message: Add explicit ERROR_HUMANIZE_UNKNOWN
diff: @@ -40,6 +40,8 @@ static ERROR_REGION_READ_LENGTH_TOO_BIG: i32 = -1_000_102;
  static ERROR_CANONICALIZE_UNKNOWN: i32 = -1_000_201;
  /// The input address (human address) was invalid
  static ERROR_CANONICALIZE_INVALID_INPUT: i32 = -1_000_202;
  +/// An unknonw error when humanizing address
  +static ERROR_HUMANIZE_UNKNOWN: i32 = -1_000_301;
  /// Reads a storage entry from the VM's storage into Wasm memory
  pub fn do_read<S: Storage, Q: Querier>(ctx: &Ctx, key_ptr: u32, value_ptr: u32) -> i32 {
  @@ -128,7 +130,7 @@ pub fn do_humanize_address<A: Api>(
  Err(Error::RegionTooSmallErr { .. }) => ERROR_REGION_WRITE_TOO_SMALL,
  Err(_) => ERROR_REGION_WRITE_UNKNOWN,
  },
  - Err(_) => -1,
  + Err(_) => ERROR_HUMANIZE_UNKNOWN,
  }
  }
  