plugeth/cmd/utils/flags.go

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2015-07-07 00:54:22 +00:00
// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum 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
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// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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// Package utils contains internal helper functions for go-ethereum commands.
package utils
import (
"crypto/ecdsa"
"fmt"
"io/ioutil"
"math/big"
"os"
"path/filepath"
"runtime"
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"strconv"
"strings"
"github.com/ethereum/ethash"
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"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/ethstats"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/les"
"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/p2p/discv5"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/p2p/netutil"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow"
"github.com/ethereum/go-ethereum/rpc"
whisper "github.com/ethereum/go-ethereum/whisper/whisperv2"
"gopkg.in/urfave/cli.v1"
)
func init() {
cli.AppHelpTemplate = `{{.Name}} {{if .Flags}}[global options] {{end}}command{{if .Flags}} [command options]{{end}} [arguments...]
VERSION:
{{.Version}}
COMMANDS:
{{range .Commands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
{{end}}{{if .Flags}}
GLOBAL OPTIONS:
{{range .Flags}}{{.}}
{{end}}{{end}}
`
cli.CommandHelpTemplate = `{{.Name}}{{if .Subcommands}} command{{end}}{{if .Flags}} [command options]{{end}} [arguments...]
{{if .Description}}{{.Description}}
{{end}}{{if .Subcommands}}
SUBCOMMANDS:
{{range .Subcommands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
{{end}}{{end}}{{if .Flags}}
OPTIONS:
{{range .Flags}}{{.}}
{{end}}{{end}}
`
}
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// NewApp creates an app with sane defaults.
func NewApp(gitCommit, usage string) *cli.App {
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app := cli.NewApp()
app.Name = filepath.Base(os.Args[0])
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app.Author = ""
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//app.Authors = nil
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app.Email = ""
app.Version = params.Version
if gitCommit != "" {
app.Version += "-" + gitCommit[:8]
}
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app.Usage = usage
return app
}
// These are all the command line flags we support.
// If you add to this list, please remember to include the
// flag in the appropriate command definition.
//
// The flags are defined here so their names and help texts
// are the same for all commands.
var (
// General settings
DataDirFlag = DirectoryFlag{
Name: "datadir",
Usage: "Data directory for the databases and keystore",
Value: DirectoryString{node.DefaultDataDir()},
}
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KeyStoreDirFlag = DirectoryFlag{
Name: "keystore",
Usage: "Directory for the keystore (default = inside the datadir)",
}
NetworkIdFlag = cli.IntFlag{
Name: "networkid",
Usage: "Network identifier (integer, 1=Frontier, 2=Morden (disused), 3=Ropsten)",
Value: eth.NetworkId,
}
TestNetFlag = cli.BoolFlag{
Name: "testnet",
Usage: "Ropsten network: pre-configured test network",
}
DevModeFlag = cli.BoolFlag{
Name: "dev",
Usage: "Developer mode: pre-configured private network with several debugging flags",
}
IdentityFlag = cli.StringFlag{
Name: "identity",
Usage: "Custom node name",
}
DocRootFlag = DirectoryFlag{
Name: "docroot",
Usage: "Document Root for HTTPClient file scheme",
Value: DirectoryString{homeDir()},
}
FastSyncFlag = cli.BoolFlag{
Name: "fast",
Usage: "Enable fast syncing through state downloads",
}
LightModeFlag = cli.BoolFlag{
Name: "light",
Usage: "Enable light client mode",
}
LightServFlag = cli.IntFlag{
Name: "lightserv",
Usage: "Maximum percentage of time allowed for serving LES requests (0-90)",
Value: 0,
}
LightPeersFlag = cli.IntFlag{
Name: "lightpeers",
Usage: "Maximum number of LES client peers",
Value: 20,
}
LightKDFFlag = cli.BoolFlag{
Name: "lightkdf",
Usage: "Reduce key-derivation RAM & CPU usage at some expense of KDF strength",
}
// Performance tuning settings
CacheFlag = cli.IntFlag{
