142 lines
4.2 KiB
Go
142 lines
4.2 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package api
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import (
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"crypto/ecdsa"
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"fmt"
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"os"
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"path/filepath"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/contracts/ens"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p/enode"
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"github.com/ethereum/go-ethereum/swarm/log"
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"github.com/ethereum/go-ethereum/swarm/network"
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"github.com/ethereum/go-ethereum/swarm/pss"
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"github.com/ethereum/go-ethereum/swarm/services/swap"
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"github.com/ethereum/go-ethereum/swarm/storage"
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)
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const (
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DefaultHTTPListenAddr = "127.0.0.1"
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DefaultHTTPPort = "8500"
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)
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// separate bzz directories
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// allow several bzz nodes running in parallel
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type Config struct {
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// serialised/persisted fields
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*storage.FileStoreParams
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*storage.LocalStoreParams
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*network.HiveParams
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Swap *swap.LocalProfile
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Pss *pss.PssParams
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//*network.SyncParams
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Contract common.Address
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EnsRoot common.Address
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EnsAPIs []string
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Path string
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ListenAddr string
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Port string
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PublicKey string
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BzzKey string
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NodeID string
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NetworkID uint64
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SwapEnabled bool
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SyncEnabled bool
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SyncingSkipCheck bool
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DeliverySkipCheck bool
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MaxStreamPeerServers int
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LightNodeEnabled bool
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SyncUpdateDelay time.Duration
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SwapAPI string
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Cors string
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BzzAccount string
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privateKey *ecdsa.PrivateKey
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}
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//create a default config with all parameters to set to defaults
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func NewConfig() (c *Config) {
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c = &Config{
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LocalStoreParams: storage.NewDefaultLocalStoreParams(),
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FileStoreParams: storage.NewFileStoreParams(),
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HiveParams: network.NewHiveParams(),
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//SyncParams: network.NewDefaultSyncParams(),
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Swap: swap.NewDefaultSwapParams(),
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Pss: pss.NewPssParams(),
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ListenAddr: DefaultHTTPListenAddr,
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Port: DefaultHTTPPort,
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Path: node.DefaultDataDir(),
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EnsAPIs: nil,
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EnsRoot: ens.TestNetAddress,
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NetworkID: network.DefaultNetworkID,
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SwapEnabled: false,
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SyncEnabled: true,
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SyncingSkipCheck: false,
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MaxStreamPeerServers: 10000,
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DeliverySkipCheck: true,
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SyncUpdateDelay: 15 * time.Second,
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SwapAPI: "",
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}
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return
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}
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//some config params need to be initialized after the complete
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//config building phase is completed (e.g. due to overriding flags)
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func (c *Config) Init(prvKey *ecdsa.PrivateKey) {
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address := crypto.PubkeyToAddress(prvKey.PublicKey)
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c.Path = filepath.Join(c.Path, "bzz-"+common.Bytes2Hex(address.Bytes()))
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err := os.MkdirAll(c.Path, os.ModePerm)
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if err != nil {
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log.Error(fmt.Sprintf("Error creating root swarm data directory: %v", err))
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return
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}
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pubkey := crypto.FromECDSAPub(&prvKey.PublicKey)
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pubkeyhex := common.ToHex(pubkey)
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keyhex := crypto.Keccak256Hash(pubkey).Hex()
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c.PublicKey = pubkeyhex
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c.BzzKey = keyhex
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c.NodeID = enode.PubkeyToIDV4(&prvKey.PublicKey).String()
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if c.SwapEnabled {
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c.Swap.Init(c.Contract, prvKey)
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}
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c.privateKey = prvKey
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c.LocalStoreParams.Init(c.Path)
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c.LocalStoreParams.BaseKey = common.FromHex(keyhex)
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c.Pss = c.Pss.WithPrivateKey(c.privateKey)
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}
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func (c *Config) ShiftPrivateKey() (privKey *ecdsa.PrivateKey) {
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if c.privateKey != nil {
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privKey = c.privateKey
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c.privateKey = nil
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}
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return privKey
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}
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