feat: implement Artifact for serde_json (#885)

ethers-solc/src/artifact_output.rs

@@ -565,3 +565,16 @@ impl ArtifactOutput for MinimalCombinedArtifactsHardhatFallback {
         MinimalCombinedArtifacts::contract_to_artifact(file, name, contract)
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn is_artifact() {
+        fn assert_artifact<T: Artifact>() {}
+
+        assert_artifact::<CompactContractBytecode>();
+        assert_artifact::<serde_json::Value>();
+    }
+}

ethers-solc/src/artifacts.rs

@@ -801,7 +801,7 @@ impl From<Contract> for ContractBytecode {
 ///
 /// Unlike `CompactContractSome` which contains the `BytecodeObject`, this holds the whole
 /// `Bytecode` object.
-#[derive(Clone, Debug, Serialize, Deserialize, PartialEq)]
+#[derive(Clone, Debug, Default, Serialize, Deserialize, PartialEq)]
 pub struct CompactContractBytecode {
     /// The Ethereum Contract ABI. If empty, it is represented as an empty
     /// array. See https://docs.soliditylang.org/en/develop/abi-spec.html
@@ -1002,6 +1002,12 @@ impl From<serde_json::Value> for CompactContract {
     }
 }
 
+impl From<serde_json::Value> for CompactContractBytecode {
+    fn from(val: serde_json::Value) -> Self {
+        serde_json::from_value(val).unwrap_or_default()
+    }
+}
+
 impl From<ContractBytecode> for CompactContract {
     fn from(c: ContractBytecode) -> Self {
         let ContractBytecode { abi, bytecode, deployed_bytecode } = c;