Name: "cache",
Usage: "Megabytes of memory allocated to internal caching (min 16MB / database forced)",
Value: 128,
}
TrieCacheGenFlag = cli.IntFlag{
Name: "trie-cache-gens",
Usage: "Number of trie node generations to keep in memory",
Value: int(state.MaxTrieCacheGen),
}
// Miner settings
MiningEnabledFlag = cli.BoolFlag{
Name: "mine",
Usage: "Enable mining",
}
MinerThreadsFlag = cli.IntFlag{
Name: "minerthreads",
Usage: "Number of CPU threads to use for mining",
Value: runtime.NumCPU(),
}
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
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TargetGasLimitFlag = cli.Uint64Flag{
Name: "targetgaslimit",
Usage: "Target gas limit sets the artificial target gas floor for the blocks to mine",
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
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Value: params.GenesisGasLimit.Uint64(),
}
AutoDAGFlag = cli.BoolFlag{
Name: "autodag",
Usage: "Enable automatic DAG pregeneration",
}
EtherbaseFlag = cli.StringFlag{
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Name: "etherbase",
Usage: "Public address for block mining rewards (default = first account created)",
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Value: "0",
}
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
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GasPriceFlag = BigFlag{
Name: "gasprice",
Usage: "Minimal gas price to accept for mining a transactions",
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
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Value: big.NewInt(20 * params.Shannon),
}
ExtraDataFlag = cli.StringFlag{
Name: "extradata",
Usage: "Block extra data set by the miner (default = client version)",
}
// Account settings
UnlockedAccountFlag = cli.StringFlag{
Name: "unlock",
Usage: "Comma separated list of accounts to unlock",
Value: "",
}
PasswordFileFlag = cli.StringFlag{
Name: "password",
Usage: "Password file to use for non-inteactive password input",
Value: "",
}
VMForceJitFlag = cli.BoolFlag{
Name: "forcejit",
Usage: "Force the JIT VM to take precedence",
}
VMJitCacheFlag = cli.IntFlag{
Name: "jitcache",
Usage: "Amount of cached JIT VM programs",
Value: 64,
}
VMEnableJitFlag = cli.BoolFlag{
Name: "jitvm",
Usage: "Enable the JIT VM",
}
VMEnableDebugFlag = cli.BoolFlag{
Name: "vmdebug",
Usage: "Record information useful for VM and contract debugging",
}
// Logging and debug settings
EthStatsURLFlag = cli.StringFlag{
Name: "ethstats",
Usage: "Reporting URL of a ethstats service (nodename:secret@host:port)",
}
MetricsEnabledFlag = cli.BoolFlag{
Name: metrics.MetricsEnabledFlag,
Usage: "Enable metrics collection and reporting",
}
FakePoWFlag = cli.BoolFlag{
Name: "fakepow",
Usage: "Disables proof-of-work verification",
}
// RPC settings
RPCEnabledFlag = cli.BoolFlag{
Name: "rpc",
Usage: "Enable the HTTP-RPC server",
}
RPCListenAddrFlag = cli.StringFlag{
Name: "rpcaddr",
Usage: "HTTP-RPC server listening interface",
Value: node.DefaultHTTPHost,
}
RPCPortFlag = cli.IntFlag{
Name: "rpcport",
Usage: "HTTP-RPC server listening port",
Value: node.DefaultHTTPPort,
}
RPCCORSDomainFlag = cli.StringFlag{
Name: "rpccorsdomain",
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Usage: "Comma separated list of domains from which to accept cross origin requests (browser enforced)",
Value: "",
}
RPCApiFlag = cli.StringFlag{
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Name: "rpcapi",
Usage: "API's offered over the HTTP-RPC interface",
Value: rpc.DefaultHTTPApis,
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}
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IPCDisabledFlag = cli.BoolFlag{
Name: "ipcdisable",
Usage: "Disable the IPC-RPC server",
}
IPCApiFlag = cli.StringFlag{
Name: "ipcapi",
Usage: "APIs offered over the IPC-RPC interface",
Value: rpc.DefaultIPCApis,
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}
IPCPathFlag = DirectoryFlag{
Name: "ipcpath",
Usage: "Filename for IPC socket/pipe within the datadir (explicit paths escape it)",
Value: DirectoryString{"geth.ipc"},
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}
WSEnabledFlag = cli.BoolFlag{
Name: "ws",
Usage: "Enable the WS-RPC server",
}
WSListenAddrFlag = cli.StringFlag{
Name: "wsaddr",
Usage: "WS-RPC server listening interface",
