fix(opdn): Implement from-l2 subcommand with generated fixture

Cargo.toml

@@ -1,6 +1,6 @@
 [workspace]
 members = ["crates/*", "bin/*"]
-default-members = ["bin/opt8n", "bin/opd8n", "bin/range-finder"]
+default-members = ["bin/opt8n", "bin/opdn", "bin/range-finder"]
 resolver = "2"
 
 [workspace.package]
@@ -25,6 +25,7 @@ clap = { version = "4", features = ["derive"] }
 shellwords = "1"
 reqwest = "0.12"
 tracing-subscriber = "0.3.18"
+hashbrown = "0.14.5"
 
 # Alloy Dependencies
 op-alloy-rpc-types = "0.1.4"
@@ -35,17 +36,17 @@ alloy-eips = { version = "0.2" }
 alloy-rpc-types = { version = "0.2" }
 
 # Foundry Dependencies
-foundry-common = { git = "https://github.com/foundry-rs/foundry", default-features = true, rev = "26a7559758c192911dd39ce7d621a18ef0d419e6" }
-foundry-compilers = { git = "https://github.com/foundry-rs/foundry", default-features = true, rev = "26a7559758c192911dd39ce7d621a18ef0d419e6" }
-anvil = { git = "https://github.com/foundry-rs/foundry", default-features = true, rev = "26a7559758c192911dd39ce7d621a18ef0d419e6" }
-anvil-core = { git = "https://github.com/foundry-rs/foundry", default-features = true, rev = "26a7559758c192911dd39ce7d621a18ef0d419e6" }
-cast = { git = "https://github.com/foundry-rs/foundry", rev = "26a7559758c192911dd39ce7d621a18ef0d419e6" }
-forge-script = { git = "https://github.com/foundry-rs/foundry", rev = "26a7559758c192911dd39ce7d621a18ef0d419e6" }
+foundry-common = { git = "https://github.com/foundry-rs/foundry", default-features = true, rev = "c600237f3e54604274bfdcba627f347493fd21d2" }
+foundry-compilers = { git = "https://github.com/foundry-rs/foundry", default-features = true, rev = "c600237f3e54604274bfdcba627f347493fd21d2" }
+anvil = { git = "https://github.com/foundry-rs/foundry", default-features = true, rev = "c600237f3e54604274bfdcba627f347493fd21d2" }
+anvil-core = { git = "https://github.com/foundry-rs/foundry", default-features = true, rev = "c600237f3e54604274bfdcba627f347493fd21d2" }
+cast = { git = "https://github.com/foundry-rs/foundry", rev = "c600237f3e54604274bfdcba627f347493fd21d2" }
+forge-script = { git = "https://github.com/foundry-rs/foundry", rev = "c600237f3e54604274bfdcba627f347493fd21d2" }
 revm = { version = "12.1", features = ["alloydb", "optimism"] }
 
 # Kona + OP Types
 superchain-registry = "0.2.2"
-kona-derive = { git = "https://github.com/ethereum-optimism/kona", rev = "6f7c119d93c854d31de27feadbe11362bafe9cfc", features = ["online"] }
+kona-derive = { git = "https://github.com/ethereum-optimism/kona", rev = "4e57dd35ea08b31d0baa293c7a12165f28e6cd92", features = ["online"] }
 
 # Internal
 op-test-vectors = { path = "crates/op-test-vectors" }

bin/opd8n/Cargo.toml → bin/opdn/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "opd8n"
+name = "opdn"
 version = "0.2.0"
 edition.workspace = true
 authors.workspace = true
@@ -10,6 +10,7 @@ publish = false
 
 [dependencies]
 # Core
+hashbrown.workspace = true
 serde.workspace = true
 tracing.workspace = true
 serde_json.workspace = true

bin/opd8n/README.md → bin/opdn/README.md

@@ -1,3 +1,3 @@
-# `opd8n`
+# `opdn`
 
 A CLI-tool for creating derivation test fixtures.

bin/opd8n/src/cmd/blobs.rs → bin/opdn/src/cmd/blobs.rs

@@ -5,7 +5,9 @@ use alloy_primitives::{Address, TxKind};
 use color_eyre::Result;
 use tracing::warn;
 
-use kona_derive::online::{OnlineBeaconClient, OnlineBlobProvider, SimpleSlotDerivation};
+use kona_derive::online::{
+    OnlineBeaconClient, OnlineBlobProviderWithFallback, SimpleSlotDerivation,
+};
 use kona_derive::traits::BlobProvider;
 use kona_derive::types::{Blob, BlockInfo, IndexedBlobHash};
 
@@ -15,7 +17,11 @@ pub async fn load(
     txs: &[TxEnvelope],
     batcher_address: Address,
     signer: Address,
-    provider: &mut OnlineBlobProvider<OnlineBeaconClient, SimpleSlotDerivation>,
+    provider: &mut OnlineBlobProviderWithFallback<
+        OnlineBeaconClient,
+        OnlineBeaconClient,
+        SimpleSlotDerivation,
+    >,
 ) -> Result<Vec<Box<Blob>>> {
     let blob_hashes = extract_blob_data(batcher_address, signer, txs);
 

bin/opdn/src/cmd/fixtures.rs

@@ -0,0 +1,68 @@
+//! Logic for building the derivation fixture blocks.
+
+use crate::cmd::blobs;
+use alloy_eips::eip2718::Encodable2718;
+use alloy_primitives::Address;
+use color_eyre::eyre::{eyre, Result};
+use kona_derive::online::{
+    AlloyChainProvider, OnlineBeaconClient, OnlineBlobProviderWithFallback, SimpleSlotDerivation,
+};
+use kona_derive::traits::ChainProvider;
+use op_test_vectors::derivation::FixtureBlock;
+
+/// Constructs [FixtureBlock]s for the given L1 blocks.
+pub async fn build_fixture_blocks(
+    batcher_address: Address,
+    signer: Address,
+    blocks: &[u64],
+    l1_provider: &mut AlloyChainProvider,
+    blob_provider: &mut OnlineBlobProviderWithFallback<
+        OnlineBeaconClient,
+        OnlineBeaconClient,
+        SimpleSlotDerivation,
+    >,
+) -> Result<Vec<FixtureBlock>> {
+    let mut fixtures = Vec::with_capacity(blocks.len());
+    for b in blocks {
+        let block_info = l1_provider
+            .block_info_by_number(*b)
+            .await
+            .map_err(|e| eyre!(e))?;
+        let block_header = l1_provider
+            .header_by_hash(block_info.hash)
+            .await
+            .map_err(|e| eyre!(e))?;
+        let (_, txs) = l1_provider
+            .block_info_and_transactions_by_hash(block_info.hash)
+            .await
+            .map_err(|e| eyre!(e))?;
+        let mut transactions = Vec::with_capacity(txs.len());
+        for tx in txs.as_slice() {
+            let mut out = Vec::new();
+            tx.encode_2718(&mut out);
+            transactions.push(out.into());
+        }
+        let receipts = l1_provider
+            .receipts_by_hash(block_info.hash)
+            .await
+            .map_err(|e| eyre!(e))?;
+
+        let blobs = blobs::load(
+            &block_info,
+            txs.as_slice(),
+            batcher_address,
+            signer,
+            blob_provider,
+        )
+        .await?;
+
+        let fixture = FixtureBlock {
+            header: block_header,
+            transactions,
+            blobs,
+            receipts,
+        };
+        fixtures.push(fixture);
+    }
+    Ok(fixtures)
+}