633 lines
21 KiB
Go
633 lines
21 KiB
Go
package config
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import (
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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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)
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const (
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// FuzzModeDrop is a mode in which we randomly drop reads/writes, connections or sleep
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FuzzModeDrop = iota
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// FuzzModeDelay is a mode in which we randomly sleep
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FuzzModeDelay
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)
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// NOTE: Most of the structs & relevant comments + the
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// default configuration options were used to manually
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// generate the config.toml. Please reflect any changes
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// made here in the defaultConfigTemplate constant in
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// config/toml.go
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// NOTE: tmlibs/cli must know to look in the config dir!
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var (
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DefaultTendermintDir = ".tendermint"
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defaultConfigDir = "config"
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defaultDataDir = "data"
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defaultConfigFileName = "config.toml"
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defaultGenesisJSONName = "genesis.json"
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defaultPrivValName = "priv_validator.json"
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defaultNodeKeyName = "node_key.json"
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defaultAddrBookName = "addrbook.json"
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defaultConfigFilePath = filepath.Join(defaultConfigDir, defaultConfigFileName)
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defaultGenesisJSONPath = filepath.Join(defaultConfigDir, defaultGenesisJSONName)
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defaultPrivValPath = filepath.Join(defaultConfigDir, defaultPrivValName)
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defaultNodeKeyPath = filepath.Join(defaultConfigDir, defaultNodeKeyName)
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defaultAddrBookPath = filepath.Join(defaultConfigDir, defaultAddrBookName)
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)
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// Config defines the top level configuration for a Tendermint node
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type Config struct {
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// Top level options use an anonymous struct
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BaseConfig `mapstructure:",squash"`
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// Options for services
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RPC *RPCConfig `mapstructure:"rpc"`
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P2P *P2PConfig `mapstructure:"p2p"`
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Mempool *MempoolConfig `mapstructure:"mempool"`
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Consensus *ConsensusConfig `mapstructure:"consensus"`
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TxIndex *TxIndexConfig `mapstructure:"tx_index"`
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Instrumentation *InstrumentationConfig `mapstructure:"instrumentation"`
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}
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// DefaultConfig returns a default configuration for a Tendermint node
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func DefaultConfig() *Config {
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return &Config{
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BaseConfig: DefaultBaseConfig(),
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RPC: DefaultRPCConfig(),
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P2P: DefaultP2PConfig(),
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Mempool: DefaultMempoolConfig(),
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Consensus: DefaultConsensusConfig(),
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TxIndex: DefaultTxIndexConfig(),
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Instrumentation: DefaultInstrumentationConfig(),
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}
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}
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// TestConfig returns a configuration that can be used for testing
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func TestConfig() *Config {
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return &Config{
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BaseConfig: TestBaseConfig(),
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RPC: TestRPCConfig(),
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P2P: TestP2PConfig(),
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Mempool: TestMempoolConfig(),
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Consensus: TestConsensusConfig(),
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TxIndex: TestTxIndexConfig(),
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Instrumentation: TestInstrumentationConfig(),
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}
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}
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// SetRoot sets the RootDir for all Config structs
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func (cfg *Config) SetRoot(root string) *Config {
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cfg.BaseConfig.RootDir = root
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cfg.RPC.RootDir = root
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cfg.P2P.RootDir = root
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cfg.Mempool.RootDir = root
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cfg.Consensus.RootDir = root
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return cfg
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}
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//-----------------------------------------------------------------------------
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// BaseConfig
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// BaseConfig defines the base configuration for a Tendermint node
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type BaseConfig struct {
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// chainID is unexposed and immutable but here for convenience
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chainID string
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// The root directory for all data.
