feat: add ArtifactId::identifier()

.github/workflows/ci.yml

@@ -126,7 +126,7 @@ jobs:
       - name: cargo fmt
         run: cargo +nightly-2022-03-20 fmt --all -- --check
       - name: cargo clippy
-        run: cargo +nightly-2022-03-20 clippy --all --all-features -- -D warnings
+        run: cargo +nightly-2022-03-20 clippy --all-features -- -D warnings
 
   wasm:
     name: WASM

ethers-solc/src/artifact_output/mod.rs

@@ -36,9 +36,18 @@ pub struct ArtifactId {
 
 impl ArtifactId {
     /// Returns a <filename>:<name> slug that identifies an artifact
+    ///
+    /// Note: This identifier is not necessarily unique. If two contracts have the same name, they
+    /// will share the same slug. For a unique identifier see [ArtifactId::identifier].
     pub fn slug(&self) -> String {
         format!("{}.json:{}", self.path.file_stem().unwrap().to_string_lossy(), self.name)
     }
+
+    /// Returns a <source path>:<name> slug that uniquely identifies an artifact
+    pub fn identifier(&self) -> String {
+        format!("{}:{}", self.source.to_string_lossy(), self.name)
+    }
+
     /// Returns a <filename><version>:<name> slug that identifies an artifact
     pub fn slug_versioned(&self) -> String {
         format!(