path: root/rpc/api/miner_args.go

// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package api

import (
    "encoding/json"

    "math/big"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/rpc/shared"
)

type StartMinerArgs struct {
    Threads int
}

func (args *StartMinerArgs) UnmarshalJSON(b []byte) (err error) {
    var obj []interface{}
    if err := json.Unmarshal(b, &obj); err != nil {
        return shared.NewDecodeParamError(err.Error())
    }

    if len(obj) == 0 || obj[0] == nil {
        args.Threads = -1
        return nil
    }

    var num *big.Int
    if num, err = numString(obj[0]); err != nil {
        return err
    }
    args.Threads = int(num.Int64())
    return nil
}

type SetExtraArgs struct {
    Data string
}

func (args *SetExtraArgs) UnmarshalJSON(b []byte) (err error) {
    var obj []interface{}
    if err := json.Unmarshal(b, &obj); err != nil {
        return shared.NewDecodeParamError(err.Error())
    }

    if len(obj) < 1 {
        return shared.NewInsufficientParamsError(len(obj), 1)
    }

    extrastr, ok := obj[0].(string)
    if !ok {
        return shared.NewInvalidTypeError("Price", "not a string")
    }
    args.Data = extrastr

    return nil
}

type GasPriceArgs struct {
    Price string
}

func (args *GasPriceArgs) UnmarshalJSON(b []byte) (err error) {
    var obj []interface{}
    if err := json.Unmarshal(b, &obj); err != nil {
        return shared.NewDecodeParamError(err.Error())
    }

    if len(obj) < 1 {
        return shared.NewInsufficientParamsError(len(obj), 1)
    }

    if pricestr, ok := obj[0].(string); ok {
        args.Price = pricestr
        return nil
    }

    return shared.NewInvalidTypeError("Price", "not a string")
}

type SetEtherbaseArgs struct {
    Etherbase common.Address
}

func (args *SetEtherbaseArgs) UnmarshalJSON(b []byte) (err error) {
    var obj []interface{}
    if err := json.Unmarshal(b, &obj); err != nil {
        return shared.NewDecodeParamError(err.Error())
    }

    if len(obj) < 1 {
        return shared.NewInsufficientParamsError(len(obj), 1)
    }

    if addr, ok := obj[0].(string); ok {
        args.Etherbase = common.HexToAddress(addr)
        if (args.Etherbase == common.Address{}) {
            return shared.NewInvalidTypeError("Etherbase", "not a valid address")
        }
        return nil
    }

    return shared.NewInvalidTypeError("Etherbase", "not a string")
}

type MakeDAGArgs struct {
    BlockNumber int64
}

func (args *MakeDAGArgs) UnmarshalJSON(b []byte) (err error) {
    args.BlockNumber = -1
    var obj []interface{}

    if err := json.Unmarshal(b, &obj); err != nil {
        return shared.NewDecodeParamError(err.Error())
    }

    if len(obj) < 1 {
        return shared.NewInsufficientParamsError(len(obj), 1)
    }

    if err := blockHeight(obj[0], &args.BlockNumber); err != nil {
        return err
    }

    return nil
}