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424 lines
14 KiB
424 lines
14 KiB
package config
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import (
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"fmt"
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"path/filepath"
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"time"
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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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}
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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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}
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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: DefaultMempoolConfig(),
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Consensus: TestConsensusConfig(),
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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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// 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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// The ID of the chain to join (should be signed with every transaction and vote)
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ChainID string `mapstructure:"chain_id"`
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// A JSON file containing the initial validator set and other meta data
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Genesis string `mapstructure:"genesis_file"`
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// A 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 custom human readable name for this node
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Moniker string `mapstructure:"moniker"`
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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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// What indexer to use for transactions
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TxIndex string `mapstructure:"tx_index"`
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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: "genesis.json",
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PrivValidator: "priv_validator.json",
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Moniker: "anonymous",
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ProxyApp: "tcp://127.0.0.1:46658",
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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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TxIndex: "kv",
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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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conf := DefaultBaseConfig()
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conf.ChainID = "tendermint_test"
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conf.ProxyApp = "dummy"
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conf.FastSync = false
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conf.DBBackend = "memdb"
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return conf
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}
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// GenesisFile returns the full path to the genesis.json file
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func (b BaseConfig) GenesisFile() string {
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return rootify(b.Genesis, b.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 (b BaseConfig) PrivValidatorFile() string {
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return rootify(b.PrivValidator, b.RootDir)
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}
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// DBDir returns the full path to the database directory
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func (b BaseConfig) DBDir() string {
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return rootify(b.DBPath, b.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 log at "error", while the `state` package logs at "info"
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func DefaultPackageLogLevels() string {
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return fmt.Sprintf("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_seeds 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://0.0.0.0:46657",
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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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conf := DefaultRPCConfig()
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conf.ListenAddress = "tcp://0.0.0.0:36657"
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conf.GRPCListenAddress = "tcp://0.0.0.0:36658"
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conf.Unsafe = true
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return conf
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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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Seeds string `mapstructure:"seeds"`
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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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// Set true to enable the peer-exchange reactor
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PexReactor bool `mapstructure:"pex"`
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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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MaxMsgPacketPayloadSize int `mapstructure:"max_msg_packet_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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}
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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://0.0.0.0:46656",
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AddrBook: "addrbook.json",
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AddrBookStrict: true,
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MaxNumPeers: 50,
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FlushThrottleTimeout: 100,
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MaxMsgPacketPayloadSize: 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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}
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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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conf := DefaultP2PConfig()
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conf.ListenAddress = "tcp://0.0.0.0:36656"
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conf.SkipUPNP = true
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return conf
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}
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// AddrBookFile returns the full path to the address book
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func (p *P2PConfig) AddrBookFile() string {
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return rootify(p.AddrBook, p.RootDir)
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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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}
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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: "data/mempool.wal",
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}
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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 (m *MempoolConfig) WalDir() string {
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return rootify(m.WalPath, m.RootDir)
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}
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//-----------------------------------------------------------------------------
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// ConsensusConfig
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// ConsensusConfig defines the confuguration 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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WalLight bool `mapstructure:"wal_light"`
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walFile string // overrides WalPath if set
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// All timeouts are in ms
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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 ms
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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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// 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
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func (cfg *ConsensusConfig) PeerGossipSleep() time.Duration {
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return time.Duration(cfg.PeerGossipSleepDuration) * time.Millisecond
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}
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// PeerQueryMaj23Sleep returns the amount of time to sleep after each VoteSetMaj23Message is sent in the ConsensusReactor
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func (cfg *ConsensusConfig) PeerQueryMaj23Sleep() time.Duration {
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return time.Duration(cfg.PeerQueryMaj23SleepDuration) * time.Millisecond
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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: "data/cs.wal/wal",
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WalLight: false,
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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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config := DefaultConsensusConfig()
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config.TimeoutPropose = 2000
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config.TimeoutProposeDelta = 1
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config.TimeoutPrevote = 10
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config.TimeoutPrevoteDelta = 1
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config.TimeoutPrecommit = 10
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config.TimeoutPrecommitDelta = 1
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config.TimeoutCommit = 10
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config.SkipTimeoutCommit = true
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return config
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}
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// WalFile returns the full path to the write-ahead log file
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func (c *ConsensusConfig) WalFile() string {
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if c.walFile != "" {
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return c.walFile
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}
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return rootify(c.WalPath, c.RootDir)
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}
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// SetWalFile sets the path to the write-ahead log file
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func (c *ConsensusConfig) SetWalFile(walFile string) {
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c.walFile = walFile
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}
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//-----------------------------------------------------------------------------
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// Utils
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// helper function to make config creation independent of root dir
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func rootify(path, root string) string {
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if filepath.IsAbs(path) {
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return path
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}
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return filepath.Join(root, path)
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}
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