Update the FallbackGasFiller implementation

* Add a CI action for running tests

* Update the CI action fixing incorrect matrix usage

.github/actions/run-differential-tests/action.yml

@@ -0,0 +1,105 @@
+name: "Run Revive Differential Tests"
+description: "Builds and runs revive-differential-tests (retester) from this repo against the caller's Polkadot SDK."
+
+inputs:
+  # Setup arguments & environment
+  polkadot-sdk-path:
+    description: "The path of the polkadot-sdk that should be compiled for the tests to run against."
+    required: false
+    default: "."
+    type: string
+  cargo-command:
+    description: "The cargo command to use in compilations and running of tests (e.g., forklift cargo)."
+    required: false
+    default: "cargo"
+    type: string
+  revive-differential-tests-ref:
+    description: "The branch, tag or SHA to checkout for the revive-differential-tests."
+    required: false
+    default: "main"
+    type: string
+  resolc-version:
+    description: "The version of resolc to install and use in tests."
+    required: false
+    default: "0.5.0"
+    type: string
+  use-compilation-caches:
+    description: "Controls if the compilation caches will be used for the test run or not."
+    required: false
+    default: true
+    type: boolean
+  # Test Execution Arguments
+  platform:
+    description: "The identifier of the platform to run the tests on (e.g., geth-evm-solc, revive-dev-node-revm-solc)"
+    required: true
+    type: string
+
+runs:
+  using: "composite"
+  steps:
+    - name: Checkout the Differential Tests Repository
+      uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+      with:
+        repository: paritytech/revive-differential-tests
+        ref: ${{ inputs['revive-differential-tests-ref'] }}
+        path: revive-differential-tests
+        submodules: recursive
+    - name: Installing the Latest Resolc
+      shell: bash
+      if: ${{ runner.os == 'Linux' && runner.arch == 'X64' }}
+      run: |
+        VERSION="${{ inputs['resolc-version'] }}"
+        ASSET_URL="https://github.com/paritytech/revive/releases/download/v$VERSION/resolc-x86_64-unknown-linux-musl"
+        echo "Downloading resolc v$VERSION from $ASSET_URL"
+        curl -Lsf --show-error -o resolc "$ASSET_URL"
+        chmod +x resolc
+        ./resolc --version
+    - name: Installing Retester
+      shell: bash
+      run: ${{ inputs['cargo-command'] }} install --locked --path revive-differential-tests/crates/core
+    - name: Creating a workdir for retester
+      shell: bash
+      run: mkdir workdir
+    - name: Downloading & Initializing the compilation caches
+      shell: bash
+      if: ${{ inputs['use-compilation-caches'] == true }}
+      run: |
+        curl -fL --retry 3 --retry-all-errors --connect-timeout 10 -o cache.tar.gz "https://github.com/paritytech/revive-differential-tests/releases/download/compilation-caches-v1.1/cache.tar.gz"
+        tar -zxf cache.tar.gz -C ./workdir > /dev/null 2>&1
+    - name: Building the dependencies from the Polkadot SDK
+      shell: bash
+      run: ${{ inputs['cargo-command'] }} build --locked --profile release -p pallet-revive-eth-rpc -p revive-dev-node --manifest-path ${{ inputs['polkadot-sdk-path'] }}/Cargo.toml
+    - name: Running the Differential Tests
+      shell: bash
+      run: |
+        ${{ inputs['cargo-command'] }} run --locked --manifest-path revive-differential-tests/Cargo.toml -- test \
+          --test ./revive-differential-tests/resolc-compiler-tests/fixtures/solidity/simple \
+          --test ./revive-differential-tests/resolc-compiler-tests/fixtures/solidity/complex \
+          --test ./revive-differential-tests/resolc-compiler-tests/fixtures/solidity/translated_semantic_tests \
+          --platform ${{ inputs['platform'] }} \
+          --concurrency.number-of-nodes 10 \
+          --concurrency.number-of-threads 10 \
+          --concurrency.number-of-concurrent-tasks 100 \
+          --working-directory ./workdir \
+          --revive-dev-node.consensus manual-seal-200 \
+          --revive-dev-node.path ${{ inputs['polkadot-sdk-path'] }}/target/release/revive-dev-node \
+          --eth-rpc.path ${{ inputs['polkadot-sdk-path'] }}/target/release/eth-rpc \
+          --resolc.path ./resolc
+    - name: Creating a markdown report of the test execution
+      shell: bash
+      if: ${{ always() }}
+      run: |
+        mv ./workdir/*.json report.json
+        python3 revive-differential-tests/scripts/process-differential-tests-report.py report.json ${{ inputs['platform'] }}
+    - name: Upload the Report to the CI
+      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f
+      if: ${{ always() }}
+      with:
+        name: report-${{ inputs['platform'] }}.md
+        path: report.md
+    - name: Posting the report as a comment on the PR
+      uses: marocchino/sticky-pull-request-comment@773744901bac0e8cbb5a0dc842800d45e9b2b405
+      if: ${{ always() }}
+      with:
+        header: diff-tests-report-${{ inputs['platform'] }}
+        path: report.md

