Make it compilable (still bunch to fix!)

src/node/evm/assembler.rs

@@ -0,0 +1,32 @@
+use crate::{
+    node::evm::config::{HlBlockExecutorFactory, HlEvmConfig},
+    HlBlock, HlBlockBody,
+};
+use alloy_consensus::{Block, Header};
+use reth_evm::{
+    block::BlockExecutionError,
+    execute::{BlockAssembler, BlockAssemblerInput},
+};
+
+impl BlockAssembler<HlBlockExecutorFactory> for HlEvmConfig {
+    type Block = HlBlock;
+
+    fn assemble_block(
+        &self,
+        input: BlockAssemblerInput<'_, '_, HlBlockExecutorFactory, Header>,
+    ) -> Result<Self::Block, BlockExecutionError> {
+        let Block { header, body: inner } = self.block_assembler.assemble_block(input)?;
+        Ok(HlBlock {
+            header,
+            body: HlBlockBody {
+                inner,
+                // HACK: we're setting sidecars to `None` here but ideally we should somehow get
+                // them from the payload builder.
+                //
+                // Payload building is out of scope of reth-bsc for now, so this is not critical
+                sidecars: None,
+                read_precompile_calls: None,
+            },
+        })
+    }
+}