Value: node.DefaultWSHost,
}
WSPortFlag = cli.IntFlag{
Name: "wsport",
Usage: "WS-RPC server listening port",
Value: node.DefaultWSPort,
}
WSApiFlag = cli.StringFlag{
Name: "wsapi",
Usage: "API's offered over the WS-RPC interface",
Value: rpc.DefaultHTTPApis,
}
WSAllowedOriginsFlag = cli.StringFlag{
Name: "wsorigins",
Usage: "Origins from which to accept websockets requests",
Value: "",
}
ExecFlag = cli.StringFlag{
Name: "exec",
Usage: "Execute JavaScript statement (only in combination with console/attach)",
}
PreloadJSFlag = cli.StringFlag{
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Name: "preload",
Usage: "Comma separated list of JavaScript files to preload into the console",
}
// Network Settings
MaxPeersFlag = cli.IntFlag{
Name: "maxpeers",
Usage: "Maximum number of network peers (network disabled if set to 0)",
Value: 25,
}
MaxPendingPeersFlag = cli.IntFlag{
Name: "maxpendpeers",
Usage: "Maximum number of pending connection attempts (defaults used if set to 0)",
Value: 0,
}
ListenPortFlag = cli.IntFlag{
Name: "port",
Usage: "Network listening port",
Value: 30303,
}
BootnodesFlag = cli.StringFlag{
Name: "bootnodes",
Usage: "Comma separated enode URLs for P2P discovery bootstrap",
Value: "",
}
NodeKeyFileFlag = cli.StringFlag{
Name: "nodekey",
Usage: "P2P node key file",
}
NodeKeyHexFlag = cli.StringFlag{
Name: "nodekeyhex",
Usage: "P2P node key as hex (for testing)",
}
NATFlag = cli.StringFlag{
Name: "nat",
Usage: "NAT port mapping mechanism (any|none|upnp|pmp|extip:<IP>)",
Value: "any",
}
NoDiscoverFlag = cli.BoolFlag{
Name: "nodiscover",
Usage: "Disables the peer discovery mechanism (manual peer addition)",
}
DiscoveryV5Flag = cli.BoolFlag{
Name: "v5disc",
Usage: "Enables the experimental RLPx V5 (Topic Discovery) mechanism",
}
NetrestrictFlag = cli.StringFlag{
Name: "netrestrict",
Usage: "Restricts network communication to the given IP networks (CIDR masks)",
}
WhisperEnabledFlag = cli.BoolFlag{
Name: "shh",
Usage: "Enable Whisper",
}
// ATM the url is left to the user and deployment to
JSpathFlag = cli.StringFlag{
Name: "jspath",
Usage: "JavaScript root path for `loadScript`",
Value: ".",
}
SolcPathFlag = cli.StringFlag{
Name: "solc",
Usage: "Solidity compiler command to be used",
Value: "solc",
}
// Gas price oracle settings
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
2017-02-26 21:21:51 +00:00
GpoMinGasPriceFlag = BigFlag{
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Name: "gpomin",
Usage: "Minimum suggested gas price",
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
2017-02-26 21:21:51 +00:00
Value: big.NewInt(20 * params.Shannon),
2015-05-26 12:17:43 +00:00
}
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
2017-02-26 21:21:51 +00:00
GpoMaxGasPriceFlag = BigFlag{
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Name: "gpomax",
Usage: "Maximum suggested gas price",
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
2017-02-26 21:21:51 +00:00
Value: big.NewInt(500 * params.Shannon),
2015-05-26 12:17:43 +00:00
}
GpoFullBlockRatioFlag = cli.IntFlag{
Name: "gpofull",
Usage: "Full block threshold for gas price calculation (%)",
Value: 80,
}
GpobaseStepDownFlag = cli.IntFlag{
Name: "gpobasedown",
Usage: "Suggested gas price base step down ratio (1/1000)",
Value: 10,
}
GpobaseStepUpFlag = cli.IntFlag{
Name: "gpobaseup",
Usage: "Suggested gas price base step up ratio (1/1000)",
Value: 100,
}
GpobaseCorrectionFactorFlag = cli.IntFlag{
Name: "gpobasecf",
Usage: "Suggested gas price base correction factor (%)",
Value: 110,
}
)
// MakeDataDir retrieves the currently requested data directory, terminating
// if none (or the empty string) is specified. If the node is starting a testnet,
// the a subdirectory of the specified datadir will be used.
func MakeDataDir(ctx *cli.Context) string {
if path := ctx.GlobalString(DataDirFlag.Name); path != "" {
// TODO: choose a different location outside of the regular datadir.
if ctx.GlobalBool(TestNetFlag.Name) {
return filepath.Join(path, "testnet")
}
return path
}
Fatalf("Cannot determine default data directory, please set manually (--datadir)")
return ""
}
// MakeIPCPath creates an IPC path configuration from the set command line flags,
// returning an empty string if IPC was explicitly disabled, or the set path.