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// This should be set in viper so it can unmarshal into this struct
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RootDir string `mapstructure:"home"`
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// Path to the JSON file containing the initial validator set and other meta data
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Genesis string `mapstructure:"genesis_file"`
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// Path to the JSON file containing the private key to use as a validator in the consensus protocol
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PrivValidator string `mapstructure:"priv_validator_file"`
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// A JSON file containing the private key to use for p2p authenticated encryption
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NodeKey string `mapstructure:"node_key_file"`
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// A custom human readable name for this node
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Moniker string `mapstructure:"moniker"`
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// TCP or UNIX socket address for Tendermint to listen on for
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// connections from an external PrivValidator process
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PrivValidatorListenAddr string `mapstructure:"priv_validator_laddr"`
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// TCP or UNIX socket address of the ABCI application,
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// or the name of an ABCI application compiled in with the Tendermint binary
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ProxyApp string `mapstructure:"proxy_app"`
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// Mechanism to connect to the ABCI application: socket | grpc
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ABCI string `mapstructure:"abci"`
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// Output level for logging
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LogLevel string `mapstructure:"log_level"`
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// TCP or UNIX socket address for the profiling server to listen on
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ProfListenAddress string `mapstructure:"prof_laddr"`
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// If this node is many blocks behind the tip of the chain, FastSync
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// allows them to catchup quickly by downloading blocks in parallel
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// and verifying their commits
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FastSync bool `mapstructure:"fast_sync"`
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// If true, query the ABCI app on connecting to a new peer
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// so the app can decide if we should keep the connection or not
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FilterPeers bool `mapstructure:"filter_peers"` // false
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// Database backend: leveldb | memdb
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DBBackend string `mapstructure:"db_backend"`
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// Database directory
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DBPath string `mapstructure:"db_dir"`
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}
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// DefaultBaseConfig returns a default base configuration for a Tendermint node
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func DefaultBaseConfig() BaseConfig {
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return BaseConfig{
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Genesis: defaultGenesisJSONPath,
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PrivValidator: defaultPrivValPath,
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NodeKey: defaultNodeKeyPath,
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Moniker: defaultMoniker,
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ProxyApp: "tcp://127.0.0.1:26658",
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ABCI: "socket",
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LogLevel: DefaultPackageLogLevels(),
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ProfListenAddress: "",
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FastSync: true,
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FilterPeers: false,
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DBBackend: "leveldb",
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DBPath: "data",
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}
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}
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// TestBaseConfig returns a base configuration for testing a Tendermint node
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func TestBaseConfig() BaseConfig {
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cfg := DefaultBaseConfig()
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cfg.chainID = "tendermint_test"
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cfg.ProxyApp = "kvstore"
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cfg.FastSync = false
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cfg.DBBackend = "memdb"
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return cfg
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}
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func (cfg BaseConfig) ChainID() string {
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return cfg.chainID
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}
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// GenesisFile returns the full path to the genesis.json file
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func (cfg BaseConfig) GenesisFile() string {
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return rootify(cfg.Genesis, cfg.RootDir)
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}
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// PrivValidatorFile returns the full path to the priv_validator.json file
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func (cfg BaseConfig) PrivValidatorFile() string {
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return rootify(cfg.PrivValidator, cfg.RootDir)
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}
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// NodeKeyFile returns the full path to the node_key.json file
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func (cfg BaseConfig) NodeKeyFile() string {
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return rootify(cfg.NodeKey, cfg.RootDir)
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}
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// DBDir returns the full path to the database directory
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func (cfg BaseConfig) DBDir() string {
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return rootify(cfg.DBPath, cfg.RootDir)
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}
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// DefaultLogLevel returns a default log level of "error"
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func DefaultLogLevel() string {
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return "error"
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}
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// DefaultPackageLogLevels returns a default log level setting so all packages
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// log at "error", while the `state` and `main` packages log at "info"
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func DefaultPackageLogLevels() string {
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return fmt.Sprintf("main:info,state:info,*:%s", DefaultLogLevel())
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}
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//-----------------------------------------------------------------------------
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// RPCConfig
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// RPCConfig defines the configuration options for the Tendermint RPC server
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type RPCConfig struct {
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RootDir string `mapstructure:"home"`
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// TCP or UNIX socket address for the RPC server to listen on
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ListenAddress string `mapstructure:"laddr"`
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// TCP or UNIX socket address for the gRPC server to listen on
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// NOTE: This server only supports /broadcast_tx_commit
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GRPCListenAddress string `mapstructure:"grpc_laddr"`
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// Activate unsafe RPC commands like /dial_persistent_peers and /unsafe_flush_mempool
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Unsafe bool `mapstructure:"unsafe"`
