newBlockFilter
Creates a filter in the node, to notify when a new block arrives. To check if the state has changed, call eth_getFilterChanges.
Filter IDs will be valid for up to fifteen minutes, and can polled by any connection using the same v3 project ID.
## JSON-RPC over HTTPS POST
curl https://mainnet-slice-rpc.com \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_newBlockFilter","params":[],"id":1}'
## JSON-RPC over WSS
wscat -c ws://mainnet-slice-rpc.com
>{"jsonrpc":"2.0","method":"eth_newBlockFilter","params":[],"id":1}
FILTER ID- A string denoting the newly created filter ID
{
"jsonrpc":"2.0",
"id":1,
"result":"0x81440bfbd6138ec9fe6d6ec4398b0b4879fb182f3cd8"
}
Last modified 5mo ago