testUncompressedKeysAreCompressed · #hig3ungo · term

import { compressedKey } from "#codebase/tcmts/atproto";

export const testUncompressedKeysAreCompressed = () => {
  const x = Array.from({ length: 32 }, (_, i) => i + 1);
  const odd = compressedKey(new Uint8Array([4, ...x, ...x.slice(0, 31), 7]));
  const even = compressedKey(new Uint8Array([4, ...x, ...x.slice(0, 31), 8]));
  if (odd.length !== 33 || odd[0] !== 3 || odd[1] !== 1 || odd[32] !== 32)
    throw new Error(`odd y: ${odd}`);
  if (even[0] !== 2) throw new Error(`even y: ${even}`);
  const already = new Uint8Array([2, ...x]);
  if (compressedKey(already) !== already) throw new Error("a compressed key is kept as it is");
}

uses

• tcmts.atproto.compressedKey