crates/core/src/main.rs

@@ -2,9 +2,9 @@ mod differential_benchmarks;
 mod differential_tests;
 mod helpers;
 
-use anyhow::Context as _;
+use anyhow::{Context as _, bail};
 use clap::Parser;
-use revive_dt_report::ReportAggregator;
+use revive_dt_report::{ReportAggregator, TestCaseStatus};
 use schemars::schema_for;
 use tracing::{info, level_filters::LevelFilter};
 use tracing_subscriber::{EnvFilter, FmtSubscriber};
@@ -57,8 +57,22 @@ fn main() -> anyhow::Result<()> {
                 let differential_tests_handling_task =
                     handle_differential_tests(*context, reporter);
 
-                futures::future::try_join(differential_tests_handling_task, report_aggregator_task)
+                let (_, report) = futures::future::try_join(
-                    .await?;
+                    differential_tests_handling_task,
+                    report_aggregator_task,
+                )
+                .await?;
+
+                let contains_failure = report
+                    .execution_information
+                    .values()
+                    .flat_map(|values| values.case_reports.values())
+                    .flat_map(|values| values.mode_execution_reports.values())
+                    .any(|report| matches!(report.status, Some(TestCaseStatus::Failed { .. })));
+
+                if contains_failure {
+                    bail!("Some tests failed")
+                }
 
                 Ok(())
             }),
@@ -71,12 +85,23 @@ fn main() -> anyhow::Result<()> {
                 let differential_benchmarks_handling_task =
                     handle_differential_benchmarks(*context, reporter);
 
-                futures::future::try_join(
+                let (_, report) = futures::future::try_join(
                     differential_benchmarks_handling_task,
                     report_aggregator_task,
                 )
                 .await?;
 
+                let contains_failure = report
+                    .execution_information
+                    .values()
+                    .flat_map(|values| values.case_reports.values())
+                    .flat_map(|values| values.mode_execution_reports.values())
+                    .any(|report| matches!(report.status, Some(TestCaseStatus::Failed { .. })));
+
+                if contains_failure {
+                    bail!("Some benchmarks failed")
+                }
+
                 Ok(())
             }),
         Context::ExportGenesis(ref export_genesis_context) => {
@@ -85,11 +110,17 @@ fn main() -> anyhow::Result<()> {
             let genesis_json = serde_json::to_string_pretty(&genesis)
                 .context("Failed to serialize the genesis to JSON")?;
             println!("{genesis_json}");
+
             Ok(())
         }
         Context::ExportJsonSchema => {
             let schema = schema_for!(Metadata);
-            println!("{}", serde_json::to_string_pretty(&schema).unwrap());
+            println!(
+                "{}",
+                serde_json::to_string_pretty(&schema)
+                    .context("Failed to export the JSON schema")?
+            );
+
             Ok(())
         }
     }

crates/node/src/node_implementations/geth.rs

@@ -250,7 +250,7 @@ impl GethNode {
                 construct_concurrency_limited_provider::<Ethereum, _>(
                     self.connection_string.as_str(),
                     FallbackGasFiller::default()
-                        .with_use_fallback_gas_filler(self.use_fallback_gas_filler),
+                        .with_fallback_mechanism(self.use_fallback_gas_filler),
                     ChainIdFiller::new(Some(CHAIN_ID)),
                     NonceFiller::new(self.nonce_manager.clone()),
                     self.wallet.clone(),

