├── .github
    └── workflows
    │   ├── ci.yml
    │   └── release.yml
├── .gitignore
├── Cargo.lock
├── Cargo.toml
├── LICENSE-APACHE
├── LICENSE-MIT
├── README.md
├── src
    ├── error.rs
    ├── lib.rs
    ├── platform.rs
    ├── releases.rs
    ├── vvm
    │   ├── main.rs
    │   └── print.rs
    └── vyper
    │   ├── cache.rs
    │   ├── error.rs
    │   └── main.rs
└── test-data
    ├── Token.vy
    └── vvm-vyper-files-cache.json


/.github/workflows/ci.yml:
--------------------------------------------------------------------------------
 1 | name: Rust
 2 | 
 3 | on:
 4 |   push:
 5 |     branches: [ master ]
 6 |   pull_request:
 7 |     branches: [ master ]
 8 | 
 9 | env:
10 |   CARGO_TERM_COLOR: always
11 | 
12 | jobs:
13 |   build:
14 | 
15 |     runs-on: ubuntu-latest
16 | 
17 |     steps:
18 |     - uses: actions/checkout@v2
19 |     - name: Build
20 |       run: cargo build --verbose
21 |     - name: Formatting
22 |       run: cargo fmt --all -- --check
23 |     - name: Linting
24 |       run: cargo clippy -- -D warnings
25 |     - name: Run tests
26 |       run: cargo test --all-features
27 | 


--------------------------------------------------------------------------------
/.github/workflows/release.yml:
--------------------------------------------------------------------------------
 1 | name: Release
 2 | 
 3 | permissions:
 4 |   contents: write
 5 | 
 6 | on:
 7 |   push:
 8 |     tags:
 9 |       - v[0-9]+.*
10 | 
11 | jobs:
12 |   create-release:
13 |     runs-on: ubuntu-latest
14 |     steps:
15 |       - uses: actions/checkout@v3
16 |       - uses: taiki-e/create-gh-release-action@v1
17 |         env:
18 |           # (required) GitHub token for creating GitHub Releases.
19 |           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
20 | 
21 |   upload-assets:
22 |     strategy:
23 |       matrix:
24 |         os:
25 |           - ubuntu-latest
26 |           - macos-latest
27 |           - windows-latest
28 |     runs-on: ${{ matrix.os }}
29 |     steps:
30 |       - uses: actions/checkout@v3
31 |       - uses: taiki-e/upload-rust-binary-action@v1
32 |         with:
33 |           # (required) Comma-separated list of binary names (non-extension portion of filename) to build and upload.
34 |           # Note that glob pattern is not supported yet.
35 |           bin: vvm,vyper
36 |           # (optional) On which platform to distribute the `.tar.gz` file.
37 |           # [default value: unix]
38 |           # [possible values: all, unix, windows, none]
39 |           tar: unix
40 |           # (optional) On which platform to distribute the `.zip` file.
41 |           # [default value: windows]
42 |           # [possible values: all, unix, windows, none]
43 |           zip: windows
44 |           archive: $tag-$target
45 |         env:
46 |           # (required) GitHub token for uploading assets to GitHub Releases.
47 |           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | /target
2 | cache
3 | 


--------------------------------------------------------------------------------
/Cargo.lock:
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--------------------------------------------------------------------------------
/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "vvm-rs"
 3 | version = "0.0.2"
 4 | edition = "2018"
 5 | license = "MIT OR Apache-2.0"
 6 | description = """
 7 | Vyper-Compiler (vyper) Version Manager.
 8 | """
 9 | readme = "README.md"
10 | repository = "https://github.com/storming0x/vvm-rs"
11 | homepage = "https://github.com/storming0x/vvm-rs"
12 | 
13 | [lib]
14 | name = "vvm_lib"
15 | path = "src/lib.rs"
16 | 
17 | [[bin]]
18 | name = "vyper"
19 | path = "src/vyper/main.rs"
20 | 
21 | [[bin]]
22 | name = "vvm"
23 | path = "src/vvm/main.rs"
24 | 
25 | [dependencies]
26 | anyhow = { version = "1.0.43", default-features = false, features = ["std"] }
27 | cfg-if = { version = "1.0.0", default-features = false }
28 | clap = { version = "3.0.6", features = ["derive"] }
29 | console = { version = "0.14.1", default-features = false }
30 | dialoguer = { version = "0.8.0", default-features = false }
31 | fs2 = "0.4.3"
32 | hex = { version = "0.4.3", default-features = false, features = ["std"] }
33 | home = { version = "0.5.3", default-features = false }
34 | indicatif = { version = "0.16.2", default-features = false }
35 | itertools = { version = "0.10.1", default-features = false, features = [
36 |   "use_std",
37 | ] }
38 | md-5 = "0.10.1"
39 | once_cell = { version = "1.8.0", default-features = false }
40 | rand = { version = "0.8.5", default-features = false }
41 | reqwest = { version = "^0.11.7", default-features = false, features = ["json", "blocking"] }
42 | semver = { version = "1.0.4", default-features = false, features = ["std", "serde"] }
43 | serde = { version = "1.0.130", default-features = false, features = ["derive"] }
44 | serde_json = { version = "1.0.59", default-features = false }
45 | sha2 = { version = "0.9.9", default-features = false }
46 | tempfile = { version = "3.2.0", default-features = false }
47 | thiserror = { version = "1.0.29", default-features = false }
48 | tokio = { version = "1.11.0", features = ["full"] }
49 | tracing = "0.1.30"
50 | url = { version = "2.2.2", default-features = false }
51 | 
52 | [target.'cfg(all(target_os = "windows", target_arch = "x86_64"))'.dependencies]
53 | zip = "0.6.2"
54 | 
55 | [build-dependencies]
56 | home = { version = "0.5.3", default-features = false }
57 | 
58 | [features]
59 | default = ["rustls"]
60 | openssl = ["reqwest/native-tls"]
61 | rustls = ["reqwest/rustls-tls"]
62 | sha2-asm = ["sha2/asm"]
63 | blocking = ["reqwest/blocking"]
64 | 
65 | 


--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
/LICENSE-MIT:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2021 Rohit Narurkar
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # Vyper Compiler Version Manager in Rust
 2 | 
 3 | ### Install
 4 | ```
 5 | $ cargo install --git https://github.com/storming0x/vvm-rs --locked vvm-rs
 6 | ```
 7 | 
 8 | ### Install from source `vvm` and `vyper` (runner)
 9 | ```
10 | $ git clone https://github.com/storming0x/vvm-rs 
11 | cd vvm-rs
12 | cargo install --path ./ --bins --locked --force
13 | ```
14 | 
15 | ### Manual Download
16 | 
17 | You can manually download release for your platform [here](https://github.com/storming0x/vvm-rs/releases)
18 | 
19 | ### Usage
20 | * List available versions
21 | ```
22 | $ vvm list
23 | ```
24 | * Install a version
25 | ```
26 | $ vvm install <version>
27 | ```
28 | * Use an installed version
29 | ```
30 | $ vvm use <version>
31 | ```
32 | * Remove an installed version
33 | ```
34 | $ vvm remove <version>
35 | ```
36 | 
37 | ### Note and Issues
38 | VVM tries to use an environment variable called `GITHUB_TOKEN` to fetch and install vyper releases. In case its not found the installation may failed because of github rate limits
39 | 
40 | ### Vyper Runner Usage
41 | 
42 | Vyper runner included in this repository proxies all commands to vyper compiler with an added layer of caching for all your vyper projects.
43 | 
44 | ```
45 | $ vyper <file-path-to-vyper-file>
46 | ```
47 | 
48 | Note: in case of issues with caching just delete the folder under `$HOME/.vvm/cache/`
49 | 
50 | Caching only supports one file as input on commands.
51 | 
52 | 
53 | ### Credit and Acknowledgments
54 | 
55 | * [SVM-RS](https://github.com/roynalnaruto/svm-rs)
56 | * [VVM](https://github.com/vyperlang/vvm)
57 | 
58 | ## Contributing
59 | 
60 | Help is always appreciated! Feel free to open an issue if you find a problem, or a pull request if you've solved an issue.
61 | 
62 | TODO: Contribution guide
63 | 


--------------------------------------------------------------------------------
/src/error.rs:
--------------------------------------------------------------------------------
 1 | use reqwest::StatusCode;
 2 | use thiserror::Error;
 3 | use url::Url;
 4 | 
 5 | /// Error types from the vvm_lib crate.
 6 | #[derive(Debug, Error)]
 7 | pub enum VyperVmError {
 8 |     #[error("VVM global version not set")]
 9 |     GlobalVersionNotSet,
10 |     #[error("Unknown version provided")]
11 |     UnknownVersion,
12 |     #[error("Unsupported version {0} for platform {1}")]
13 |     UnsupportedVersion(String, String),
14 |     #[error("Version {0} not installed")]
15 |     VersionNotInstalled(String),
16 |     #[error("Checksum mismatch for version {0}")]
17 |     ChecksumMismatch(String),
18 |     #[error("Install step for solc version {0} timed out after {1} seconds")]
19 |     Timeout(String, u64),
20 |     #[error("Unable to patch solc binary for nixos. stdout: {0}. stderr: {1}")]
21 |     CouldNotPatchForNixOs(String, String),
22 |     #[error(transparent)]
23 |     IoError(#[from] std::io::Error),
24 |     #[error(transparent)]
25 |     ReqwestError(#[from] reqwest::Error),
26 |     #[error(transparent)]
27 |     SemverError(#[from] semver::Error),
28 |     #[error(transparent)]
29 |     UrlError(#[from] url::ParseError),
30 |     #[error("Received unsuccessful response with code {1} for {0}")]
31 |     UnsuccessfulResponse(Url, StatusCode),
32 |     #[cfg(all(target_os = "windows", target_arch = "x86_64"))]
33 |     #[error(transparent)]
34 |     ZipError(#[from] zip::result::ZipError),
35 | }
36 | 


