Feature Request: EVM Event Push Notifications and ChainID RPC

Feature Request: EVM Event Push Notifications and ChainID RPC: a task in LegoFlow-SWE (Harbor dataset). Description Currently, the blockchain’s push notification system supports subscribing to block headers, transactions, and transaction results, but does not support EVM log events generated by…

The task

**Description** Currently, the blockchain’s push notification system supports subscribing to block headers, transactions, and transaction results, but does **not** support EVM log events generated by smart contracts. Additionally, there is no JSON‑RPC method to query the chain ID of the network, which is essential…

Part of Lego-X/LegoFlow-SWE.