func MakeIPCPath(ctx *cli.Context) string {
if ctx.GlobalBool(IPCDisabledFlag.Name) {
return ""
}
return ctx.GlobalString(IPCPathFlag.Name)
}
// MakeNodeKey creates a node key from set command line flags, either loading it
// from a file or as a specified hex value. If neither flags were provided, this
// method returns nil and an emphemeral key is to be generated.
func MakeNodeKey(ctx *cli.Context) *ecdsa.PrivateKey {
var (
hex = ctx.GlobalString(NodeKeyHexFlag.Name)
file = ctx.GlobalString(NodeKeyFileFlag.Name)
key *ecdsa.PrivateKey
err error
)
switch {
case file != "" && hex != "":
Fatalf("Options %q and %q are mutually exclusive", NodeKeyFileFlag.Name, NodeKeyHexFlag.Name)
case file != "":
if key, err = crypto.LoadECDSA(file); err != nil {
Fatalf("Option %q: %v", NodeKeyFileFlag.Name, err)
}
case hex != "":
if key, err = crypto.HexToECDSA(hex); err != nil {
Fatalf("Option %q: %v", NodeKeyHexFlag.Name, err)
}
}
return key
}
// makeNodeUserIdent creates the user identifier from CLI flags.
func makeNodeUserIdent(ctx *cli.Context) string {
var comps []string
if identity := ctx.GlobalString(IdentityFlag.Name); len(identity) > 0 {
comps = append(comps, identity)
}
if ctx.GlobalBool(VMEnableJitFlag.Name) {
comps = append(comps, "JIT")
}
return strings.Join(comps, "/")
}
// MakeBootstrapNodes creates a list of bootstrap nodes from the command line
// flags, reverting to pre-configured ones if none have been specified.
func MakeBootstrapNodes(ctx *cli.Context) []*discover.Node {
urls := params.MainnetBootnodes
if ctx.GlobalIsSet(BootnodesFlag.Name) {
urls = strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",")
} else if ctx.GlobalBool(TestNetFlag.Name) {
urls = params.TestnetBootnodes
}
bootnodes := make([]*discover.Node, 0, len(urls))
for _, url := range urls {
node, err := discover.ParseNode(url)
if err != nil {
log.Error(fmt.Sprintf("Bootstrap URL %s: %v\n", url, err))
continue
}
bootnodes = append(bootnodes, node)
}
return bootnodes
}
// MakeBootstrapNodesV5 creates a list of bootstrap nodes from the command line
// flags, reverting to pre-configured ones if none have been specified.
func MakeBootstrapNodesV5(ctx *cli.Context) []*discv5.Node {
urls := params.DiscoveryV5Bootnodes
if ctx.GlobalIsSet(BootnodesFlag.Name) {
urls = strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",")
}
bootnodes := make([]*discv5.Node, 0, len(urls))
for _, url := range urls {
node, err := discv5.ParseNode(url)
if err != nil {
log.Error(fmt.Sprintf("Bootstrap URL %s: %v\n", url, err))
continue
}
bootnodes = append(bootnodes, node)
}
return bootnodes
}
// MakeListenAddress creates a TCP listening address string from set command
// line flags.
func MakeListenAddress(ctx *cli.Context) string {
return fmt.Sprintf(":%d", ctx.GlobalInt(ListenPortFlag.Name))
}
// MakeDiscoveryV5Address creates a UDP listening address string from set command
// line flags for the V5 discovery protocol.
func MakeDiscoveryV5Address(ctx *cli.Context) string {
return fmt.Sprintf(":%d", ctx.GlobalInt(ListenPortFlag.Name)+1)
}
// MakeNAT creates a port mapper from set command line flags.
func MakeNAT(ctx *cli.Context) nat.Interface {
natif, err := nat.Parse(ctx.GlobalString(NATFlag.Name))
if err != nil {
Fatalf("Option %s: %v", NATFlag.Name, err)
}
return natif
}
// MakeRPCModules splits input separated by a comma and trims excessive white
// space from the substrings.
func MakeRPCModules(input string) []string {
result := strings.Split(input, ",")
for i, r := range result {
result[i] = strings.TrimSpace(r)
}
return result
}
// MakeHTTPRpcHost creates the HTTP RPC listener interface string from the set
// command line flags, returning empty if the HTTP endpoint is disabled.
func MakeHTTPRpcHost(ctx *cli.Context) string {
if !ctx.GlobalBool(RPCEnabledFlag.Name) {
return ""
}
return ctx.GlobalString(RPCListenAddrFlag.Name)
}
// MakeWSRpcHost creates the WebSocket RPC listener interface string from the set
// command line flags, returning empty if the HTTP endpoint is disabled.
