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67 lines
2.1 KiB
67 lines
2.1 KiB
// Package node provides a high level wrapper around tendermint services.
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package node
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import (
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"fmt"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/internal/p2p"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/libs/service"
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"github.com/tendermint/tendermint/privval"
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"github.com/tendermint/tendermint/proxy"
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"github.com/tendermint/tendermint/types"
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)
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// NewDefault constructs a tendermint node service for use in go
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// process that host their own process-local tendermint node. This is
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// equivalent to running tendermint in it's own process communicating
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// to an external ABCI application.
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func NewDefault(conf *config.Config, logger log.Logger) (service.Service, error) {
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return newDefaultNode(conf, logger)
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}
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// New constructs a tendermint node. The ClientCreator makes it
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// possible to construct an ABCI application that runs in the same
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// process as the tendermint node. The final option is a pointer to a
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// Genesis document: if the value is nil, the genesis document is read
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// from the file specified in the config, and otherwise the node uses
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// value of the final argument.
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func New(conf *config.Config,
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logger log.Logger,
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cf proxy.ClientCreator,
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gen *types.GenesisDoc,
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) (service.Service, error) {
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nodeKey, err := p2p.LoadOrGenNodeKey(conf.NodeKeyFile())
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if err != nil {
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return nil, fmt.Errorf("failed to load or gen node key %s: %w", conf.NodeKeyFile(), err)
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}
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var genProvider genesisDocProvider
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switch gen {
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case nil:
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genProvider = defaultGenesisDocProviderFunc(conf)
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default:
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genProvider = func() (*types.GenesisDoc, error) { return gen, nil }
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}
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switch conf.Mode {
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case config.ModeFull, config.ModeValidator:
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pval, err := privval.LoadOrGenFilePV(conf.PrivValidator.KeyFile(), conf.PrivValidator.StateFile())
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if err != nil {
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return nil, err
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}
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return makeNode(conf,
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pval,
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nodeKey,
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cf,
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genProvider,
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config.DefaultDBProvider,
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logger)
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case config.ModeSeed:
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return makeSeedNode(conf, config.DefaultDBProvider, nodeKey, genProvider, logger)
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default:
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return nil, fmt.Errorf("%q is not a valid mode", conf.Mode)
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}
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}
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