--------------------------------------------------------------------------------
/src/lib.rs:
--------------------------------------------------------------------------------
  1 | use once_cell::sync::Lazy;
  2 | use semver::Version;
  3 | // use sha2::Digest;
  4 | 
  5 | use std::{
  6 |     ffi::OsString,
  7 |     fs,
  8 |     io::{Cursor, Write},
  9 |     path::PathBuf,
 10 | };
 11 | 
 12 | use std::time::Duration;
 13 | /// Use permissions extensions on unix
 14 | #[cfg(target_family = "unix")]
 15 | use std::{fs::Permissions, os::unix::fs::PermissionsExt};
 16 | 
 17 | mod error;
 18 | pub use error::VyperVmError;
 19 | 
 20 | mod platform;
 21 | pub use platform::{platform, Platform};
 22 | 
 23 | mod releases;
 24 | pub use releases::{all_releases, Releases};
 25 | 
 26 | #[cfg(feature = "blocking")]
 27 | pub use releases::blocking_all_releases;
 28 | 
 29 | /// Declare path to Vyper Version Manager's home directory, "~/.vvm" on Unix-based machines.
 30 | pub static VVM_HOME: Lazy<PathBuf> = Lazy::new(|| {
 31 |     cfg_if::cfg_if! {
 32 |         if #[cfg(test)] {
 33 |             let dir = tempfile::tempdir().expect("could not create temp directory");
 34 |             dir.path().join(".vvm")
 35 |         } else {
 36 |             let mut user_home = home::home_dir().expect("could not detect user home directory");
 37 |             user_home.push(".vvm");
 38 |             user_home
 39 |         }
 40 |     }
 41 | });
 42 | 
 43 | /// The timeout to use for requests to the source
 44 | const REQUEST_TIMEOUT: Duration = Duration::from_secs(120);
 45 | 
 46 | // Installer type that copies binary data to the appropriate Vyper binary file:
 47 | // 1. create target file to copy binary data
 48 | // 2. copy data
 49 | struct Installer {
 50 |     // version of vyper
 51 |     version: Version,
 52 |     // binary data of the Vyper executable
 53 |     binbytes: Vec<u8>,
 54 | }
 55 | 
 56 | impl Installer {
 57 |     /// Installs the vyper version at the version specific destination and returns the path to the installed Vyper file.
 58 |     fn install(&self) -> Result<PathBuf, VyperVmError> {
 59 |         let version_path = version_path(self.version.to_string().as_str());
 60 |         let vyper_path = version_path.join(&format!("vyper-{}", self.version));
 61 |         // create vyper file.
 62 |         let mut f = fs::File::create(&vyper_path)?;
 63 | 
 64 |         #[cfg(target_family = "unix")]
 65 |         f.set_permissions(Permissions::from_mode(0o777))?;
 66 | 
 67 |         // copy contents over
 68 |         let mut content = Cursor::new(&self.binbytes);
 69 |         std::io::copy(&mut content, &mut f)?;
 70 | 
 71 |         Ok(vyper_path)
 72 |     }
 73 | }
 74 | 
 75 | /// Derive path to a specific Vyper version's binary.
 76 | pub fn version_path(version: &str) -> PathBuf {
 77 |     let mut version_path = VVM_HOME.to_path_buf();
 78 |     version_path.push(&version);
 79 |     version_path
 80 | }
 81 | 
 82 | /// Derive path to VVM's global version file.
 83 | pub fn global_version_path() -> PathBuf {
 84 |     let mut global_version_path = VVM_HOME.to_path_buf();
 85 |     global_version_path.push(".global-version");
 86 |     global_version_path
 87 | }
 88 | 
 89 | /// Reads the currently set global version for Vyper. Returns None if none has yet been set.
 90 | pub fn current_version() -> Result<Option<Version>, VyperVmError> {
 91 |     let v = fs::read_to_string(global_version_path().as_path())?;
 92 |     Ok(Version::parse(v.trim_end_matches('\n').to_string().as_str()).ok())
 93 | }
 94 | 
 95 | /// Sets the provided version as the global version for Vyper.
 96 | pub fn use_version(version: &Version) -> Result<(), VyperVmError> {
 97 |     let mut v = fs::File::create(global_version_path().as_path())?;
 98 |     v.write_all(version.to_string().as_bytes())?;
 99 |     Ok(())
100 | }
101 | 
102 | /// Unset the global version. This should be done if all versions are removed.
103 | pub fn unset_global_version() -> Result<(), VyperVmError> {
104 |     let mut v = fs::File::create(global_version_path().as_path())?;
105 |     v.write_all("".as_bytes())?;
106 |     Ok(())
107 | }
108 | 
109 | /// Reads the list of Vyper versions that have been installed in the machine. The version list is
110 | /// sorted in ascending order.
111 | pub fn installed_versions() -> Result<Vec<Version>, VyperVmError> {
112 |     let home_dir = VVM_HOME.to_path_buf();
113 |     println!("home_dir {:?}", &home_dir);
114 |     let mut versions = vec![];
115 |     for v in fs::read_dir(&home_dir)? {
116 |         let v = v?;
117 |         if v.file_name() != OsString::from(".global-version".to_string()) {
118 |             versions.push(Version::parse(
119 |                 &v.path()
120 |                     .file_name()
121 |                     .ok_or(VyperVmError::UnknownVersion)?
122 |                     .to_str()
123 |                     .ok_or(VyperVmError::UnknownVersion)?
124 |                     .to_string()
125 |                     .as_str()
126 |                     .replace("vyper-", ""),
127 |             )?);
128 |         }
129 |     }
130 |     versions.sort();
131 | 
132 |     Ok(versions)
133 | }
134 | 
135 | /// Blocking version of [`all_versions`]
136 | #[cfg(feature = "blocking")]
137 | pub fn blocking_all_versions() -> Result<Vec<Version>, VyperVmError> {
138 |     Ok(releases::blocking_all_releases(platform::platform())?.into_versions())
139 | }
140 | 
141 | /// Fetches the list of all the available versions of Vyper. The list is platform dependent, so
142 | /// different versions can be found for macosx vs linux.
143 | pub async fn all_versions() -> Result<Vec<Version>, VyperVmError> {
144 |     Ok(releases::all_releases(platform::platform())
145 |         .await?
146 |         .into_versions())
147 | }
148 | 
149 | /// Blocking version of [`install`]
150 | #[cfg(feature = "blocking")]
151 | pub fn blocking_install(version: &Version) -> Result<PathBuf, VyperVmError> {
152 |     setup_home()?;
153 | 
154 |     let artifacts = releases::blocking_all_releases(platform::platform())?;
155 |     let artifact = artifacts
156 |         .get_artifact(version)
157 |         .ok_or(VyperVmError::UnknownVersion)?;
158 |     let download_url =
159 |         releases::artifact_url(platform::platform(), version, artifact.to_string().as_str())?;
160 | 
161 |     // TODO: implement checksum for vyper binaries
162 |     // let checksum = artifacts
163 |     //     .get_checksum(version)
164 |     //     .unwrap_or_else(|| panic!("checksum not available: {:?}", version.to_string()));
165 | 
166 |     let res = reqwest::blocking::Client::builder()
167 |         .timeout(REQUEST_TIMEOUT)
168 |         .build()
169 |         .expect("reqwest::Client::new()")
170 |         .get(download_url.clone())
171 |         .send()?;
172 | 
173 |     if !res.status().is_success() {
174 |         return Err(VyperVmError::UnsuccessfulResponse(
175 |             download_url,
176 |             res.status(),
177 |         ));
178 |     }
179 | 
180 |     let binbytes = res.bytes()?;
181 |     // TODO: implement checksum for vyper binaries
182 |     // ensure_checksum(&binbytes, version, checksum)?;
183 | 
184 |     // lock file to indicate that installation of this Vyper version will be in progress.
185 |     let lock_path = lock_file_path(version);
186 |     // wait until lock file is released, possibly by another parallel thread trying to install the
187 |     // same version of Vyper.
188 |     let _lock = try_lock_file(lock_path)?;
189 | 
190 |     do_install(
191 |         version.clone(),
192 |         binbytes.to_vec(),
193 |         artifact.to_string().as_str(),
194 |     )
195 | }
196 | 
197 | /// Installs the provided version of Vyper in the machine.
198 | ///
199 | /// Returns the path to the Vyper file.
200 | pub async fn install(version: &Version) -> Result<PathBuf, VyperVmError> {
201 |     setup_home()?;
202 | 
203 |     let artifacts = releases::all_releases(platform::platform()).await?;
204 |     let artifact = artifacts
205 |         .releases
206 |         .get(version)
207 |         .ok_or(VyperVmError::UnknownVersion)?;
208 |     let download_url =
209 |         releases::artifact_url(platform::platform(), version, artifact.to_string().as_str())?;
210 | 
211 |     // TODO: implement checksum for vyper binaries
212 |     // let checksum = artifacts
213 |     //     .get_checksum(version)
214 |     //     .unwrap_or_else(|| panic!("checksum not available: {:?}", version.to_string()));
215 | 
216 |     let res = reqwest::Client::builder()
217 |         .timeout(REQUEST_TIMEOUT)
218 |         .build()
219 |         .expect("reqwest::Client::new()")
220 |         .get(download_url.clone())
221 |         .send()
222 |         .await?;
223 | 
224 |     if !res.status().is_success() {
225 |         return Err(VyperVmError::UnsuccessfulResponse(
226 |             download_url,
227 |             res.status(),
228 |         ));
229 |     }
230 | 
231 |     let binbytes = res.bytes().await?;
232 |     // TODO: implement checksum for vyper binaries
233 |     // ensure_checksum(&binbytes, version, checksum)?;
234 | 
235 |     // lock file to indicate that installation of this Vyper version will be in progress.
236 |     let lock_path = lock_file_path(version);
237 |     // wait until lock file is released, possibly by another parallel thread trying to install the
238 |     // same version of Vyper.
239 |     let _lock = try_lock_file(lock_path)?;
240 | 
241 |     do_install(
242 |         version.clone(),
243 |         binbytes.to_vec(),
244 |         artifact.to_string().as_str(),
245 |     )
246 | }
247 | 
248 | fn do_install(
249 |     version: Version,
250 |     binbytes: Vec<u8>,
251 |     _artifact: &str,
252 | ) -> Result<PathBuf, VyperVmError> {
253 |     let installer = {
254 |         setup_version(version.to_string().as_str())?;
255 | 
256 |         Installer { version, binbytes }
257 |     };
258 | 
259 |     installer.install()
260 | }
261 | 
262 | /// Removes the provided version of Vyper from the machine.
263 | pub fn remove_version(version: &Version) -> Result<(), VyperVmError> {
264 |     fs::remove_dir_all(version_path(version.to_string().as_str()))?;
265 |     Ok(())
266 | }
267 | 
268 | /// Setup VVM home directory.
269 | pub fn setup_home() -> Result<PathBuf, VyperVmError> {
270 |     // create ~/.vvm
271 |     let home_dir = VVM_HOME.to_path_buf();
272 |     if !home_dir.as_path().exists() {
273 |         fs::create_dir_all(home_dir.clone())?;
274 |     }
275 |     // create ~/.vvm/.global-version
276 |     let mut global_version = VVM_HOME.to_path_buf();
277 |     global_version.push(".global-version");
278 |     if !global_version.as_path().exists() {
279 |         fs::File::create(global_version.as_path())?;
280 |     }
281 |     Ok(home_dir)
282 | }
283 | 
284 | fn setup_version(version: &str) -> Result<(), VyperVmError> {
285 |     let v = version_path(version);
286 |     if !v.exists() {
287 |         fs::create_dir_all(v.as_path())?
288 |     }
289 |     Ok(())
290 | }
291 | 
292 | // TODO: implement checksum for vyper binaries
293 | // fn ensure_checksum(
294 | //     binbytes: impl AsRef<[u8]>,
295 | //     version: &Version,
296 | //     expected_checksum: Vec<u8>,
297 | // ) -> Result<(), VyperVmError> {
298 | //     let mut hasher = sha2::Sha256::new();
299 | //     hasher.update(binbytes);
300 | //     let cs = &hasher.finalize()[..];
301 | //     // checksum does not match
302 | //     if cs != expected_checksum {
303 | //         return Err(VyperVmError::ChecksumMismatch(version.to_string()));
304 | //     }
305 | //     Ok(())
306 | // }
307 | 
308 | /// Creates the file and locks it exclusively, this will block if the file is currently locked
309 | fn try_lock_file(lock_path: PathBuf) -> Result<LockFile, VyperVmError> {
310 |     use fs2::FileExt;
311 |     let _lock_file = fs::OpenOptions::new()
312 |         .create(true)
313 |         .read(true)
314 |         .write(true)
315 |         .open(&lock_path)?;
316 |     _lock_file.lock_exclusive()?;
317 |     Ok(LockFile {
318 |         lock_path,
319 |         _lock_file,
320 |     })
321 | }
322 | 
323 | /// Represents a lockfile that's removed once dropped
324 | struct LockFile {
325 |     _lock_file: fs::File,
326 |     lock_path: PathBuf,
327 | }
328 | 
329 | impl Drop for LockFile {
330 |     fn drop(&mut self) {
331 |         let _ = fs::remove_file(&self.lock_path);
332 |     }
333 | }
334 | 
335 | /// Returns the lockfile to use for a specific file
336 | fn lock_file_path(version: &Version) -> PathBuf {
337 |     VVM_HOME.join(&format!(".lock-vyper-{}", version))
338 | }
339 | 
340 | #[cfg(test)]
341 | mod tests {
342 |     use crate::{
343 |         platform::Platform,
344 |         releases::{all_releases, artifact_url},
345 |     };
346 |     use rand::seq::SliceRandom;
347 |     use reqwest::Url;
348 | 
349 |     use std::process::{Command, Stdio};
350 | 
351 |     use super::*;
352 | 
353 |     #[tokio::test]
354 |     async fn test_artifact_url() {
355 |         let version = Version::new(0, 3, 3);
356 |         let version_str = version.to_string();
357 |         let artifact = &format!("vyper.{}%2Bcommit.48e326f0.darwin", version_str);
358 |         assert_eq!(
359 |             artifact_url(Platform::Linux, &version, artifact).unwrap(),
360 |             Url::parse(&format!(
361 |                 "https://github.com/vyperlang/vyper/releases/download/v{}/{}",
362 |                 version_str, artifact
363 |             ))
364 |             .unwrap(),
365 |         )
366 |     }
367 | 
368 |     #[tokio::test]
369 |     async fn test_install() {
370 |         let versions = all_releases(platform())
371 |             .await
372 |             .unwrap()
373 |             .releases
374 |             .into_keys()
375 |             .collect::<Vec<Version>>();
376 |         let rand_version = versions.choose(&mut rand::thread_rng()).unwrap();
377 |         assert!(install(rand_version).await.is_ok());
378 |     }
379 | 
380 |     #[ignore]
381 |     #[tokio::test]
382 |     async fn test_installed_versions() {
383 |         let versions = all_releases(platform())
384 |             .await
385 |             .unwrap()
386 |             .releases
387 |             .into_keys()
388 |             .collect::<Vec<Version>>();
389 |         let rand_version = versions.choose(&mut rand::thread_rng()).unwrap();
390 |         assert!(install(rand_version).await.is_ok());
391 |         let installed_versions = installed_versions().unwrap_or_default();
392 |         assert!(installed_versions.len() > 0);
393 |         assert!(&installed_versions.contains(rand_version));
394 |     }
395 | 
396 |     #[cfg(feature = "blocking")]
397 |     #[test]
398 |     fn blocking_test_install() {
399 |         let versions = crate::releases::blocking_all_releases(platform::platform())
400 |             .unwrap()
401 |             .into_versions();
402 |         let rand_version = versions.choose(&mut rand::thread_rng()).unwrap();
403 |         assert!(blocking_install(rand_version).is_ok());
404 |     }
405 | 
406 |     #[tokio::test]
407 |     async fn test_version() {
408 |         let version = "0.3.3".parse().unwrap();
409 |         install(&version).await.unwrap();
410 |         let vyper_path =
411 |             version_path(version.to_string().as_str()).join(&format!("vyper-{}", version));
412 |         let output = Command::new(&vyper_path)
413 |             .arg("--version")
414 |             .stdin(Stdio::piped())
415 |             .stderr(Stdio::piped())
416 |             .stdout(Stdio::piped())
417 |             .output()
418 |             .unwrap();
419 | 
420 |         assert!(String::from_utf8_lossy(&output.stdout)
421 |             .as_ref()
422 |             .contains("0.3.3"));
423 |     }
424 | 
425 |     #[cfg(feature = "blocking")]
426 |     #[test]
427 |     fn blocking_test_version() {
428 |         let version = "0.3.3".parse().unwrap();
429 |         blocking_install(&version).unwrap();
430 |         let vyper_path =
431 |             version_path(version.to_string().as_str()).join(&format!("vyper-{}", version));
432 |         let output = Command::new(&vyper_path)
433 |             .arg("--version")
434 |             .stdin(Stdio::piped())
435 |             .stderr(Stdio::piped())
436 |             .stdout(Stdio::piped())
437 |             .output()
438 |             .unwrap();
439 | 
440 |         assert!(String::from_utf8_lossy(&output.stdout)
441 |             .as_ref()
442 |             .contains("0.3.3"));
443 |     }
444 | 
445 |     #[ignore]
446 |     #[cfg(feature = "blocking")]
447 |     #[test]
448 |     fn can_install_parallel() {
449 |         let version: Version = "0.3.3".parse().unwrap();
450 |         let cloned_version = version.clone();
451 |         let t = std::thread::spawn(move || blocking_install(&cloned_version));
452 |         blocking_install(&version).unwrap();
453 |         t.join().unwrap().unwrap();
454 |     }
455 | 
456 |     #[ignore]
457 |     #[tokio::test(flavor = "multi_thread")]
458 |     async fn can_install_parallel_async() {
459 |         let version: Version = "0.3.3".parse().unwrap();
460 |         let cloned_version = version.clone();
461 |         let t = tokio::task::spawn(async move { install(&cloned_version).await });
462 |         install(&version).await.unwrap();
463 |         t.await.unwrap().unwrap();
464 |     }
465 | 
466 |     // ensures we can download the latest native Vyper for apple silicon
467 |     #[tokio::test(flavor = "multi_thread")]
468 |     async fn can_download_latest_macos() {
469 |         let latest: Version = "0.3.3".parse().unwrap();
470 | 
471 |         let artifacts = all_releases(Platform::MacOs).await.unwrap();
472 | 
473 |         let artifact = artifacts.releases.get(&latest).unwrap();
474 |         let download_url =
475 |             artifact_url(Platform::MacOs, &latest, artifact.to_string().as_str()).unwrap();
476 |         // TODO: implement checksum for vyper binaries
477 |         // let checksum = artifacts.get_checksum(&latest).unwrap();
478 | 
479 |         let resp = reqwest::get(download_url).await.unwrap();
480 |         assert!(resp.status().is_success());
481 |         let _binbytes = resp.bytes().await.unwrap();
482 |         // TODO: implement checksum for vyper binaries
483 |         // ensure_checksum(&binbytes, &latest, checksum).unwrap();
484 |     }
485 | }
486 | 


