Logs - Allium Documentation Hub

Logs (or event logs), is a way for smart contracts to communicate with the outside world by “documenting” small pieces of information. Event logs allow other people to know that something has happened without them having to query the contract directly.

Table Details

Property	Value
Table Name	`imx-zkevm.raw.logs`
Table Status	Production-Ready
Unique Key	`block_timestamp`, `transaction_hash`, `log_index`
Clustering Key(s)	`to_date("block_timestamp")`
Search Optimization	`transaction_hash`, `block_number`, `topic0`, `address`

Table Columns

Column Name	Data Type	Description
log_index	NUMBER(38,0)	The position of this log in the block that it belongs to. The first log has index 0.
transaction_hash	VARCHAR(66)	Unique identifier of the transaction that this log belongs to.
transaction_index	NUMBER(38,0)	The position of this transaction in the block that it belongs to. The first transaction has index 0.
address	VARCHAR(42)	The address of the contract that emitted this log.
data	VARCHAR(16777216)	Unindexed data containing further information of the event, encoded in hex.
topic0	VARCHAR(66)	The keccak256 hash of a flattened event signature string.
topic1	VARCHAR(66)	First indexed topic of the event.
topic2	VARCHAR(66)	Second indexed topic of the event.
topic3	VARCHAR(66)	Third indexed topic of the event.
block_timestamp	TIMESTAMP_NTZ(9)	The time when the block that contains this log was included on the blockchain.
block_number	NUMBER(38,0)	The length of the chain, in blocks.
block_hash	VARCHAR(66)	Unique identifier of the block that includes this log.
_created_at	TIMESTAMP_NTZ(9)	Timestamp of the entry creation.
_updated_at	TIMESTAMP_NTZ(9)	Timestamp of the entry update.
from_address	VARCHAR(42)	The address of the sending party of this transaction.
to_address	VARCHAR(42)	The address of the receiving party of this transaction, typically a contract address for logs.

EVM Raw Logs

​Table Details

​Table Columns

​Related Docs

Table Details

Table Columns

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