eth_getLogs - Astar RPC Method
Query event logs on Astar. Essential for indexing cross-chain DeFi, multi-VM smart contracts, and XCM-enabled interoperability with Ethereum and Cosmos on Polkadot's leading dApp hub supporting EVM, WASM, and upcoming PolkaVM environments.
Returns an array of all logs matching a given filter object on Astar.
Why Astar? Build on Polkadot's leading dApp hub supporting EVM, WASM, and upcoming PolkaVM environments with EVM + WASM + PolkaVM support, Build2Earn developer rewards, dApp Staking, and Soneium cross-layer integration.
Use Cases
The eth_getLogs method is essential for:
- Event indexing - Track contract events for cross-chain DeFi, multi-VM smart contracts, and XCM-enabled interoperability with Ethereum and Cosmos
- Token transfers - Monitor ERC20/ERC721 transfers
- DeFi analytics - Track swaps, liquidity events, and more
- Notification systems - Alert on specific on-chain events
Code Examples
Error Handling
| Error Code | Message | Description |
|---|---|---|
| -32005 | Query returned more than 10000 results | Reduce block range |
| -32602 | Invalid params | Invalid filter parameters |
Related Methods
eth_newFilter- Create a filter for logseth_getFilterChanges- Poll filter for new logs
eth_call
Execute smart contract calls without creating transactions on Astar. Essential for reading contract state for cross-chain DeFi, multi-VM smart contracts, and XCM-enabled interoperability with Ethereum and Cosmos.
eth_newFilter
Create an event log filter on Astar. Essential for event monitoring, contract activity tracking, and DeFi event streaming for cross-chain DeFi, multi-VM smart contracts, and XCM-enabled interoperability with Ethereum and Cosmos.