Revision 6d7613d9dce4cfba281879dcd15edf3647b4e48b authored by William Banfield on 15 December 2021, 16:49:05 UTC, committed by William Banfield on 15 December 2021, 16:49:05 UTC
1 parent 9cd4cfe
public.go
// Package node provides a high level wrapper around tendermint services.
package node
import (
"context"
"fmt"
abciclient "github.com/tendermint/tendermint/abci/client"
"github.com/tendermint/tendermint/config"
"github.com/tendermint/tendermint/libs/log"
"github.com/tendermint/tendermint/libs/service"
"github.com/tendermint/tendermint/privval"
"github.com/tendermint/tendermint/types"
)
// NewDefault constructs a tendermint node service for use in go
// process that host their own process-local tendermint node. This is
// equivalent to running tendermint in it's own process communicating
// to an external ABCI application.
func NewDefault(
ctx context.Context,
conf *config.Config,
logger log.Logger,
) (service.Service, error) {
return newDefaultNode(ctx, conf, logger)
}
// New constructs a tendermint node. The ClientCreator makes it
// possible to construct an ABCI application that runs in the same
// process as the tendermint node. The final option is a pointer to a
// Genesis document: if the value is nil, the genesis document is read
// from the file specified in the config, and otherwise the node uses
// value of the final argument.
func New(
ctx context.Context,
conf *config.Config,
logger log.Logger,
cf abciclient.Creator,
gen *types.GenesisDoc,
) (service.Service, error) {
nodeKey, err := types.LoadOrGenNodeKey(conf.NodeKeyFile())
if err != nil {
return nil, fmt.Errorf("failed to load or gen node key %s: %w", conf.NodeKeyFile(), err)
}
var genProvider genesisDocProvider
switch gen {
case nil:
genProvider = defaultGenesisDocProviderFunc(conf)
default:
genProvider = func() (*types.GenesisDoc, error) { return gen, nil }
}
switch conf.Mode {
case config.ModeFull, config.ModeValidator:
pval, err := privval.LoadOrGenFilePV(conf.PrivValidator.KeyFile(), conf.PrivValidator.StateFile())
if err != nil {
return nil, err
}
return makeNode(
ctx,
conf,
pval,
nodeKey,
cf,
genProvider,
config.DefaultDBProvider,
logger)
case config.ModeSeed:
return makeSeedNode(conf, config.DefaultDBProvider, nodeKey, genProvider, logger)
default:
return nil, fmt.Errorf("%q is not a valid mode", conf.Mode)
}
}
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