Fix formtting and clippy

* pin the version of geth used in CI

* pin the version of geth used in CI

* temp: run on each push

* pin the version of geth used in CI

* Make geth installation arch dependent

* Remove temp run on push to branch

* Add a comment on the need for pre-built binaries

.github/workflows/test.yml

@@ -99,9 +99,28 @@ jobs:
       - name: Install Geth on Ubuntu
         if: matrix.os == 'ubuntu-24.04'
         run: |
-          sudo add-apt-repository -y ppa:ethereum/ethereum
           sudo apt-get update
-          sudo apt-get install -y ethereum protobuf-compiler
+          sudo apt-get install -y protobuf-compiler
+
+          # We were facing some issues in CI with the 1.16.* versions of geth, and specifically on
+          # Ubuntu. Eventually, we found out that the last version of geth that worked in our CI was
+          # version 1.15.11. Thus, this is the version that we want to use in CI. The PPA sadly does
+          # not have historic versions of Geth and therefore we need to resort to downloading pre
+          # built binaries for Geth and the surrounding tools which is what the following parts of 
+          # the script do.
+
+          sudo apt-get install -y wget ca-certificates tar
+          ARCH=$(uname -m)
+          if [ "$ARCH" = "x86_64" ]; then
+            URL="https://gethstore.blob.core.windows.net/builds/geth-alltools-linux-amd64-1.15.11-36b2371c.tar.gz"
+          elif [ "$ARCH" = "aarch64" ]; then
+            URL="https://gethstore.blob.core.windows.net/builds/geth-alltools-linux-arm64-1.15.11-36b2371c.tar.gz"
+          else
+            echo "Unsupported architecture: $ARCH"
+            exit 1
+          fi
+          wget -qO- "$URL" | sudo tar xz -C /usr/local/bin --strip-components=1
+          geth --version
 
       - name: Install Geth on macOS
         if: matrix.os == 'macos-14'

.gitignore

@@ -3,3 +3,7 @@
 .DS_Store
 node_modules
 /*.json
+
+# We do not want to commit any log files that we produce from running the code locally so this is 
+# added to the .gitignore file.
+*.log

Cargo.lock

@@ -67,9 +67,9 @@ checksum = "683d7910e743518b0e34f1186f92494becacb047c7b6bf616c96772180fef923"
 
 [[package]]
 name = "alloy"
-version = "1.0.9"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0093d23bf026b580c1f66ed3a053d8209c104a446c5264d3ad99587f6edef24e"
+checksum = "ae58d888221eecf621595e2096836ce7cfc37be06bfa39d7f64aa6a3ea4c9e5b"
 dependencies = [
  "alloy-consensus",
  "alloy-contract",
@@ -162,9 +162,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-core"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3c5a28f166629752f2e7246b813cdea3243cca59aab2d4264b1fd68392c10eb"
+checksum = "ad31216895d27d307369daa1393f5850b50bbbd372478a9fa951c095c210627e"
 dependencies = [
  "alloy-dyn-abi",
  "alloy-json-abi",
@@ -175,9 +175,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-dyn-abi"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18cc14d832bc3331ca22a1c7819de1ede99f58f61a7d123952af7dde8de124a6"
+checksum = "7b95b3deca680efc7e9cba781f1a1db352fa1ea50e6384a514944dcf4419e652"
 dependencies = [
  "alloy-json-abi",
  "alloy-primitives",
@@ -260,9 +260,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-json-abi"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ccaa79753d7bf15f06399ea76922afbfaf8d18bebed9e8fc452984b4a90dcc9"
+checksum = "15516116086325c157c18261d768a20677f0f699348000ed391d4ad0dcb82530"
 dependencies = [
  "alloy-primitives",
  "alloy-sol-type-parser",
@@ -325,9 +325,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-primitives"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18c35fc4b03ace65001676358ffbbaefe2a2b27ee50fe777c345082c7c888be8"
+checksum = "6177ed26655d4e84e00b65cb494d4e0b8830e7cae7ef5d63087d445a2600fb55"
 dependencies = [
  "alloy-rlp",
  "bytes",
@@ -575,9 +575,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-sol-macro"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8612e0658964d616344f199ab251a49d48113992d81b92dab93ed855faa66383"
+checksum = "a14f21d053aea4c6630687c2f4ad614bed4c81e14737a9b904798b24f30ea849"
 dependencies = [
  "alloy-sol-macro-expander",
  "alloy-sol-macro-input",
@@ -589,9 +589,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-sol-macro-expander"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a384edac7283bc4c010a355fb648082860c04b826bb7a814c45263c8f304c74"
+checksum = "34d99282e7c9ef14eb62727981a985a01869e586d1dec729d3bb33679094c100"
 dependencies = [
  "alloy-json-abi",
  "alloy-sol-macro-input",
@@ -608,9 +608,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-sol-macro-input"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0dd588c2d516da7deb421b8c166dc60b7ae31bca5beea29ab6621fcfa53d6ca5"
+checksum = "eda029f955b78e493360ee1d7bd11e1ab9f2a220a5715449babc79d6d0a01105"
 dependencies = [
  "alloy-json-abi",
  "const-hex",
@@ -626,9 +626,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-sol-type-parser"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e86ddeb70792c7ceaad23e57d52250107ebbb86733e52f4a25d8dc1abc931837"
+checksum = "10db1bd7baa35bc8d4a1b07efbf734e73e5ba09f2580fb8cee3483a36087ceb2"
 dependencies = [
  "serde",
  "winnow",
@@ -636,9 +636,9 @@ dependencies = [
 
 [[package]]
 name = "alloy-sol-types"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "584cb97bfc5746cb9dcc4def77da11694b5d6d7339be91b7480a6a68dc129387"
+checksum = "58377025a47d8b8426b3e4846a251f2c1991033b27f517aade368146f6ab1dfe"
 dependencies = [
  "alloy-json-abi",
  "alloy-primitives",
@@ -2071,29 +2071,6 @@ dependencies = [
  "syn 2.0.101",
 ]
 
-[[package]]
-name = "env_filter"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "186e05a59d4c50738528153b83b0b0194d3a29507dfec16eccd4b342903397d0"
-dependencies = [
- "log",
- "regex",
-]
-
-[[package]]
-name = "env_logger"
-version = "0.11.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13c863f0904021b108aa8b2f55046443e6b1ebde8fd4a15c399893aae4fa069f"
-dependencies = [
- "anstream",
- "anstyle",
- "env_filter",
- "jiff",
- "log",
-]
-
 [[package]]
 name = "environmental"
 version = "1.1.4"
@@ -2962,30 +2939,6 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
-[[package]]
-name = "jiff"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a194df1107f33c79f4f93d02c80798520551949d59dfad22b6157048a88cca93"
-dependencies = [
- "jiff-static",
- "log",
- "portable-atomic",
- "portable-atomic-util",
- "serde",
-]
-
-[[package]]
-name = "jiff-static"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c6e1db7ed32c6c71b759497fae34bf7933636f75a251b9e736555da426f6442"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.101",
-]
-
 [[package]]
 name = "js-sys"
 version = "0.3.77"
@@ -3597,21 +3550,6 @@ dependencies = [
  "syn 2.0.101",
 ]
 
-[[package]]
-name = "portable-atomic"
-version = "1.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "350e9b48cbc6b0e028b0473b114454c6316e57336ee184ceab6e53f72c178b3e"
-
-[[package]]
-name = "portable-atomic-util"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8a2f0d8d040d7848a709caf78912debcc3f33ee4b3cac47d73d1e1069e83507"
-dependencies = [
- "portable-atomic",
-]
-
 [[package]]
 name = "potential_utf"
 version = "0.1.2"
@@ -3997,13 +3935,13 @@ name = "revive-dt-compiler"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "log",
  "revive-common",
  "revive-dt-config",
  "revive-dt-solc-binaries",
  "revive-solc-json-interface",
  "semver 1.0.26",
  "serde_json",
+ "tracing",
 ]
 
 [[package]]
@@ -4024,8 +3962,6 @@ dependencies = [
  "alloy",
  "anyhow",
  "clap",
- "env_logger",
- "log",
  "rayon",
  "revive-dt-compiler",
  "revive-dt-config",
@@ -4034,7 +3970,10 @@ dependencies = [
  "revive-dt-node-interaction",
  "revive-dt-report",
  "revive-solc-json-interface",
+ "serde_json",
  "temp-dir",
+ "tracing",
+ "tracing-subscriber",
 ]
 
 [[package]]
@@ -4042,11 +3981,13 @@ name = "revive-dt-format"
 version = "0.1.0"
 dependencies = [
  "alloy",
+ "alloy-primitives",
+ "alloy-sol-types",
  "anyhow",
- "log",
  "semver 1.0.26",
  "serde",
  "serde_json",
+ "tracing",
 ]
 
 [[package]]
@@ -4055,13 +3996,15 @@ version = "0.1.0"
 dependencies = [
  "alloy",
  "anyhow",
- "log",
  "revive-dt-config",
  "revive-dt-node-interaction",
+ "serde",
  "serde_json",
  "sp-core",
  "sp-runtime",
  "temp-dir",
+ "tokio",
+ "tracing",
 ]
 
 [[package]]
@@ -4070,9 +4013,9 @@ version = "0.1.0"
 dependencies = [
  "alloy",
  "anyhow",
- "log",
  "once_cell",
  "tokio",
+ "tracing",
 ]
 
 [[package]]
@@ -4080,12 +4023,12 @@ name = "revive-dt-report"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "log",
  "revive-dt-config",
  "revive-dt-format",
  "revive-solc-json-interface",
  "serde",
  "serde_json",
+ "tracing",
 ]
 
 [[package]]
@@ -4094,11 +4037,11 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "hex",
- "log",
  "reqwest",
  "semver 1.0.26",
  "serde",
  "sha2 0.10.9",
+ "tracing",
 ]
 