crates/node/src/node_implementations/lighthouse_geth.rs

@@ -379,7 +379,7 @@ impl LighthouseGethNode {
                 construct_concurrency_limited_provider::<Ethereum, _>(
                     self.ws_connection_string.as_str(),
                     FallbackGasFiller::default()
-                        .with_use_fallback_gas_filler(self.use_fallback_gas_filler),
+                        .with_fallback_mechanism(self.use_fallback_gas_filler),
                     ChainIdFiller::new(Some(CHAIN_ID)),
                     NonceFiller::new(self.nonce_manager.clone()),
                     self.wallet.clone(),

crates/node/src/node_implementations/substrate.rs

@@ -47,7 +47,7 @@ use tracing::{instrument, trace};
 
 use crate::{
     Node,
-    constants::{CHAIN_ID, INITIAL_BALANCE},
+    constants::INITIAL_BALANCE,
     helpers::{Process, ProcessReadinessWaitBehavior},
     provider_utils::{
         ConcreteProvider, FallbackGasFiller, construct_concurrency_limited_provider,
@@ -327,13 +327,9 @@ impl SubstrateNode {
             .get_or_try_init(|| async move {
                 construct_concurrency_limited_provider::<Ethereum, _>(
                     self.rpc_url.as_str(),
-                    FallbackGasFiller::new(
+                    FallbackGasFiller::default()
-                        u64::MAX,
+                        .with_fallback_mechanism(self.use_fallback_gas_filler),
-                        50_000_000_000,
+                    ChainIdFiller::default(),
-                        1_000_000_000,
-                        self.use_fallback_gas_filler,
-                    ),
-                    ChainIdFiller::new(Some(CHAIN_ID)),
                     NonceFiller::new(self.nonce_manager.clone()),
                     self.wallet.clone(),
                 )

crates/node/src/node_implementations/zombienet.rs

@@ -334,12 +334,8 @@ impl ZombienetNode {
             .get_or_try_init(|| async move {
                 construct_concurrency_limited_provider::<Ethereum, _>(
                     self.connection_string.as_str(),
-                    FallbackGasFiller::new(
+                    FallbackGasFiller::default()
-                        u64::MAX,
+                        .with_fallback_mechanism(self.use_fallback_gas_filler),
-                        5_000_000_000,
-                        1_000_000_000,
-                        self.use_fallback_gas_filler,
-                    ),
                     ChainIdFiller::default(), // TODO: use CHAIN_ID constant
                     NonceFiller::new(self.nonce_manager.clone()),
                     self.wallet.clone(),

crates/node/src/provider_utils/fallback_gas_filler.rs

@@ -1,65 +1,71 @@
+use std::{borrow::Cow, fmt::Display};
+
 use alloy::{
+    eips::BlockNumberOrTag,
     network::{Network, TransactionBuilder},
     providers::{
         Provider, SendableTx,
-        fillers::{GasFiller, TxFiller},
+        ext::DebugApi,
+        fillers::{GasFillable, GasFiller, TxFiller},
     },
-    transports::{TransportError, TransportResult},
+    rpc::types::trace::geth::{
+        GethDebugBuiltInTracerType, GethDebugTracerType, GethDebugTracingCallOptions,
+        GethDebugTracingOptions,
+    },
+    transports::{RpcError, TransportResult},
 };
 
-// Percentage padding applied to estimated gas (e.g. 120 = 20% padding)
+/// An implementation of [`GasFiller`] with a fallback mechanism for reverting  transactions.
-const GAS_ESTIMATE_PADDING_NUMERATOR: u64 = 120;
+///
-const GAS_ESTIMATE_PADDING_DENOMINATOR: u64 = 100;
+/// This struct provides a fallback mechanism for alloy's [`GasFiller`] which  kicks in when a
-
+/// transaction's dry run fails due to it reverting allowing us to get gas estimates even for
-#[derive(Clone, Debug)]
+/// failing transactions. In this codebase, this  is very important since the MatterLabs tests
+/// expect some transactions in the test suite revert. Since we're expected to run a number of
+/// assertions on these reverting transactions we must commit them to the ledger.
+///
+/// Therefore, this struct does the following:
+///
+/// 1. It first attempts to estimate the gas through the mechanism implemented in the [`GasFiller`].
+/// 2. If it fails, then we perform a debug trace of the transaction to find  out how much gas the
+///    transaction needs until it reverts.
+/// 3. We fill in these values (either the success or failure case) into the transaction.
+///
+/// The fallback mechanism of this filler can be completely disabled if we don't want it to be used.
+/// In that case, this gas filler will act in an identical  way to alloy's [`GasFiller`].
+///
+/// We then fill in these values into the transaction.
+///
+/// The previous implementation of this fallback gas filler relied on making use of default values
+/// for the gas limit in order to be able to submit the reverting transactions to the network. But,
+/// it introduced a number of issues that we weren't anticipating at the time when it was built.
+#[derive(Clone, Copy, Debug)]
 pub struct FallbackGasFiller {
+    /// The inner [`GasFiller`] which we pass all of the calls to in the happy path.
     inner: GasFiller,
-    default_gas_limit: u64,
+
-    default_max_fee_per_gas: u128,
+    /// A [`bool`] that controls if the fallback mechanism is enabled or not.
-    default_priority_fee: u128,
+    enable_fallback_mechanism: bool,
-    use_fallback_gas_filler: bool,
 }
 
