Test the Deployer contract

processor/ethereum/deployer/src/tests.rs

@@ -0,0 +1,107 @@
+use std::sync::Arc;
+
+use alloy_rpc_types_eth::{TransactionInput, TransactionRequest};
+use alloy_simple_request_transport::SimpleRequest;
+use alloy_rpc_client::ClientBuilder;
+use alloy_provider::{Provider, RootProvider};
+
+use alloy_node_bindings::Anvil;
+
+use crate::{
+  abi::Deployer::{PriorDeployed, DeploymentFailed, DeployerErrors},
+  Deployer,
+};
+
+#[tokio::test]
+async fn test_deployer() {
+  const CANCUN: &str = "cancun";
+  const LATEST: &str = "latest";
+
+  for network in [CANCUN, LATEST] {
+    let anvil = Anvil::new().arg("--hardfork").arg(network).spawn();
+
+    let provider = Arc::new(RootProvider::new(
+      ClientBuilder::default().transport(SimpleRequest::new(anvil.endpoint()), true),
+    ));
+
+    // Deploy the Deployer
+    {
+      let deployment_tx = Deployer::deployment_tx();
+      let gas_programmed = deployment_tx.tx().gas_limit;
+      let receipt = ethereum_test_primitives::publish_tx(&provider, deployment_tx).await;
+      assert!(receipt.status());
+      assert_eq!(receipt.contract_address.unwrap(), Deployer::address());
+
+      if network == CANCUN {
+        // Check the gas programmed was twice the gas used
+        // We only check this for cancun as the constant was programmed per cancun's gas pricing
+        assert_eq!(2 * receipt.gas_used, gas_programmed);
+      }
+    }
+
+    // Deploy the deployer with the deployer
+    let mut deploy_tx = Deployer::deploy_tx(crate::BYTECODE.to_vec());
+    deploy_tx.gas_price = 100_000_000_000u128;
+    deploy_tx.gas_limit = 1_000_000;
+    {
+      let deploy_tx = ethereum_primitives::deterministically_sign(deploy_tx.clone());
+      let receipt = ethereum_test_primitives::publish_tx(&provider, deploy_tx).await;
+      assert!(receipt.status());
+    }
+
+    // Verify we can now find the deployer
+    {
+      let deployer = Deployer::new(provider.clone()).await.unwrap().unwrap();
+      let deployed_deployer = deployer
+        .find_deployment(ethereum_primitives::keccak256(crate::BYTECODE))
+        .await
+        .unwrap()
+        .unwrap();
+      assert_eq!(
+        provider.get_code_at(deployed_deployer).await.unwrap(),
+        provider.get_code_at(Deployer::address()).await.unwrap(),
+      );
+      assert!(deployed_deployer != Deployer::address());
+    }
+
+    // Verify deploying the same init code multiple times fails
+    {
+      let mut deploy_tx = deploy_tx;
+      // Change the gas price to cause a distinct message, and with it, a distinct signer
+      deploy_tx.gas_price += 1;
+      let deploy_tx = ethereum_primitives::deterministically_sign(deploy_tx);
+      let receipt = ethereum_test_primitives::publish_tx(&provider, deploy_tx.clone()).await;
+      assert!(!receipt.status());
+
+      let call = TransactionRequest::default()
+        .to(Deployer::address())
+        .input(TransactionInput::new(deploy_tx.tx().input.clone()));
+      let call_err = provider.call(&call).await.unwrap_err();
+      assert!(matches!(
+        call_err.as_error_resp().unwrap().as_decoded_error::<DeployerErrors>(true).unwrap(),
+        DeployerErrors::PriorDeployed(PriorDeployed {}),
+      ));
+    }
+
+    // Verify deployment failures yield errors properly
+    {
+      // 0xfe is an invalid opcode which is guaranteed to remain invalid
+      let mut deploy_tx = Deployer::deploy_tx(vec![0xfe]);
+      deploy_tx.gas_price = 100_000_000_000u128;
+      deploy_tx.gas_limit = 1_000_000;
+
+      let deploy_tx = ethereum_primitives::deterministically_sign(deploy_tx);
+      let receipt = ethereum_test_primitives::publish_tx(&provider, deploy_tx.clone()).await;
+      assert!(!receipt.status());
+
+      let call = TransactionRequest::default()
+        .to(Deployer::address())
+        .input(TransactionInput::new(deploy_tx.tx().input.clone()));
+      let call_err = provider.call(&call).await.unwrap_err();
+      assert!(matches!(
+        call_err.as_error_resp().unwrap().as_decoded_error::<DeployerErrors>(true).unwrap(),
+        DeployerErrors::DeploymentFailed(DeploymentFailed {}),
+      ));
+    }
+  }
+}