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}
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// DefaultRPCConfig returns a default configuration for the RPC server
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func DefaultRPCConfig() *RPCConfig {
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return &RPCConfig{
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ListenAddress: "tcp://0.0.0.0:26657",
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GRPCListenAddress: "",
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Unsafe: false,
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}
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}
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// TestRPCConfig returns a configuration for testing the RPC server
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func TestRPCConfig() *RPCConfig {
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cfg := DefaultRPCConfig()
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cfg.ListenAddress = "tcp://0.0.0.0:36657"
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cfg.GRPCListenAddress = "tcp://0.0.0.0:36658"
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cfg.Unsafe = true
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return cfg
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}
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//-----------------------------------------------------------------------------
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// P2PConfig
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// P2PConfig defines the configuration options for the Tendermint peer-to-peer networking layer
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type P2PConfig struct {
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RootDir string `mapstructure:"home"`
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// Address to listen for incoming connections
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ListenAddress string `mapstructure:"laddr"`
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// Comma separated list of seed nodes to connect to
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// We only use these if we can’t connect to peers in the addrbook
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Seeds string `mapstructure:"seeds"`
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// Comma separated list of nodes to keep persistent connections to
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// Do not add private peers to this list if you don't want them advertised
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PersistentPeers string `mapstructure:"persistent_peers"`
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// Skip UPNP port forwarding
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SkipUPNP bool `mapstructure:"skip_upnp"`
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// Path to address book
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AddrBook string `mapstructure:"addr_book_file"`
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// Set true for strict address routability rules
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AddrBookStrict bool `mapstructure:"addr_book_strict"`
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// Maximum number of peers to connect to
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MaxNumPeers int `mapstructure:"max_num_peers"`
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// Time to wait before flushing messages out on the connection, in ms
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FlushThrottleTimeout int `mapstructure:"flush_throttle_timeout"`
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// Maximum size of a message packet payload, in bytes
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MaxPacketMsgPayloadSize int `mapstructure:"max_packet_msg_payload_size"`
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// Rate at which packets can be sent, in bytes/second
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SendRate int64 `mapstructure:"send_rate"`
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// Rate at which packets can be received, in bytes/second
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RecvRate int64 `mapstructure:"recv_rate"`
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// Set true to enable the peer-exchange reactor
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PexReactor bool `mapstructure:"pex"`
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// Seed mode, in which node constantly crawls the network and looks for
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// peers. If another node asks it for addresses, it responds and disconnects.
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//
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// Does not work if the peer-exchange reactor is disabled.
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SeedMode bool `mapstructure:"seed_mode"`
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// Comma separated list of peer IDs to keep private (will not be gossiped to
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// other peers)
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PrivatePeerIDs string `mapstructure:"private_peer_ids"`
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// Toggle to disable guard against peers connecting from the same ip.
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AllowDuplicateIP bool `mapstructure:"allow_duplicate_ip"`
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// Peer connection configuration.
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HandshakeTimeout time.Duration `mapstructure:"handshake_timeout"`
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DialTimeout time.Duration `mapstructure:"dial_timeout"`
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// Testing params.
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// Force dial to fail
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TestDialFail bool `mapstructure:"test_dial_fail"`
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// FUzz connection
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TestFuzz bool `mapstructure:"test_fuzz"`
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TestFuzzConfig *FuzzConnConfig `mapstructure:"test_fuzz_config"`
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}
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// DefaultP2PConfig returns a default configuration for the peer-to-peer layer
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func DefaultP2PConfig() *P2PConfig {
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return &P2PConfig{
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ListenAddress: "tcp://0.0.0.0:26656",
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AddrBook: defaultAddrBookPath,
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AddrBookStrict: true,
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MaxNumPeers: 50,
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FlushThrottleTimeout: 100,
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MaxPacketMsgPayloadSize: 1024, // 1 kB
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SendRate: 512000, // 500 kB/s
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RecvRate: 512000, // 500 kB/s
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PexReactor: true,
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SeedMode: false,
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AllowDuplicateIP: true, // so non-breaking yet
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HandshakeTimeout: 20 * time.Second,
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DialTimeout: 3 * time.Second,
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TestDialFail: false,
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TestFuzz: false,
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TestFuzzConfig: DefaultFuzzConnConfig(),
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}
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}
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// TestP2PConfig returns a configuration for testing the peer-to-peer layer
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func TestP2PConfig() *P2PConfig {
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cfg := DefaultP2PConfig()
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cfg.ListenAddress = "tcp://0.0.0.0:36656"
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cfg.SkipUPNP = true
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cfg.FlushThrottleTimeout = 10
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cfg.AllowDuplicateIP = true
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return cfg
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}
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// AddrBookFile returns the full path to the address book
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func (cfg *P2PConfig) AddrBookFile() string {
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return rootify(cfg.AddrBook, cfg.RootDir)
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}
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// FuzzConnConfig is a FuzzedConnection configuration.