 impl FallbackGasFiller {
-    pub fn new(
+    pub fn new() -> Self {
-        default_gas_limit: u64,
-        default_max_fee_per_gas: u128,
-        default_priority_fee: u128,
-        use_fallback_gas_filler: bool,
-    ) -> Self {
         Self {
-            inner: GasFiller,
+            inner: Default::default(),
-            default_gas_limit,
+            enable_fallback_mechanism: true,
-            default_max_fee_per_gas,
-            default_priority_fee,
-            use_fallback_gas_filler,
         }
     }
 
-    pub fn with_default_gas_limit(mut self, default_gas_limit: u64) -> Self {
+    pub fn with_fallback_mechanism(mut self, enable: bool) -> Self {
-        self.default_gas_limit = default_gas_limit;
+        self.enable_fallback_mechanism = enable;
         self
     }
 
-    pub fn with_default_max_fee_per_gas(mut self, default_max_fee_per_gas: u128) -> Self {
+    pub fn with_fallback_mechanism_enabled(self) -> Self {
-        self.default_max_fee_per_gas = default_max_fee_per_gas;
+        self.with_fallback_mechanism(true)
-        self
     }
 
-    pub fn with_default_priority_fee(mut self, default_priority_fee: u128) -> Self {
+    pub fn with_fallback_mechanism_disabled(self) -> Self {
-        self.default_priority_fee = default_priority_fee;
+        self.with_fallback_mechanism(false)
-        self
-    }
-
-    pub fn with_use_fallback_gas_filler(mut self, use_fallback_gas_filler: bool) -> Self {
-        self.use_fallback_gas_filler = use_fallback_gas_filler;
-        self
-    }
-}
-
-impl Default for FallbackGasFiller {
-    fn default() -> Self {
-        FallbackGasFiller::new(25_000_000, 1_000_000_000, 1_000_000_000, true)
     }
 }
 
@@ -67,32 +73,89 @@ impl<N> TxFiller<N> for FallbackGasFiller
 where
     N: Network,
 {
-    type Fillable = Option<<GasFiller as TxFiller<N>>::Fillable>;
+    type Fillable = <GasFiller as TxFiller<N>>::Fillable;
 
     fn status(
         &self,
         tx: &<N as Network>::TransactionRequest,
     ) -> alloy::providers::fillers::FillerControlFlow {
-        <GasFiller as TxFiller<N>>::status(&self.inner, tx)
+        TxFiller::<N>::status(&self.inner, tx)
     }
 
-    fn fill_sync(&self, _: &mut alloy::providers::SendableTx<N>) {}
+    fn fill_sync(&self, _: &mut SendableTx<N>) {}
 
