feat(solc): add support for library linking

CHANGELOG.md

@@ -19,6 +19,8 @@
 
 - Return cached artifacts from project `compile` when the cache only contains
   some files
+- Add support for library linking and make `Bytecode`'s `object` filed an `enum BytecodeObject`
+  [#656](https://github.com/gakonst/ethers-rs/pull/656).
 
 ### 0.6.0
 

ethers-contract/src/factory.rs

@@ -122,7 +122,7 @@ impl<M: Middleware> Deployer<M> {
 /// let client = std::sync::Arc::new(client);
 ///
 /// // create a factory which will be used to deploy instances of the contract
-/// let factory = ContractFactory::new(contract.abi.unwrap().clone(), contract.bin.unwrap().clone(), client);
+/// let factory = ContractFactory::new(contract.abi.unwrap().clone(), contract.bytecode().unwrap().clone(), client);
 ///
 /// // The deployer created by the `deploy` call exposes a builder which gets consumed
 /// // by the async `send` call

ethers-contract/tests/abigen.rs

@@ -293,7 +293,7 @@ async fn can_handle_underscore_functions() {
     let compiled = compiled.get(path, contract).unwrap();
     let factory = ethers_contract::ContractFactory::new(
         compiled.abi.unwrap().clone(),
-        compiled.bin.unwrap().clone(),
+        compiled.bytecode().unwrap().clone(),
         client.clone(),
     );
     let addr = factory.deploy("hi".to_string()).unwrap().legacy().send().await.unwrap().address();

ethers-contract/tests/common/mod.rs

@@ -33,7 +33,8 @@ pub fn compile_contract(name: &str, filename: &str) -> (Abi, Bytes) {
     let path = format!("./tests/solidity-contracts/{}", filename);
     let compiled = Solc::default().compile_source(&path).unwrap();
     let contract = compiled.get(&path, name).expect("could not find contract");
-    (contract.abi.unwrap().clone(), contract.bin.unwrap().clone())
+    let (abi, bin, _) = contract.into_parts_or_default();
+    (abi, bin)
 }
 
 /// connects the private key to http://localhost:8545

ethers-middleware/tests/signer.rs

@@ -223,7 +223,8 @@ async fn deploy_and_call_contract() {
         let path = format!("./tests/solidity-contracts/{}", path);
         let compiled = Solc::default().compile_source(&path).unwrap();
         let contract = compiled.get(&path, name).expect("could not find contract");
-        (contract.abi.unwrap().clone(), contract.bin.unwrap().clone())
+        let (abi, bin, _) = contract.into_parts_or_default();
+        (abi, bin)
     }
 
     let (abi, bytecode) = compile_contract("SimpleStorage.sol", "SimpleStorage");

ethers-middleware/tests/transformer.rs

@@ -19,7 +19,8 @@ fn compile_contract(path: &str, name: &str) -> (Abi, Bytes) {
     let path = format!("./tests/solidity-contracts/{}", path);
     let compiled = Solc::default().compile_source(&path).unwrap();
     let contract = compiled.get(&path, name).expect("could not find contract");
-    (contract.abi.unwrap().clone(), contract.bin.unwrap().clone())
+    let (abi, bin, _) = contract.into_parts_or_default();
+    (abi, bin)
 }
 
 #[tokio::test]

ethers-solc/Cargo.toml

@@ -31,6 +31,7 @@ svm = { package = "svm-rs", version = "0.2.0", optional = true }
 glob = "0.3.0"
 tracing = "0.1.29"
 num_cpus = "1.13.0"
+tiny-keccak = { version = "2.0.2", default-features = false }
 
 [target.'cfg(not(any(target_arch = "x86", target_arch = "x86_64")))'.dependencies]
 sha2 = { version = "0.9.8", default-features = false }

ethers-solc/benches/compile_many.rs

@@ -40,10 +40,6 @@ fn load_compiler_inputs() -> Vec<CompilerInput> {
         .take(5)
     {
         let file = file.unwrap();
-        if file.path().to_string_lossy().as_ref().ends_with("20.json") {
-            // TODO needs support for parsing library placeholders first
-            continue
-        }
         let input = std::fs::read_to_string(file.path()).unwrap();
         let input: CompilerInput = serde_json::from_str(&input).unwrap();
         inputs.push(input);