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WIP: remaining fetcher hints #250

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WIP: remaining fetcher hints #250

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e2c6f58
l2 code hint type
zobront Jun 14, 2024
f11aa73
l2 header hint type
zobront Jun 14, 2024
52268f8
feat(host): More hint routes
clabby Jun 11, 2024
4815209
Merge branch zach/fetcher-hints into cl/more-host-hints
zobront Jun 14, 2024
0679f95
small fixes
zobront Jun 14, 2024
245e4bc
merge
zobront Jun 14, 2024
a8b0a35
fix merge errors
zobront Jun 14, 2024
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14 changes: 7 additions & 7 deletions bin/host/src/fetcher/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -191,7 +191,7 @@ where
anyhow::bail!("Invalid hint data length: {}", hint_data.len());
}

// Fetch the raw header from the L1 chain provider.
// Fetch the raw header from the L2 chain provider.
let hash: B256 = hint_data
.as_ref()
.try_into()
Expand All @@ -209,7 +209,7 @@ where
PreimageKey::new(*hash, PreimageKeyType::Keccak256).into(),
raw_header.into(),
);
}
},
HintType::L2Transactions => todo!(),
HintType::L2Code => {
// geth hashdb scheme code hash key prefix
Expand Down Expand Up @@ -277,11 +277,11 @@ where
.await
.map_err(|e| anyhow!("Failed to fetch account proof: {e}"))?;

let mut raw_output = [0u8; 97];
raw_output[0] = OUTPUT_ROOT_VERSION;
raw_output[1..33].copy_from_slice(header.state_root.as_ref());
raw_output[33..65].copy_from_slice(l2_to_l1_message_passer.storage_hash.as_ref());
raw_output[65..97].copy_from_slice(self.l2_head.as_ref());
let mut raw_output = [0u8; 128];
raw_output[31] = OUTPUT_ROOT_VERSION;
raw_output[32..64].copy_from_slice(header.state_root.as_ref());
raw_output[64..96].copy_from_slice(l2_to_l1_message_passer.storage_hash.as_ref());
raw_output[96..128].copy_from_slice(self.l2_head.as_ref());
let output_root = keccak256(raw_output);

let mut kv_write_lock = self.kv_store.write().await;
Expand Down
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