     async fn prepare<P: Provider<N>>(
         &self,
         provider: &P,
         tx: &<N as Network>::TransactionRequest,
     ) -> TransportResult<Self::Fillable> {
-        match self.inner.prepare(provider, tx).await {
+        match (
-            Ok(fill) => Ok(Some(fill)),
+            self.inner.prepare(provider, tx).await,
-            Err(err) => {
+            self.enable_fallback_mechanism,
-                tracing::debug!(error = ?err, "Gas Provider Estimation Failed, using fallback");
+        ) {
+            // Return the same thing if either this calls succeeds, or if the call falls and the
+            // fallback mechanism is disabled.
+            (rtn @ Ok(..), ..) | (rtn @ Err(..), false) => rtn,
+            (Err(..), true) => {
+                // Perform a trace of the transaction.
+                let trace = provider
+                    .debug_trace_call(
+                        tx.clone(),
+                        BlockNumberOrTag::Latest.into(),
+                        GethDebugTracingCallOptions {
+                            tracing_options: GethDebugTracingOptions {
+                                tracer: Some(GethDebugTracerType::BuiltInTracer(
+                                    GethDebugBuiltInTracerType::CallTracer,
+                                )),
+                                ..Default::default()
+                            },
+                            state_overrides: Default::default(),
+                            block_overrides: Default::default(),
+                        },
+                    )
+                    .await?
+                    .try_into_call_frame()
+                    .map_err(|err| {
+                        RpcError::LocalUsageError(
+                            FallbackGasFillerError::new(format!(
+                                "Expected a callframe trace, but got: {err:?}"
+                            ))
+                            .boxed(),
+                        )
+                    })?;
 
-                if !self.use_fallback_gas_filler {
+                let gas_used = u64::try_from(trace.gas_used).map_err(|_| {
-                    Err(err)
+                    RpcError::LocalUsageError(
-                } else {
+                        FallbackGasFillerError::new(
-                    Ok(None)
+                            "Transaction trace returned a value of gas used that exceeds u64",
+                        )
+                        .boxed(),
+                    )
+                })?;
+                let gas_limit = gas_used.saturating_mul(120) / 100;
+
+                if let Some(gas_price) = tx.gas_price() {
+                    return Ok(GasFillable::Legacy {
+                        gas_limit,
+                        gas_price,
+                    });
                 }
+
+                let estimate = if let (Some(max_fee_per_gas), Some(max_priority_fee_per_gas)) =
+                    (tx.max_fee_per_gas(), tx.max_priority_fee_per_gas())
+                {
+                    alloy::eips::eip1559::Eip1559Estimation {
+                        max_fee_per_gas,
+                        max_priority_fee_per_gas,
+                    }
+                } else {
+                    provider.estimate_eip1559_fees().await?
+                };
+
+                Ok(GasFillable::Eip1559 {
+                    gas_limit,
+                    estimate,
+                })
             }
         }
     }
@@ -100,31 +163,35 @@ where
     async fn fill(
         &self,
         fillable: Self::Fillable,
-        mut tx: alloy::providers::SendableTx<N>,
+        tx: SendableTx<N>,
     ) -> TransportResult<SendableTx<N>> {
-        if let Some(fill) = fillable {
+        self.inner.fill(fillable, tx).await
-            let mut tx = self.inner.fill(fill, tx).await?;
-            if let Some(builder) = tx.as_mut_builder() {
-                if let Some(estimated) = builder.gas_limit() {
-                    let padded = estimated
-                        .checked_mul(GAS_ESTIMATE_PADDING_NUMERATOR)
-                        .and_then(|v| v.checked_div(GAS_ESTIMATE_PADDING_DENOMINATOR))
-                        .unwrap_or(u64::MAX);
-                    builder.set_gas_limit(padded);
-                }
-            }
-            Ok(tx)
-        } else if self.use_fallback_gas_filler {
-            if let Some(builder) = tx.as_mut_builder() {
-                builder.set_gas_limit(self.default_gas_limit);
-                builder.set_max_fee_per_gas(self.default_max_fee_per_gas);
-                builder.set_max_priority_fee_per_gas(self.default_priority_fee);
-            }
-            Ok(tx)
-        } else {
-            Err(TransportError::UnsupportedFeature(
-                "Fallback gas filler is disabled and we're attempting to do a gas estimate on a failing transaction",
-            ))
-        }
     }
 }
+
+impl Default for FallbackGasFiller {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+struct FallbackGasFillerError(Cow<'static, str>);
+
+impl FallbackGasFillerError {
+    pub fn new(string: impl Into<Cow<'static, str>>) -> Self {
+        Self(string.into())
+    }
+
+    pub fn boxed(self) -> Box<Self> {
+        Box::new(self)
+    }
+}
+
+impl Display for FallbackGasFillerError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        Display::fmt(&self.0, f)
+    }
+}
+
+impl std::error::Error for FallbackGasFillerError {}

crates/report/src/aggregator.rs

@@ -51,7 +51,7 @@ impl ReportAggregator {
         }
     }
 
-    pub fn into_task(mut self) -> (Reporter, impl Future<Output = Result<()>>) {
+    pub fn into_task(mut self) -> (Reporter, impl Future<Output = Result<Report>>) {
         let reporter = self
             .runner_tx
             .take()
@@ -60,7 +60,7 @@ impl ReportAggregator {
         (reporter, async move { self.aggregate().await })
     }
 