--------------------------------------------------------------------------------
/src/platform.rs:
--------------------------------------------------------------------------------
 1 | use std::fmt::Formatter;
 2 | use std::str::FromStr;
 3 | use std::{env, fmt};
 4 | 
 5 | /// Types of supported platforms.
 6 | #[derive(Clone, Debug, Copy, PartialEq, Eq)]
 7 | pub enum Platform {
 8 |     Linux,
 9 |     MacOs,
10 |     Windows,
11 |     Unsupported,
12 | }
13 | 
14 | impl fmt::Display for Platform {
15 |     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
16 |         let s = match self {
17 |             Platform::Linux => "linux",
18 |             Platform::MacOs => "darwin",
19 |             Platform::Windows => "windows",
20 |             Platform::Unsupported => "Unsupported-platform",
21 |         };
22 |         f.write_str(s)
23 |     }
24 | }
25 | 
26 | impl FromStr for Platform {
27 |     type Err = String;
28 | 
29 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
30 |         match s {
31 |             "linux" => Ok(Platform::Linux),
32 |             "macosx" => Ok(Platform::MacOs),
33 |             "darwin" => Ok(Platform::MacOs),
34 |             "windows" => Ok(Platform::Windows),
35 |             s => Err(format!("unsupported platform {}", s)),
36 |         }
37 |     }
38 | }
39 | 
40 | /// Read the current machine's platform.
41 | pub fn platform() -> Platform {
42 |     match (env::consts::OS, env::consts::ARCH) {
43 |         ("linux", "x86_64") => Platform::Linux,
44 |         ("linux", "aarch64") => Platform::Linux,
45 |         ("macos", "x86_64") => Platform::MacOs,
46 |         ("macos", "aarch64") => Platform::MacOs,
47 |         ("windows", "x86_64") => Platform::Windows,
48 |         _ => Platform::Unsupported,
49 |     }
50 | }
51 | 
52 | #[cfg(test)]
53 | mod tests {
54 |     use super::*;
55 | 
56 |     #[test]
57 |     #[cfg(all(target_os = "linux", target_arch = "x86_64"))]
58 |     fn get_platform() {
59 |         assert_eq!(platform(), Platform::Linux);
60 |     }
61 | 
62 |     #[test]
63 |     #[cfg(all(target_os = "linux", target_arch = "aarch64"))]
64 |     fn get_platform() {
65 |         assert_eq!(platform(), Platform::Linux);
66 |     }
67 | 
68 |     #[test]
69 |     #[cfg(all(target_os = "macos", target_arch = "x86_64"))]
70 |     fn get_platform() {
71 |         assert_eq!(platform(), Platform::MacOs);
72 |     }
73 | 
74 |     #[test]
75 |     #[cfg(all(target_os = "macos", target_arch = "aarch64"))]
76 |     fn get_platform() {
77 |         assert_eq!(platform(), Platform::MacOs);
78 |     }
79 | 
80 |     #[test]
81 |     #[cfg(all(target_os = "windows", target_arch = "x86_64"))]
82 |     fn get_platform() {
83 |         assert_eq!(platform(), Platform::Windows);
84 |     }
85 | }
86 | 


