message: fix: git rid of unnecessary 0x prefix when hashing + salting
diff: @@ -290,7 +290,7 @@ export async function buildPreorderNamespaceTx({
  network,
  }: PreorderNamespaceOptions): Promise<StacksTransaction> {
  const bnsFunctionName = 'namespace-preorder';
  - const saltedNamespaceBuffer = Buffer.from(`0x${namespace}${salt}`);
  + const saltedNamespaceBuffer = Buffer.from(`${namespace}${salt}`);
  const hashedSaltedNamespace = hash160(saltedNamespaceBuffer);
  return makeBnsContractCall({
  @@ -510,7 +510,7 @@ export async function buildPreorderNameTx({
  if (subdomain) {
  throw new Error('Cannot preorder a subdomain using preorderName()');
  }
  - const saltedNamesBuffer = Buffer.from(`0x${fullyQualifiedName}${salt}`);
  + const saltedNamesBuffer = Buffer.from(`${fullyQualifiedName}${salt}`);
  const hashedSaltedName = hash160(saltedNamesBuffer);
  return makeBnsContractCall({
  