-    async fn aggregate(mut self) -> Result<()> {
+    async fn aggregate(mut self) -> Result<Report> {
         debug!("Starting to aggregate report");
 
         while let Some(event) = self.runner_rx.recv().await {
@@ -152,7 +152,7 @@ impl ReportAggregator {
             format!("Failed to serialize report JSON to {}", file_path.display())
         })?;
 
-        Ok(())
+        Ok(self.report)
     }
 
     fn handle_subscribe_to_events_event(&self, event: SubscribeToEventsEvent) {

scripts/process-differential-tests-report.py

@@ -5,51 +5,54 @@ CI. The full models used in the JSON report can be found in the revive different
 the models used in this script are just a partial reproduction of the full report models.
 """
 
-from typing import TypedDict, Literal, Union
+import json, typing, io, sys
-
-import json, io
 
 
-class Report(TypedDict):
+class Report(typing.TypedDict):
     context: "Context"
-    execution_information: dict[
+    execution_information: dict["MetadataFilePathString", "MetadataFileReport"]
-        "MetadataFilePathString",
-        dict["ModeString", dict["CaseIdxString", "CaseReport"]],
-    ]
 
 
-class Context(TypedDict):
+class MetadataFileReport(typing.TypedDict):
+    case_reports: dict["CaseIdxString", "CaseReport"]
+
+
+class CaseReport(typing.TypedDict):
+    mode_execution_reports: dict["ModeString", "ExecutionReport"]
+
+
+class ExecutionReport(typing.TypedDict):
+    status: "TestCaseStatus"
+
+
+class Context(typing.TypedDict):
     Test: "TestContext"
 
 
-class TestContext(TypedDict):
+class TestContext(typing.TypedDict):
     corpus_configuration: "CorpusConfiguration"
 
 
-class CorpusConfiguration(TypedDict):
+class CorpusConfiguration(typing.TypedDict):
     test_specifiers: list["TestSpecifier"]
 
 
-class CaseReport(TypedDict):
+class CaseStatusSuccess(typing.TypedDict):
-    status: "CaseStatus"
+    status: typing.Literal["Succeeded"]
-
-
-class CaseStatusSuccess(TypedDict):
-    status: Literal["Succeeded"]
     steps_executed: int
 
 
-class CaseStatusFailure(TypedDict):
+class CaseStatusFailure(typing.TypedDict):
-    status: Literal["Failed"]
+    status: typing.Literal["Failed"]
     reason: str
 
 
-class CaseStatusIgnored(TypedDict):
+class CaseStatusIgnored(typing.TypedDict):
-    status: Literal["Ignored"]
+    status: typing.Literal["Ignored"]
     reason: str
 
 
-CaseStatus = Union[CaseStatusSuccess, CaseStatusFailure, CaseStatusIgnored]
+TestCaseStatus = typing.Union[CaseStatusSuccess, CaseStatusFailure, CaseStatusIgnored]
 """A union type of all of the possible statuses that could be reported for a case."""
 
 TestSpecifier = str
@@ -64,6 +67,12 @@ MetadataFilePathString = str
 CaseIdxString = str
 """The index of a case as a string. For example '0'"""
 
+PlatformString = typing.Union[
+    typing.Literal["revive-dev-node-revm-solc"],
+    typing.Literal["revive-dev-node-polkavm-resolc"],
+]
+"""A string of the platform on which the test was run"""
+
 
 def path_relative_to_resolc_compiler_test_directory(path: str) -> str:
     """
@@ -78,12 +87,22 @@ def path_relative_to_resolc_compiler_test_directory(path: str) -> str:
 
 
 def main() -> None:
-    with open("report.json", "r") as file:
+    with open(sys.argv[1], "r") as file:
         report: Report = json.load(file)
 
