feat(forge): Paris & Shanghai support & add prevrandao cheatcode (f…

…oundry-rs#4856)

* chore: upgrade default evm version to shanghai for optimizoors

* fix: make test runner actually respect evm_version

* chore: clippy?

* chore: add paris and shanghai to available evm versions but run london on tests

* chore: add missing post-merge block properties

* chore: poc on checking for shanghai compat per RPC

* chore: dedupe evm_spec fn

* feat: set default test runner config to shanghai

* feat: add prevrandao cheatcode

* chore: modify tests to use prevrandao

* chore: fmt

* chore: test out comp by setting solc 0.8.19

* chore: improve warning message

* chore: unpin solidity version, fmt

* chore: pin things to ethers default (merge) instead of shanghai

* chore: clippy

* chore: force forge tests to use at least 0.8.19

* feat: fix fixtures and other test-related compiler errors

* chore: add missing semicolons to failed compiler run msg

* chore: fix last complaining test

* chore: fix remaining tests

* chore: format warning as yellow, use Chain type instead of raw U256s

* chore: correct difficulty for prevrandao

* chore: make testconfig evm spec nicely configurable

* feat: add Shanghai compat test (thanks karmacoma and vex)

* chore: make own folder for evm spec tests

* chore: move shanghai compat test to its own spec folder

* chore: remove duplicated function

* Apply suggestions from code review

Co-authored-by: DaniPopes <[email protected]>

* feat: rewrite shanghai support check to be more efficient

* chore: use any

* chore: fmt

* chore: show chain IDs that are unsupported

* chore: point out unsupported chain IDs explicitly in message

---------

Co-authored-by: DaniPopes <[email protected]>

Cargo.toml

@@ -59,7 +59,7 @@ panic = "abort"
 codegen-units = 1
 
 [workspace.dependencies]
-ethers = { version = "2", default-features = false }
+ethers = { version = "2.0.4", default-features = false }
 ethers-addressbook = { version = "2", default-features = false }
 ethers-core = { version = "2", default-features = false }
 ethers-contract = { version = "2", default-features = false }

anvil/src/eth/backend/mem/mod.rs

@@ -1442,6 +1442,7 @@ impl Backend {
             nonce: Some(nonce),
             base_fee_per_gas,
             other: Default::default(),
+            ..Default::default()
         }
     }
 

chisel/src/executor.rs

@@ -252,7 +252,7 @@ impl SessionSource {
             .with_config(env)
             .with_chisel_state(final_pc)
             .set_tracing(true)
-            .with_spec(foundry_cli::utils::evm_spec(&self.config.foundry_config.evm_version))
+            .with_spec(foundry_evm::utils::evm_spec(&self.config.foundry_config.evm_version))
             .with_gas_limit(self.config.evm_opts.gas_limit())
             .with_cheatcodes(CheatsConfig::new(&self.config.foundry_config, &self.config.evm_opts))
             .build(backend);

cli/Cargo.toml

@@ -18,6 +18,7 @@ foundry-utils = { path = "../utils" }
 forge = { path = "../forge" }
 foundry-config = { path = "../config" }
 foundry-common = { path = "../common" }
+foundry-evm = { path = "../evm" }
 cast = { path = "../cast" }
 ui = { path = "../ui" }
 

cli/src/cmd/cast/run.rs

@@ -20,6 +20,7 @@ use forge::{
     utils::h256_to_b256,
 };
 use foundry_config::{find_project_root_path, Config};
+use foundry_evm::utils::evm_spec;
 use std::{collections::BTreeMap, str::FromStr};
 use tracing::trace;
 use ui::{TUIExitReason, Tui, Ui};
@@ -92,9 +93,8 @@ impl RunArgs {
 
         // configures a bare version of the evm executor: no cheatcode inspector is enabled,
         // tracing will be enabled only for the targeted transaction
-        let builder = ExecutorBuilder::default()
-            .with_config(env)
-            .with_spec(crate::utils::evm_spec(&config.evm_version));
+        let builder =
+            ExecutorBuilder::default().with_config(env).with_spec(evm_spec(&config.evm_version));
 
         let mut executor = builder.build(db);
 

cli/src/cmd/forge/coverage.rs

@@ -4,7 +4,7 @@ use crate::{
         forge::{build::CoreBuildArgs, install, test::FilterArgs},
         Cmd, LoadConfig,
     },
-    utils::{self, p_println, STATIC_FUZZ_SEED},
+    utils::{p_println, STATIC_FUZZ_SEED},
 };
 use clap::{Parser, ValueEnum};
 use ethers::{
@@ -29,6 +29,7 @@ use forge::{
 };
 use foundry_common::{compile::ProjectCompiler, evm::EvmArgs, fs};
 use foundry_config::Config;
+use foundry_evm::utils::evm_spec;
 use semver::Version;
 use std::{collections::HashMap, sync::mpsc::channel, thread};
 use tracing::trace;
@@ -266,7 +267,7 @@ impl CoverageArgs {
         let root = project.paths.root;
 
         // Build the contract runner
-        let evm_spec = utils::evm_spec(&config.evm_version);
+        let evm_spec = evm_spec(&config.evm_version);
         let env = evm_opts.evm_env_blocking()?;
         let mut runner = MultiContractRunnerBuilder::default()
             .initial_balance(evm_opts.initial_balance)