func MakeWSRpcHost(ctx *cli.Context) string {
if !ctx.GlobalBool(WSEnabledFlag.Name) {
return ""
}
return ctx.GlobalString(WSListenAddrFlag.Name)
}
// MakeDatabaseHandles raises out the number of allowed file handles per process
// for Geth and returns half of the allowance to assign to the database.
func MakeDatabaseHandles() int {
if err := raiseFdLimit(2048); err != nil {
Fatalf("Failed to raise file descriptor allowance: %v", err)
}
limit, err := getFdLimit()
if err != nil {
Fatalf("Failed to retrieve file descriptor allowance: %v", err)
}
if limit > 2048 { // cap database file descriptors even if more is available
limit = 2048
}
return limit / 2 // Leave half for networking and other stuff
}
// MakeAddress converts an account specified directly as a hex encoded string or
// a key index in the key store to an internal account representation.
func MakeAddress(ks *keystore.KeyStore, account string) (accounts.Account, error) {
// If the specified account is a valid address, return it
if common.IsHexAddress(account) {
return accounts.Account{Address: common.HexToAddress(account)}, nil
}
// Otherwise try to interpret the account as a keystore index
index, err := strconv.Atoi(account)
if err != nil || index < 0 {
return accounts.Account{}, fmt.Errorf("invalid account address or index %q", account)
}
accs := ks.Accounts()
if len(accs) <= index {
return accounts.Account{}, fmt.Errorf("index %d higher than number of accounts %d", index, len(accs))
}
return accs[index], nil
}
// MakeEtherbase retrieves the etherbase either from the directly specified
// command line flags or from the keystore if CLI indexed.
func MakeEtherbase(ks *keystore.KeyStore, ctx *cli.Context) common.Address {
accounts := ks.Accounts()
if !ctx.GlobalIsSet(EtherbaseFlag.Name) && len(accounts) == 0 {
log.Error(fmt.Sprint("WARNING: No etherbase set and no accounts found as default"))
return common.Address{}
}
etherbase := ctx.GlobalString(EtherbaseFlag.Name)
if etherbase == "" {
return common.Address{}
}
// If the specified etherbase is a valid address, return it
account, err := MakeAddress(ks, etherbase)
if err != nil {
Fatalf("Option %q: %v", EtherbaseFlag.Name, err)
}
return account.Address
}
// MakeMinerExtra resolves extradata for the miner from the set command line flags
// or returns a default one composed on the client, runtime and OS metadata.
func MakeMinerExtra(extra []byte, ctx *cli.Context) []byte {
if ctx.GlobalIsSet(ExtraDataFlag.Name) {
return []byte(ctx.GlobalString(ExtraDataFlag.Name))
}
return extra
}
// MakePasswordList reads password lines from the file specified by --password.
func MakePasswordList(ctx *cli.Context) []string {
path := ctx.GlobalString(PasswordFileFlag.Name)
if path == "" {
return nil
}
text, err := ioutil.ReadFile(path)
if err != nil {
Fatalf("Failed to read password file: %v", err)
}
lines := strings.Split(string(text), "\n")
// Sanitise DOS line endings.
for i := range lines {
lines[i] = strings.TrimRight(lines[i], "\r")
}
return lines
}
// MakeNode configures a node with no services from command line flags.
