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path: root/rpc/api/personal.go
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package api

import (
    "time"

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

const (
    PersonalApiVersion = "1.0"
)

var (
    // mapping between methods and handlers
    personalMapping = map[string]personalhandler{
        "personal_listAccounts":  (*personalApi).ListAccounts,
        "personal_newAccount":    (*personalApi).NewAccount,
        "personal_deleteAccount": (*personalApi).DeleteAccount,
        "personal_unlockAccount": (*personalApi).UnlockAccount,
    }
)

// net callback handler
type personalhandler func(*personalApi, *shared.Request) (interface{}, error)

// net api provider
type personalApi struct {
    xeth     *xeth.XEth
    ethereum *eth.Ethereum
    methods  map[string]personalhandler
    codec    codec.ApiCoder
}

// create a new net api instance
func NewPersonalApi(xeth *xeth.XEth, eth *eth.Ethereum, coder codec.Codec) *personalApi {
    return &personalApi{
        xeth:     xeth,
        ethereum: eth,
        methods:  personalMapping,
        codec:    coder.New(nil),
    }
}

// collection with supported methods
func (self *personalApi) Methods() []string {
    methods := make([]string, len(self.methods))
    i := 0
    for k := range self.methods {
        methods[i] = k
        i++
    }
    return methods
}

// Execute given request
func (self *personalApi) Execute(req *shared.Request) (interface{}, error) {
    if callback, ok := self.methods[req.Method]; ok {
        return callback(self, req)
    }

    return nil, shared.NewNotImplementedError(req.Method)
}

func (self *personalApi) Name() string {
    return shared.PersonalApiName
}

func (self *personalApi) ApiVersion() string {
    return PersonalApiVersion
}

func (self *personalApi) ListAccounts(req *shared.Request) (interface{}, error) {
    return self.xeth.Accounts(), nil
}

func (self *personalApi) NewAccount(req *shared.Request) (interface{}, error) {
    args := new(NewAccountArgs)
    if err := self.codec.Decode(req.Params, &args); err != nil {
        return nil, shared.NewDecodeParamError(err.Error())
    }

    am := self.ethereum.AccountManager()
    acc, err := am.NewAccount(args.Passphrase)
    return acc.Address.Hex(), err
}

func (self *personalApi) DeleteAccount(req *shared.Request) (interface{}, error) {
    args := new(DeleteAccountArgs)
    if err := self.codec.Decode(req.Params, &args); err != nil {
        return nil, shared.NewDecodeParamError(err.Error())
    }

    addr := common.HexToAddress(args.Address)
    am := self.ethereum.AccountManager()
    if err := am.DeleteAccount(addr, args.Passphrase); err == nil {
        return true, nil
    } else {
        return false, err
    }
}

func (self *personalApi) UnlockAccount(req *shared.Request) (interface{}, error) {
    args := new(UnlockAccountArgs)
    if err := self.codec.Decode(req.Params, &args); err != nil {
        return nil, shared.NewDecodeParamError(err.Error())
    }

    var err error
    am := self.ethereum.AccountManager()
    addr := common.HexToAddress(args.Address)

    if args.Duration == -1 {
        err = am.Unlock(addr, args.Passphrase)
    } else {
        err = am.TimedUnlock(addr, args.Passphrase, time.Duration(args.Duration)*time.Second)
    }

    if err == nil {
        return true, nil
    }
    return false, err
}