+    # Getting the platform string and resolving it into a simpler version of
+    # itself.
+    platform_identifier: PlatformString = typing.cast(PlatformString, sys.argv[2])
+    if platform_identifier == "revive-dev-node-polkavm-resolc":
+        platform: str = "PolkaVM"
+    elif platform_identifier == "revive-dev-node-revm-solc":
+        platform: str = "REVM"
+    else:
+        platform: str = platform_identifier
+
     # Starting the markdown document and adding information to it as we go.
     markdown_document: io.TextIOWrapper = open("report.md", "w")
-    print("# Differential Tests Results", file=markdown_document)
+    print(f"# Differential Tests Results ({platform})", file=markdown_document)
 
     # Getting all of the test specifiers from the report and making them relative to the tests dir.
     test_specifiers: list[str] = list(
@@ -94,7 +113,7 @@ def main() -> None:
     )
     print("## Specified Tests", file=markdown_document)
     for test_specifier in test_specifiers:
-        print(f"* `{test_specifier}`", file=markdown_document)
+        print(f"* ``{test_specifier}``", file=markdown_document)
 
     # Counting the total number of test cases, successes, failures, and ignored tests
     total_number_of_cases: int = 0
@@ -102,9 +121,13 @@ def main() -> None:
     total_number_of_failures: int = 0
     total_number_of_ignores: int = 0
     for _, mode_to_case_mapping in report["execution_information"].items():
-        for _, case_idx_to_report_mapping in mode_to_case_mapping.items():
+        for _, case_idx_to_report_mapping in mode_to_case_mapping[
-            for _, case_report in case_idx_to_report_mapping.items():
+            "case_reports"
-                status: CaseStatus = case_report["status"]
+        ].items():
+            for _, execution_report in case_idx_to_report_mapping[
+                "mode_execution_reports"
+            ].items():
+                status: TestCaseStatus = execution_report["status"]
 
                 total_number_of_cases += 1
                 if status["status"] == "Succeeded":
@@ -144,9 +167,13 @@ def main() -> None:
     for metadata_file_path, mode_to_case_mapping in report[
         "execution_information"
     ].items():
-        for mode_string, case_idx_to_report_mapping in mode_to_case_mapping.items():
+        for case_idx_string, case_idx_to_report_mapping in mode_to_case_mapping[
-            for case_idx_string, case_report in case_idx_to_report_mapping.items():
+            "case_reports"
-                status: CaseStatus = case_report["status"]
+        ].items():
+            for mode_string, execution_report in case_idx_to_report_mapping[
+                "mode_execution_reports"
+            ].items():
+                status: TestCaseStatus = execution_report["status"]
                 metadata_file_path: str = (
                     path_relative_to_resolc_compiler_test_directory(metadata_file_path)
                 )
@@ -183,9 +210,13 @@ def main() -> None:
     for metadata_file_path, mode_to_case_mapping in report[
         "execution_information"
     ].items():
-        for mode_string, case_idx_to_report_mapping in mode_to_case_mapping.items():
+        for case_idx_string, case_idx_to_report_mapping in mode_to_case_mapping[
-            for case_idx_string, case_report in case_idx_to_report_mapping.items():
+            "case_reports"
-                status: CaseStatus = case_report["status"]
+        ].items():
+            for mode_string, execution_report in case_idx_to_report_mapping[
+                "mode_execution_reports"
+            ].items():
+                status: TestCaseStatus = execution_report["status"]
                 metadata_file_path: str = (
                     path_relative_to_resolc_compiler_test_directory(metadata_file_path)
                 )
@@ -194,7 +225,9 @@ def main() -> None:
                 if status["status"] != "Failed":
                     continue
 
-                failure_reason: str = status["reason"].replace("\n", " ")
+                failure_reason: str = (
+                    status["reason"].replace("\n", " ").replace("|", " ")
+                )
 
                 note: str = ""
                 modes_where_this_case_succeeded: set[ModeString] = (
@@ -212,7 +245,7 @@ def main() -> None:
                     f"{metadata_file_path}::{case_idx_string}::{mode_string}"
                 )
                 print(
-                    f"| `{test_specifier}` | `{failure_reason}` | {note} |",
+                    f"| ``{test_specifier}`` | ``{failure_reason}`` | {note} |",
                     file=markdown_document,
                 )
     print("\n\n</details>", file=markdown_document)