--------------------------------------------------------------------------------
/src/releases.rs:
--------------------------------------------------------------------------------
  1 | use reqwest::header::{HeaderMap, HeaderValue, USER_AGENT};
  2 | use semver::Version;
  3 | use serde::{
  4 |     de::{self, Deserializer},
  5 |     Deserialize, Serialize,
  6 | };
  7 | use std::collections::BTreeMap;
  8 | use url::Url;
  9 | 
 10 | use std::env;
 11 | 
 12 | use crate::{error::VyperVmError, platform::Platform};
 13 | 
 14 | const GITHUB_RELEASES: &str = "https://api.github.com/repos/vyperlang/vyper/releases?per_page=100";
 15 | 
 16 | /// Defines the struct that the JSON-formatted release list can be deserialized into.
 17 | ///
 18 | /// {
 19 | ///     "tag_name": "v0.3.3",
 20 | ///     ...
 21 | ///     "assets": [
 22 | ///       {
 23 | ///         "name": "vyper.0.3.3+commit.48e326f0.darwin",
 24 | ///         ...
 25 | ///         "browser_download_url": "https://github.com/vyperlang/vyper/releases/download/v0.3.3/vyper.0.3.3%2Bcommit.48e326f0.darwin"
 26 | ///        }
 27 | ///     ]
 28 | /// }
 29 | ///
 30 | ///
 31 | ///
 32 | ///
 33 | #[derive(Debug, Serialize, Deserialize)]
 34 | struct VyperAsset {
 35 |     name: String,
 36 |     browser_download_url: String,
 37 | }
 38 | /// Both the key and value are deserialized into semver::Version.
 39 | #[derive(Debug, Serialize, Deserialize)]
 40 | struct VyperReleases {
 41 |     tag_name: String,
 42 |     assets: Vec<VyperAsset>,
 43 | }
 44 | 
 45 | /// Both the key and value are deserialized into semver::Version.
 46 | #[derive(Clone, Debug, PartialEq, Eq, Default, Serialize, Deserialize)]
 47 | pub struct Releases {
 48 |     pub builds: Vec<BuildInfo>,
 49 |     pub releases: BTreeMap<Version, String>,
 50 | }
 51 | 
 52 | impl Releases {
 53 |     /// NOTE: vyper binaries dont support checksums
 54 |     pub fn get_checksum(&self, v: &Version) -> Option<Vec<u8>> {
 55 |         for build in self.builds.iter() {
 56 |             if build.version.eq(v) {
 57 |                 return Some(build.sha256.clone());
 58 |             }
 59 |         }
 60 |         None
 61 |     }
 62 | 
 63 |     /// Returns the artifact of the version if any
 64 |     pub fn get_artifact(&self, version: &Version) -> Option<&String> {
 65 |         self.releases.get(version)
 66 |     }
 67 | 
 68 |     /// Returns a sorted list of all versions
 69 |     pub fn into_versions(self) -> Vec<Version> {
 70 |         let mut versions = self.releases.into_keys().collect::<Vec<_>>();
 71 |         versions.sort_unstable();
 72 |         versions
 73 |     }
 74 | }
 75 | 
 76 | /// Build info contains the SHA256 checksum of a solc binary.
 77 | #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
 78 | pub struct BuildInfo {
 79 |     pub version: Version,
 80 |     #[serde(with = "hex_string")]
 81 |     pub sha256: Vec<u8>,
 82 | }
 83 | 
 84 | /// Helper serde module to serialize and deserialize bytes as hex.
 85 | mod hex_string {
 86 |     use super::*;
 87 |     use serde::Serializer;
 88 |     pub fn deserialize<'de, D>(deserializer: D) -> Result<Vec<u8>, D::Error>
 89 |     where
 90 |         D: Deserializer<'de>,
 91 |     {
 92 |         let str_hex = String::deserialize(deserializer)?;
 93 |         let str_hex = str_hex.trim_start_matches("0x");
 94 |         hex::decode(str_hex).map_err(|err| de::Error::custom(err.to_string()))
 95 |     }
 96 | 
 97 |     pub fn serialize<T, S>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
 98 |     where
 99 |         S: Serializer,
100 |         T: AsRef<[u8]>,
101 |     {
102 |         let value = hex::encode(value);
103 |         serializer.serialize_str(&value)
104 |     }
105 | }
106 | 
107 | /// Blocking version for [`all_releases`]
108 | #[cfg(feature = "blocking")]
109 | pub fn blocking_all_releases(platform: Platform) -> Result<Releases, VyperVmError> {
110 |     let vyper_releases = blocking_get_releases()?;
111 | 
112 |     let mut builds: Vec<BuildInfo> = Vec::new();
113 |     let mut releases: BTreeMap<Version, String> = BTreeMap::new();
114 |     let platform_str = &platform.to_string();
115 |     for vyper_release in vyper_releases {
116 |         for asset in vyper_release.assets {
117 |             if asset.name.contains(platform_str) {
118 |                 let version =
119 |                     Version::parse(&vyper_release.tag_name.trim_start_matches("v")).unwrap();
120 |                 builds.push(BuildInfo {
121 |                     version: version.clone(),
122 |                     sha256: Vec::new(),
123 |                 });
124 |                 releases.insert(version, asset.name);
125 |             }
126 |         }
127 |     }
128 | 
129 |     Ok(Releases { builds, releases })
130 | }
131 | 
132 | /// Fetch all releases available for the provided platform.
133 | pub async fn all_releases(platform: Platform) -> Result<Releases, VyperVmError> {
134 |     let vyper_releases = get_releases().await?;
135 | 
136 |     let mut builds: Vec<BuildInfo> = Vec::new();
137 |     let mut releases: BTreeMap<Version, String> = BTreeMap::new();
138 |     let platform_str = &platform.to_string();
139 |     for vyper_release in vyper_releases {
140 |         for asset in vyper_release.assets {
141 |             if asset.name.contains(platform_str) {
142 |                 let version =
143 |                     Version::parse(vyper_release.tag_name.trim_start_matches('v')).unwrap();
144 |                 builds.push(BuildInfo {
145 |                     version: version.clone(),
146 |                     sha256: Vec::new(),
147 |                 });
148 |                 releases.insert(version, asset.name);
149 |             }
150 |         }
151 |     }
152 | 
153 |     Ok(Releases { builds, releases })
154 | }
155 | 
156 | async fn get_releases() -> Result<Vec<VyperReleases>, VyperVmError> {
157 |     let mut headers = HeaderMap::new();
158 |     // add the user-agent header required by github
159 |     headers.insert(USER_AGENT, HeaderValue::from_static("reqwest"));
160 | 
161 |     add_gh_token(&mut headers);
162 | 
163 |     let vyper_releases = reqwest::Client::new()
164 |         .get(GITHUB_RELEASES)
165 |         .headers(headers)
166 |         .send()
167 |         .await?
168 |         .json::<Vec<VyperReleases>>()
169 |         .await?;
170 | 
171 |     Ok(vyper_releases)
172 | }
173 | 
174 | fn add_gh_token(headers: &mut HeaderMap) {
175 |     if let Ok(gh_token) = env::var("GITHUB_TOKEN") {
176 |         let auth_string = format!("Basic {}", &gh_token);
177 |         if let Ok(auth_header) = HeaderValue::from_str(auth_string.as_str()) {
178 |             // println!("GITHUB_TOKEN found! using it to fetch releases");
179 |             headers.insert("Authorization", auth_header);
180 |         }
181 |     }
182 | }
183 | 
184 | #[allow(dead_code)]
185 | fn blocking_get_releases() -> Result<Vec<VyperReleases>, VyperVmError> {
186 |     let mut headers = HeaderMap::new();
187 |     // add the user-agent header required by github
188 |     headers.insert(USER_AGENT, HeaderValue::from_static("reqwest"));
189 | 
190 |     add_gh_token(&mut headers);
191 | 
192 |     let vyper_releases = reqwest::blocking::Client::new()
193 |         .get(GITHUB_RELEASES)
194 |         .headers(headers)
195 |         .send()?
196 |         .json::<Vec<VyperReleases>>()?;
197 | 
198 |     Ok(vyper_releases)
199 | }
200 | 
201 | /// Construct the URL to the Vyper binary for the specified release version and target platform.
202 | pub fn artifact_url(
203 |     _platform: Platform,
204 |     version: &Version,
205 |     artifact: &str,
206 | ) -> Result<Url, VyperVmError> {
207 |     Ok(Url::parse(&format!(
208 |         "https://github.com/vyperlang/vyper/releases/download/v{}/{}",
209 |         &version.to_string(),
210 |         artifact
211 |     ))?)
212 | }
213 | 
214 | #[cfg(test)]
215 | mod tests {
216 |     use super::*;
217 | 
218 |     // #[tokio::test]
219 |     // async fn test_macos_aarch64() {
220 |     //     let releases = all_releases(Platform::MacOs)
221 |     //         .await
222 |     //         .expect("could not fetch releases for macos-aarch64");
223 |     //     let rosetta = Version::new(0, 8, 4);
224 |     //     let native = MACOS_AARCH64_NATIVE.clone();
225 |     //     let url1 = artifact_url(
226 |     //         Platform::MacOsAarch64,
227 |     //         &rosetta,
228 |     //         releases.get_artifact(&rosetta).unwrap(),
229 |     //     )
230 |     //     .expect("could not fetch artifact URL");
231 |     //     let url2 = artifact_url(
232 |     //         Platform::MacOsAarch64,
233 |     //         &native,
234 |     //         releases.get_artifact(&native).unwrap(),
235 |     //     )
236 |     //     .expect("could not fetch artifact URL");
237 |     //     assert!(url1.to_string().contains(SOLC_RELEASES_URL));
238 |     //     assert!(url2.to_string().contains(MACOS_AARCH64_URL_PREFIX));
239 |     // }
240 | 
241 |     #[tokio::test]
242 |     async fn test_all_releases_macos() {
243 |         assert!(all_releases(Platform::MacOs).await.is_ok());
244 |     }
245 | 
246 |     #[tokio::test]
247 |     async fn test_all_releases_linux() {
248 |         assert!(all_releases(Platform::Linux).await.is_ok());
249 |     }
250 | 
251 |     #[tokio::test]
252 |     async fn releases_roundtrip() {
253 |         let releases = all_releases(Platform::Linux).await.unwrap();
254 |         let s = serde_json::to_string(&releases).unwrap();
255 |         let de_releases: Releases = serde_json::from_str(&s).unwrap();
256 |         assert_eq!(releases, de_releases);
257 |     }
258 | }
259 | 