 [[package]]
@@ -5143,9 +5086,9 @@ dependencies = [
 
 [[package]]
 name = "syn-solidity"
-version = "1.1.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b5d879005cc1b5ba4e18665be9e9501d9da3a9b95f625497c4cb7ee082b532e"
+checksum = "b9ac494e7266fcdd2ad80bf4375d55d27a117ea5c866c26d0e97fe5b3caeeb75"
 dependencies = [
  "paste",
  "proc-macro2",
@@ -5566,6 +5509,16 @@ dependencies = [
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-serde"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "704b1aeb7be0d0a84fc9828cae51dab5970fee5088f83d1dd7ee6f6246fc6ff1"
+dependencies = [
+ "serde",
+ "tracing-core",
+]
+
 [[package]]
 name = "tracing-subscriber"
 version = "0.3.19"
@@ -5576,6 +5529,8 @@ dependencies = [
  "nu-ansi-term",
  "once_cell",
  "regex",
+ "serde",
+ "serde_json",
  "sharded-slab",
  "smallvec",
  "thread_local",
@@ -5583,6 +5538,7 @@ dependencies = [
  "tracing",
  "tracing-core",
  "tracing-log",
+ "tracing-serde",
 ]
 
 [[package]]

Cargo.toml

@@ -4,9 +4,7 @@ members = ["crates/*"]
 
 [workspace.package]
 version = "0.1.0"
-authors = [
-    "Parity Technologies <admin@parity.io>",
-]
+authors = ["Parity Technologies <admin@parity.io>"]
 license = "MIT/Apache-2.0"
 edition = "2024"
 repository = "https://github.com/paritytech/revive-differential-testing.git"
@@ -23,24 +21,35 @@ revive-dt-node-pool = { version = "0.1.0", path = "crates/node-pool" }
 revive-dt-report = { version = "0.1.0", path = "crates/report" }
 revive-dt-solc-binaries = { version = "0.1.0", path = "crates/solc-binaries" }
 
+alloy-primitives = "1.2.1"
+alloy-sol-types = "1.2.1"
 anyhow = "1.0"
 clap = { version = "4", features = ["derive"] }
-env_logger = "0.11.8"
 hex = "0.4.3"
 reqwest = { version = "0.12.15", features = ["blocking", "json"] }
-log = "0.4.27"
 once_cell = "1.21"
 rayon = { version = "1.10" }
 semver = { version = "1.0", features = ["serde"] }
 serde = { version = "1.0", default-features = false, features = ["derive"] }
-serde_json = { version = "1.0", default-features = false, features = ["arbitrary_precision", "std"] }
+serde_json = { version = "1.0", default-features = false, features = [
+    "arbitrary_precision",
+    "std",
+] }
 sha2 = { version = "0.10.9" }
 sp-core = "36.1.0"
 sp-runtime = "41.1.0"
 temp-dir = { version = "0.1.16" }
 tempfile = "3.3"
-tokio = { version = "1", default-features = false, features = ["rt-multi-thread"] }
+tokio = { version = "1", default-features = false, features = [
+    "rt-multi-thread",
+] }
 uuid = { version = "1.8", features = ["v4"] }
+tracing = "0.1.41"
+tracing-subscriber = { version = "0.3.19", default-features = false, features = [
+    "fmt",
+    "json",
+    "env-filter",
+] }
 
 # revive compiler
 revive-solc-json-interface = { git = "https://github.com/paritytech/revive", rev = "3389865af7c3ff6f29a586d82157e8bc573c1a8e" }
@@ -59,6 +68,9 @@ features = [
     "rpc-types",
     "signer-local",
     "std",
+    "network",
+    "serde",
+    "rpc-types-eth",
 ]
 
 [profile.bench]

crates/compiler/Cargo.toml

@@ -16,4 +16,4 @@ revive-dt-solc-binaries = { workspace = true }
 revive-common = { workspace = true }
 semver = { workspace = true }
 serde_json = { workspace = true }
-log = { workspace = true }
+tracing = { workspace = true }

crates/compiler/src/revive_resolc.rs

@@ -42,7 +42,7 @@ impl SolidityCompiler for Resolc {
 
         if !output.status.success() {
             let message = String::from_utf8_lossy(&stderr);
-            log::error!(
+            tracing::error!(
                 "resolc failed exit={} stderr={} JSON-in={} ",
                 output.status,
                 &message,

crates/compiler/src/solc.rs

@@ -34,7 +34,7 @@ impl SolidityCompiler for Solc {
 
         if !output.status.success() {
             let message = String::from_utf8_lossy(&output.stderr);
-            log::error!("solc failed exit={} stderr={}", output.status, &message);
+            tracing::error!("solc failed exit={} stderr={}", output.status, &message);
             return Ok(CompilerOutput {
                 input,
                 output: Default::default(),

crates/config/src/lib.rs

@@ -1,4 +1,4 @@
-//! The global configuration used accross all revive differential testing crates.
+//! The global configuration used across all revive differential testing crates.
 
 use std::{
     fmt::Display,

crates/core/Cargo.toml

@@ -23,8 +23,9 @@ revive-dt-report = { workspace = true }
 alloy = { workspace = true }
 anyhow = { workspace = true }
 clap = { workspace = true }
-log = { workspace = true }
-env_logger = { workspace = true }
+tracing = { workspace = true }
+tracing-subscriber = { workspace = true }
 rayon = { workspace = true }
 revive-solc-json-interface = { workspace = true }
+serde_json = { workspace = true }
 temp-dir = { workspace = true }

crates/core/src/driver/mod.rs

@@ -1,12 +1,14 @@
 //! The test driver handles the compilation and execution of the test cases.
 
+use alloy::json_abi::JsonAbi;
 use alloy::primitives::Bytes;
-use alloy::rpc::types::TransactionInput;
+use alloy::rpc::types::trace::geth::GethTrace;
+use alloy::rpc::types::{TransactionInput, TransactionReceipt};
 use alloy::{
     primitives::{Address, TxKind, map::HashMap},
     rpc::types::{
-        TransactionReceipt, TransactionRequest,
-        trace::geth::{AccountState, DiffMode, GethTrace},
+        TransactionRequest,
+        trace::geth::{AccountState, DiffMode},
     },
 };
 use revive_dt_compiler::{Compiler, CompilerInput, SolidityCompiler};
@@ -15,6 +17,9 @@ use revive_dt_format::{input::Input, metadata::Metadata, mode::SolcMode};
 use revive_dt_node_interaction::EthereumNode;
 use revive_dt_report::reporter::{CompilationTask, Report, Span};
 use revive_solc_json_interface::SolcStandardJsonOutput;
+use serde_json::Value;
+use std::collections::HashMap as StdHashMap;
+use tracing::Level;
 
 use crate::Platform;
 
@@ -27,7 +32,8 @@ pub struct State<'a, T: Platform> {
     config: &'a Arguments,
     span: Span,
     contracts: Contracts<T>,
-    deployed_contracts: HashMap<String, Address>,
+    deployed_contracts: StdHashMap<String, Address>,
+    deployed_abis: StdHashMap<String, JsonAbi>,
 }
 
 impl<'a, T> State<'a, T>
@@ -40,6 +46,7 @@ where
             span,
             contracts: Default::default(),
             deployed_contracts: Default::default(),
+            deployed_abis: Default::default(),
         }
     }
 
@@ -67,7 +74,7 @@ where
             .solc_optimizer(mode.solc_optimize());
 
         for (file, _contract) in metadata.contract_sources()?.values() {
-            log::debug!("contract source {}", file.display());
+            tracing::debug!("contract source {}", file.display());
             compiler = compiler.with_source(file)?;
         }
 
@@ -90,11 +97,13 @@ where
                     if let Some(contracts) = &last_output.contracts {
                         for (file, contracts_map) in contracts {
                             for contract_name in contracts_map.keys() {
-                                log::debug!("Compiled contract: {contract_name} from file: {file}");
+                                tracing::debug!(
+                                    "Compiled contract: {contract_name} from file: {file}"
+                                );
                             }
                         }
                     } else {
-                        log::warn!("Compiled contracts field is None");
+                        tracing::warn!("Compiled contracts field is None");
                     }
                 }
 
@@ -102,7 +111,7 @@ where
                 Ok(())
             }
             Err(error) => {
-                log::error!("Failed to compile contract: {:?}", error.to_string());
+                tracing::error!("Failed to compile contract: {:?}", error.to_string());
                 task.error = Some(error.to_string());
                 Err(error)
             }
@@ -114,11 +123,11 @@ where
         input: &Input,
         node: &T::Blockchain,
     ) -> anyhow::Result<(TransactionReceipt, GethTrace, DiffMode)> {
-        log::trace!("Calling execute_input for input: {input:?}");
+        tracing::trace!("Calling execute_input for input: {input:?}");
 
         let nonce = node.fetch_add_nonce(input.caller)?;
 
-        log::debug!(
+        tracing::debug!(
             "Nonce calculated on the execute contract, calculated nonce {}, for contract {}, having address {} on node: {}",
             &nonce,
             &input.instance,
@@ -126,22 +135,28 @@ where
             std::any::type_name::<T>()
         );
 
-        let tx =
-            match input.legacy_transaction(self.config.network_id, nonce, &self.deployed_contracts)
-            {
-                Ok(tx) => tx,
-                Err(err) => {
-                    log::error!("Failed to construct legacy transaction: {err:?}");
-                    return Err(err);
-                }
-            };
+        let tx = match input.legacy_transaction(
+            self.config.network_id,
+            nonce,
+            &self.deployed_contracts,
+            &self.deployed_abis,
+        ) {
+            Ok(tx) => {
+                tracing::debug!("Legacy transaction data: {tx:#?}");
+                tx
+            }
+            Err(err) => {
+                tracing::error!("Failed to construct legacy transaction: {err:?}");
+                return Err(err);
+            }
+        };
 