func MakeNode(ctx *cli.Context, name, gitCommit string) *node.Node {
vsn := params.Version
if gitCommit != "" {
vsn += "-" + gitCommit[:8]
}
// if we're running a light client or server, force enable the v5 peer discovery unless it is explicitly disabled with --nodiscover
// note that explicitly specifying --v5disc overrides --nodiscover, in which case the later only disables v4 discovery
forceV5Discovery := (ctx.GlobalBool(LightModeFlag.Name) || ctx.GlobalInt(LightServFlag.Name) > 0) && !ctx.GlobalBool(NoDiscoverFlag.Name)
config := &node.Config{
DataDir: MakeDataDir(ctx),
KeyStoreDir: ctx.GlobalString(KeyStoreDirFlag.Name),
UseLightweightKDF: ctx.GlobalBool(LightKDFFlag.Name),
PrivateKey: MakeNodeKey(ctx),
Name: name,
Version: vsn,
UserIdent: makeNodeUserIdent(ctx),
NoDiscovery: ctx.GlobalBool(NoDiscoverFlag.Name) || ctx.GlobalBool(LightModeFlag.Name), // always disable v4 discovery in light client mode
DiscoveryV5: ctx.GlobalBool(DiscoveryV5Flag.Name) || forceV5Discovery,
DiscoveryV5Addr: MakeDiscoveryV5Address(ctx),
BootstrapNodes: MakeBootstrapNodes(ctx),
BootstrapNodesV5: MakeBootstrapNodesV5(ctx),
ListenAddr: MakeListenAddress(ctx),
NAT: MakeNAT(ctx),
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
MaxPendingPeers: ctx.GlobalInt(MaxPendingPeersFlag.Name),
IPCPath: MakeIPCPath(ctx),
HTTPHost: MakeHTTPRpcHost(ctx),
HTTPPort: ctx.GlobalInt(RPCPortFlag.Name),
HTTPCors: ctx.GlobalString(RPCCORSDomainFlag.Name),
HTTPModules: MakeRPCModules(ctx.GlobalString(RPCApiFlag.Name)),
WSHost: MakeWSRpcHost(ctx),
WSPort: ctx.GlobalInt(WSPortFlag.Name),
WSOrigins: ctx.GlobalString(WSAllowedOriginsFlag.Name),
WSModules: MakeRPCModules(ctx.GlobalString(WSApiFlag.Name)),
}
if ctx.GlobalBool(DevModeFlag.Name) {
if !ctx.GlobalIsSet(DataDirFlag.Name) {
config.DataDir = filepath.Join(os.TempDir(), "/ethereum_dev_mode")
}
// --dev mode does not need p2p networking.
config.MaxPeers = 0
config.ListenAddr = ":0"
}
if netrestrict := ctx.GlobalString(NetrestrictFlag.Name); netrestrict != "" {
list, err := netutil.ParseNetlist(netrestrict)
if err != nil {
Fatalf("Option %q: %v", NetrestrictFlag.Name, err)
}
config.NetRestrict = list
}
stack, err := node.New(config)
if err != nil {
Fatalf("Failed to create the protocol stack: %v", err)
}
return stack
}
// RegisterEthService configures eth.Ethereum from command line flags and adds it to the
// given node.
func RegisterEthService(ctx *cli.Context, stack *node.Node, extra []byte) {
// Avoid conflicting network flags
networks, netFlags := 0, []cli.BoolFlag{DevModeFlag, TestNetFlag}
for _, flag := range netFlags {
if ctx.GlobalBool(flag.Name) {
networks++
}
}
if networks > 1 {
Fatalf("The %v flags are mutually exclusive", netFlags)
}
ks := stack.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
ethConf := &eth.Config{
Etherbase: MakeEtherbase(ks, ctx),
ChainConfig: MakeChainConfig(ctx, stack),
FastSync: ctx.GlobalBool(FastSyncFlag.Name),
LightMode: ctx.GlobalBool(LightModeFlag.Name),
LightServ: ctx.GlobalInt(LightServFlag.Name),
LightPeers: ctx.GlobalInt(LightPeersFlag.Name),
MaxPeers: ctx.GlobalInt(MaxPeersFlag.Name),
DatabaseCache: ctx.GlobalInt(CacheFlag.Name),
DatabaseHandles: MakeDatabaseHandles(),
2015-05-26 12:17:43 +00:00
NetworkId: ctx.GlobalInt(NetworkIdFlag.Name),
MinerThreads: ctx.GlobalInt(MinerThreadsFlag.Name),
ExtraData: MakeMinerExtra(extra, ctx),
DocRoot: ctx.GlobalString(DocRootFlag.Name),
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
2017-02-26 21:21:51 +00:00
GasPrice: GlobalBig(ctx, GasPriceFlag.Name),
GpoMinGasPrice: GlobalBig(ctx, GpoMinGasPriceFlag.Name),
GpoMaxGasPrice: GlobalBig(ctx, GpoMaxGasPriceFlag.Name),
2015-05-26 12:17:43 +00:00
GpoFullBlockRatio: ctx.GlobalInt(GpoFullBlockRatioFlag.Name),
GpobaseStepDown: ctx.GlobalInt(GpobaseStepDownFlag.Name),
GpobaseStepUp: ctx.GlobalInt(GpobaseStepUpFlag.Name),
GpobaseCorrectionFactor: ctx.GlobalInt(GpobaseCorrectionFactorFlag.Name),
SolcPath: ctx.GlobalString(SolcPathFlag.Name),
AutoDAG: ctx.GlobalBool(AutoDAGFlag.Name) || ctx.GlobalBool(MiningEnabledFlag.Name),
EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name),
}
// Override any default configs in dev mode or the test net
switch {
case ctx.GlobalBool(TestNetFlag.Name):
if !ctx.GlobalIsSet(NetworkIdFlag.Name) {
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ethConf.NetworkId = 3
