QAN TestNet Docs

qan_newFilter

API details

Creates a filter object, based on filter options, to notify when the state changes (logs).

HTTP response status codes for "qan_newFilter"

Status Code Description
200 OK
400 Bad Request
404 Not Found
422 Unprocessable Entity
500 Internal Server Error

Code samples for "qan_newFilter"

Request examples

post/newFilter/
cURLJavaScriptGoPython
curl --request POST \
  --url https://rpc-testnet.qanplatform.com/newFilter/ \
  --header 'Accept: application/json, , application/problem+json' \
  --header 'Content-Type: application/json' \
  --data '
{
"FilterObject": {
  "Address": "string",
  "FromBlock": "string",
  "ToBlock": "string",
  "Topics": "array"
}
}
'
const options = {
  method: 'POST',
  headers: {
    Accept: 'application/json, , application/problem+json',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    FilterObject: {Address: 'string', FromBlock: 'string', ToBlock: 'string', Topics: 'array'}
  })
};

fetch('https://rpc-testnet.qanplatform.com/newFilter/', options)
  .then(response => response.json())
  .then(response => console.log(response))
  .catch(err => console.error(err));
package main

import (
  "fmt"
  "strings"
  "net/http"
  "io"
)

func main() {

  url := "https://rpc-testnet.qanplatform.com/newFilter/"

  payload := strings.NewReader("{\"FilterObject\":{\"Address\":\"string\",\"FromBlock\":\"string\",\"ToBlock\":\"string\",\"Topics\":\"array\"}}")

  req, _ := http.NewRequest("POST", url, payload)

  req.Header.Add("Accept", "application/json, , application/problem+json")
  req.Header.Add("Content-Type", "application/json")

  res, _ := http.DefaultClient.Do(req)

  defer res.Body.Close()
  body, _ := io.ReadAll(res.Body)

  fmt.Println(string(body))

}
import requests

url = "https://rpc-testnet.qanplatform.com/newFilter/"

payload = { "FilterObject": {
    "Address": "string",
    "FromBlock": "string",
    "ToBlock": "string",
    "Topics": "array"
  } }
headers = {
  "Accept": "application/json, , application/problem+json",
  "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

Response examples

200400404422500
Content type: application/json
{"FilterId":"string"}
Content type: application/problem+json
{}
Content type: application/problem+json
{}
Content type: application/problem+json
{}
Content type: application/problem+json
{}

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