eth_subscribe - Curtis
Summary
Starts a subscription to a specific event. Can be used with WSS connections only.It returns subscription ID. Use it with eth_unsubscribe to end the subscription.
Parameters
1. Subscription Name Enum
The event type you want to subscribe to. Possible values:
newHeads
, logs
, newPendingTransactions
, syncing
Example:Â
logs
2. Subscription Filter JSON
When subscribing for logs
use this parameter to filter for address
and topics
to filter notifications.
This parameter has no meaning for other subscription types.
Example:Â
{ "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", "topics": [ '0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef', '0x00000000000000000000000028c6c06298d514db089934071355e5743bf21d60', '0x000000000000000000000000d7406ce6e1c406a1812cbea34a0a8b84b4d455d3',]}