--------------------------------------------------------------------------------
/src/vvm/main.rs:
--------------------------------------------------------------------------------
  1 | use clap::Parser;
  2 | use dialoguer::Input;
  3 | use semver::Version;
  4 | 
  5 | use std::collections::HashSet;
  6 | 
  7 | mod print;
  8 | 
  9 | #[derive(Debug, Parser)]
 10 | #[clap(name = "vvm", about = "Vyper Version Manager", version)]
 11 | enum VyperVm {
 12 |     #[clap(about = "List all versions of Vyper")]
 13 |     List,
 14 |     #[clap(about = "Install Vyper versions")]
 15 |     Install { versions: Vec<String> },
 16 |     #[clap(about = "Use a Vyper version")]
 17 |     Use { version: String },
 18 |     #[clap(about = "Remove a Vyper version")]
 19 |     Remove { version: String },
 20 | }
 21 | 
 22 | #[tokio::main]
 23 | async fn main() -> anyhow::Result<()> {
 24 |     let opt = VyperVm::parse();
 25 | 
 26 |     vvm_lib::setup_home()?;
 27 | 
 28 |     match opt {
 29 |         VyperVm::List => {
 30 |             handle_list().await?;
 31 |         }
 32 |         VyperVm::Install { versions } => {
 33 |             for v in versions {
 34 |                 handle_install(Version::parse(&v)?).await?;
 35 |             }
 36 |         }
 37 |         VyperVm::Use { version } => {
 38 |             handle_use(Version::parse(&version)?).await?;
 39 |         }
 40 |         VyperVm::Remove { version } => match version.as_str() {
 41 |             "ALL" | "all" => {
 42 |                 for v in vvm_lib::installed_versions().unwrap_or_default() {
 43 |                     vvm_lib::remove_version(&v)?;
 44 |                 }
 45 |                 vvm_lib::unset_global_version()?;
 46 |             }
 47 |             _ => handle_remove(Version::parse(&version)?)?,
 48 |         },
 49 |     }
 50 | 
 51 |     Ok(())
 52 | }
 53 | 
 54 | async fn handle_list() -> anyhow::Result<()> {
 55 |     let all_versions = vvm_lib::all_versions().await?;
 56 |     let installed_versions = vvm_lib::installed_versions().unwrap_or_default();
 57 |     let current_version = vvm_lib::current_version()?;
 58 | 
 59 |     let a: HashSet<Version> = all_versions.iter().cloned().collect();
 60 |     let b: HashSet<Version> = installed_versions.iter().cloned().collect();
 61 |     let c = &a - &b;
 62 | 
 63 |     let mut available_versions = c.iter().cloned().collect::<Vec<Version>>();
 64 |     available_versions.sort();
 65 | 
 66 |     print::current_version(current_version);
 67 |     print::installed_versions(installed_versions);
 68 |     print::available_versions(available_versions);
 69 | 
 70 |     Ok(())
 71 | }
 72 | 
 73 | async fn handle_install(version: Version) -> anyhow::Result<()> {
 74 |     let all_versions = vvm_lib::all_versions().await?;
 75 |     let installed_versions = vvm_lib::installed_versions().unwrap_or_default();
 76 |     let current_version = vvm_lib::current_version()?;
 77 | 
 78 |     if installed_versions.contains(&version) {
 79 |         println!("Vyper {} is already installed", version);
 80 |         let input: String = Input::new()
 81 |             .with_prompt("Would you like to set it as the global version?")
 82 |             .with_initial_text("Y")
 83 |             .default("N".into())
 84 |             .interact_text()?;
 85 |         if matches!(input.as_str(), "y" | "Y" | "yes" | "Yes") {
 86 |             vvm_lib::use_version(&version)?;
 87 |             print::set_global_version(&version);
 88 |         }
 89 |     } else if all_versions.contains(&version) {
 90 |         let spinner = print::installing_version(&version);
 91 |         vvm_lib::install(&version).await?;
 92 |         spinner.finish_with_message(format!("Downloaded Vyper: {}", version));
 93 |         if current_version.is_none() {
 94 |             vvm_lib::use_version(&version)?;
 95 |             print::set_global_version(&version);
 96 |         }
 97 |     } else {
 98 |         print::unsupported_version(&version);
 99 |     }
100 | 
101 |     Ok(())
102 | }
103 | 
104 | async fn handle_use(version: Version) -> anyhow::Result<()> {
105 |     let all_versions = vvm_lib::all_versions().await?;
106 |     let installed_versions = vvm_lib::installed_versions().unwrap_or_default();
107 | 
108 |     if installed_versions.contains(&version) {
109 |         vvm_lib::use_version(&version)?;
110 |         print::set_global_version(&version);
111 |     } else if all_versions.contains(&version) {
112 |         println!("Vyper {} is not installed", version);
113 |         let input: String = Input::new()
114 |             .with_prompt("Would you like to install it?")
115 |             .with_initial_text("Y")
116 |             .default("N".into())
117 |             .interact_text()?;
118 |         if matches!(input.as_str(), "y" | "Y" | "yes" | "Yes") {
119 |             handle_install(version).await?;
120 |         }
121 |     } else {
122 |         print::unsupported_version(&version);
123 |     }
124 | 
125 |     Ok(())
126 | }
127 | 
128 | fn handle_remove(version: Version) -> anyhow::Result<()> {
129 |     let mut installed_versions = vvm_lib::installed_versions().unwrap_or_default();
130 |     let current_version = vvm_lib::current_version()?;
131 | 
132 |     if installed_versions.contains(&version) {
133 |         let input: String = Input::new()
134 |             .with_prompt("Are you sure?")
135 |             .with_initial_text("Y")
136 |             .default("N".into())
137 |             .interact_text()?;
138 |         if matches!(input.as_str(), "y" | "Y" | "yes" | "Yes") {
139 |             vvm_lib::remove_version(&version)?;
140 |             if let Some(v) = current_version {
141 |                 if version == v {
142 |                     if let Some(i) = installed_versions.iter().position(|x| *x == v) {
143 |                         installed_versions.remove(i);
144 |                         if let Some(new_version) = installed_versions.pop() {
145 |                             vvm_lib::use_version(&new_version)?;
146 |                             print::set_global_version(&new_version);
147 |                         } else {
148 |                             vvm_lib::unset_global_version()?;
149 |                         }
150 |                     }
151 |                 }
152 |             }
153 |         }
154 |     } else {
155 |         print::version_not_found(&version);
156 |     }
157 | 
158 |     Ok(())
159 | }
160 | 


