feat(etherscan): lookup solc build metadata (#1242)

* lookup solc version build meta

* accept Version as an arg

* add docs

* remove redundant lifetime

* rm regex
This commit is contained in:
Roman Krasiuk 2022-05-09 20:44:32 +03:00 committed by GitHub
parent c3c08e20c5
commit dc199f3b75
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 61 additions and 0 deletions

1
Cargo.lock generated
View File

@ -1285,6 +1285,7 @@ dependencies = [
"ethers-core", "ethers-core",
"ethers-solc", "ethers-solc",
"reqwest", "reqwest",
"semver",
"serde", "serde",
"serde-aux", "serde-aux",
"serde_json", "serde_json",

View File

@ -22,6 +22,7 @@ serde_json = { version = "1.0.64", default-features = false }
serde-aux = { version = "3.0.1", default-features = false } serde-aux = { version = "3.0.1", default-features = false }
thiserror = "1.0.31" thiserror = "1.0.31"
tracing = "0.1.34" tracing = "0.1.34"
semver = "1.0.9"
[dev-dependencies] [dev-dependencies]
tempfile = "3.3.0" tempfile = "3.3.0"

View File

@ -33,4 +33,6 @@ pub enum EtherscanError {
Unknown(String), Unknown(String),
#[error("Missing field: {0}")] #[error("Missing field: {0}")]
Builder(String), Builder(String),
#[error("Missing solc version: {0}")]
MissingSolcVersion(String),
} }

View File

@ -24,6 +24,7 @@ pub mod errors;
pub mod gas; pub mod gas;
pub mod source_tree; pub mod source_tree;
pub mod transaction; pub mod transaction;
pub mod utils;
pub(crate) type Result<T> = std::result::Result<T, EtherscanError>; pub(crate) type Result<T> = std::result::Result<T, EtherscanError>;

View File

@ -0,0 +1,56 @@
use semver::Version;
use crate::{EtherscanError, Result};
static SOLC_BIN_LIST_URL: &str =
"https://raw.githubusercontent.com/ethereum/solc-bin/gh-pages/bin/list.txt";
/// Given the compiler version lookup the build metadata
/// and return full semver
/// i.e. `0.8.13` -> `0.8.13+commit.abaa5c0e`
pub async fn lookup_compiler_version(version: &Version) -> Result<Version> {
let response = reqwest::get(SOLC_BIN_LIST_URL).await?.text().await?;
let version = format!("{}", version);
let v = response
.lines()
.find(|l| !l.contains("nightly") && l.contains(&version))
.map(|l| l.trim_start_matches("soljson-v").trim_end_matches(".js").to_owned())
.ok_or(EtherscanError::MissingSolcVersion(version))?;
Ok(v.parse().expect("failed to parse semver"))
}
#[cfg(test)]
mod tests {
use super::*;
use crate::tests::run_at_least_duration;
use semver::{BuildMetadata, Prerelease};
use serial_test::serial;
use std::time::Duration;
#[tokio::test]
#[serial]
async fn can_lookup_compiler_version_build_metadata() {
run_at_least_duration(Duration::from_millis(250), async {
let v = Version::new(0, 8, 13);
let version = lookup_compiler_version(&v).await.unwrap();
assert_eq!(v.major, version.major);
assert_eq!(v.minor, version.minor);
assert_eq!(v.patch, version.patch);
assert_ne!(version.build, BuildMetadata::EMPTY);
assert_eq!(version.pre, Prerelease::EMPTY);
})
.await
}
#[tokio::test]
#[serial]
async fn errors_on_invalid_solc() {
run_at_least_duration(Duration::from_millis(250), async {
let v = Version::new(100, 0, 0);
let err = lookup_compiler_version(&v).await.unwrap_err();
assert!(matches!(err, EtherscanError::MissingSolcVersion(_)));
})
.await
}
}