}
2016-11-20 21:32:31 +00:00
ethConf.Genesis = core.DefaultTestnetGenesisBlock()
2015-10-05 11:01:34 +00:00
case ctx.GlobalBool(DevModeFlag.Name):
ethConf.Genesis = core.DevGenesisBlock()
if !ctx.GlobalIsSet(GasPriceFlag.Name) {
ethConf.GasPrice = new(big.Int)
}
ethConf.PowTest = true
}
// Override any global options pertaining to the Ethereum protocol
if gen := ctx.GlobalInt(TrieCacheGenFlag.Name); gen > 0 {
state.MaxTrieCacheGen = uint16(gen)
}
if ethConf.LightMode {
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
return les.New(ctx, ethConf)
}); err != nil {
Fatalf("Failed to register the Ethereum light node service: %v", err)
}
} else {
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
fullNode, err := eth.New(ctx, ethConf)
if fullNode != nil && ethConf.LightServ > 0 {
ls, _ := les.NewLesServer(fullNode, ethConf)
fullNode.AddLesServer(ls)
}
return fullNode, err
}); err != nil {
Fatalf("Failed to register the Ethereum full node service: %v", err)
}
}
}
// RegisterShhService configures Whisper and adds it to the given node.
func RegisterShhService(stack *node.Node) {
if err := stack.Register(func(*node.ServiceContext) (node.Service, error) { return whisper.New(), nil }); err != nil {
Fatalf("Failed to register the Whisper service: %v", err)
}
}
// RegisterEthStatsService configures the Ethereum Stats daemon and adds it to
// th egiven node.
func RegisterEthStatsService(stack *node.Node, url string) {
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
// Retrieve both eth and les services
var ethServ *eth.Ethereum
ctx.Service(&ethServ)
var lesServ *les.LightEthereum
ctx.Service(&lesServ)
return ethstats.New(url, ethServ, lesServ)
}); err != nil {
Fatalf("Failed to register the Ethereum Stats service: %v", err)
}
}
// SetupNetwork configures the system for either the main net or some test network.
func SetupNetwork(ctx *cli.Context) {
common: move big integer math to common/math (#3699) * common: remove CurrencyToString Move denomination values to params instead. * common: delete dead code * common: move big integer operations to common/math This commit consolidates all big integer operations into common/math and adds tests and documentation. There should be no change in semantics for BigPow, BigMin, BigMax, S256, U256, Exp and their behaviour is now locked in by tests. The BigD, BytesToBig and Bytes2Big functions don't provide additional value, all uses are replaced by new(big.Int).SetBytes(). BigToBytes is now called PaddedBigBytes, its minimum output size parameter is now specified as the number of bytes instead of bits. The single use of this function is in the EVM's MSTORE instruction. Big and String2Big are replaced by ParseBig, which is slightly stricter. It previously accepted leading zeros for hexadecimal inputs but treated decimal inputs as octal if a leading zero digit was present. ParseUint64 is used in places where String2Big was used to decode a uint64. The new functions MustParseBig and MustParseUint64 are now used in many places where parsing errors were previously ignored. * common: delete unused big integer variables * accounts/abi: replace uses of BytesToBig with use of encoding/binary * common: remove BytesToBig * common: remove Bytes2Big * common: remove BigTrue * cmd/utils: add BigFlag and use it for error-checked integer flags While here, remove environment variable processing for DirectoryFlag because we don't use it. * core: add missing error checks in genesis block parser * common: remove String2Big * cmd/evm: use utils.BigFlag * common/math: check for 256 bit overflow in ParseBig This is supposed to prevent silent overflow/truncation of values in the genesis block JSON. Without this check, a genesis block that set a balance larger than 256 bits would lead to weird behaviour in the VM. * cmd/utils: fixup import
2017-02-26 21:21:51 +00:00
params.TargetGasLimit = new(big.Int).SetUint64(ctx.GlobalUint64(TargetGasLimitFlag.Name))
}
// MakeChainConfig reads the chain configuration from the database in ctx.Datadir.
func MakeChainConfig(ctx *cli.Context, stack *node.Node) *params.ChainConfig {
db := MakeChainDatabase(ctx, stack)
defer db.Close()
return MakeChainConfigFromDb(ctx, db)
}
// MakeChainConfigFromDb reads the chain configuration from the given database.