--------------------------------------------------------------------------------
/src/vvm/print.rs:
--------------------------------------------------------------------------------
 1 | use console::style;
 2 | use indicatif::{ProgressBar, ProgressStyle};
 3 | use itertools::Itertools;
 4 | use semver::Version;
 5 | 
 6 | pub fn current_version(version: Option<Version>) {
 7 |     match version {
 8 |         Some(v) => {
 9 |             println!("{} (current)", style(v.to_string().as_str()).green());
10 |         }
11 |         None => {
12 |             println!("Global version not set");
13 |         }
14 |     }
15 | }
16 | 
17 | pub fn installed_versions(versions: Vec<Version>) {
18 |     println!("\n{}", style("Installed Versions").bold());
19 |     versions.iter().for_each(|v| {
20 |         println!("{}", style(v.to_string().as_str()).yellow());
21 |     });
22 | }
23 | 
24 | pub fn available_versions(versions: Vec<Version>) {
25 |     println!("\n{}", style("Available to Install").bold());
26 |     let groups = versions
27 |         .iter()
28 |         .group_by(|v| v.minor)
29 |         .into_iter()
30 |         .map(|(_, g)| g.cloned().collect())
31 |         .collect::<Vec<Vec<Version>>>();
32 |     for group in groups {
33 |         println!(
34 |             "{:?}",
35 |             group.iter().map(|v| v.to_string()).collect::<Vec<String>>()
36 |         );
37 |     }
38 | }
39 | 
40 | pub fn installing_version(version: &Version) -> ProgressBar {
41 |     let spinner = ProgressBar::new_spinner();
42 |     spinner.enable_steady_tick(120);
43 |     spinner.set_message(format!("Downloading Vyper {}", version));
44 |     spinner.set_style(
45 |         ProgressStyle::default_spinner()
46 |             .tick_strings(&[
47 |                 "☀️ ", "☀️ ", "☀️ ", "🌤 ", "⛅️ ", "🌥 ", "☁️ ", "🌧 ", "🌨 ", "🌧 ", "🌨 ", "🌧 ", "🌨 ",
48 |                 "⛈ ", "🌨 ", "🌧 ", "🌨 ", "☁️ ", "🌥 ", "⛅️ ", "🌤 ", "☀️ ", "☀️ ",
49 |             ])
50 |             .template("{spinner:.green} {msg}"),
51 |     );
52 |     spinner
53 | }
54 | 
55 | pub fn unsupported_version(version: &Version) {
56 |     println!(
57 |         "{}",
58 |         style(format!("Version: {} unsupported", version)).red()
59 |     );
60 | }
61 | 
62 | pub fn set_global_version(version: &Version) {
63 |     ProgressBar::new_spinner().finish_with_message(format!("Global version set: {}", version));
64 | }
65 | 
66 | pub fn version_not_found(version: &Version) {
67 |     println!("{}", style(format!("Version: {} not found", version)).red());
68 | }
69 | 


