miner_stop

描述：停止挖矿操作

example

Request：

curl -X POST \
http://127.0.0.1:8283 \
-H 'Content-Type: application/json' \
-d '{"jsonrpc": "2.0", "id": 1, "method": "miner_stop", "params": []}'

Response：

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": null
}