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type FuzzConnConfig struct {
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Mode int
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MaxDelay time.Duration
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ProbDropRW float64
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ProbDropConn float64
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ProbSleep float64
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}
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// DefaultFuzzConnConfig returns the default config.
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func DefaultFuzzConnConfig() *FuzzConnConfig {
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return &FuzzConnConfig{
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Mode: FuzzModeDrop,
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MaxDelay: 3 * time.Second,
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ProbDropRW: 0.2,
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ProbDropConn: 0.00,
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ProbSleep: 0.00,
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}
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}
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//-----------------------------------------------------------------------------
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// MempoolConfig
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// MempoolConfig defines the configuration options for the Tendermint mempool
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type MempoolConfig struct {
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RootDir string `mapstructure:"home"`
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Recheck bool `mapstructure:"recheck"`
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RecheckEmpty bool `mapstructure:"recheck_empty"`
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Broadcast bool `mapstructure:"broadcast"`
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WalPath string `mapstructure:"wal_dir"`
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Size int `mapstructure:"size"`
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CacheSize int `mapstructure:"cache_size"`
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}
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// DefaultMempoolConfig returns a default configuration for the Tendermint mempool
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func DefaultMempoolConfig() *MempoolConfig {
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return &MempoolConfig{
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Recheck: true,
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RecheckEmpty: true,
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Broadcast: true,
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WalPath: filepath.Join(defaultDataDir, "mempool.wal"),
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Size: 100000,
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CacheSize: 100000,
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}
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}
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// TestMempoolConfig returns a configuration for testing the Tendermint mempool
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func TestMempoolConfig() *MempoolConfig {
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cfg := DefaultMempoolConfig()
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cfg.CacheSize = 1000
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return cfg
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}
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// WalDir returns the full path to the mempool's write-ahead log
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func (cfg *MempoolConfig) WalDir() string {
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return rootify(cfg.WalPath, cfg.RootDir)
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}
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//-----------------------------------------------------------------------------
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// ConsensusConfig
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// ConsensusConfig defines the configuration for the Tendermint consensus service,
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// including timeouts and details about the WAL and the block structure.
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type ConsensusConfig struct {
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RootDir string `mapstructure:"home"`
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WalPath string `mapstructure:"wal_file"`
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walFile string // overrides WalPath if set
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// All timeouts are in milliseconds
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TimeoutPropose int `mapstructure:"timeout_propose"`
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TimeoutProposeDelta int `mapstructure:"timeout_propose_delta"`
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TimeoutPrevote int `mapstructure:"timeout_prevote"`
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TimeoutPrevoteDelta int `mapstructure:"timeout_prevote_delta"`
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TimeoutPrecommit int `mapstructure:"timeout_precommit"`
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TimeoutPrecommitDelta int `mapstructure:"timeout_precommit_delta"`
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TimeoutCommit int `mapstructure:"timeout_commit"`
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// Make progress as soon as we have all the precommits (as if TimeoutCommit = 0)
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SkipTimeoutCommit bool `mapstructure:"skip_timeout_commit"`
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// BlockSize
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MaxBlockSizeTxs int `mapstructure:"max_block_size_txs"`
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MaxBlockSizeBytes int `mapstructure:"max_block_size_bytes"`
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// EmptyBlocks mode and possible interval between empty blocks in seconds
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CreateEmptyBlocks bool `mapstructure:"create_empty_blocks"`
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CreateEmptyBlocksInterval int `mapstructure:"create_empty_blocks_interval"`
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// Reactor sleep duration parameters are in milliseconds
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PeerGossipSleepDuration int `mapstructure:"peer_gossip_sleep_duration"`
