utils/cmd.go


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package utils

import (
    "encoding/hex"
    "github.com/ethereum/eth-go"
    "github.com/ethereum/eth-go/ethchain"
    "github.com/ethereum/eth-go/ethminer"
    "github.com/ethereum/eth-go/ethpub"
    "github.com/ethereum/eth-go/ethrpc"
    "github.com/ethereum/eth-go/ethutil"
    "log"
    "time"
)

func DoRpc(ethereum *eth.Ethereum, RpcPort int) {
    var err error
    ethereum.RpcServer, err = ethrpc.NewJsonRpcServer(ethpub.NewPEthereum(ethereum), RpcPort)
    if err != nil {
        log.Println("Could not start RPC interface:", err)
    } else {
        go ethereum.RpcServer.Start()
    }
}

func DoMining(ethereum *eth.Ethereum) {
    // Set Mining status
    ethereum.Mining = true

    data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
    if len(data) == 0 {
        log.Println("No address found, can't start mining")
        return
    }

    keyRing := ethutil.NewValueFromBytes(data)
    addr := keyRing.Get(0).Bytes()
    pair, _ := ethchain.NewKeyPairFromSec(ethutil.FromHex(hex.EncodeToString(addr)))

    go func() {
        // Give it some time to connect with peers
        time.Sleep(3 * time.Second)

        for ethereum.IsUpToDate() == false {
            time.Sleep(5 * time.Second)
        }
        log.Println("Miner started")

        miner := ethminer.NewDefaultMiner(pair.Address(), ethereum)
        miner.Start()
    }()
}