Upload 5 files

README.md

@@ -0,0 +1,94 @@
+---
+license: cc-by-nc-4.0
+tags:
+- ethereum
+- evm
+- blockchain
+- cryptocurrency
+- crypto
+- onchain-data
+- tabular
+- timeseries
+- datasets
+- pandas
+- polars
+- duckdb
+pretty_name: BlockDB Swap Fees - Sample
+size_categories:
+- 10M<n<100M
+---
+
+## Sample Notice
+
+This dataset contains **a small sample** of the full BlockDB Swap Fees dataset.  
+It is provided **for evaluation, research, and interoperability testing only**.
+
+If you need full historical coverage, real-time streaming, or end-of-day (EOD) exports
+please contact us directly:
+
+📧 **support@blockdb.io**  
+🌐 https://www.blockdb.io  
+
+
+## Dataset Overview
+Per-swap fee accounting with detailed breakdown. Each row represents fee amounts collected on a specific swap event, including total fee, user/LP share, protocol share, and extra fees (burn/staking), all denominated in the fee token (typically token_in).
+
+
+## Chains and Coverage
+ETH, BSC, Base, Arbitrum, Unichain, Avalanche, Polygon, Celo, Linea, Optimism (others on request).
+Full history from chain genesis; reorg-aware real-time ingestion and updates.
+
+
+## Schema
+List of columns exactly as delivered:
+
+	•	id BIGINT – Unique swap fee record identifier (primary key)
+	•	pool_uid BYTEA – Unique pool identifier (FK to liquidity_pools)
+	•	exchange_id INTEGER – Exchange/DEX identifier
+	•	type_id INTEGER – Pool type identifier (FK to liquidity_pool_types)
+	•	block_number BIGINT – Block when the swap was observed
+	•	block_time TIMESTAMPTZ – UTC timestamp when the block was mined
+	•	tx_index INTEGER – Transaction index within the block
+	•	log_index INTEGER – Log index within the block
+	•	token_in BYTEA – 20-byte address of input token
+	•	token_out BYTEA – 20-byte address of output token
+	•	fee_token BYTEA – 20-byte address of the token fees are denominated in
+	•	amount_in NUMERIC(78,0) – Executed input amount (decimals-adjusted)
+	•	amount_out NUMERIC(78,0) – Executed output amount (decimals-adjusted)
+	•	fee_amount_total NUMERIC(78,0) – Total fee amount in fee_token units
+	•	fee_amount_user NUMERIC(78,0) – LP/user share in fee_token units
+	•	fee_amount_protocol NUMERIC(78,0) – Protocol share in fee_token units
+	•	fee_amount_extra NUMERIC(78,0) – Other share in fee_token units (burn/staking/etc.)
+	•	_tracing_id BYTEA – Tracing ID of this swap fees record
+	•	_genesis_tracing_ids BYTEA[] – Tracing IDs of the genesis records leading to this record
+	•	_parent_tracing_ids BYTEA[] – Tracing IDs of the parent records leading to this record
+	•	_created_at TIMESTAMPTZ – Record creation timestamp
+	•	_updated_at TIMESTAMPTZ – Record last update timestamp
+
+
+### Notes
+	•	fee_token is either token_in or token_out; fee_amount_total ≤ amount of fee_token.
+	•	fee_amount_user + fee_amount_protocol + fee_amount_extra ≤ fee_amount_total.
+	•	Unique constraint: (pool_uid, token_in, token_out, block_number, tx_index, log_index) guarantees one fee record per swap log per direction.
+	•	Indexes on (pool_uid, block_number DESC, tx_index DESC, log_index DESC), (pool_uid, block_time DESC, tx_index DESC, log_index DESC), (block_number, tx_index, log_index), block_time, and (token_in, token_out, block_time DESC) support fast lookups.
+
+
+## Lineage
+Each swap fee record includes deterministic _tracing_id, _genesis_tracing_ids, and _parent_tracing_ids, providing:
+
+	•	Provenance tracking from raw logs to decoded fee events
+	•	Reproducible analytics and signal extraction
+	•	Cross-system consistency checks (RPC vs. indexers vs. internal warehouses)
+
+
+## Common Use Cases
+	•	LP revenue analysis and yield estimation
+	•	Protocol fee revenue tracking
+	•	Cost of execution analysis for traders
+	•	Fee tier comparison across DEXes and pools
+
+
+## Quality
+	•	Verifiable lineage: deterministic cryptographic hashes per row
+	•	Reorg-aware ingestion: continuity and consistency across forks
+	•	Complete historical coverage: from chain genesis to present

data/blockdb0303_liquidity_pools_swap_fees_v1.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3e5f5f3e1ff75dbc2abf37e71ee2291c16050eb3f9cfd87d2490d3d3e7a6563b
+size 280016