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PeerQueryMaj23SleepDuration int `mapstructure:"peer_query_maj23_sleep_duration"`
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}
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// DefaultConsensusConfig returns a default configuration for the consensus service
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func DefaultConsensusConfig() *ConsensusConfig {
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return &ConsensusConfig{
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WalPath: filepath.Join(defaultDataDir, "cs.wal", "wal"),
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TimeoutPropose: 3000,
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TimeoutProposeDelta: 500,
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TimeoutPrevote: 1000,
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TimeoutPrevoteDelta: 500,
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TimeoutPrecommit: 1000,
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TimeoutPrecommitDelta: 500,
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TimeoutCommit: 1000,
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SkipTimeoutCommit: false,
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MaxBlockSizeTxs: 10000,
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MaxBlockSizeBytes: 1, // TODO
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CreateEmptyBlocks: true,
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CreateEmptyBlocksInterval: 0,
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PeerGossipSleepDuration: 100,
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PeerQueryMaj23SleepDuration: 2000,
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}
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}
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// TestConsensusConfig returns a configuration for testing the consensus service
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func TestConsensusConfig() *ConsensusConfig {
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cfg := DefaultConsensusConfig()
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cfg.TimeoutPropose = 100
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cfg.TimeoutProposeDelta = 1
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cfg.TimeoutPrevote = 10
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cfg.TimeoutPrevoteDelta = 1
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cfg.TimeoutPrecommit = 10
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cfg.TimeoutPrecommitDelta = 1
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cfg.TimeoutCommit = 10
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cfg.SkipTimeoutCommit = true
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cfg.PeerGossipSleepDuration = 5
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cfg.PeerQueryMaj23SleepDuration = 250
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return cfg
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}
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// WaitForTxs returns true if the consensus should wait for transactions before entering the propose step
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func (cfg *ConsensusConfig) WaitForTxs() bool {
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return !cfg.CreateEmptyBlocks || cfg.CreateEmptyBlocksInterval > 0
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}
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// EmptyBlocks returns the amount of time to wait before proposing an empty block or starting the propose timer if there are no txs available
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func (cfg *ConsensusConfig) EmptyBlocksInterval() time.Duration {
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return time.Duration(cfg.CreateEmptyBlocksInterval) * time.Second
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}
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// Propose returns the amount of time to wait for a proposal
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func (cfg *ConsensusConfig) Propose(round int) time.Duration {
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return time.Duration(cfg.TimeoutPropose+cfg.TimeoutProposeDelta*round) * time.Millisecond
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}
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// Prevote returns the amount of time to wait for straggler votes after receiving any +2/3 prevotes
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func (cfg *ConsensusConfig) Prevote(round int) time.Duration {
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return time.Duration(cfg.TimeoutPrevote+cfg.TimeoutPrevoteDelta*round) * time.Millisecond
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}
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// Precommit returns the amount of time to wait for straggler votes after receiving any +2/3 precommits
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func (cfg *ConsensusConfig) Precommit(round int) time.Duration {
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return time.Duration(cfg.TimeoutPrecommit+cfg.TimeoutPrecommitDelta*round) * time.Millisecond
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}
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// Commit returns the amount of time to wait for straggler votes after receiving +2/3 precommits for a single block (ie. a commit).
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func (cfg *ConsensusConfig) Commit(t time.Time) time.Time {
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return t.Add(time.Duration(cfg.TimeoutCommit) * time.Millisecond)
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}
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// PeerGossipSleep returns the amount of time to sleep if there is nothing to send from the ConsensusReactor
|
||
func (cfg *ConsensusConfig) PeerGossipSleep() time.Duration {
|
||
return time.Duration(cfg.PeerGossipSleepDuration) * time.Millisecond
|
||
}
|
||
|
||
// PeerQueryMaj23Sleep returns the amount of time to sleep after each VoteSetMaj23Message is sent in the ConsensusReactor
|
||
func (cfg *ConsensusConfig) PeerQueryMaj23Sleep() time.Duration {
|
||
return time.Duration(cfg.PeerQueryMaj23SleepDuration) * time.Millisecond
|
||
}
|
||
|
||
// WalFile returns the full path to the write-ahead log file
|
||
func (cfg *ConsensusConfig) WalFile() string {
|
||
if cfg.walFile != "" {
|
||
return cfg.walFile
|
||
}
|
||
return rootify(cfg.WalPath, cfg.RootDir)
|
||
}
|
||
|
||
// SetWalFile sets the path to the write-ahead log file
|
||
func (cfg *ConsensusConfig) SetWalFile(walFile string) {
|
||
cfg.walFile = walFile
|
||
}
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// TxIndexConfig
|
||
|
||
// TxIndexConfig defines the configuration for the transaction
|
||
// indexer, including tags to index.