-        log::trace!("Executing transaction for input: {input:?}");
+        tracing::trace!("Executing transaction for input: {input:?}");
 
         let receipt = match node.execute_transaction(tx) {
             Ok(receipt) => receipt,
             Err(err) => {
-                log::error!(
+                tracing::error!(
                     "Failed to execute transaction when executing the contract: {}, {:?}",
                     &input.instance,
                     err
@@ -150,14 +165,14 @@ where
             }
         };
 
-        log::trace!(
+        tracing::trace!(
             "Transaction receipt for executed contract: {} - {:?}",
             &input.instance,
             receipt,
         );
 
         let trace = node.trace_transaction(receipt.clone())?;
-        log::trace!(
+        tracing::trace!(
             "Trace result for contract: {} - {:?}",
             &input.instance,
             trace
@@ -169,7 +184,7 @@ where
     }
 
     pub fn deploy_contracts(&mut self, input: &Input, node: &T::Blockchain) -> anyhow::Result<()> {
-        log::debug!(
+        tracing::debug!(
             "Deploying contracts {}, having address {} on node: {}",
             &input.instance,
             &input.caller,
@@ -177,7 +192,7 @@ where
         );
         for output in self.contracts.values() {
             let Some(contract_map) = &output.contracts else {
-                log::debug!(
+                tracing::debug!(
                     "No contracts in output — skipping deployment for this input {}",
                     &input.instance
                 );
@@ -186,14 +201,11 @@ where
 
             for contracts in contract_map.values() {
                 for (contract_name, contract) in contracts {
-                    log::debug!(
+                    tracing::debug!(
                         "Contract name is: {:?} and the input name is: {:?}",
                         &contract_name,
                         &input.instance
                     );
-                    if contract_name != &input.instance {
-                        continue;
-                    }
 
                     let bytecode = contract
                         .evm
@@ -202,13 +214,13 @@ where
                         .map(|b| b.object.clone());
 
                     let Some(code) = bytecode else {
-                        log::error!("no bytecode for contract {contract_name}");
+                        tracing::error!("no bytecode for contract {contract_name}");
                         continue;
                     };
 
                     let nonce = node.fetch_add_nonce(input.caller)?;
 
-                    log::debug!(
+                    tracing::debug!(
                         "Calculated nonce {}, for contract {}, having address {} on node: {}",
                         &nonce,
                         &input.instance,
@@ -230,7 +242,7 @@ where
                     let receipt = match node.execute_transaction(tx) {
                         Ok(receipt) => receipt,
                         Err(err) => {
-                            log::error!(
+                            tracing::error!(
                                 "Failed to execute transaction when deploying the contract on node : {:?}, {:?}, {:?}",
                                 std::any::type_name::<T>(),
                                 &contract_name,
@@ -240,7 +252,7 @@ where
                         }
                     };
 
-                    log::debug!(
+                    tracing::debug!(
                         "Deployment tx sent for {} with nonce {} → tx hash: {:?}, on node: {:?}",
                         contract_name,
                         nonce,
@@ -248,7 +260,7 @@ where
                         std::any::type_name::<T>(),
                     );
 
-                    log::trace!(
+                    tracing::trace!(
                         "Deployed transaction receipt for contract: {} - {:?}, on node: {:?}",
                         &contract_name,
                         receipt,
@@ -256,7 +268,7 @@ where
                     );
 
                     let Some(address) = receipt.contract_address else {
-                        log::error!(
+                        tracing::error!(
                             "contract {contract_name} deployment did not return an address"
                         );
                         continue;
@@ -264,17 +276,63 @@ where
 
                     self.deployed_contracts
                         .insert(contract_name.clone(), address);
-                    log::trace!(
+                    tracing::trace!(
                         "deployed contract `{}` at {:?}, on node {:?}",
                         contract_name,
                         address,
                         std::any::type_name::<T>()
                     );
+
+                    if let Some(Value::String(metadata_json_str)) = &contract.metadata {
+                        tracing::trace!(
+                            "metadata found for contract {contract_name}, {metadata_json_str}"
+                        );
+
+                        match serde_json::from_str::<serde_json::Value>(metadata_json_str) {
+                            Ok(metadata_json) => {
+                                if let Some(abi_value) =
+                                    metadata_json.get("output").and_then(|o| o.get("abi"))
+                                {
+                                    match serde_json::from_value::<JsonAbi>(abi_value.clone()) {
+                                        Ok(parsed_abi) => {
+                                            tracing::trace!(
+                                                "ABI found in metadata for contract {}",
+                                                &contract_name
+                                            );
+                                            self.deployed_abis
+                                                .insert(contract_name.clone(), parsed_abi);
+                                        }
+                                        Err(err) => {
+                                            anyhow::bail!(
+                                                "Failed to parse ABI from metadata for contract {}: {}",
+                                                contract_name,
+                                                err
+                                            );
+                                        }
+                                    }
+                                } else {
+                                    anyhow::bail!(
+                                        "No ABI found in metadata for contract {}",
+                                        contract_name
+                                    );
+                                }
+                            }
+                            Err(err) => {
+                                anyhow::bail!(
+                                    "Failed to parse metadata JSON string for contract {}: {}",
+                                    contract_name,
+                                    err
+                                );
+                            }
+                        }
+                    } else {
+                        anyhow::bail!("No metadata found for contract {}", contract_name);
+                    }
                 }
             }
         }
 
-        log::debug!("Available contracts: {:?}", self.deployed_contracts.keys());
+        tracing::debug!("Available contracts: {:?}", self.deployed_contracts.keys());
 
         Ok(())
     }
@@ -307,28 +365,28 @@ where
     }
 
     pub fn trace_diff_mode(label: &str, diff: &DiffMode) {
-        log::trace!("{label} - PRE STATE:");
+        tracing::trace!("{label} - PRE STATE:");
         for (addr, state) in &diff.pre {
             Self::trace_account_state("  [pre]", addr, state);
         }
 
-        log::trace!("{label} - POST STATE:");
+        tracing::trace!("{label} - POST STATE:");
         for (addr, state) in &diff.post {
             Self::trace_account_state("  [post]", addr, state);
         }
     }
 
     fn trace_account_state(prefix: &str, addr: &Address, state: &AccountState) {
-        log::trace!("{prefix} 0x{addr:x}");
+        tracing::trace!("{prefix} 0x{addr:x}");
 
         if let Some(balance) = &state.balance {
-            log::trace!("{prefix}   balance: {balance}");
+            tracing::trace!("{prefix}   balance: {balance}");
         }
         if let Some(nonce) = &state.nonce {
-            log::trace!("{prefix}   nonce: {nonce}");
+            tracing::trace!("{prefix}   nonce: {nonce}");
         }
         if let Some(code) = &state.code {
-            log::trace!("{prefix}   code: {code}");
+            tracing::trace!("{prefix}   code: {code}");
         }
     }
 
@@ -340,34 +398,75 @@ where
             let mut follower_state = State::<F>::new(self.config, span);
             follower_state.build_contracts(&mode, self.metadata)?;
 
-            for case in &self.metadata.cases {
-                for input in &case.inputs {
-                    log::debug!("Starting deploying contract {}", &input.instance);
-                    leader_state.deploy_contracts(input, self.leader_node)?;
-                    follower_state.deploy_contracts(input, self.follower_node)?;
+            for (case_idx, case) in self.metadata.cases.iter().enumerate() {
+                // Creating a tracing span to know which case within the metadata is being executed
+                // and which one we're getting logs for.
+                let tracing_span = tracing::span!(
+                    Level::INFO,
+                    "Executing case",
+                    case = case.name,
+                    case_idx = case_idx
+                );
+                let _guard = tracing_span.enter();
+
+                for input in &case.inputs {
+                    tracing::debug!("Starting deploying contract {}", &input.instance);
+                    if let Err(err) = leader_state.deploy_contracts(input, self.leader_node) {
+                        tracing::error!("Leader deployment failed for {}: {err}", input.instance);
+                        continue;
+                    } else {
+                        tracing::debug!("Leader deployment succeeded for {}", &input.instance);
+                    }
+
+                    if let Err(err) = follower_state.deploy_contracts(input, self.follower_node) {
+                        tracing::error!("Follower deployment failed for {}: {err}", input.instance);
+                        continue;
+                    } else {
+                        tracing::debug!("Follower deployment succeeded for {}", &input.instance);
+                    }
+
+                    tracing::debug!("Starting executing contract {}", &input.instance);
 
