evm.subsquid.events index
This index allows indexing events emitted by Ethereum smart contracts. You can define a handler for each contract/tag pair. Only necessary events are processed.
RPC node is optional for this index. If not specified, the index will lack real-time data and will be able to process only historical data provided by Subsquid Archives API.
This is a basic config for USDt token contract. You can use this demo as a template for your project choosing demo_evm_events in dipdup new command.
dipdup.yaml
spec_version: 2.0
package: demo_evm_events
datasources:
ethscan:
kind: abi.etherscan
mainnet_node:
kind: evm.node
url: https://eth-mainnet.g.alchemy.com/v2/${ALCHEMY_KEY:-''}
ws_url: wss://eth-mainnet.g.alchemy.com/v2/${ALCHEMY_KEY:-''}
mainnet_subsquid:
kind: evm.subsquid
url: ${ARCHIVE_URL:-https://v2.archive.subsquid.io/network/ethereum-mainnet}
node: mainnet_node
contracts:
eth_usdt:
kind: evm
address: 0xdac17f958d2ee523a2206206994597c13d831ec7
typename: eth_usdt
indexes:
eth_usdt_events:
kind: evm.subsquid.events
datasource: mainnet_subsquid
handlers:
- callback: on_transfer
contract: eth_usdt
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