|
||
type TxIndexConfig struct {
|
||
// What indexer to use for transactions
|
||
//
|
||
// Options:
|
||
// 1) "null" (default)
|
||
// 2) "kv" - the simplest possible indexer, backed by key-value storage (defaults to levelDB; see DBBackend).
|
||
Indexer string `mapstructure:"indexer"`
|
||
|
||
// Comma-separated list of tags to index (by default the only tag is tx hash)
|
||
//
|
||
// It's recommended to index only a subset of tags due to possible memory
|
||
// bloat. This is, of course, depends on the indexer's DB and the volume of
|
||
// transactions.
|
||
IndexTags string `mapstructure:"index_tags"`
|
||
|
||
// When set to true, tells indexer to index all tags. Note this may be not
|
||
// desirable (see the comment above). IndexTags has a precedence over
|
||
// IndexAllTags (i.e. when given both, IndexTags will be indexed).
|
||
IndexAllTags bool `mapstructure:"index_all_tags"`
|
||
}
|
||
|
||
// DefaultTxIndexConfig returns a default configuration for the transaction indexer.
|
||
func DefaultTxIndexConfig() *TxIndexConfig {
|
||
return &TxIndexConfig{
|
||
Indexer: "kv",
|
||
IndexTags: "",
|
||
IndexAllTags: false,
|
||
}
|
||
}
|
||
|
||
// TestTxIndexConfig returns a default configuration for the transaction indexer.
|
||
func TestTxIndexConfig() *TxIndexConfig {
|
||
return DefaultTxIndexConfig()
|
||
}
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// InstrumentationConfig
|
||
|
||
// InstrumentationConfig defines the configuration for metrics reporting.
|
||
type InstrumentationConfig struct {
|
||
// When true, Prometheus metrics are served under /metrics on
|
||
// PrometheusListenAddr.
|
||
// Check out the documentation for the list of available metrics.
|
||
Prometheus bool `mapstructure:"prometheus"`
|
||
|
||
// Address to listen for Prometheus collector(s) connections.
|
||
PrometheusListenAddr string `mapstructure:"prometheus_listen_addr"`
|
||
}
|
||
|
||
// DefaultInstrumentationConfig returns a default configuration for metrics
|
||
// reporting.
|
||
func DefaultInstrumentationConfig() *InstrumentationConfig {
|
||
return &InstrumentationConfig{
|
||
Prometheus: false,
|
||
PrometheusListenAddr: ":26660",
|
||
}
|
||
}
|
||
|
||
// TestInstrumentationConfig returns a default configuration for metrics
|
||
// reporting.
|
||
func TestInstrumentationConfig() *InstrumentationConfig {
|
||
return DefaultInstrumentationConfig()
|
||
}
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// Utils
|
||
|
||
// helper function to make config creation independent of root dir
|
||
func rootify(path, root string) string {
|
||
if filepath.IsAbs(path) {
|
||
return path
|
||
}
|
||
return filepath.Join(root, path)
|
||
}
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// Moniker
|
||
|
||
var defaultMoniker = getDefaultMoniker()
|
||
|
||
// getDefaultMoniker returns a default moniker, which is the host name. If runtime
|
||
// fails to get the host name, "anonymous" will be returned.
|
||
func getDefaultMoniker() string {
|
||
moniker, err := os.Hostname()
|
||
if err != nil {
|
||
moniker = "anonymous"
|
||
}
|
||
return moniker
|
||
}
|