-                    log::debug!("Starting executing contract {}", &input.instance);
                     let (leader_receipt, _, leader_diff) =
-                        leader_state.execute_input(input, self.leader_node)?;
+                        match leader_state.execute_input(input, self.leader_node) {
+                            Ok(result) => result,
+                            Err(err) => {
+                                tracing::error!(
+                                    "Leader execution failed for {}: {err}",
+                                    input.instance
+                                );
+                                continue;
+                            }
+                        };
+
                     let (follower_receipt, _, follower_diff) =
-                        follower_state.execute_input(input, self.follower_node)?;
+                        match follower_state.execute_input(input, self.follower_node) {
+                            Ok(result) => result,
+                            Err(err) => {
+                                tracing::error!(
+                                    "Follower execution failed for {}: {err}",
+                                    input.instance
+                                );
+                                continue;
+                            }
+                        };
 
                     if leader_diff == follower_diff {
-                        log::debug!("State diffs match between leader and follower.");
+                        tracing::debug!("State diffs match between leader and follower.");
                     } else {
-                        log::debug!("State diffs mismatch between leader and follower.");
+                        tracing::debug!("State diffs mismatch between leader and follower.");
                         Self::trace_diff_mode("Leader", &leader_diff);
                         Self::trace_diff_mode("Follower", &follower_diff);
                     }
 
                     if leader_receipt.logs() != follower_receipt.logs() {
-                        log::debug!("Log/event mismatch between leader and follower.");
-                        log::trace!("Leader logs: {:?}", leader_receipt.logs());
-                        log::trace!("Follower logs: {:?}", follower_receipt.logs());
+                        tracing::debug!("Log/event mismatch between leader and follower.");
+                        tracing::trace!("Leader logs: {:?}", leader_receipt.logs());
+                        tracing::trace!("Follower logs: {:?}", follower_receipt.logs());
                     }
 
                     if leader_receipt.status() != follower_receipt.status() {
-                        log::debug!(
+                        tracing::debug!(
                             "Mismatch in status: leader = {}, follower = {}",
                             leader_receipt.status(),
                             follower_receipt.status()

crates/core/src/main.rs

@@ -8,10 +8,12 @@ use revive_dt_core::{
     Geth, Kitchensink, Platform,
     driver::{Driver, State},
 };
-use revive_dt_format::{corpus::Corpus, metadata::Metadata};
+use revive_dt_format::{corpus::Corpus, metadata::MetadataFile};
 use revive_dt_node::pool::NodePool;
 use revive_dt_report::reporter::{Report, Span};
 use temp_dir::TempDir;
+use tracing::Level;
+use tracing_subscriber::{EnvFilter, FmtSubscriber, fmt::format::FmtSpan};
 
 static TEMP_DIR: LazyLock<TempDir> = LazyLock::new(|| TempDir::new().unwrap());
 
@@ -33,7 +35,14 @@ fn main() -> anyhow::Result<()> {
 }
 
 fn init_cli() -> anyhow::Result<Arguments> {
-    env_logger::init();
+    let subscriber = FmtSubscriber::builder()
+        .with_thread_ids(true)
+        .with_thread_names(true)
+        .with_env_filter(EnvFilter::from_default_env())
+        .with_span_events(FmtSpan::ENTER | FmtSpan::CLOSE)
+        .pretty()
+        .finish();
+    tracing::subscriber::set_global_default(subscriber)?;
 
     let mut args = Arguments::parse();
 
@@ -51,7 +60,7 @@ fn init_cli() -> anyhow::Result<Arguments> {
             args.temp_dir = Some(&TEMP_DIR);
         }
     }
-    log::info!("workdir: {}", args.directory().display());
+    tracing::info!("workdir: {}", args.directory().display());
 
     ThreadPoolBuilder::new()
         .num_threads(args.workers)
@@ -60,21 +69,21 @@ fn init_cli() -> anyhow::Result<Arguments> {
     Ok(args)
 }
 
-fn collect_corpora(args: &Arguments) -> anyhow::Result<HashMap<Corpus, Vec<Metadata>>> {
+fn collect_corpora(args: &Arguments) -> anyhow::Result<HashMap<Corpus, Vec<MetadataFile>>> {
     let mut corpora = HashMap::new();
 
     for path in &args.corpus {
         let corpus = Corpus::try_from_path(path)?;
-        log::info!("found corpus: {}", path.display());
+        tracing::info!("found corpus: {}", path.display());
         let tests = corpus.enumerate_tests();
-        log::info!("corpus '{}' contains {} tests", &corpus.name, tests.len());
+        tracing::info!("corpus '{}' contains {} tests", &corpus.name, tests.len());
         corpora.insert(corpus, tests);
     }
 
     Ok(corpora)
 }
 
-fn run_driver<L, F>(args: &Arguments, tests: &[Metadata], span: Span) -> anyhow::Result<()>
+fn run_driver<L, F>(args: &Arguments, tests: &[MetadataFile], span: Span) -> anyhow::Result<()>
 where
     L: Platform,
     F: Platform,
@@ -84,34 +93,50 @@ where
     let leader_nodes = NodePool::<L::Blockchain>::new(args)?;
     let follower_nodes = NodePool::<F::Blockchain>::new(args)?;
 
-    tests.par_iter().for_each(|metadata| {
-        let mut driver = Driver::<L, F>::new(
-            metadata,
-            args,
-            leader_nodes.round_robbin(),
-            follower_nodes.round_robbin(),
-        );
+    tests.par_iter().for_each(
+        |MetadataFile {
+             content: metadata,
+             path: metadata_file_path,
+         }| {
+            // Starting a new tracing span for this metadata file. This allows our logs to be clear
+            // about which metadata file the logs belong to. We can add other information into this
+            // as well to be able to associate the logs with the correct metadata file and case
+            // that's being executed.
+            let tracing_span = tracing::span!(
+                Level::INFO,
+                "Running driver",
+                metadata_file_path = metadata_file_path.display().to_string(),
+            );
+            let _guard = tracing_span.enter();
 
-        match driver.execute(span) {
-            Ok(_) => {
-                log::info!(
-                    "metadata {} success",
-                    metadata.directory().as_ref().unwrap().display()
-                );
+            let mut driver = Driver::<L, F>::new(
+                metadata,
+                args,
+                leader_nodes.round_robbin(),
+                follower_nodes.round_robbin(),
+            );
+
+            match driver.execute(span) {
+                Ok(_) => {
+                    tracing::info!(
+                        "metadata {} success",
+                        metadata.directory().as_ref().unwrap().display()
+                    );
+                }
+                Err(error) => {
+                    tracing::warn!(
+                        "metadata {} failure: {error:?}",
+                        metadata.file_path.as_ref().unwrap().display()
+                    );
+                }
             }
-            Err(error) => {
-                log::warn!(
-                    "metadata {} failure: {error:?}",
-                    metadata.file_path.as_ref().unwrap().display()
-                );
-            }
-        }
-    });
+        },
+    );
 
     Ok(())
 }
 
-fn execute_corpus(args: &Arguments, tests: &[Metadata], span: Span) -> anyhow::Result<()> {
+fn execute_corpus(args: &Arguments, tests: &[MetadataFile], span: Span) -> anyhow::Result<()> {
     match (&args.leader, &args.follower) {
         (TestingPlatform::Geth, TestingPlatform::Kitchensink) => {
             run_driver::<Geth, Kitchensink>(args, tests, span)?
@@ -125,7 +150,12 @@ fn execute_corpus(args: &Arguments, tests: &[Metadata], span: Span) -> anyhow::R
     Ok(())
 }
 
-fn compile_corpus(config: &Arguments, tests: &[Metadata], platform: &TestingPlatform, span: Span) {
+fn compile_corpus(
+    config: &Arguments,
+    tests: &[MetadataFile],
+    platform: &TestingPlatform,
+    span: Span,
+) {
     tests.par_iter().for_each(|metadata| {
         for mode in &metadata.solc_modes() {
             match platform {

crates/format/Cargo.toml

@@ -10,8 +10,10 @@ rust-version.workspace = true
 
 [dependencies]
 alloy = { workspace = true }
+alloy-primitives = { workspace = true }
+alloy-sol-types = { workspace = true }
 anyhow = { workspace = true }
-log = { workspace = true }
+tracing = { workspace = true }
 semver = { workspace = true }
-serde = { workspace = true, features = [ "derive" ] }
+serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }

crates/format/src/corpus.rs

@@ -5,7 +5,7 @@ use std::{
 
 use serde::{Deserialize, Serialize};
 
-use crate::metadata::Metadata;
+use crate::metadata::MetadataFile;
 
 #[derive(Clone, Debug, Default, Serialize, Deserialize, Eq, PartialEq, Hash)]
 pub struct Corpus {
@@ -21,7 +21,7 @@ impl Corpus {
     }
 
     /// Scan the corpus base directory and return all tests found.
-    pub fn enumerate_tests(&self) -> Vec<Metadata> {
+    pub fn enumerate_tests(&self) -> Vec<MetadataFile> {
         let mut tests = Vec::new();
         collect_metadata(&self.path, &mut tests);
         tests
@@ -34,11 +34,11 @@ impl Corpus {
 /// Found tests are inserted into `tests`.
 ///
 /// `path` is expected to be a directory.
-pub fn collect_metadata(path: &Path, tests: &mut Vec<Metadata>) {
+pub fn collect_metadata(path: &Path, tests: &mut Vec<MetadataFile>) {
     let dir_entry = match std::fs::read_dir(path) {
         Ok(dir_entry) => dir_entry,
         Err(error) => {
-            log::error!("failed to read dir '{}': {error}", path.display());
+            tracing::error!("failed to read dir '{}': {error}", path.display());
             return;
         }
     };
@@ -47,7 +47,7 @@ pub fn collect_metadata(path: &Path, tests: &mut Vec<Metadata>) {
         let entry = match entry {
             Ok(entry) => entry,
             Err(error) => {
-                log::error!("error reading dir entry: {error}");
+                tracing::error!("error reading dir entry: {error}");
                 continue;
             }
         };
@@ -59,7 +59,7 @@ pub fn collect_metadata(path: &Path, tests: &mut Vec<Metadata>) {
         }
 
         if path.is_file() {
-            if let Some(metadata) = Metadata::try_from_file(&path) {
+            if let Some(metadata) = MetadataFile::try_from_file(&path) {
                 tests.push(metadata)
             }
         }

crates/format/src/input.rs

@@ -1,10 +1,13 @@
 use std::collections::HashMap;
 
 use alloy::{
-    json_abi::Function,
-    primitives::{Address, TxKind},
-    rpc::types::TransactionRequest,
+    hex,
+    json_abi::{Function, JsonAbi},
+    primitives::{Address, Bytes, TxKind},
+    rpc::types::{TransactionInput, TransactionRequest},
 };
+use alloy_primitives::U256;
+use alloy_sol_types::SolValue;
 use semver::VersionReq;
 use serde::{Deserialize, de::Deserializer};
 use serde_json::Value;
@@ -44,7 +47,15 @@ pub struct ExpectedOutput {
 #[serde(untagged)]
 pub enum Calldata {
     Single(String),
-    Compound(Vec<String>),
+    Compound(Vec<CalldataArg>),
+}
+
+#[derive(Clone, Debug, Deserialize, Eq, PartialEq)]
+#[serde(untagged)]
+pub enum CalldataArg {
+    Literal(String),
+    /// For example: `Contract.address`
+    AddressRef(String),
 }
 
