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README.md

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----
-license: cc-by-nc-4.0
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+---
+license: cc-by-nc-4.0
+tags:
+- ethereum
+- evm
+- blockchain
+- cryptocurrency
+- crypto
+- onchain-data
+- tabular
+- timeseries
+- datasets
+- pandas
+- polars
+- duckdb
+pretty_name: BlockDB Raw Internal Transactions - Sample
+size_categories:
+- 10M<n<100M
+---
+
+![BlockDB Banner](./assets/banner.jpg)
+
+## Sample Notice
+
+This dataset contains **a small sample** of the full BlockDB Raw Internal Transactions 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
+Full call-trace decomposition of every EVM transaction via debug_traceTransaction. Each row represents a single internal call within a transaction, including the full call tree position, call type, addresses, value transferred, gas allocation and consumption, and input/output data — providing complete internal execution visibility beyond top-level transactions.
+
+
+## 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:
+
+	•	block_number BIGINT – Block number of the parent transaction
+	•	block_time TIMESTAMPTZ – UTC timestamp when the block was mined
+	•	tx_index INTEGER – Zero-based index of the parent transaction within the block
+	•	trace_address TEXT – Position in the call tree (e.g., "0", "0.0", "0.1")
+	•	call_type TEXT – Type of call: CALL, DELEGATECALL, STATICCALL, CREATE, CREATE2
+	•	from_address BYTEA – Address of the caller (20 bytes)
+	•	to_address BYTEA – Address of the callee (20 bytes); null for failed CREATE/CREATE2
+	•	value_wei NUMERIC – Native value (in wei) transferred in this call
+	•	gas NUMERIC – Gas allocated for this call
+	•	gas_used NUMERIC – Gas actually consumed by this call
+	•	input BYTEA – Input data (calldata) for this call
+	•	output BYTEA – Return data from the call (null if reverted)
+	•	error TEXT – Error message if the call reverted
+	•	tx_success BOOLEAN – Success of the underlying transaction
+	•	_tracing_id BYTEA – Deterministic tracing ID of this internal transaction record
+	•	_created_at TIMESTAMPTZ – Record creation timestamp
+	•	_updated_at TIMESTAMPTZ – Record last update timestamp
+
+
+### Notes
+	•	Primary key: (block_number, tx_index, trace_address).
+	•	trace_address encodes call depth and position: "0" is the root call, "0.1" is the second sub-call of the first call.
+	•	FK: (block_number, tx_index) → blockdb_evm.b0102_transactions_v1.
+	•	Use encode(from_address, 'hex') or encode(to_address, 'hex') to convert binary values to hex.
+
+
+## Lineage
+Each internal transaction record includes a deterministic _tracing_id, providing:
+
+	•	Provenance tracking from raw call traces to internal execution events
+	•	Reproducible analytics and signal extraction
+	•	Cross-system consistency checks (RPC vs. indexers vs. internal warehouses)
+
+
+## Common Use Cases
+	•	Contract creation and factory flow analysis
+	•	Internal call graphs and cross-contract dependencies
+	•	Value flow and gas consumption per call frame
+	•	Debugging failed transactions and tracing revert reasons
+	•	MEV and arbitrage path reconstruction
+
+
+## Quality
+	•	Verifiable lineage: deterministic cryptographic hashes per row
+	•	Reorg-aware ingestion: continuity and consistency across forks
+	•	Complete historical coverage: from chain genesis to present

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