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Remove kzgpad
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gianbelinche committed Nov 15, 2024
1 parent f55a424 commit 8fc3768
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Showing 3 changed files with 47 additions and 12 deletions.
9 changes: 0 additions & 9 deletions Cargo.lock

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1 change: 0 additions & 1 deletion core/node/da_clients/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,6 @@ pbjson-types.workspace = true
# Eigen dependencies
tokio-stream.workspace = true
rlp.workspace = true
kzgpad-rs = { git = "https://github.com/Layr-Labs/kzgpad-rs.git", tag = "v0.1.0" }
rand.workspace = true
sha3.workspace = true
tiny-keccak.workspace = true
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49 changes: 47 additions & 2 deletions core/node/da_clients/src/eigen/sdk.rs
Original file line number Diff line number Diff line change
Expand Up @@ -344,8 +344,8 @@ impl RawEigenClient {
is_retriable: false,
});
}
//TODO: remove zkgpad_rs
let data = kzgpad_rs::remove_empty_byte_from_padded_bytes(&get_response.data);

let data = remove_empty_byte_from_padded_bytes(&get_response.data);
Ok(Some(data))
}
}
Expand Down Expand Up @@ -383,3 +383,48 @@ fn convert_by_padding_empty_byte(data: &[u8]) -> Vec<u8> {
valid_data.truncate(valid_end);
valid_data
}

#[cfg(test)]
fn remove_empty_byte_from_padded_bytes(data: &[u8]) -> Vec<u8> {
let parse_size = DATA_CHUNK_SIZE;

// Calculate the number of chunks
let data_len = (data.len() + parse_size - 1) / parse_size;

// Pre-allocate `valid_data` with enough space for all chunks
let mut valid_data = vec![0u8; data_len * (DATA_CHUNK_SIZE - 1)];
let mut valid_end = data_len * (DATA_CHUNK_SIZE - 1);

for (i, chunk) in data.chunks(parse_size).enumerate() {
let offset = i * (DATA_CHUNK_SIZE - 1);

let copy_end = offset + chunk.len() - 1;
valid_data[offset..copy_end].copy_from_slice(&chunk[1..]);

if i == data_len - 1 && chunk.len() < parse_size {
valid_end = offset + chunk.len() - 1;
}
}

valid_data.truncate(valid_end);
valid_data
}

#[cfg(test)]
mod test {
#[test]
fn test_pad_and_unpad() {
let data = vec![1, 2, 3, 4, 5, 6, 7, 8, 9];
let padded_data = super::convert_by_padding_empty_byte(&data);
let unpadded_data = super::remove_empty_byte_from_padded_bytes(&padded_data);
assert_eq!(data, unpadded_data);
}

#[test]
fn test_pad_and_unpad_large() {
let data = vec![1; 1000];
let padded_data = super::convert_by_padding_empty_byte(&data);
let unpadded_data = super::remove_empty_byte_from_padded_bytes(&padded_data);
assert_eq!(data, unpadded_data);
}
}

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