 /// Specify how the contract is called.
@@ -102,12 +113,117 @@ impl Input {
             .ok_or_else(|| anyhow::anyhow!("instance {instance} not deployed"))
     }
 
+    pub fn encoded_input(
+        &self,
+        deployed_abis: &HashMap<String, JsonAbi>,
+        deployed_contracts: &HashMap<String, Address>,
+    ) -> anyhow::Result<Bytes> {
+        let Method::Function(selector) = self.method else {
+            return Ok(Bytes::default()); // fallback or deployer — no input
+        };
+
+        let abi = deployed_abis
+            .get(&self.instance)
+            .ok_or_else(|| anyhow::anyhow!("ABI for instance '{}' not found", &self.instance))?;
+
+        tracing::trace!("ABI found for instance: {}", &self.instance);
+
+        // Find function by selector
+        let function = abi
+            .functions()
+            .find(|f| f.selector().0 == selector)
+            .ok_or_else(|| {
+                anyhow::anyhow!(
+                    "Function with selector {:?} not found in ABI for the instance {:?}",
+                    selector,
+                    &self.instance
+                )
+            })?;
+
+        tracing::trace!("Functions found for instance: {}", &self.instance);
+
+        let calldata_args = match &self.calldata {
+            Some(Calldata::Compound(args)) => args,
+            _ => anyhow::bail!("Expected compound calldata for function call"),
+        };
+
+        if calldata_args.len() != function.inputs.len() {
+            anyhow::bail!(
+                "Function expects {} args, but got {}",
+                function.inputs.len(),
+                calldata_args.len()
+            );
+        }
+
+        tracing::trace!(
+            "Starting encoding ABI's parameters for instance: {}",
+            &self.instance
+        );
+
+        let mut encoded = selector.to_vec();
+
+        for (i, param) in function.inputs.iter().enumerate() {
+            let arg = calldata_args.get(i).unwrap();
+            let encoded_arg = match arg {
+                CalldataArg::Literal(value) => match param.ty.as_str() {
+                    "uint256" | "uint" => {
+                        let val: U256 = value.parse()?;
+                        val.abi_encode()
+                    }
+                    "uint24" => {
+                        let val: u32 = value.parse()?;
+                        (val & 0xFFFFFF).abi_encode()
+                    }
+                    "bool" => {
+                        let val: bool = value.parse()?;
+                        val.abi_encode()
+                    }
+                    "address" => {
+                        let addr: Address = value.parse()?;
+                        addr.abi_encode()
+                    }
+                    "string" => value.abi_encode(),
+                    "bytes32" => {
+                        let val = hex::decode(value.trim_start_matches("0x"))?;
+                        let mut fixed = [0u8; 32];
+                        fixed[..val.len()].copy_from_slice(&val);
+                        fixed.abi_encode()
+                    }
+                    "uint256[]" | "uint[]" => {
+                        let nums: Vec<u64> = serde_json::from_str(value)?;
+                        nums.abi_encode()
+                    }
+                    "bytes" => {
+                        let val = hex::decode(value.trim_start_matches("0x"))?;
+                        val.abi_encode()
+                    }
+                    _ => anyhow::bail!("Unsupported type: {}", param.ty),
+                },
+                CalldataArg::AddressRef(name) => {
+                    let contract_name = name.trim_end_matches(".address");
+                    let addr = deployed_contracts
+                        .get(contract_name)
+                        .copied()
+                        .ok_or_else(|| {
+                            anyhow::anyhow!("Address for '{}' not found", contract_name)
+                        })?;
+                    addr.abi_encode()
+                }
+            };
+
+            encoded.extend(encoded_arg);
+        }
+
+        Ok(Bytes::from(encoded))
+    }
+
     /// Parse this input into a legacy transaction.
     pub fn legacy_transaction(
         &self,
         chain_id: u64,
         nonce: u64,
         deployed_contracts: &HashMap<String, Address>,
+        deployed_abis: &HashMap<String, JsonAbi>,
     ) -> anyhow::Result<TransactionRequest> {
         let to = match self.method {
             Method::Deployer => Some(TxKind::Create),
@@ -116,6 +232,8 @@ impl Input {
             )),
         };
 
+        let input_data = self.encoded_input(deployed_abis, deployed_contracts)?;
+
         Ok(TransactionRequest {
             from: Some(self.caller),
             to,
@@ -123,6 +241,7 @@ impl Input {
             chain_id: Some(chain_id),
             gas_price: Some(5_000_000),
             gas: Some(5_000_000),
+            input: TransactionInput::new(input_data),
             ..Default::default()
         })
     }
@@ -135,3 +254,201 @@ fn default_instance() -> String {
 fn default_caller() -> Address {
     "90F8bf6A479f320ead074411a4B0e7944Ea8c9C1".parse().unwrap()
 }
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    use alloy::json_abi::JsonAbi;
+    use alloy_primitives::{address, keccak256};
+    use std::collections::HashMap;
+
+    #[test]
+    fn test_encoded_input_uint256() {
+        let raw_metadata = r#"
+            [
+                {
+                    "inputs": [{"name": "value", "type": "uint256"}],
+                    "name": "store",
+                    "outputs": [],
+                    "stateMutability": "nonpayable",
+                    "type": "function"
+                }
+            ]
+        "#;
+
+        let parsed_abi: JsonAbi = serde_json::from_str(raw_metadata).unwrap();
+        let selector = keccak256("store(uint256)".as_bytes())[0..4]
+            .try_into()
+            .unwrap();
+
+        let input = Input {
+            instance: "Contract".to_string(),
+            method: Method::Function(selector),
+            calldata: Some(Calldata::Compound(vec![CalldataArg::Literal(
+                "42".to_string(),
+            )])),
+            ..Default::default()
+        };
+
+        let mut deployed_abis = HashMap::new();
+        deployed_abis.insert("Contract".to_string(), parsed_abi);
+        let deployed_contracts = HashMap::new();
+
+        let encoded = input
+            .encoded_input(&deployed_abis, &deployed_contracts)
+            .unwrap();
+        assert!(encoded.0.starts_with(&selector));
+
+        type T = (u64,);
+        let decoded: T = T::abi_decode(&encoded.0[4..]).unwrap();
+        assert_eq!(decoded.0, 42);
+    }
+
+    #[test]
+    fn test_encoded_input_bool() {
+        let raw_abi = r#"[
+            {
+                "inputs": [{"name": "flag", "type": "bool"}],
+                "name": "toggle",
+                "outputs": [],
+                "stateMutability": "nonpayable",
+                "type": "function"
+            }
+        ]"#;
+
+        let parsed_abi: JsonAbi = serde_json::from_str(raw_abi).unwrap();
+        let selector = keccak256("toggle(bool)".as_bytes())[0..4]
+            .try_into()
+            .unwrap();
+
+        let input = Input {
+            instance: "Contract".to_string(),
+            method: Method::Function(selector),
+            calldata: Some(Calldata::Compound(vec![CalldataArg::Literal(
+                "true".to_string(),
+            )])),
+            ..Default::default()
+        };
+
+        let mut abis = HashMap::new();
+        abis.insert("Contract".to_string(), parsed_abi);
+        let contracts = HashMap::new();
+
+        let encoded = input.encoded_input(&abis, &contracts).unwrap();
+        assert!(encoded.0.starts_with(&selector));
+
+        type T = (bool,);
+        let decoded: T = T::abi_decode(&encoded.0[4..]).unwrap();
+        assert_eq!(decoded.0, true);
+    }
+
+    #[test]
+    fn test_encoded_input_string() {
+        let raw_abi = r#"[
+            {
+                "inputs": [{"name": "msg", "type": "string"}],
+                "name": "echo",
+                "outputs": [],
+                "stateMutability": "nonpayable",
+                "type": "function"
+            }
+        ]"#;
+
+        let parsed_abi: JsonAbi = serde_json::from_str(raw_abi).unwrap();
+        let selector = keccak256("echo(string)".as_bytes())[0..4]
+            .try_into()
+            .unwrap();
+
+        let input = Input {
+            instance: "Contract".to_string(),
+            method: Method::Function(selector),
+            calldata: Some(Calldata::Compound(vec![CalldataArg::Literal(
+                "hello".to_string(),
+            )])),
+            ..Default::default()
+        };
+
+        let mut abis = HashMap::new();
+        abis.insert("Contract".to_string(), parsed_abi);
+        let contracts = HashMap::new();
+
+        let encoded = input.encoded_input(&abis, &contracts).unwrap();
+        assert!(encoded.0.starts_with(&selector));
+    }
+
+    #[test]
+    fn test_encoded_input_uint256_array() {
+        let raw_abi = r#"[
+        {
+            "inputs": [{"name": "arr", "type": "uint256[]"}],
+            "name": "sum",
+            "outputs": [],
+            "stateMutability": "nonpayable",
+            "type": "function"
+        }
+        ]"#;
+
+        let parsed_abi: JsonAbi = serde_json::from_str(raw_abi).unwrap();
+        let selector = keccak256("sum(uint256[])".as_bytes())[0..4]
+            .try_into()
+            .unwrap();
+
+        let input = Input {
+            instance: "Contract".to_string(),
+            method: Method::Function(selector),
+            calldata: Some(Calldata::Compound(vec![CalldataArg::Literal(
+                "[1,2,3]".to_string(),
+            )])),
+            ..Default::default()
+        };
+
+        let mut abis = HashMap::new();
+        abis.insert("Contract".to_string(), parsed_abi);
+        let contracts = HashMap::new();
+
+        let encoded = input.encoded_input(&abis, &contracts).unwrap();
+        assert!(encoded.0.starts_with(&selector));
+    }
+
+    #[test]
+    fn test_encoded_input_address() {
+        let raw_abi = r#"[
+        {
+            "inputs": [{"name": "recipient", "type": "address"}],
+            "name": "send",
+            "outputs": [],
+            "stateMutability": "nonpayable",
+            "type": "function"
+        }
+        ]"#;
+
+        let parsed_abi: JsonAbi = serde_json::from_str(raw_abi).unwrap();
+        let selector = keccak256("send(address)".as_bytes())[0..4]
+            .try_into()
+            .unwrap();
+
+        let input = Input {
+            instance: "Contract".to_string(),
+            method: Method::Function(selector),
+            calldata: Some(Calldata::Compound(vec![CalldataArg::Literal(
+                "0x1000000000000000000000000000000000000001".to_string(),
+            )])),
+            ..Default::default()
+        };
+
+        let mut abis = HashMap::new();
+        abis.insert("Contract".to_string(), parsed_abi);
+        let contracts = HashMap::new();
+
+        let encoded = input.encoded_input(&abis, &contracts).unwrap();
+        assert!(encoded.0.starts_with(&selector));
+
+        type T = (alloy_primitives::Address,);
+        let decoded: T = T::abi_decode(&encoded.0[4..]).unwrap();
+        assert_eq!(
+            decoded.0,
+            address!("0x1000000000000000000000000000000000000001")
+        );
+    }
+}