func MakeChainConfigFromDb(ctx *cli.Context, db ethdb.Database) *params.ChainConfig {
// If the chain is already initialized, use any existing chain configs
config := new(params.ChainConfig)
genesis := core.GetBlock(db, core.GetCanonicalHash(db, 0), 0)
if genesis != nil {
storedConfig, err := core.GetChainConfig(db, genesis.Hash())
switch err {
case nil:
config = storedConfig
case core.ChainConfigNotFoundErr:
// No configs found, use empty, will populate below
default:
Fatalf("Could not make chain configuration: %v", err)
}
}
2016-11-02 12:44:13 +00:00
// set chain id in case it's zero.
if config.ChainId == nil {
config.ChainId = new(big.Int)
}
// Check whether we are allowed to set default config params or not:
// - If no genesis is set, we're running either mainnet or testnet (private nets use `geth init`)
// - If a genesis is already set, ensure we have a configuration for it (mainnet or testnet)
defaults := genesis == nil ||
(genesis.Hash() == params.MainNetGenesisHash && !ctx.GlobalBool(TestNetFlag.Name)) ||
(genesis.Hash() == params.TestNetGenesisHash && ctx.GlobalBool(TestNetFlag.Name))
if defaults {
if ctx.GlobalBool(TestNetFlag.Name) {
2016-11-20 21:32:31 +00:00
config = params.TestnetChainConfig
} else if ctx.GlobalBool(DevModeFlag.Name) {
config = params.AllProtocolChanges
} else {
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// Homestead fork
config.HomesteadBlock = params.MainNetHomesteadBlock
2016-11-20 21:32:31 +00:00
// DAO fork
config.DAOForkBlock = params.MainNetDAOForkBlock
2016-11-20 21:32:31 +00:00
config.DAOForkSupport = true
2016-11-20 21:32:31 +00:00
// DoS reprice fork
config.EIP150Block = params.MainNetHomesteadGasRepriceBlock
config.EIP150Hash = params.MainNetHomesteadGasRepriceHash
2016-11-20 21:32:31 +00:00
// DoS state cleanup fork
config.EIP155Block = params.MainNetSpuriousDragon
config.EIP158Block = params.MainNetSpuriousDragon
config.ChainId = params.MainNetChainID
2016-11-14 16:23:39 +00:00
}
}
return config
}
func ChainDbName(ctx *cli.Context) string {
if ctx.GlobalBool(LightModeFlag.Name) {
return "lightchaindata"
} else {
return "chaindata"
}
}
// MakeChainDatabase open an LevelDB using the flags passed to the client and will hard crash if it fails.
func MakeChainDatabase(ctx *cli.Context, stack *node.Node) ethdb.Database {
var (
cache = ctx.GlobalInt(CacheFlag.Name)
handles = MakeDatabaseHandles()
name = ChainDbName(ctx)
)
chainDb, err := stack.OpenDatabase(name, cache, handles)
if err != nil {
Fatalf("Could not open database: %v", err)
}
return chainDb
}
// MakeChain creates a chain manager from set command line flags.
func MakeChain(ctx *cli.Context, stack *node.Node) (chain *core.BlockChain, chainDb ethdb.Database) {
var err error
chainDb = MakeChainDatabase(ctx, stack)
if ctx.GlobalBool(TestNetFlag.Name) {
_, err := core.WriteTestNetGenesisBlock(chainDb)
if err != nil {
Fatalf("Failed to write testnet genesis: %v", err)
}
}
chainConfig := MakeChainConfigFromDb(ctx, chainDb)
pow := pow.PoW(core.FakePow{})
if !ctx.GlobalBool(FakePoWFlag.Name) {
pow = ethash.New()
}
chain, err = core.NewBlockChain(chainDb, chainConfig, pow, new(event.TypeMux), vm.Config{EnablePreimageRecording: ctx.GlobalBool(VMEnableDebugFlag.Name)})
if err != nil {
Fatalf("Could not start chainmanager: %v", err)
}
return chain, chainDb
}
// MakeConsolePreloads retrieves the absolute paths for the console JavaScript
// scripts to preload before starting.
func MakeConsolePreloads(ctx *cli.Context) []string {
// Skip preloading if there's nothing to preload
if ctx.GlobalString(PreloadJSFlag.Name) == "" {
return nil
}
// Otherwise resolve absolute paths and return them
preloads := []string{}
assets := ctx.GlobalString(JSpathFlag.Name)
for _, file := range strings.Split(ctx.GlobalString(PreloadJSFlag.Name), ",") {
preloads = append(preloads, common.AbsolutePath(assets, strings.TrimSpace(file)))
}
return preloads
}