--------------------------------------------------------------------------------
/src/vyper/cache.rs:
--------------------------------------------------------------------------------
  1 | use crate::error::{Result, VyperError};
  2 | use serde::{de::DeserializeOwned, Deserialize, Serialize};
  3 | use std::{
  4 |     collections::btree_map::BTreeMap,
  5 |     fs::{self},
  6 |     io,
  7 |     path::{Path, PathBuf},
  8 | };
  9 | use vvm_lib::VVM_HOME;
 10 | 
 11 | use md5::Digest;
 12 | 
 13 | // simplified cache based on ether-rs solc logic with adjustments for vyper
 14 | // https://github.com/gakonst/ethers-rs/blob/c75608eda1e1fdc7366a7501c1a6b3f0216a25ea/ethers-solc/src/cache.rs
 15 | 
 16 | // close to ether-rs solidity cache format
 17 | const FORMAT_VERSION: &str = "vvm-rs-vyper-cache-1";
 18 | 
 19 | /// The file name of the default cache file
 20 | pub const VYPER_FILES_CACHE_FILENAME: &str = "vvm-vyper-files-cache.json";
 21 | 
 22 | /// A cache file
 23 | #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
 24 | pub struct VyperFilesCache {
 25 |     #[serde(rename = "_format")]
 26 |     pub format: String,
 27 |     pub files: BTreeMap<PathBuf, CacheEntry>,
 28 | }
 29 | 
 30 | impl VyperFilesCache {
 31 |     /// Create a new cache instance with empty entries
 32 |     fn new() -> Self {
 33 |         Self {
 34 |             format: FORMAT_VERSION.to_string(),
 35 |             files: BTreeMap::new(),
 36 |         }
 37 |     }
 38 | 
 39 |     // loads existing cache or create a new one
 40 |     pub fn get() -> Self {
 41 |         if let Ok(cache) = VyperFilesCache::read(get_cache_path()) {
 42 |             cache
 43 |         } else {
 44 |             VyperFilesCache::new()
 45 |         }
 46 |     }
 47 | 
 48 |     // pub fn is_empty(&self) -> bool {
 49 |     //     self.files.is_empty()
 50 |     // }
 51 | 
 52 |     /// How many entries the cache contains where each entry represents a source file
 53 |     pub fn len(&self) -> usize {
 54 |         self.files.len()
 55 |     }
 56 | 
 57 |     /// Returns the corresponding `CacheEntry` for the file if it exists
 58 |     pub fn entry(&self, file: impl AsRef<Path>) -> Option<&CacheEntry> {
 59 |         self.files.get(file.as_ref())
 60 |     }
 61 | 
 62 |     /// Returns the corresponding `CacheEntry` for the file if it exists
 63 |     pub fn entry_mut(&mut self, file: impl AsRef<Path>) -> Option<&mut CacheEntry> {
 64 |         self.files.get_mut(file.as_ref())
 65 |     }
 66 | 
 67 |     /// adds or updates an entry in cache
 68 |     pub fn add_entry(&mut self, file: impl AsRef<Path>, bytecode: &str) -> Result<()> {
 69 |         if let Some(mut entry) = self.entry_mut(file.as_ref()) {
 70 |             // update
 71 |             entry.content_hash = get_file_hash(file.as_ref())?;
 72 |             entry.deployed_bytecode = bytecode.to_string();
 73 |         }
 74 | 
 75 |         // add new entry
 76 |         let new_entry = CacheEntry {
 77 |             content_hash: get_file_hash(file.as_ref())?,
 78 |             source_name: file.as_ref().to_path_buf(),
 79 |             deployed_bytecode: bytecode.to_string(),
 80 |         };
 81 | 
 82 |         self.files.insert(file.as_ref().to_path_buf(), new_entry);
 83 | 
 84 |         Ok(())
 85 |     }
 86 | 
 87 |     /// Reads the cache json file from the given path
 88 |     #[tracing::instrument(skip_all, name = "vyper-files-cache::read")]
 89 |     pub fn read(path: impl AsRef<Path>) -> Result<Self> {
 90 |         let path = path.as_ref();
 91 |         tracing::trace!("reading vyper files cache at {}", path.display());
 92 |         let cache: VyperFilesCache = read_json_file(path)?;
 93 |         tracing::trace!(
 94 |             "read cache \"{}\" with {} entries",
 95 |             cache.format,
 96 |             cache.files.len()
 97 |         );
 98 |         Ok(cache)
 99 |     }
100 | 
101 |     /// Write the cache as json file to the given path
102 |     pub fn write(&self, path: impl AsRef<Path>) -> Result<()> {
103 |         let path = path.as_ref();
104 |         create_parent_dir_all(path)?;
105 |         let file = fs::File::create(path).map_err(|err| VyperError::io(err, path))?;
106 |         tracing::trace!(
107 |             "writing cache with {} entries to json file: \"{}\"",
108 |             self.len(),
109 |             path.display()
110 |         );
111 |         serde_json::to_writer_pretty(file, self)?;
112 |         tracing::trace!("cache file located: \"{}\"", path.display());
113 |         Ok(())
114 |     }
115 | }
116 | 
117 | /// A `CacheEntry` in the cache file represents a vyper file
118 | ///
119 | /// TODO: add better cache invalidation of entries
120 | /// Simplified version of cache entry for basic caching
121 | #[derive(Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
122 | #[serde(rename_all = "camelCase")]
123 | pub struct CacheEntry {
124 |     /// hash to identify whether the content of the file changed
125 |     pub content_hash: String,
126 |     /// identifier name
127 |     pub source_name: PathBuf,
128 |     // TODO: implement version
129 |     // pub version_requirement: Option<String>,
130 |     // TODO: implement version
131 |     // pub last_modified: : u6,
132 |     pub deployed_bytecode: String,
133 | }
134 | 
135 | impl CacheEntry {
136 |     ///  returns true file:
137 |     ///   - is new
138 |     ///   - has changed
139 |     ///  returns false if file si found and hash is the same
140 |     pub fn is_dirty(&self) -> bool {
141 |         if let Ok(hash) = get_file_hash(&self.source_name) {
142 |             if hash == self.content_hash {
143 |                 return false;
144 |             }
145 |         }
146 | 
147 |         true
148 |     }
149 | }
150 | 
151 | ///// Helper Functions /////
152 | 
153 | fn get_file_hash(path: impl AsRef<Path>) -> Result<String> {
154 |     let path = path.as_ref();
155 |     let file = std::fs::File::open(path).map_err(|err| VyperError::io(err, path))?;
156 |     let mut file = std::io::BufReader::new(file);
157 | 
158 |     let mut hasher = md5::Md5::new();
159 |     let _ = io::copy(&mut file, &mut hasher).map_err(|err| VyperError::io(err, path))?;
160 |     let result = hasher.finalize();
161 | 
162 |     Ok(hex::encode(result))
163 | }
164 | 
165 | /// Reads the json file and deserialize it into the provided type
166 | fn read_json_file<T: DeserializeOwned>(path: impl AsRef<Path>) -> Result<T> {
167 |     let path = path.as_ref();
168 |     let file = std::fs::File::open(path).map_err(|err| VyperError::io(err, path))?;
169 |     let file = std::io::BufReader::new(file);
170 |     let val: T = serde_json::from_reader(file)?;
171 |     Ok(val)
172 | }
173 | 
174 | /// Creates the parent directory of the `file` and all its ancestors if it does not exist
175 | /// See [`std::fs::create_dir_all()`]
176 | fn create_parent_dir_all(file: impl AsRef<Path>) -> Result<()> {
177 |     let file = file.as_ref();
178 |     if let Some(parent) = file.parent() {
179 |         std::fs::create_dir_all(parent).map_err(|err| {
180 |             VyperError::msg(format!(
181 |                 "Failed to create artifact parent folder \"{}\": {}",
182 |                 parent.display(),
183 |                 err
184 |             ))
185 |         })?;
186 |     }
187 |     Ok(())
188 | }
189 | 
190 | /// Get cache dir path
191 | pub fn get_cache_path() -> PathBuf {
192 |     let mut cache_path = VVM_HOME.to_path_buf();
193 |     cache_path.push("cache");
194 |     cache_path.push(VYPER_FILES_CACHE_FILENAME);
195 |     cache_path
196 | }
197 | 
198 | #[test]
199 | fn test_read_cache_file() -> Result<()> {
200 |     let mut d = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
201 |     d.push(format!("test-data/{}", VYPER_FILES_CACHE_FILENAME));
202 | 
203 |     let file_name = "test-data/Token.vy";
204 | 
205 |     println!("path read cache {}", d.display());
206 | 
207 |     let cache_result = VyperFilesCache::read(d);
208 | 
209 |     assert!(cache_result.is_ok());
210 | 
211 |     let cache = cache_result.unwrap();
212 | 
213 |     assert_eq!(cache.len(), 1);
214 | 
215 |     let cache_entry = cache
216 |         .entry(file_name)
217 |         .expect("expected cache entry to exist");
218 | 
219 |     let CacheEntry {
220 |         source_name,
221 |         content_hash,
222 |         deployed_bytecode,
223 |     } = cache_entry;
224 | 
225 |     assert_eq!(source_name.as_os_str(), file_name);
226 |     assert_eq!(content_hash, "089f6055c2d023b76eed71e820e7b580");
227 |     assert_eq!(
228 |         deployed_bytecode,
229 |         r#"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"#
230 |     );
231 | 
232 |     Ok(())
233 | }
234 | 
235 | #[test]
236 | fn test_get_file_hash() -> Result<()> {
237 |     let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
238 |     path.push("test-data/Token.vy");
239 | 
240 |     let expected_hash = "089f6055c2d023b76eed71e820e7b580";
241 |     let hash = get_file_hash(path)?;
242 |     assert_eq!(hash, expected_hash);
243 | 
244 |     Ok(())
245 | }
246 | 
247 | #[test]
248 | fn test_cache_entry_is_dirty() -> Result<()> {
249 |     let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
250 |     path.push("test-data/Token.vy");
251 | 
252 |     const BAD_HASH: &str = "b95e2a6f5312b7df45db0caa631f2d21";
253 | 
254 |     let clean_entry = CacheEntry {
255 |         content_hash: "089f6055c2d023b76eed71e820e7b580".to_string(),
256 |         source_name: path.clone(),
257 |         deployed_bytecode: "mockbytecode".to_string(),
258 |     };
259 | 
260 |     let dirty_entry = CacheEntry {
261 |         content_hash: BAD_HASH.to_string(),
262 |         source_name: path.clone(),
263 |         deployed_bytecode: "mockbytecode".to_string(),
264 |     };
265 | 
266 |     assert!(clean_entry.is_dirty() != true);
267 |     assert!(dirty_entry.is_dirty());
268 | 
269 |     Ok(())
270 | }
271 | 
272 | #[test]
273 | fn test_add_cache_entry() -> Result<()> {
274 |     let mut path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
275 |     path.push("test-data/Token.vy");
276 | 
277 |     const UPDATED_BYTECODE: &str = "mocknewbytecode";
278 |     const MOCK_BYTECODE: &str = "mockbytecode";
279 |     const CONTENT_HASH: &str = "089f6055c2d023b76eed71e820e7b580";
280 | 
281 |     let new_entry = CacheEntry {
282 |         content_hash: "089f6055c2d023b76eed71e820e7b580".to_string(),
283 |         source_name: path.clone(),
284 |         deployed_bytecode: MOCK_BYTECODE.to_string(),
285 |     };
286 | 
287 |     let mut cache = VyperFilesCache::new();
288 | 
289 |     cache.add_entry(&path, &MOCK_BYTECODE)?;
290 | 
291 |     assert!(cache.len() > 0);
292 |     let first_entry_op = cache.entry(new_entry.source_name);
293 |     assert!(first_entry_op.is_some());
294 |     let first_entry = first_entry_op.unwrap();
295 |     assert_eq!(first_entry.deployed_bytecode, MOCK_BYTECODE);
296 |     assert_eq!(first_entry.content_hash, CONTENT_HASH);
297 | 
298 |     // update
299 |     cache.add_entry(&path, &UPDATED_BYTECODE)?;
300 |     assert!(cache.len() == 1);
301 |     let updated_entry = cache.entry(path.clone());
302 |     assert!(updated_entry.is_some());
303 |     assert_eq!(updated_entry.unwrap().deployed_bytecode, UPDATED_BYTECODE);
304 | 
305 |     Ok(())
306 | }
307 | 