crates/format/src/metadata.rs

@@ -1,6 +1,7 @@
 use std::{
     collections::BTreeMap,
     fs::{File, read_to_string},
+    ops::Deref,
     path::{Path, PathBuf},
 };
 
@@ -15,6 +16,29 @@ pub const METADATA_FILE_EXTENSION: &str = "json";
 pub const SOLIDITY_CASE_FILE_EXTENSION: &str = "sol";
 pub const SOLIDITY_CASE_COMMENT_MARKER: &str = "//!";
 
+#[derive(Debug, Default, Deserialize, Clone, Eq, PartialEq)]
+pub struct MetadataFile {
+    pub path: PathBuf,
+    pub content: Metadata,
+}
+
+impl MetadataFile {
+    pub fn try_from_file(path: &Path) -> Option<Self> {
+        Metadata::try_from_file(path).map(|metadata| Self {
+            path: path.to_owned(),
+            content: metadata,
+        })
+    }
+}
+
+impl Deref for MetadataFile {
+    type Target = Metadata;
+
+    fn deref(&self) -> &Self::Target {
+        &self.content
+    }
+}
+
 #[derive(Debug, Default, Deserialize, Clone, Eq, PartialEq)]
 pub struct Metadata {
     pub cases: Vec<Case>,
@@ -35,7 +59,7 @@ impl Metadata {
             .filter_map(|mode| match mode {
                 Mode::Solidity(solc_mode) => Some(solc_mode),
                 Mode::Unknown(mode) => {
-                    log::debug!("compiler: ignoring unknown mode '{mode}'");
+                    tracing::debug!("compiler: ignoring unknown mode '{mode}'");
                     None
                 }
             })
@@ -90,7 +114,7 @@ impl Metadata {
         assert!(path.is_file(), "not a file: {}", path.display());
 
         let Some(file_extension) = path.extension() else {
-            log::debug!("skipping corpus file: {}", path.display());
+            tracing::debug!("skipping corpus file: {}", path.display());
             return None;
         };
 
@@ -102,14 +126,14 @@ impl Metadata {
             return Self::try_from_solidity(path);
         }
 
-        log::debug!("ignoring invalid corpus file: {}", path.display());
+        tracing::debug!("ignoring invalid corpus file: {}", path.display());
         None
     }
 
     fn try_from_json(path: &Path) -> Option<Self> {
         let file = File::open(path)
             .inspect_err(|error| {
-                log::error!(
+                tracing::error!(
                     "opening JSON test metadata file '{}' error: {error}",
                     path.display()
                 );
@@ -122,7 +146,7 @@ impl Metadata {
                 Some(metadata)
             }
             Err(error) => {
-                log::error!(
+                tracing::error!(
                     "parsing JSON test metadata file '{}' error: {error}",
                     path.display()
                 );
@@ -134,7 +158,7 @@ impl Metadata {
     fn try_from_solidity(path: &Path) -> Option<Self> {
         let spec = read_to_string(path)
             .inspect_err(|error| {
-                log::error!(
+                tracing::error!(
                     "opening JSON test metadata file '{}' error: {error}",
                     path.display()
                 );
@@ -163,7 +187,7 @@ impl Metadata {
                 Some(metadata)
             }
             Err(error) => {
-                log::error!(
+                tracing::error!(
                     "parsing Solidity test metadata file '{}' error: '{error}' from data: {spec}",
                     path.display()
                 );

crates/node-interaction/Cargo.toml

@@ -11,6 +11,6 @@ rust-version.workspace = true
 [dependencies]
 alloy = { workspace = true }
 anyhow = { workspace = true }
-log = { workspace = true }
+tracing = { workspace = true }
 once_cell = { workspace = true }
 tokio = { workspace = true }

crates/node-interaction/src/tokio_runtime.rs

@@ -51,13 +51,13 @@ impl TokioRuntime {
                 let nonce_task = spawn(interaction::<Nonce>(nonce_receiver));
 
                 if let Err(error) = transaction_task.await {
-                    log::error!("tokio transaction task failed: {error}");
+                    tracing::error!("tokio transaction task failed: {error}");
                 }
                 if let Err(error) = trace_task.await {
-                    log::error!("tokio trace transaction task failed: {error}");
+                    tracing::error!("tokio trace transaction task failed: {error}");
                 }
                 if let Err(error) = nonce_task.await {
-                    log::error!("tokio nonce task failed: {error}");
+                    tracing::error!("tokio nonce task failed: {error}");
                 }
             });
         });

crates/node/Cargo.toml

@@ -11,15 +11,17 @@ rust-version.workspace = true
 [dependencies]
 anyhow = { workspace = true }
 alloy = { workspace = true }
-log = { workspace = true }
+tracing = { workspace = true }
+tokio = { workspace = true }
 
 revive-dt-node-interaction = { workspace = true }
 revive-dt-config = { workspace = true }
 
+serde = { workspace = true }
 serde_json = { workspace = true }
- 
+
 sp-core = { workspace = true }
 sp-runtime = { workspace = true }
 
 [dev-dependencies]
-temp-dir = { workspace = true }
+temp-dir = { workspace = true }

crates/node/src/geth.rs

@@ -1,6 +1,7 @@
 //! The go-ethereum node implementation.
 
 use std::{
+    collections::HashMap,
     fs::{File, create_dir_all, remove_dir_all},
     io::{BufRead, BufReader, Read, Write},
     path::PathBuf,
@@ -15,7 +16,7 @@ use std::{
 
 use alloy::{
     network::EthereumWallet,
-    primitives::{Address, map::HashMap},
+    primitives::Address,
     providers::{Provider, ProviderBuilder, ext::DebugApi},
     rpc::types::{
         TransactionReceipt, TransactionRequest,
@@ -159,14 +160,84 @@ impl EthereumNode for Instance {
         let wallet = self.wallet.clone();
 
         execute_transaction(Box::pin(async move {
-            Ok(ProviderBuilder::new()
+            let outer_span = tracing::debug_span!("Submitting transaction", ?transaction,);
+            let _outer_guard = outer_span.enter();
+
+            let provider = ProviderBuilder::new()
                 .wallet(wallet)
                 .connect(&connection_string)
-                .await?
-                .send_transaction(transaction)
-                .await?
-                .get_receipt()
-                .await?)
+                .await?;
+
+            let pending_transaction = provider.send_transaction(transaction).await?;
+            let transaction_hash = pending_transaction.tx_hash();
+
+            let span = tracing::info_span!("Awaiting transaction receipt", ?transaction_hash);
+            let _guard = span.enter();
+
+            // The following is a fix for the "transaction indexing is in progress" error that we
+            // used to get. You can find more information on this in the following GH issue in geth
+            // https://github.com/ethereum/go-ethereum/issues/28877. To summarize what's going on,
+            // before we can get the receipt of the transaction it needs to have been indexed by the
+            // node's indexer. Just because the transaction has been confirmed it doesn't mean that
+            // it has been indexed. When we call alloy's `get_receipt` it checks if the transaction
+            // was confirmed. If it has been, then it will call `eth_getTransactionReceipt` method
+            // which _might_ return the above error if the tx has not yet been indexed yet. So, we
+            // need to implement a retry mechanism for the receipt to keep retrying to get it until
+            // it eventually works, but we only do that if the error we get back is the "transaction
+            // indexing is in progress" error or if the receipt is None.
+            //
+            // At the moment we do not allow for the 60 seconds to be modified and we take it as
+            // being an implementation detail that's invisible to anything outside of this module.
+            //
+            // We allow a total of 60 retries for getting the receipt with one second between each
+            // retry and the next which means that we allow for a total of 60 seconds of waiting
+            // before we consider that we're unable to get the transaction receipt.
+            let mut retries = 0;
+            loop {
+                match provider.get_transaction_receipt(*transaction_hash).await {
+                    Ok(Some(receipt)) => {
+                        tracing::info!("Obtained the transaction receipt");
+                        break Ok(receipt);
+                    }
+                    Ok(None) => {
+                        if retries == 60 {
+                            tracing::error!(
+                                "Polled for transaction receipt for 60 seconds but failed to get it"
+                            );
+                            break Err(anyhow::anyhow!("Failed to get the transaction receipt"));
+                        } else {
+                            tracing::trace!(
+                                retries,
+                                "Sleeping for 1 second and trying to get the receipt again"
+                            );
+                            retries += 1;
+                            tokio::time::sleep(std::time::Duration::from_secs(1)).await;
+                            continue;
+                        }
+                    }
+                    Err(error) => {
+                        let error_string = error.to_string();
+                        if error_string.contains("transaction indexing is in progress") {
+                            if retries == 60 {
+                                tracing::error!(
+                                    "Polled for transaction receipt for 60 seconds but failed to get it"
+                                );
+                                break Err(error.into());
+                            } else {
+                                tracing::trace!(
+                                    retries,
+                                    "Sleeping for 1 second and trying to get the receipt again"
+                                );
+                                retries += 1;
+                                tokio::time::sleep(std::time::Duration::from_secs(1)).await;
+                                continue;
+                            }
+                        } else {
+                            break Err(error.into());
+                        }
+                    }
+                }
+            }
         }))
     }
 
