Function validateChangeLocks

packages/cashscript/src/utils.ts:112–120

(changeLocks: Record<string, boolean>, category?: string)

}

function validateChangeLocks(changeLocks: Record<string, boolean>, category?: string): void {
  if (changeLocks.BCH) {
    throw new OutputBchChangeLockedError();
  }

  if (category && changeLocks[category]) {
    throw new OutputTokenChangeLockedError(category);
  }
}

export function isOpReturnOutput(output: Output): output is Output & { to: Uint8Array } {
  return typeof output.to !== 'string' && output.to[0] === Op.OP_RETURN;