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99 lines
2.7 KiB
99 lines
2.7 KiB
package proxy
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import (
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"github.com/pkg/errors"
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"github.com/tendermint/tendermint/libs/service"
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)
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//-----------------------------
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// Tendermint's interface to the application consists of multiple connections
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type AppConns interface {
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service.Service
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Mempool() AppConnMempool
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Consensus() AppConnConsensus
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Query() AppConnQuery
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}
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func NewAppConns(clientCreator ClientCreator) AppConns {
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return NewMultiAppConn(clientCreator)
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}
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//-----------------------------
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// multiAppConn implements AppConns
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// a multiAppConn is made of a few appConns (mempool, consensus, query)
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// and manages their underlying abci clients
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// TODO: on app restart, clients must reboot together
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type multiAppConn struct {
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service.BaseService
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mempoolConn AppConnMempool
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consensusConn AppConnConsensus
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queryConn AppConnQuery
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clientCreator ClientCreator
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}
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// Make all necessary abci connections to the application
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func NewMultiAppConn(clientCreator ClientCreator) AppConns {
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multiAppConn := &multiAppConn{
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clientCreator: clientCreator,
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}
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multiAppConn.BaseService = *service.NewBaseService(nil, "multiAppConn", multiAppConn)
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return multiAppConn
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}
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// Returns the mempool connection
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func (app *multiAppConn) Mempool() AppConnMempool {
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return app.mempoolConn
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}
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// Returns the consensus Connection
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func (app *multiAppConn) Consensus() AppConnConsensus {
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return app.consensusConn
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}
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// Returns the query Connection
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func (app *multiAppConn) Query() AppConnQuery {
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return app.queryConn
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}
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func (app *multiAppConn) OnStart() error {
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// query connection
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querycli, err := app.clientCreator.NewABCIClient()
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if err != nil {
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return errors.Wrap(err, "Error creating ABCI client (query connection)")
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}
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querycli.SetLogger(app.Logger.With("module", "abci-client", "connection", "query"))
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if err := querycli.Start(); err != nil {
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return errors.Wrap(err, "Error starting ABCI client (query connection)")
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}
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app.queryConn = NewAppConnQuery(querycli)
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// mempool connection
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memcli, err := app.clientCreator.NewABCIClient()
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if err != nil {
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return errors.Wrap(err, "Error creating ABCI client (mempool connection)")
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}
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memcli.SetLogger(app.Logger.With("module", "abci-client", "connection", "mempool"))
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if err := memcli.Start(); err != nil {
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return errors.Wrap(err, "Error starting ABCI client (mempool connection)")
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}
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app.mempoolConn = NewAppConnMempool(memcli)
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// consensus connection
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concli, err := app.clientCreator.NewABCIClient()
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if err != nil {
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return errors.Wrap(err, "Error creating ABCI client (consensus connection)")
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}
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concli.SetLogger(app.Logger.With("module", "abci-client", "connection", "consensus"))
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if err := concli.Start(); err != nil {
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return errors.Wrap(err, "Error starting ABCI client (consensus connection)")
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}
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app.consensusConn = NewAppConnConsensus(concli)
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return nil
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}
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