@@ -267,6 +338,7 @@ impl Node for Instance {
 
 impl Drop for Instance {
     fn drop(&mut self) {
+        tracing::info!(id = self.id, "Dropping node");
         if let Some(child) = self.handle.as_mut() {
             let _ = child.kill();
         }

crates/node/src/kitchensink.rs

@@ -1,4 +1,5 @@
 use std::{
+    collections::HashMap,
     fs::create_dir_all,
     io::BufRead,
     path::PathBuf,
@@ -11,15 +12,21 @@ use std::{
 };
 
 use alloy::{
+    consensus::{BlockHeader, TxEnvelope},
     hex,
-    network::EthereumWallet,
-    primitives::{Address, map::HashMap},
+    network::{
+        Ethereum, EthereumWallet, Network, TransactionBuilder, TransactionBuilderError,
+        UnbuiltTransactionError,
+    },
+    primitives::{Address, B64, B256, BlockNumber, Bloom, Bytes, U256},
     providers::{Provider, ProviderBuilder, ext::DebugApi},
     rpc::types::{
         TransactionReceipt,
+        eth::{Block, Header, Transaction},
         trace::geth::{DiffMode, GethDebugTracingOptions, PreStateConfig, PreStateFrame},
     },
 };
+use serde::{Deserialize, Serialize};
 use serde_json::{Value as JsonValue, json};
 use sp_core::crypto::Ss58Codec;
 use sp_runtime::AccountId32;
@@ -251,8 +258,12 @@ impl EthereumNode for KitchensinkNode {
         let url = self.rpc_url.clone();
         let wallet = self.wallet.clone();
 
-        execute_transaction(Box::pin(async move {
+        tracing::debug!("Submitting transaction: {transaction:#?}");
+
+        tracing::info!("Submitting tx to kitchensink");
+        let receipt = execute_transaction(Box::pin(async move {
             Ok(ProviderBuilder::new()
+                .network::<KitchenSinkNetwork>()
                 .wallet(wallet)
                 .connect(&url)
                 .await?
@@ -260,7 +271,9 @@ impl EthereumNode for KitchensinkNode {
                 .await?
                 .get_receipt()
                 .await?)
-        }))
+        }));
+        tracing::info!(?receipt, "Submitted tx to kitchensink");
+        receipt
     }
 
     fn trace_transaction(
@@ -278,6 +291,7 @@ impl EthereumNode for KitchensinkNode {
 
         trace_transaction(Box::pin(async move {
             Ok(ProviderBuilder::new()
+                .network::<KitchenSinkNetwork>()
                 .wallet(wallet)
                 .connect(&url)
                 .await?
@@ -371,6 +385,427 @@ impl Drop for KitchensinkNode {
     }
 }
 