--------------------------------------------------------------------------------
/src/vyper/error.rs:
--------------------------------------------------------------------------------
 1 | use std::{io, path::PathBuf};
 2 | use thiserror::Error;
 3 | 
 4 | pub type Result<T> = std::result::Result<T, VyperError>;
 5 | 
 6 | /// Error types
 7 | #[derive(Debug, Error)]
 8 | pub enum VyperError {
 9 |     /// Internal error
10 |     // #[error("Vyper Error: {0}")]
11 |     // VyperError(String),
12 |     #[error(transparent)]
13 |     SerdeJson(#[from] serde_json::Error),
14 |     #[error(transparent)]
15 |     Io(#[from] VyperIoError),
16 |     #[error(transparent)]
17 |     VvmError(#[from] vvm_lib::VyperVmError),
18 | 
19 |     /// General purpose message
20 |     #[error("{0}")]
21 |     Message(String),
22 | }
23 | 
24 | impl VyperError {
25 |     pub(crate) fn io(err: io::Error, path: impl Into<PathBuf>) -> Self {
26 |         VyperIoError::new(err, path).into()
27 |     }
28 |     pub fn msg(msg: impl Into<String>) -> Self {
29 |         VyperError::Message(msg.into())
30 |     }
31 | }
32 | 
33 | #[derive(Debug, Error)]
34 | #[error("\"{}\": {io}", self.path.display())]
35 | pub struct VyperIoError {
36 |     io: io::Error,
37 |     path: PathBuf,
38 | }
39 | 
40 | impl VyperIoError {
41 |     pub fn new(io: io::Error, path: impl Into<PathBuf>) -> Self {
42 |         Self {
43 |             io,
44 |             path: path.into(),
45 |         }
46 |     }
47 | }
48 | 
49 | impl From<VyperIoError> for io::Error {
50 |     fn from(err: VyperIoError) -> Self {
51 |         err.io
52 |     }
53 | }
54 | 


--------------------------------------------------------------------------------
/src/vyper/main.rs:
--------------------------------------------------------------------------------
 1 | mod cache;
 2 | mod error;
 3 | 
 4 | use cache::VyperFilesCache;
 5 | use std::{
 6 |     env, fs,
 7 |     path::PathBuf,
 8 |     process::{Command, Stdio},
 9 | };
10 | 
11 | use crate::error::VyperError;
12 | 
13 | #[tokio::main]
14 | async fn main() -> error::Result<()> {
15 |     let args = env::args().skip(1).collect::<Vec<String>>();
16 | 
17 |     // setup .vvm/ dir in home directory
18 |     vvm_lib::setup_home()?;
19 | 
20 |     let mut cache = VyperFilesCache::get();
21 |     let mut file_name: Option<PathBuf> = None;
22 | 
23 |     if args.len() == 1 && !args[0].starts_with('-') {
24 |         let file_name_canon =
25 |             fs::canonicalize(&args[0]).map_err(|err| VyperError::io(err, &args[0]))?;
26 |         file_name = Some(file_name_canon);
27 |         // support cache only for single file inputs
28 |         if let Some(entry) = cache.entry(file_name.clone().unwrap()) {
29 |             if !entry.is_dirty() {
30 |                 // print out cached version
31 |                 println!("{}", entry.deployed_bytecode);
32 |                 return Ok(());
33 |             }
34 |         }
35 |     }
36 | 
37 |     // if we are here it means cache entry was not found or was dirty
38 |     // compile as normal and update/create cache file
39 |     let version = vvm_lib::current_version()?.ok_or(vvm_lib::VyperVmError::GlobalVersionNotSet)?;
40 |     let mut version_path = vvm_lib::version_path(version.to_string().as_str());
41 |     version_path.push(format!("vyper-{}", version.to_string().as_str()));
42 | 
43 |     let child = Command::new(version_path)
44 |         .args(args.clone())
45 |         .stdout(Stdio::piped())
46 |         .spawn()
47 |         .expect("Vyper wrapper: failed to execute vyper command");
48 | 
49 |     let output = child
50 |         .wait_with_output()
51 |         .expect("Vyper wrapper: failed to wait for child output");
52 | 
53 |     if output.status.success() {
54 |         println!("{}", std::str::from_utf8(&output.stdout).unwrap());
55 |         // cache house keeping
56 |         if args.len() == 1 && !args[0].starts_with('-') {
57 |             if let Some(bytecode) = get_bytecode(&output.stdout) {
58 |                 if cache.add_entry(file_name.unwrap(), &bytecode).is_ok() {
59 |                     let _ = cache.write(cache::get_cache_path());
60 |                     // ignore errors
61 |                     // TODO: add debug statements
62 |                 }
63 |             }
64 |         }
65 |     } else {
66 |         println!("{}", std::str::from_utf8(&output.stderr).unwrap());
67 |     }
68 | 
69 |     Ok(())
70 | }
71 | 
72 | fn get_bytecode(bytecode: &[u8]) -> Option<String> {
73 |     return match std::str::from_utf8(bytecode) {
74 |         Ok(b) if b.starts_with("0x") => Some(b.to_string()),
75 |         Ok(_) => None,
76 |         _ => None,
77 |     };
78 | }
79 | 


--------------------------------------------------------------------------------
/test-data/Token.vy:
--------------------------------------------------------------------------------
 1 | # @version 0.3.6
 2 | from vyper.interfaces import ERC20
 3 | 
 4 | implements: ERC20
 5 | 
 6 | totalSupply: public(uint256)
 7 | balanceOf: public(HashMap[address, uint256])
 8 | allowance: public(HashMap[address, HashMap[address, uint256]])
 9 | 
10 | NAME: constant(String[10]) = "Test Token"
11 | SYMBOL: constant(String[4]) = "TEST"
12 | DECIMALS: constant(uint8) = 18
13 | 
14 | event Transfer:
15 |     sender: indexed(address)
16 |     receiver: indexed(address)
17 |     amount: uint256
18 | 
19 | event Approval:
20 |     owner: indexed(address)
21 |     spender: indexed(address)
22 |     allowance: uint256
23 | 
24 | @view
25 | @external
26 | def name() -> String[10]:
27 |     return NAME
28 | 
29 | 
30 | @view
31 | @external
32 | def symbol() -> String[4]:
33 |     return SYMBOL
34 | 
35 | 
36 | @view
37 | @external
38 | def decimals() -> uint8:
39 |     return DECIMALS
40 | 
41 | 
42 | @external
43 | def transfer(receiver: address, amount: uint256) -> bool:
44 |     self.balanceOf[msg.sender] -= amount
45 |     self.balanceOf[receiver] += amount
46 |     log Transfer(msg.sender, receiver, amount)
47 |     return True
48 | 
49 | 
50 | @external
51 | def approve(spender: address, amount: uint256) -> bool:
52 |     self.allowance[msg.sender][spender] = amount
53 |     log Approval(msg.sender, spender, amount)
54 |     return True
55 | 
56 | 
57 | @external
58 | def transferFrom(sender: address, receiver: address, amount: uint256) -> bool:
59 |     self.allowance[sender][msg.sender] -= amount
60 |     self.balanceOf[sender] -= amount
61 |     self.balanceOf[receiver] += amount
62 |     log Transfer(sender, receiver, amount)
63 |     return True
64 | 
65 | 
66 | @external
67 | def DEBUG_mint(receiver: address, amount: uint256):
68 |     self.balanceOf[receiver] += amount
69 |     self.totalSupply += amount


--------------------------------------------------------------------------------
/test-data/vvm-vyper-files-cache.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "_format": "vvm-rs-vyper-cache-1",
 3 |   "files": {
 4 |     "test-data/Token.vy": {
 5 |       "contentHash": "089f6055c2d023b76eed71e820e7b580",
 6 |       "sourceName": "test-data/Token.vy",
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 8 |     }
 9 |   }
10 | }


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