1  // Copyright (c) 2019-2025 Alpha-Delta Network Inc.
 2  // This file is part of the deltavm library.
 3  
 4  // Licensed under the Apache License, Version 2.0 (the "License");
 5  // you may not use this file except in compliance with the License.
 6  // You may obtain a copy of the License at:
 7  
 8  // http://www.apache.org/licenses/LICENSE-2.0
 9  
10  // Unless required by applicable law or agreed to in writing, software
11  // distributed under the License is distributed on an "AS IS" BASIS,
12  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  // See the License for the specific language governing permissions and
14  // limitations under the License.
15  
16  use std::fmt::Debug;
17  
18  #[derive(Debug, Error)]
19  pub enum ParameterError {
20      #[error("expected checksum of {}, found checksum of {}", _0, _1)]
21      ChecksumMismatch(String, String),
22  
23      #[error("{}: {}", _0, _1)]
24      Crate(&'static str, String),
25  
26      #[error("{}", _0)]
27      Message(String),
28  
29      #[error("Remote fetch is disabled, enable compiler flag for feature")]
30      RemoteFetchDisabled,
31  
32      #[error("Expected size of {}, found size of {}", _0, _1)]
33      SizeMismatch(usize, usize),
34  
35      #[error("{}", _0)]
36      Wasm(String),
37  
38      #[error("Filesystem access is disabled, enable compiler flag for feature")]
39      FilesystemDisabled,
40  }
41  
42  #[cfg(all(not(feature = "wasm"), not(target_env = "sgx")))]
43  impl From<curl::Error> for ParameterError {
44      fn from(error: curl::Error) -> Self {
45          ParameterError::Crate("curl::error", format!("{error:?}"))
46      }
47  }
48  
49  impl From<std::io::Error> for ParameterError {
50      fn from(error: std::io::Error) -> Self {
51          ParameterError::Crate("std::io", format!("{error:?}"))
52      }
53  }
54  
55  impl From<std::path::StripPrefixError> for ParameterError {
56      fn from(error: std::path::StripPrefixError) -> Self {
57          ParameterError::Crate("std::path", format!("{error:?}"))
58      }
59  }
60  
61  impl From<ParameterError> for std::io::Error {
62      fn from(error: ParameterError) -> Self {
63          std::io::Error::other(format!("{error:?}"))
64      }
65  }