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+struct KitchenSinkNetwork;
+
+impl Network for KitchenSinkNetwork {
+    type TxType = <Ethereum as Network>::TxType;
+
+    type TxEnvelope = <Ethereum as Network>::TxEnvelope;
+
+    type UnsignedTx = <Ethereum as Network>::UnsignedTx;
+
+    type ReceiptEnvelope = <Ethereum as Network>::ReceiptEnvelope;
+
+    type Header = KitchenSinkHeader;
+
+    type TransactionRequest = <Ethereum as Network>::TransactionRequest;
+
+    type TransactionResponse = <Ethereum as Network>::TransactionResponse;
+
+    type ReceiptResponse = <Ethereum as Network>::ReceiptResponse;
+
+    type HeaderResponse = Header<KitchenSinkHeader>;
+
+    type BlockResponse = Block<Transaction<TxEnvelope>, Header<KitchenSinkHeader>>;
+}
+
+impl TransactionBuilder<KitchenSinkNetwork> for <Ethereum as Network>::TransactionRequest {
+    fn chain_id(&self) -> Option<alloy::primitives::ChainId> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::chain_id(self)
+    }
+
+    fn set_chain_id(&mut self, chain_id: alloy::primitives::ChainId) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_chain_id(
+            self, chain_id,
+        )
+    }
+
+    fn nonce(&self) -> Option<u64> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::nonce(self)
+    }
+
+    fn set_nonce(&mut self, nonce: u64) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_nonce(
+            self, nonce,
+        )
+    }
+
+    fn input(&self) -> Option<&alloy::primitives::Bytes> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::input(self)
+    }
+
+    fn set_input<T: Into<alloy::primitives::Bytes>>(&mut self, input: T) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_input(
+            self, input,
+        )
+    }
+
+    fn from(&self) -> Option<Address> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::from(self)
+    }
+
+    fn set_from(&mut self, from: Address) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_from(
+            self, from,
+        )
+    }
+
+    fn kind(&self) -> Option<alloy::primitives::TxKind> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::kind(self)
+    }
+
+    fn clear_kind(&mut self) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::clear_kind(
+            self,
+        )
+    }
+
+    fn set_kind(&mut self, kind: alloy::primitives::TxKind) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_kind(
+            self, kind,
+        )
+    }
+
+    fn value(&self) -> Option<alloy::primitives::U256> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::value(self)
+    }
+
+    fn set_value(&mut self, value: alloy::primitives::U256) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_value(
+            self, value,
+        )
+    }
+
+    fn gas_price(&self) -> Option<u128> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::gas_price(self)
+    }
+
+    fn set_gas_price(&mut self, gas_price: u128) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_gas_price(
+            self, gas_price,
+        )
+    }
+
+    fn max_fee_per_gas(&self) -> Option<u128> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::max_fee_per_gas(
+            self,
+        )
+    }
+
+    fn set_max_fee_per_gas(&mut self, max_fee_per_gas: u128) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_max_fee_per_gas(
+            self, max_fee_per_gas
+        )
+    }
+
+    fn max_priority_fee_per_gas(&self) -> Option<u128> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::max_priority_fee_per_gas(
+            self,
+        )
+    }
+
+    fn set_max_priority_fee_per_gas(&mut self, max_priority_fee_per_gas: u128) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_max_priority_fee_per_gas(
+            self, max_priority_fee_per_gas
+        )
+    }
+
+    fn gas_limit(&self) -> Option<u64> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::gas_limit(self)
+    }
+
+    fn set_gas_limit(&mut self, gas_limit: u64) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_gas_limit(
+            self, gas_limit,
+        )
+    }
+
+    fn access_list(&self) -> Option<&alloy::rpc::types::AccessList> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::access_list(
+            self,
+        )
+    }
+
+    fn set_access_list(&mut self, access_list: alloy::rpc::types::AccessList) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::set_access_list(
+            self,
+            access_list,
+        )
+    }
+
+    fn complete_type(
+        &self,
+        ty: <KitchenSinkNetwork as Network>::TxType,
+    ) -> Result<(), Vec<&'static str>> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::complete_type(
+            self, ty,
+        )
+    }
+
+    fn can_submit(&self) -> bool {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::can_submit(
+            self,
+        )
+    }
+
+    fn can_build(&self) -> bool {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::can_build(self)
+    }
+
+    fn output_tx_type(&self) -> <KitchenSinkNetwork as Network>::TxType {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::output_tx_type(
+            self,
+        )
+    }
+
+    fn output_tx_type_checked(&self) -> Option<<KitchenSinkNetwork as Network>::TxType> {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::output_tx_type_checked(
+            self,
+        )
+    }
+
+    fn prep_for_submission(&mut self) {
+        <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::prep_for_submission(
+            self,
+        )
+    }
+
+    fn build_unsigned(
+        self,
+    ) -> alloy::network::BuildResult<<KitchenSinkNetwork as Network>::UnsignedTx, KitchenSinkNetwork>
+    {
+        let result = <<Ethereum as Network>::TransactionRequest as TransactionBuilder<Ethereum>>::build_unsigned(
+            self,
+        );
+        match result {
+            Ok(unsigned_tx) => Ok(unsigned_tx),
+            Err(UnbuiltTransactionError { request, error }) => {
+                Err(UnbuiltTransactionError::<KitchenSinkNetwork> {
+                    request,
+                    error: match error {
+                        TransactionBuilderError::InvalidTransactionRequest(tx_type, items) => {
+                            TransactionBuilderError::InvalidTransactionRequest(tx_type, items)
+                        }
+                        TransactionBuilderError::UnsupportedSignatureType => {
+                            TransactionBuilderError::UnsupportedSignatureType
+                        }
+                        TransactionBuilderError::Signer(error) => {
+                            TransactionBuilderError::Signer(error)
+                        }
+                        TransactionBuilderError::Custom(error) => {
+                            TransactionBuilderError::Custom(error)
+                        }
+                    },
+                })
+            }
+        }
+    }
+
+    async fn build<W: alloy::network::NetworkWallet<KitchenSinkNetwork>>(
+        self,
+        wallet: &W,
+    ) -> Result<
+        <KitchenSinkNetwork as Network>::TxEnvelope,
+        TransactionBuilderError<KitchenSinkNetwork>,
+    > {
+        Ok(wallet.sign_request(self).await?)
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, Hash, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct KitchenSinkHeader {
+    /// The Keccak 256-bit hash of the parent
+    /// block’s header, in its entirety; formally Hp.
+    pub parent_hash: B256,
+    /// The Keccak 256-bit hash of the ommers list portion of this block; formally Ho.
+    #[serde(rename = "sha3Uncles", alias = "ommersHash")]
+    pub ommers_hash: B256,
+    /// The 160-bit address to which all fees collected from the successful mining of this block
+    /// be transferred; formally Hc.
+    #[serde(rename = "miner", alias = "beneficiary")]
+    pub beneficiary: Address,
+    /// The Keccak 256-bit hash of the root node of the state trie, after all transactions are
+    /// executed and finalisations applied; formally Hr.
+    pub state_root: B256,
+    /// The Keccak 256-bit hash of the root node of the trie structure populated with each
+    /// transaction in the transactions list portion of the block; formally Ht.
+    pub transactions_root: B256,
+    /// The Keccak 256-bit hash of the root node of the trie structure populated with the receipts
+    /// of each transaction in the transactions list portion of the block; formally He.
+    pub receipts_root: B256,
+    /// The Bloom filter composed from indexable information (logger address and log topics)
+    /// contained in each log entry from the receipt of each transaction in the transactions list;
+    /// formally Hb.
+    pub logs_bloom: Bloom,
+    /// A scalar value corresponding to the difficulty level of this block. This can be calculated
+    /// from the previous block’s difficulty level and the timestamp; formally Hd.
+    pub difficulty: U256,
+    /// A scalar value equal to the number of ancestor blocks. The genesis block has a number of
+    /// zero; formally Hi.
+    #[serde(with = "alloy::serde::quantity")]
+    pub number: BlockNumber,
+    /// A scalar value equal to the current limit of gas expenditure per block; formally Hl.
+    // This is the main difference over the Ethereum network implementation. We use u128 here and
+    // not u64.
+    #[serde(with = "alloy::serde::quantity")]
+    pub gas_limit: u128,
+    /// A scalar value equal to the total gas used in transactions in this block; formally Hg.
+    #[serde(with = "alloy::serde::quantity")]
+    pub gas_used: u64,
+    /// A scalar value equal to the reasonable output of Unix’s time() at this block’s inception;
+    /// formally Hs.
+    #[serde(with = "alloy::serde::quantity")]
+    pub timestamp: u64,
+    /// An arbitrary byte array containing data relevant to this block. This must be 32 bytes or
+    /// fewer; formally Hx.
+    pub extra_data: Bytes,
+    /// A 256-bit hash which, combined with the
+    /// nonce, proves that a sufficient amount of computation has been carried out on this block;
+    /// formally Hm.
+    pub mix_hash: B256,
+    /// A 64-bit value which, combined with the mixhash, proves that a sufficient amount of
+    /// computation has been carried out on this block; formally Hn.
+    pub nonce: B64,
+    /// A scalar representing EIP1559 base fee which can move up or down each block according
+    /// to a formula which is a function of gas used in parent block and gas target
+    /// (block gas limit divided by elasticity multiplier) of parent block.
+    /// The algorithm results in the base fee per gas increasing when blocks are
+    /// above the gas target, and decreasing when blocks are below the gas target. The base fee per
+    /// gas is burned.
+    #[serde(
+        default,
+        with = "alloy::serde::quantity::opt",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub base_fee_per_gas: Option<u64>,
+    /// The Keccak 256-bit hash of the withdrawals list portion of this block.
+    /// <https://eips.ethereum.org/EIPS/eip-4895>
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub withdrawals_root: Option<B256>,
+    /// The total amount of blob gas consumed by the transactions within the block, added in
+    /// EIP-4844.
+    #[serde(
+        default,
+        with = "alloy::serde::quantity::opt",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub blob_gas_used: Option<u64>,
+    /// A running total of blob gas consumed in excess of the target, prior to the block. Blocks
+    /// with above-target blob gas consumption increase this value, blocks with below-target blob
+    /// gas consumption decrease it (bounded at 0). This was added in EIP-4844.
+    #[serde(
+        default,
+        with = "alloy::serde::quantity::opt",
+        skip_serializing_if = "Option::is_none"
+    )]
+    pub excess_blob_gas: Option<u64>,
+    /// The hash of the parent beacon block's root is included in execution blocks, as proposed by
+    /// EIP-4788.
+    ///
+    /// This enables trust-minimized access to consensus state, supporting staking pools, bridges,
+    /// and more.
+    ///
+    /// The beacon roots contract handles root storage, enhancing Ethereum's functionalities.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub parent_beacon_block_root: Option<B256>,
+    /// The Keccak 256-bit hash of the an RLP encoded list with each
+    /// [EIP-7685] request in the block body.
+    ///
+    /// [EIP-7685]: https://eips.ethereum.org/EIPS/eip-7685
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub requests_hash: Option<B256>,
+}
+
+impl BlockHeader for KitchenSinkHeader {
+    fn parent_hash(&self) -> B256 {
+        self.parent_hash
+    }
+
+    fn ommers_hash(&self) -> B256 {
+        self.ommers_hash
+    }
+
+    fn beneficiary(&self) -> Address {
+        self.beneficiary
+    }
+
+    fn state_root(&self) -> B256 {
+        self.state_root
+    }
+
+    fn transactions_root(&self) -> B256 {
+        self.transactions_root
+    }
+
+    fn receipts_root(&self) -> B256 {
+        self.receipts_root
+    }
+
+    fn withdrawals_root(&self) -> Option<B256> {
+        self.withdrawals_root
+    }
+
+    fn logs_bloom(&self) -> Bloom {
+        self.logs_bloom
+    }
+
+    fn difficulty(&self) -> U256 {
+        self.difficulty
+    }
+
+    fn number(&self) -> BlockNumber {
+        self.number
+    }
+
+    // There's sadly nothing that we can do about this. We're required to implement this trait on
+    // any type that represents a header and the gas limit type used here is a u64.
+    fn gas_limit(&self) -> u64 {
+        self.gas_limit.try_into().unwrap_or(u64::MAX)
+    }
+
+    fn gas_used(&self) -> u64 {
+        self.gas_used
+    }
+
+    fn timestamp(&self) -> u64 {
+        self.timestamp
+    }
+
+    fn mix_hash(&self) -> Option<B256> {
+        Some(self.mix_hash)
+    }
+
+    fn nonce(&self) -> Option<B64> {
+        Some(self.nonce)
+    }
+
+    fn base_fee_per_gas(&self) -> Option<u64> {
+        self.base_fee_per_gas
+    }
+
+    fn blob_gas_used(&self) -> Option<u64> {
+        self.blob_gas_used
+    }
+
+    fn excess_blob_gas(&self) -> Option<u64> {
+        self.excess_blob_gas
+    }
+
+    fn parent_beacon_block_root(&self) -> Option<B256> {
+        self.parent_beacon_block_root
+    }
+
+    fn requests_hash(&self) -> Option<B256> {
+        self.requests_hash
+    }
+
+    fn extra_data(&self) -> &Bytes {
+        &self.extra_data
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use revive_dt_config::Arguments;

crates/node/src/pool.rs

@@ -62,7 +62,7 @@ where
 
 fn spawn_node<T: Node + Send>(args: &Arguments, genesis: String) -> anyhow::Result<T> {
     let mut node = T::new(args);
-    log::info!("starting node: {}", node.connection_string());
+    tracing::info!("starting node: {}", node.connection_string());
     node.spawn(genesis)?;
     Ok(node)
 }

crates/report/Cargo.toml

@@ -12,8 +12,7 @@ revive-dt-config = { workspace = true }
 revive-dt-format = { workspace = true }
 
 anyhow = { workspace = true }
-log = { workspace = true }
+tracing = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
 revive-solc-json-interface = { workspace = true }
-

crates/report/src/reporter.rs

@@ -192,7 +192,7 @@ impl Report {
         let file = File::create(&path).context(path.display().to_string())?;
         serde_json::to_writer_pretty(file, &self)?;
 
-        log::info!("report written to: {}", path.display());
+        tracing::info!("report written to: {}", path.display());
 
         Ok(())
     }

crates/solc-binaries/Cargo.toml

@@ -11,7 +11,7 @@ rust-version.workspace = true
 [dependencies]
 anyhow = { workspace = true }
 hex = { workspace = true }
-log = { workspace = true }
+tracing = { workspace = true }
 reqwest = { workspace = true }
 semver = { workspace = true }
 serde = { workspace = true }

crates/solc-binaries/src/cache.rs

@@ -25,7 +25,7 @@ pub(crate) fn get_or_download(
 
     let mut cache = SOLC_CACHER.lock().unwrap();
     if cache.contains(&target_file) {
-        log::debug!("using cached solc: {}", target_file.display());
+        tracing::debug!("using cached solc: {}", target_file.display());
         return Ok(target_file);
     }
 
@@ -37,10 +37,10 @@ pub(crate) fn get_or_download(
 }
 
 fn download_to_file(path: &Path, downloader: &GHDownloader) -> anyhow::Result<()> {
-    log::info!("caching file: {}", path.display());
+    tracing::info!("caching file: {}", path.display());
 
     let Ok(file) = File::create_new(path) else {
-        log::debug!("cache file already exists: {}", path.display());
+        tracing::debug!("cache file already exists: {}", path.display());
         return Ok(());
     };
 

crates/solc-binaries/src/download.rs

@@ -86,7 +86,7 @@ impl GHDownloader {
     /// Errors out if the download fails or the digest of the downloaded file
     /// mismatches the expected digest from the release [List].
     pub fn download(&self) -> anyhow::Result<Vec<u8>> {
-        log::info!("downloading solc: {self:?}");
+        tracing::info!("downloading solc: {self:?}");
         let expected_digest = List::download(self.list)?
             .builds
             .iter()