function

Make sure you're connected.

Request

All functions:

{"jsonrpc":"2.0","id":1,"method":"subscribe","params":["function"]}

Specific function signature:

{"jsonrpc":"2.0","id":1,"method":"subscribe","params":["function", {"signature": "0x88c2a0bf"}]}

*required

Response

"result": {
    "blockchainId": "1c9c969065fcd1cf",
    "blockNumber": 7446960,
    "code": "",
    "contractCodeAddress": "",
    "depth": 0,
    "error": "",
    "from": "0xea674fdde714fd979de3edf0f56aa9716b898ec8",
    "gasUsed": 0,
    "initialGas": 29000,
    "input": "0x",
    "leftOverGas": 29000,
    "messageIndex": 0,
    "opcode": "CALL",
    "returnValue": "0x",
    "timestamp": 1553640678000,
    "timestampNanoseconds": null,
    "to": "0x50aeab19173154418df840f6c4eb849688b112e8",
    "transactionHash": "0x1b39aa3a6410e109142cae6b8c101a40f0143a37e336669772d6e48881d7ee0b",
    "transactionTypeId": 0,
    "value": 200204598170742050,
    "optionalProperties": null
}

Example

const WebSocket = require('ws');
const ws = new WebSocket('wss://ws.web3api.io', {headers: {x-api-key:'<api_key>'}});

ws.on('open', () => {
  ws.send(JSON.stringify({
      jsonrpc: '2.0',
      method: 'subscribe',
      params: ['function'],
      id: 1,
    }));
});

ws.on('message', data => {
  console.log(JSON.stringify(JSON.parse(data), null, 2));
});

Supported Blockchains