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feat(l1): getBlockHeaders eth capability test #989

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merged 37 commits into from
Nov 5, 2024

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fkrause98
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@fkrause98 fkrause98 commented Oct 25, 2024

Motivation

We' re still missing support for the eth p2p capability, this adds support for the message "getBlockHeaders",
tested with the hive test suite.

Closes #955.

Base automatically changed from 840-rlpx-listen-loop to main October 29, 2024 18:47
@fkrause98 fkrause98 marked this pull request as ready for review October 31, 2024 20:14
@fkrause98 fkrause98 requested a review from a team as a code owner October 31, 2024 20:14
Comment on lines 140 to 153
if store
.update_latest_block_number(block.header.number)
.is_err()
{
error!("Fatal: added block {} but could not update the block number -- aborting block import", block.header.number);
break;
};
if store
.set_canonical_block(block.header.number, hash)
.is_err()
{
error!("Fatal: added block {} but could not set it as canonical -- aborting block import", block.header.number);
break;
};
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This is already fixed by apply_fork_choice

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How so? 🤔

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apply_fork_choice in line 157 sets the last block imported as the head, which makes all its ancestor blocks canonical. I'd check removing this as Fede suggests and checking everything still works.

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Removed!

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@Arkenan Arkenan left a comment

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Approved assuming error handling is fixed.

Comment on lines 140 to 153
if store
.update_latest_block_number(block.header.number)
.is_err()
{
error!("Fatal: added block {} but could not update the block number -- aborting block import", block.header.number);
break;
};
if store
.set_canonical_block(block.header.number, hash)
.is_err()
{
error!("Fatal: added block {} but could not set it as canonical -- aborting block import", block.header.number);
break;
};
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apply_fork_choice in line 157 sets the last block imported as the head, which makes all its ancestor blocks canonical. I'd check removing this as Fede suggests and checking everything still works.

@@ -330,6 +336,34 @@ impl<T1: RLPDecode, T2: RLPDecode, T3: RLPDecode> RLPDecode for (T1, T2, T3) {
}
}

impl<
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nit: a small comment stating that this decodes a 4-element list as a tuple would be helpful.

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Done!

pub fn fetch_headers(&self, storage: &Store) -> Vec<BlockHeader> {
let start_block = match self.startblock {
// Check we have the given block hash and fetch its number
HashOrNumber::Hash(block_hash) => storage.get_block_number(block_hash).ok().flatten(),
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Same as the other PR here, we should return an empty response + log if error.

for _ in 0..limit {
let Some(block_header) = storage
.get_block_header(current_block as u64)
.ok()
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Same here.

@fkrause98 fkrause98 added this pull request to the merge queue Nov 5, 2024
Merged via the queue into main with commit 9379be4 Nov 5, 2024
13 checks passed
@fkrause98 fkrause98 deleted the p2p-test-get-block-headers branch November 5, 2024 16:41
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[TESTS] Hive P2P test GetBlockHeaders
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