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// Copyright 2016 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 (
"crypto/ecdsa"
"fmt"
"os"
"path/filepath"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/contracts/ens"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/swarm/network"
"github.com/ethereum/go-ethereum/swarm/services/swap"
"github.com/ethereum/go-ethereum/swarm/storage"
)
const (
DefaultHTTPListenAddr = "127.0.0.1"
DefaultHTTPPort = "8500"
)
// separate bzz directories
// allow several bzz nodes running in parallel
type Config struct {
// serialised/persisted fields
*storage.StoreParams
*storage.ChunkerParams
*network.HiveParams
Swap *swap.SwapParams
*network.SyncParams
Contract common.Address
EnsRoot common.Address
EnsAPIs []string
Path string
ListenAddr string
Port string
PublicKey string
BzzKey string
NetworkId uint64
SwapEnabled bool
SyncEnabled bool
SwapApi string
Cors string
BzzAccount string
BootNodes string
}
//create a default config with all parameters to set to defaults
func NewDefaultConfig() (self *Config) {
self = &Config{
StoreParams: storage.NewDefaultStoreParams(),
ChunkerParams: storage.NewChunkerParams(),
HiveParams: network.NewDefaultHiveParams(),
SyncParams: network.NewDefaultSyncParams(),
Swap: swap.NewDefaultSwapParams(),
ListenAddr: DefaultHTTPListenAddr,
Port: DefaultHTTPPort,
Path: node.DefaultDataDir(),
EnsAPIs: nil,
EnsRoot: ens.TestNetAddress,
NetworkId: network.NetworkId,
SwapEnabled: false,
SyncEnabled: true,
SwapApi: "",
BootNodes: "",
}
return
}
//some config params need to be initialized after the complete
//config building phase is completed (e.g. due to overriding flags)
func (self *Config) Init(prvKey *ecdsa.PrivateKey) {
address := crypto.PubkeyToAddress(prvKey.PublicKey)
self.Path = filepath.Join(self.Path, "bzz-"+common.Bytes2Hex(address.Bytes()))
err := os.MkdirAll(self.Path, os.ModePerm)
if err != nil {
log.Error(fmt.Sprintf("Error creating root swarm data directory: %v", err))
return
}
pubkey := crypto.FromECDSAPub(&prvKey.PublicKey)
pubkeyhex := common.ToHex(pubkey)
keyhex := crypto.Keccak256Hash(pubkey).Hex()
self.PublicKey = pubkeyhex
self.BzzKey = keyhex
self.Swap.Init(self.Contract, prvKey)
self.SyncParams.Init(self.Path)
self.HiveParams.Init(self.Path)
self.StoreParams.Init(self.Path)
}
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