* eth, les, geth: implement cli-configurable global gas cap for RPC calls * graphql, ethapi: place gas cap in DoCall * ethapi: reformat log message
		
			
				
	
	
		
			146 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			146 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2017 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 eth
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import (
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	"math/big"
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	"os"
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	"os/user"
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	"path/filepath"
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	"runtime"
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	"time"
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	"github.com/ethereum/go-ethereum/common"
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	"github.com/ethereum/go-ethereum/common/hexutil"
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	"github.com/ethereum/go-ethereum/consensus/ethash"
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	"github.com/ethereum/go-ethereum/core"
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	"github.com/ethereum/go-ethereum/eth/downloader"
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	"github.com/ethereum/go-ethereum/eth/gasprice"
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	"github.com/ethereum/go-ethereum/params"
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)
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// DefaultConfig contains default settings for use on the Ethereum main net.
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var DefaultConfig = Config{
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	SyncMode: downloader.FastSync,
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	Ethash: ethash.Config{
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		CacheDir:       "ethash",
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		CachesInMem:    2,
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		CachesOnDisk:   3,
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		DatasetsInMem:  1,
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		DatasetsOnDisk: 2,
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	},
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	NetworkId:      1,
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	LightPeers:     100,
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	DatabaseCache:  512,
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	TrieCleanCache: 256,
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	TrieDirtyCache: 256,
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	TrieTimeout:    60 * time.Minute,
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	MinerGasFloor:  8000000,
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	MinerGasCeil:   8000000,
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	MinerGasPrice:  big.NewInt(params.GWei),
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	MinerRecommit:  3 * time.Second,
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	TxPool: core.DefaultTxPoolConfig,
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	GPO: gasprice.Config{
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		Blocks:     20,
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		Percentile: 60,
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	},
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}
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func init() {
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	home := os.Getenv("HOME")
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	if home == "" {
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		if user, err := user.Current(); err == nil {
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			home = user.HomeDir
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		}
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	}
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	if runtime.GOOS == "windows" {
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		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, "AppData", "Ethash")
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	} else {
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		DefaultConfig.Ethash.DatasetDir = filepath.Join(home, ".ethash")
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	}
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}
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//go:generate gencodec -type Config -field-override configMarshaling -formats toml -out gen_config.go
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type Config struct {
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	// The genesis block, which is inserted if the database is empty.
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	// If nil, the Ethereum main net block is used.
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	Genesis *core.Genesis `toml:",omitempty"`
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	// Protocol options
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	NetworkId uint64 // Network ID to use for selecting peers to connect to
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	SyncMode  downloader.SyncMode
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	NoPruning bool
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	// Whitelist of required block number -> hash values to accept
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	Whitelist map[uint64]common.Hash `toml:"-"`
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	// Light client options
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	LightServ  int `toml:",omitempty"` // Maximum percentage of time allowed for serving LES requests
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	LightPeers int `toml:",omitempty"` // Maximum number of LES client peers
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	// Database options
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	SkipBcVersionCheck bool `toml:"-"`
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	DatabaseHandles    int  `toml:"-"`
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	DatabaseCache      int
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	TrieCleanCache     int
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	TrieDirtyCache     int
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	TrieTimeout        time.Duration
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	// Mining-related options
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	Etherbase      common.Address `toml:",omitempty"`
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	MinerNotify    []string       `toml:",omitempty"`
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	MinerExtraData []byte         `toml:",omitempty"`
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	MinerGasFloor  uint64
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	MinerGasCeil   uint64
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	MinerGasPrice  *big.Int
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	MinerRecommit  time.Duration
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	MinerNoverify  bool
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	// Ethash options
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	Ethash ethash.Config
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	// Transaction pool options
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	TxPool core.TxPoolConfig
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	// Gas Price Oracle options
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	GPO gasprice.Config
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	// Enables tracking of SHA3 preimages in the VM
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	EnablePreimageRecording bool
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	// Miscellaneous options
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	DocRoot string `toml:"-"`
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	// Type of the EWASM interpreter ("" for default)
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	EWASMInterpreter string
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	// Type of the EVM interpreter ("" for default)
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	EVMInterpreter string
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	// Constantinople block override (TODO: remove after the fork)
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	ConstantinopleOverride *big.Int
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	// RPCGasCap is the global gas cap for eth-call variants.
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	RPCGasCap *big.Int `toml:",omitempty"`
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}
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type configMarshaling struct {
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	MinerExtraData hexutil.Bytes
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}
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