sei_getLogs - SEI

Example code for the sei_getLogs JSON-RPC method. Complete guide on how to use sei_getLogs JSON-RPC in GetBlock Web3 documentation

Returns logs matching the filter criteria on Sei, including synthetic logs generated from Cosmos events. This extends eth_getLogs to support cross-VM event tracking.

Parameters

Parameter	Type	Description
filter	object	Filter object with 'fromBlock', 'toBlock', 'address', 'topics' fields

Request

cURL

curl --location 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data '{
    "jsonrpc": "2.0",
    "method": "sei_getLogs",
    "params": [{"fromBlock": "0x4B8F000", "toBlock": "latest", "address": "0x1234567890abcdef1234567890abcdef12345678"}],
    "id": "getblock.io"
}'

JavaScript (axios)

Python (requests)

Rust (reqwest)

Response

{
    "jsonrpc": "2.0",
    "id": "getblock.io",
    "result": [
        {
            "address": "0x123456...",
            "topics": ["0xddf252ad..."],
            "data": "0x...",
            "blockNumber": "0x4B8F2A1",
            "synthetic": true
        }
    ]
}

Response Parameters

Field	Type	Description
result	array	Array of log objects including synthetic logs
synthetic	boolean	Indicates if the log is synthetic (from Cosmos)

Use Case

The sei_getLogs method is essential for:

• Blockchain developers building applications on Sei

• Wallet applications requiring network data

• Analytics platforms tracking Sei network activity

• DeFi protocols integrating with Sei's parallelized EVM

Error Handling

Common errors when using this method:

Error Code	Message	Description
-32700	Parse error	Invalid JSON
-32600	Invalid Request	JSON is not a valid request object
-32601	Method not found	Method does not exist
-32602	Invalid params	Invalid method parameters
-32603	Internal error	Internal JSON-RPC error
-32000	Invalid input	Generic input error
-32500	Cross-VM error	Error in cross-VM operation (Sei-specific)

Web3 Integration

Ethers.js

import { ethers } from 'ethers';

const provider = new ethers.JsonRpcProvider('https://go.getblock.io/<ACCESS-TOKEN>/');

// Using ethers provider methods
const result = await provider.send('sei_getLogs', [{"fromBlock": "0x4B8F000", "toBlock": "latest", "address": "0x1234567890abcdef1234567890abcdef12345678"}]);
console.log(result);

Viem