Parameters

OBJECT - The filter object

Object Name	Required	Type	Detail
`address`	❌	String/Array	Address or a list of addresses from which logs should originate.
`fromBlock`	❌	String	A hex code of an integer that represents the block number, "latest", "pending", or "earliest".
`toBlock`	❌	String	A hex code of an integer that represents the block number, "latest", "pending", or "earliest".
`topics`	❌	Array	Array of 32 Bytes DATA topics. Topics are order-dependent.

"params": [
  {
    "fromBlock": "0xDC7F79",
    "toBlock": "0xDC7F7B",
    "address": "0xea674fdde714fd979de3edf0f56aa9716b898ec8",
    "topics": [
      "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
    ]
  }  
]

📘
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 first position (and anything after)

[null, B] - anything in first position AND B in second position (and anything after)

[A, B] - A in 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)

Result

A hex code of an integer that represents the newly created filter ID.

Example

Request

curl <your-endpoint> \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"jsonrpc":"2.0","method":"eth_newFilter","params":[{"fromBlock": "0xDC7F79","toBlock": "0xDC7F7B","address": "0xea674fdde714fd979de3edf0f56aa9716b898ec8","topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}],"id":0}'

Return

{
    "id": 0,
    "jsonrpc": "2.0",
    "result": "0x62c0479d0f17f56ceaf72a569d23dcba"
}