Add dedicated crate for building Solidity contracts

processor/ethereum/contracts/Cargo.toml

@@ -18,3 +18,6 @@ workspace = true
 
 [dependencies]
 alloy-sol-types = { version = "0.8", default-features = false }
+
+[build-dependencies]
+build-solidity-contracts = { path = "../../../networks/ethereum/build-contracts" }

processor/ethereum/contracts/build.rs

@@ -1,45 +1,3 @@
-use std::process::Command;
-
 fn main() {
-  println!("cargo:rerun-if-changed=contracts/*");
-  println!("cargo:rerun-if-changed=artifacts/*");
-
-  for line in String::from_utf8(Command::new("solc").args(["--version"]).output().unwrap().stdout)
-    .unwrap()
-    .lines()
-  {
-    if let Some(version) = line.strip_prefix("Version: ") {
-      let version = version.split('+').next().unwrap();
-      assert_eq!(version, "0.8.25");
-    }
-  }
-
-  #[rustfmt::skip]
-  let args = [
-    "--base-path", ".",
-    "-o", "./artifacts", "--overwrite",
-    "--bin", "--abi",
-    "--via-ir", "--optimize",
-
-    "./contracts/IERC20.sol",
-
-    "./contracts/Schnorr.sol",
-    "./contracts/Deployer.sol",
-    "./contracts/Sandbox.sol",
-    "./contracts/Router.sol",
-
-    "./contracts/tests/Schnorr.sol",
-    "./contracts/tests/ERC20.sol",
-
-    "--no-color",
-  ];
-  let solc = Command::new("solc").args(args).output().unwrap();
-  assert!(solc.status.success());
-  let stderr = String::from_utf8(solc.stderr).unwrap();
-  for line in stderr.lines() {
-    if line.contains("Error:") {
-      println!("{stderr}");
-      panic!()
-    }
-  }
+  build_solidity_contracts::build("contracts", "artifacts").unwrap();
 }