Function encodeNullDataScript

packages/utils/src/script.ts:131–142

(chunks: OpOrData[])

// For encoding OP_RETURN data (doesn't require BIP62.3 / MINIMALDATA)
export function encodeNullDataScript(chunks: OpOrData[]): Uint8Array {
  return flattenBinArray(
    chunks.map((chunk) => {
      if (typeof chunk === 'number') {
        return new Uint8Array([chunk]);
      }

      const pushdataOpcode = getPushDataOpcode(chunk);
      return new Uint8Array([...pushdataOpcode, ...chunk]);
    }),
  );
}

function getPushDataOpcode(data: Uint8Array): Uint8Array {
  const { byteLength } = data;