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authorDeterminant <[email protected]>2019-08-09 21:15:05 -0400
committerDeterminant <[email protected]>2019-08-09 21:15:05 -0400
commit4c1616a746a648c816042f596eb199174a9858f1 (patch)
tree8db0871957d3a3357ab1ec7bf762ad7481bbd380 /eth/config.go
parent6310b748db9fbcea0872db930385760b29f9659c (diff)
add necessary code base
Diffstat (limited to 'eth/config.go')
-rw-r--r--eth/config.go157
1 files changed, 157 insertions, 0 deletions
diff --git a/eth/config.go b/eth/config.go
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+// Copyright 2017 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 eth
+
+import (
+ "math/big"
+ "os"
+ "os/user"
+ "path/filepath"
+ "runtime"
+ "time"
+
+ "github.com/ethereum/go-ethereum/common"
+ "github.com/ethereum/go-ethereum/consensus/ethash"
+ "github.com/ethereum/go-ethereum/core"
+ "github.com/ethereum/go-ethereum/eth/downloader"
+ "github.com/ethereum/go-ethereum/eth/gasprice"
+ "github.com/ethereum/go-ethereum/miner"
+ "github.com/ethereum/go-ethereum/params"
+)
+
+// DefaultConfig contains default settings for use on the Ethereum main net.
+var DefaultConfig = Config{
+ SyncMode: downloader.FastSync,
+ Ethash: ethash.Config{
+ CacheDir: "ethash",
+ CachesInMem: 2,
+ CachesOnDisk: 3,
+ DatasetsInMem: 1,
+ DatasetsOnDisk: 2,
+ },
+ NetworkId: 1,
+ LightPeers: 100,
+ UltraLightFraction: 75,
+ DatabaseCache: 512,
+ TrieCleanCache: 256,
+ TrieDirtyCache: 256,
+ TrieTimeout: 60 * time.Minute,
+ Miner: miner.Config{
+ GasFloor: 8000000,
+ GasCeil: 8000000,
+ GasPrice: big.NewInt(params.GWei),
+ Recommit: 3 * time.Second,
+ },
+ TxPool: core.DefaultTxPoolConfig,
+ GPO: gasprice.Config{
+ Blocks: 20,
+ Percentile: 60,
+ },
+}
+
+func init() {
+ home := os.Getenv("HOME")
+ if home == "" {
+ if user, err := user.Current(); err == nil {
+ home = user.HomeDir
+ }
+ }
+ if runtime.GOOS == "darwin" {
+ DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "Library", "Ethash")
+ } else if runtime.GOOS == "windows" {
+ localappdata := os.Getenv("LOCALAPPDATA")
+ if localappdata != "" {
+ DefaultConfig.Ethash.DatasetDir = filepath.Join(localappdata, "Ethash")
+ } else {
+ DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Local", "Ethash")
+ }
+ } else {
+ DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
+ }
+}
+
+//go:generate gencodec -type Config -formats toml -out gen_config.go
+
+type Config struct {
+ // The genesis block, which is inserted if the database is empty.
+ // If nil, the Ethereum main net block is used.
+ Genesis *core.Genesis `toml:",omitempty"`
+
+ // Protocol options
+ NetworkId uint64 // Network ID to use for selecting peers to connect to
+ SyncMode downloader.SyncMode
+
+ NoPruning bool // Whether to disable pruning and flush everything to disk
+ NoPrefetch bool // Whether to disable prefetching and only load state on demand
+
+ // Whitelist of required block number -> hash values to accept
+ Whitelist map[uint64]common.Hash `toml:"-"`
+
+ // Light client options
+ LightServ int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
+ LightIngress int `toml:",omitempty"` // Incoming bandwidth limit for light servers
+ LightEgress int `toml:",omitempty"` // Outgoing bandwidth limit for light servers
+ LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
+
+ // Ultra Light client options
+ UltraLightServers []string `toml:",omitempty"` // List of trusted ultra light servers
+ UltraLightFraction int `toml:",omitempty"` // Percentage of trusted servers to accept an announcement
+ UltraLightOnlyAnnounce bool `toml:",omitempty"` // Whether to only announce headers, or also serve them
+
+ // Database options
+ SkipBcVersionCheck bool `toml:"-"`
+ DatabaseHandles int `toml:"-"`
+ DatabaseCache int
+ DatabaseFreezer string
+
+ TrieCleanCache int
+ TrieDirtyCache int
+ TrieTimeout time.Duration
+
+ // Mining options
+ Miner miner.Config
+
+ // Ethash options
+ Ethash ethash.Config
+
+ // Transaction pool options
+ TxPool core.TxPoolConfig
+
+ // Gas Price Oracle options
+ GPO gasprice.Config
+
+ // Enables tracking of SHA3 preimages in the VM
+ EnablePreimageRecording bool
+
+ // Miscellaneous options
+ DocRoot string `toml:"-"`
+
+ // Type of the EWASM interpreter ("" for default)
+ EWASMInterpreter string
+
+ // Type of the EVM interpreter ("" for default)
+ EVMInterpreter string
+
+ // RPCGasCap is the global gas cap for eth-call variants.
+ RPCGasCap *big.Int `toml:",omitempty"`
+
+ // Checkpoint is a hardcoded checkpoint which can be nil.
+ Checkpoint *params.TrustedCheckpoint `toml:",omitempty"`
+
+ // CheckpointOracle is the configuration for checkpoint oracle.
+ CheckpointOracle *params.CheckpointOracleConfig `toml:",omitempty"`
+}