RPC API Overview

POST http://localhost:8545

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

{
  "jsonrpc": "2.0",
  "result": "0x1a4",
  "id": 1
}

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32600,
    "message": "Invalid Request"
  },
  "id": 1
}

curl -X POST http://localhost:8545 \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"nexus_blockNumber","params":[],"id":1}'

const ws = new WebSocket('ws://localhost:8546');
ws.send(JSON.stringify({
  jsonrpc: '2.0',
  method: 'nexus_subscribe',
  params: ['newBlocks'],
  id: 1
}));