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fix(solc): support remapping autodetection edge case (#888) 

* fix(solc): support remapping autodetection edge case

* Update ethers-solc/src/remappings.rs

Co-authored-by: Georgios Konstantopoulos <me@gakonst.com>
This commit is contained in:
Matthias Seitz 2022-02-09 15:39:38 +01:00 committed by GitHub
parent 108a078dba
commit 3fa6653471
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 143 additions and 11 deletions
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5
ethers-solc/src/project_util.rs
View File

@ -14,6 +14,9 @@ use std::{
};
use tempfile::TempDir;
/// A [`Project`] wrapper that lives in a new temporary directory
///
/// Once `TempProject` is dropped, the temp dir is automatically removed, see [`TempDir::drop()`]
pub struct TempProject<T: ArtifactOutput = MinimalCombinedArtifacts> {
/// temporary workspace root
_root: TempDir,
@ -208,6 +211,7 @@ impl<T: ArtifactOutput> AsRef<Project<T>> for TempProject<T> {
}
}
/// commonly used options for copying entire folders
fn dir_copy_options() -> dir::CopyOptions {
dir::CopyOptions {
overwrite: true,
@ -219,6 +223,7 @@ fn dir_copy_options() -> dir::CopyOptions {
}
}
/// commonly used options for copying files
fn file_copy_options() -> file::CopyOptions {
file::CopyOptions {
overwrite: true,

86
ethers-solc/src/remappings.rs
View File

@ -335,6 +335,14 @@ struct Candidate {
window_level: usize,
}
impl Candidate {
/// Returns `true` if the source dir of this candidate ends with `/src` or `/contracts`
fn is_candidate_source_a_source_dir(&self) -> bool {
self.source_dir.ends_with(DAPPTOOLS_CONTRACTS_DIR) ||
self.source_dir.ends_with(JS_CONTRACTS_DIR)
}
}
fn is_source_dir(dir: &Path) -> bool {
dir.file_name()
.and_then(|p| p.to_str())
@ -411,6 +419,18 @@ fn find_remapping_candidates(
.count() >
1
{
// here we need to check for layouts like
// ```test
// ds-test/
// ├── aux/demo.sol
// └── src/test.sol
// ```
// which effectively ignores the `aux` dir by prioritizing source dirs and keeps
// `ds-test/=ds-test/src/`
if let Some(pos) = candidates.iter().position(Candidate::is_candidate_source_a_source_dir) {
let c = candidates.remove(pos);
candidates = vec![c];
} else {
// merge all candidates on the current level if the current dir is itself a candidate or
// there are multiple nested candidates on the current level like `current/{auth,
// tokens}/contracts/c.sol`
@ -420,6 +440,7 @@ fn find_remapping_candidates(
source_dir: current_dir.to_path_buf(),
window_level: current_level,
});
}
} else {
// this handles the case if there is a single nested candidate
if let Some(candidate) = candidates.iter_mut().find(|c| c.window_level == current_level) {
@ -429,7 +450,9 @@ fn find_remapping_candidates(
let distance = dir_distance(&candidate.window_start, &candidate.source_dir);
if distance > 1 && candidate.source_dir.ends_with(JS_CONTRACTS_DIR) {
candidate.source_dir = window_start;
} else if !is_source_dir(&candidate.source_dir) {
} else if !is_source_dir(&candidate.source_dir) &&
candidate.source_dir != candidate.window_start
{
candidate.source_dir = last_nested_source_dir(open, &candidate.source_dir);
}
}
@ -572,6 +595,67 @@ mod tests {
assert_eq!(remappings[0].path, format!("{}/src/", path));
}
#[test]
fn can_resolve_geb_remappings() {
let tmp_dir = tempdir("geb").unwrap();
let paths = [
"lib/ds-token/src/test/Contract.sol",
"lib/ds-token/lib/ds-test/src/Contract.sol",
"lib/ds-token/lib/ds-test/aux/Contract.sol",
"lib/ds-token/lib/ds-stop/lib/ds-test/src/Contract.sol",
"lib/ds-token/lib/ds-stop/lib/ds-note/src/Contract.sol",
"lib/ds-token/lib/ds-math/lib/ds-test/aux/Contract.sol",
"lib/ds-token/lib/ds-math/src/Contract.sol",
"lib/ds-token/lib/ds-stop/lib/ds-test/aux/Contract.sol",
"lib/ds-token/lib/ds-stop/lib/ds-note/lib/ds-test/src/Contract.sol",
"lib/ds-token/lib/ds-math/lib/ds-test/src/Contract.sol",
"lib/ds-token/lib/ds-stop/lib/ds-auth/lib/ds-test/src/Contract.sol",
"lib/ds-token/lib/ds-stop/src/Contract.sol",
"lib/ds-token/src/Contract.sol",
"lib/ds-token/lib/erc20/src/Contract.sol",
"lib/ds-token/lib/ds-stop/lib/ds-auth/lib/ds-test/aux/Contract.sol",
"lib/ds-token/lib/ds-stop/lib/ds-auth/src/Contract.sol",
"lib/ds-token/lib/ds-stop/lib/ds-note/lib/ds-test/aux/Contract.sol",
];
mkdir_or_touch(tmp_dir.path(), &paths[..]);
let tmp_dir_path = tmp_dir.path().join("lib");
let mut remappings = Remapping::find_many(&tmp_dir_path);
remappings.sort_unstable();
let mut expected = vec![
Remapping {
name: "ds-auth/".to_string(),
path: to_str(tmp_dir_path.join("ds-token/lib/ds-stop/lib/ds-auth/src")),
},
Remapping {
name: "ds-math/".to_string(),
path: to_str(tmp_dir_path.join("ds-token/lib/ds-math/src")),
},
Remapping {
name: "ds-note/".to_string(),
path: to_str(tmp_dir_path.join("ds-token/lib/ds-stop/lib/ds-note/src")),
},
Remapping {
name: "ds-stop/".to_string(),
path: to_str(tmp_dir_path.join("ds-token/lib/ds-stop/src")),
},
Remapping {
name: "ds-test/".to_string(),
path: to_str(tmp_dir_path.join("ds-token/lib/ds-test/src")),
},
Remapping {
name: "ds-token/".to_string(),
path: to_str(tmp_dir_path.join("ds-token/src")),
},
Remapping {
name: "erc20/".to_string(),
path: to_str(tmp_dir_path.join("ds-token/lib/erc20/src")),
},
];
expected.sort_unstable();
pretty_assertions::assert_eq!(remappings, expected);
}
#[test]
fn can_resolve_oz_remappings() {
let tmp_dir = tempdir("node_modules").unwrap();

