Method eth_newFilter Ethereum (ETH)
connect with JSON-RPC protocol

Parameters

A filter object with the fillowing keys and their values:

• address: optional A contract address or a list of addresses from which logs should originate.
• fromBlock: optional, default is latest A hexadecimal block number, or the string latest, earliest or pending.
• toBlock: optional, default is latest A hexadecimal block number, or the string latest, earliest or pending.
• topics: optional An array of 32 bytes DATA topics. Topics are order-dependent.

Specifying topic filters

Topics are order-dependent. A transaction with a log with topics A, B will be matched by the following topic filters:

• []: Anything.
• [A]: A in the first position, and anything after.
• [null, B]: Anything in first position AND B in second position, and anything after.
• [A, B]: A in the first position AND B in second position, and anything after.
• [[A, B], [A, B]]: (A OR B) in first position AND (A OR B) in second position, and anything after.

Request

curl --location --request POST 'https://eth.getblock.io/mainnet/' 
--header 'x-api-key: YOUR-API-KEY' 
--header 'Content-Type: application/json' 
--data-raw '{"jsonrpc": "2.0",
"method": "eth_newFilter",
"params": [{"topics": ["0xb7407a6d74c6472bf99c4c9abe0860dc439469421c42c060639733b2309b05c7"]}],
"id": "getblock.io"}'

Response

{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": "0x7087a9a20c62b41cd0290a6e6a9e0e33"
}