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license: cc0-1.0
language:
- en
tags:
- hyperliquid
- blockchain
- rev
- chain-data
size_categories:
- 10B<n<100B
---
# Hyperliquid Chain Captures
Date-partitioned captures of HyperLiquid chain state for research use. Each date partition contains both **raw** node outputs (replica command logs, hourly event dumps, L2 book snapshots) and **processed** Parquet files derived from those raw captures.
The dataset is forward-compatible for additional dates: each date lives under its own top-level directory.
## Layout
```
<date>/ # e.g., 2026-03-01/
├── raw/ # native node outputs, lz4-compressed where applicable
│ ├── replica_cmds/
│ │ └── <capture_timestamp>/
│ │ └── <date>/
│ │ └── <block_number> # ~2-7 GB per file, block-range chunks
│ ├── asset_ctxs/
│ │ └── <date>.csv.lz4
│ ├── misc_events_by_block/
│ │ └── hourly/<date>/<hour> # per-hour event bundle
│ └── market_data/
│ └── <date>/<window>/l2Book/<symbol> # L2 book per symbol per window
└── processed/ # derived Parquet (zstd-compressed)
├── replica_cmds/part-0000.zstd.parquet
├── asset_ctxs/part-0000.zstd.parquet
├── misc_events_by_block/part-{0000..N}.zstd.parquet
└── market_data/part-0000.zstd.parquet
```
Each `processed/` directory also contains a `_manifest.json` documenting the row count, schema fingerprint, and source raw files for the Parquet output.
## Loading the processed data
```python
import pandas as pd
# Replica commands for a given date
df = pd.read_parquet(
"https://huggingface.co/datasets/xylemgroup/hyperliquid-chain-captures/resolve/main/2026-03-01/processed/replica_cmds/part-0000.zstd.parquet"
)
```
Or via `datasets`:
```python
from datasets import load_dataset
ds = load_dataset(
"xylemgroup/hyperliquid-chain-captures",
data_files="2026-03-01/processed/replica_cmds/part-0000.zstd.parquet",
)
```
## Available dates
| Date | Raw size | Processed size | Block ranges covered (replica_cmds) |
|------------|-----------|----------------|-------------------------------------------------------|
| 2026-03-01 | ~29.1 GB | ~4.6 GB | 909,310,000–909,330,000 and 909,615,000–909,630,000 |
## Source
HyperLiquid chain replica state, captured via the official replica command logs. The raw `replica_cmds` files are the unmodified node-side output for the indicated block ranges. The `processed` Parquet files are deterministic derivations of the raw inputs — schemas and source-file lineage are recorded per-dataset in the corresponding `_manifest.json`.
## License
Released under **CC0 1.0** (public domain dedication). The underlying chain data is public; this dataset is the captured form of it. No attribution required.
|