45
ethers-solc/src/utils.rs
View File

@ -1,6 +1,9 @@
//! Utility functions
use std::path::{Component, Path, PathBuf};
use std::{
collections::HashSet,
path::{Component, Path, PathBuf},
};
use crate::{error::SolcError, SolcIoError};
use once_cell::sync::Lazy;
@ -66,6 +69,46 @@ pub fn source_files(root: impl AsRef<Path>) -> Vec<PathBuf> {
.collect()
}
/// Returns a list of _unique_ paths to all folders under `root` that contain at least one solidity
/// file (`*.sol`).
///
/// # Example
///
/// ```no_run
/// use ethers_solc::utils;
/// let dirs = utils::solidity_dirs("./lib");
/// ```
///
/// for following layout will return
/// `["lib/ds-token/src", "lib/ds-token/src/test", "lib/ds-token/lib/ds-math/src", ...]`
///
/// ```text
/// lib
/// └── ds-token
/// ├── lib
/// │ ├── ds-math
/// │ │ └── src/Contract.sol
/// │ ├── ds-stop
/// │ │ └── src/Contract.sol
/// │ ├── ds-test
/// │ └── src//Contract.sol
/// └── src
/// ├── base.sol
/// ├── test
/// │ ├── base.t.sol
/// └── token.sol
/// ```
pub fn solidity_dirs(root: impl AsRef<Path>) -> Vec<PathBuf> {
let sources = source_files(root);
sources
.iter()
.filter_map(|p| p.parent())
.collect::<HashSet<_>>()
.into_iter()
.map(|p| p.to_path_buf())
.collect()
}
/// Returns the source name for the given source path, the ancestors of the root path
/// `/Users/project/sources/contract.sol` -> `sources/contracts.sol`
pub fn source_name(source: &Path, root: impl AsRef<Path>) -> &Path {