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klay_newFilter
Creates a filter object, based on filter options, to notify when the state changes (logs).
The execution of this API can be limited by two node configurations to manage resources of Klaytn node safely.
Object - The filter options:Name | Type | Description |
|---|---|---|
fromBlock | QUANTITY | TAG | (optional, default: "latest") Integer or hexadecimal block number, or the string "earliest", "latest" or "pending" |
toBlock | QUANTITY | TAG | (optional, default: "latest") Integer or hexadecimal block number, or the string "earliest", "latest" or "pending" |
address | 20-byte DATA | Array | (optional) Contract address or a list of addresses from which logs should originate. |
topics | Array of DATA | (optional) Array of 32-byte DATA topics. Topics are order-dependent. Each topic can also be an array of DATA with "or" options. |
Type | Description |
|---|---|
QUANTITY | A filter id. |
// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"klay_newFilter","params":[{"fromBlock":"earliest","toBlock":"latest","address":"0x87ac99835e67168d4f9a40580f8f5c33550ba88b","topics":["0xd596fdad182d29130ce218f4c1590c4b5ede105bee36690727baa6592bd2bfc8"]}],"id":1}' http://klaytn.blockpi.network/v1/rpc/your-api-key
// Result
{"jsonrpc":"2.0","id":1,"result":"0xd32fd16b6906e67f6e2b65dcf48fc272"}
Last modified 1yr ago