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helpers.go
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/
helpers.go
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package cometbft_v37
import (
"fmt"
cfg "github.com/KYVENetwork/cometbft/v37/config"
cs "github.com/KYVENetwork/cometbft/v37/consensus"
"github.com/KYVENetwork/cometbft/v37/evidence"
mempl "github.com/KYVENetwork/cometbft/v37/mempool"
memplv0 "github.com/KYVENetwork/cometbft/v37/mempool/v0"
"github.com/KYVENetwork/cometbft/v37/proxy"
"github.com/KYVENetwork/cometbft/v37/state"
sm "github.com/KYVENetwork/cometbft/v37/state"
"github.com/KYVENetwork/cometbft/v37/store"
cometTypes "github.com/KYVENetwork/cometbft/v37/types"
dbm "github.com/cometbft/cometbft-db"
"github.com/spf13/viper"
"path/filepath"
)
type DBContext struct {
ID string
Config *Config
}
func LoadConfig(homePath string) (*cfg.Config, error) {
config := cfg.DefaultConfig()
viper.SetConfigName("config")
viper.SetConfigType("toml")
viper.AddConfigPath(homePath)
viper.AddConfigPath(filepath.Join(homePath, "config"))
if err := viper.ReadInConfig(); err != nil {
return nil, err
}
if err := viper.Unmarshal(config); err != nil {
return nil, err
}
config.SetRoot(homePath)
return config, nil
}
func DefaultDBProvider(ctx *DBContext) (dbm.DB, error) {
dbType := dbm.BackendType(ctx.Config.DBBackend)
return dbm.NewDB(ctx.ID, dbType, ctx.Config.DBDir())
}
func GetStateDBs(config *Config) (dbm.DB, state.Store, error) {
stateDB, err := DefaultDBProvider(&DBContext{"state", config})
if err != nil {
return nil, nil, err
}
stateStore := state.NewStore(stateDB, sm.StoreOptions{
DiscardABCIResponses: config.Storage.DiscardABCIResponses,
})
return stateDB, stateStore, nil
}
func GetBlockstoreDBs(config *Config) (dbm.DB, *store.BlockStore, error) {
blockStoreDB, err := DefaultDBProvider(&DBContext{"blockstore", config})
if err != nil {
return nil, nil, err
}
blockStore := store.NewBlockStore(blockStoreDB)
return blockStoreDB, blockStore, nil
}
func CreateAndStartProxyAppConns(config *Config) (proxy.AppConns, error) {
proxyApp := proxy.NewAppConns(proxy.DefaultClientCreator(config.ProxyApp, config.ABCI, config.DBDir()), proxy.NopMetrics())
proxyApp.SetLogger(cometLogger.With("module", "proxy"))
if err := proxyApp.Start(); err != nil {
return nil, fmt.Errorf("error starting proxy app connections: %v", err)
}
return proxyApp, nil
}
func CreateAndStartEventBus() (*cometTypes.EventBus, error) {
eventBus := cometTypes.NewEventBus()
eventBus.SetLogger(cometLogger.With("module", "events"))
if err := eventBus.Start(); err != nil {
return nil, err
}
return eventBus, nil
}
func DoHandshake(
stateStore sm.Store,
state sm.State,
blockStore sm.BlockStore,
genDoc *GenesisDoc,
eventBus cometTypes.BlockEventPublisher,
proxyApp proxy.AppConns,
) error {
handshaker := cs.NewHandshaker(stateStore, state, blockStore, genDoc)
handshaker.SetLogger(cometLogger.With("module", "consensus"))
handshaker.SetEventBus(eventBus)
if err := handshaker.Handshake(proxyApp); err != nil {
return fmt.Errorf("error during handshake: %v", err)
}
return nil
}
func CreateMempool(config *Config, proxyApp proxy.AppConns, state sm.State) mempl.Mempool {
logger := cometLogger.With("module", "mempool")
mp := memplv0.NewCListMempool(
config.Mempool,
proxyApp.Mempool(),
state.LastBlockHeight,
memplv0.WithMetrics(mempl.NopMetrics()),
memplv0.WithPreCheck(sm.TxPreCheck(state)),
memplv0.WithPostCheck(sm.TxPostCheck(state)),
)
mp.SetLogger(logger)
if config.Consensus.WaitForTxs() {
mp.EnableTxsAvailable()
}
return mp
}
func CreateEvidenceReactor(config *Config, stateStore sm.Store, blockStore *store.BlockStore) (*evidence.Reactor, *evidence.Pool, error) {
evidenceDB, err := DefaultDBProvider(&DBContext{ID: "evidence", Config: config})
if err != nil {
return nil, nil, err
}
evidenceLogger := cometLogger.With("module", "evidence")
evidencePool, err := evidence.NewPool(evidenceDB, stateStore, blockStore)
if err != nil {
return nil, nil, err
}
evidenceReactor := evidence.NewReactor(evidencePool)
evidenceReactor.SetLogger(evidenceLogger)
return evidenceReactor, evidencePool, nil
}