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tm_node.go
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tm_node.go
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package abci
import (
"fmt"
"code.vegaprotocol.io/vega/core/blockchain"
"code.vegaprotocol.io/vega/logging"
"github.com/spf13/viper"
"github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/config"
"github.com/tendermint/tendermint/libs/service"
nm "github.com/tendermint/tendermint/node"
"github.com/tendermint/tendermint/p2p"
"github.com/tendermint/tendermint/privval"
"github.com/tendermint/tendermint/proxy"
tmtypes "github.com/tendermint/tendermint/types"
)
type TmNode struct {
conf blockchain.Config
node service.Service
}
const namedLogger = "tendermint"
func NewTmNode(
conf blockchain.Config,
log *logging.Logger,
homeDir string,
app types.Application,
genesisDoc *tmtypes.GenesisDoc,
) (*TmNode, error) {
log = log.Named(namedLogger)
log.SetLevel(conf.Tendermint.Level.Get())
config, err := loadConfig(homeDir)
if err != nil {
return nil, err
}
viper.SetConfigFile(fmt.Sprintf("%s/%s", homeDir, "config/config.toml"))
if err := viper.ReadInConfig(); err != nil {
return nil, fmt.Errorf("reading tendermint config: %v", err)
}
if err := viper.Unmarshal(config); err != nil {
return nil, fmt.Errorf("decoding tendermint config: %v", err)
}
if err := config.ValidateBasic(); err != nil {
return nil, fmt.Errorf("invalid tendermint configuration data: %v", err)
}
if genesisDoc == nil {
genesisDoc, err = tmtypes.GenesisDocFromFile(config.GenesisFile())
if err != nil {
return nil, fmt.Errorf("loading tendermint genesis document: %v", err)
}
}
genesisDocProvider := func() (*tmtypes.GenesisDoc, error) {
return genesisDoc, nil
}
// read private validator
pv := privval.LoadFilePV(
config.PrivValidatorKeyFile(),
config.PrivValidatorStateFile(),
)
// read node key
nodeKey, err := p2p.LoadNodeKey(config.NodeKeyFile())
if err != nil {
return nil, fmt.Errorf("failed to load node's key: %w", err)
}
// create logger
logger := &TmLogger{log.ToSugared()}
// create node
node, err := nm.NewNode(
config,
pv,
nodeKey,
proxy.NewLocalClientCreator(app),
genesisDocProvider,
nm.DefaultDBProvider,
nm.DefaultMetricsProvider(config.Instrumentation),
logger)
if err != nil {
return nil, fmt.Errorf("failed to create new Tendermint node: %w", err)
}
// acc := abciclient.NewLocalCreator(app)
// node, err := nm.New(config, logger, acc, genesisDoc)
// if err != nil {
// return nil, fmt.Errorf("creating tendermint node: %v", err)
// }
return &TmNode{conf, node}, nil
}
func (*TmNode) ReloadConf(cfg blockchain.Config) {
}
func (t *TmNode) GetClient() (*LocalClient, error) {
return newLocalClient(t.node)
}
func (t *TmNode) Start() error {
return t.node.Start()
}
func (t *TmNode) Stop() error {
if t.node != nil && t.node.IsRunning() {
if err := t.node.Stop(); err != nil {
return err
}
}
<-t.node.Quit()
return nil
}
func loadConfig(homeDir string) (*config.Config, error) {
conf := config.DefaultConfig()
if err := viper.Unmarshal(conf); err != nil {
return nil, err
}
conf.SetRoot(homeDir)
overwriteConfig(conf)
if err := conf.ValidateBasic(); err != nil {
return nil, fmt.Errorf("error in config file: %w", err)
}
return conf, nil
}
// we want to force validators to skip timeout on commit so they don't wait after consensus has been reached.
func overwriteConfig(config *config.Config) {
config.Consensus.SkipTimeoutCommit = true
config.Consensus.CreateEmptyBlocks = true
// enforce using priority mempool
config.Mempool.Version = "v1"
// enforce compatibility
config.P2P.MaxPacketMsgPayloadSize = 16384
}