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network: decouple Server from the notary service

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This commit is contained in:
Roman Khimov 2022-01-12 23:21:09 +03:00
parent 508d36f698
commit af87cb082f
2 changed files with 38 additions and 23 deletions
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33
cli/server/server.go
View file

@ -2,6 +2,7 @@ package server
import (
"context"
"errors"
"fmt"
"os"
"os/signal"
@ -14,10 +15,12 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/block"
"github.com/nspcc-dev/neo-go/pkg/core/chaindump"
"github.com/nspcc-dev/neo-go/pkg/core/storage"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/network"
"github.com/nspcc-dev/neo-go/pkg/network/metrics"
"github.com/nspcc-dev/neo-go/pkg/rpc/server"
"github.com/nspcc-dev/neo-go/pkg/services/notary"
"github.com/nspcc-dev/neo-go/pkg/services/oracle"
"github.com/nspcc-dev/neo-go/pkg/services/stateroot"
"github.com/urfave/cli"
@ -360,6 +363,32 @@ func mkConsensus(config network.ServerConfig, chain *core.Blockchain, serv *netw
return srv, nil
}
func mkP2PNotary(config network.ServerConfig, chain *core.Blockchain, serv *network.Server, log *zap.Logger) (*notary.Notary, error) {
if !config.P2PNotaryCfg.Enabled {
return nil, nil
}
if !chain.P2PSigExtensionsEnabled() {
return nil, errors.New("P2PSigExtensions are disabled, but Notary service is enabled")
}
cfg := notary.Config{
MainCfg: config.P2PNotaryCfg,
Chain: chain,
Log: log,
}
n, err := notary.NewNotary(cfg, serv.Net, serv.GetNotaryPool(), func(tx *transaction.Transaction) error {
if err := serv.RelayTxn(tx); err != nil {
return fmt.Errorf("can't relay completed notary transaction: hash %s, error: %w", tx.Hash().StringLE(), err)
}
return nil
})
if err != nil {
return nil, fmt.Errorf("failed to create Notary module: %w", err)
}
serv.AddService(n)
chain.SetNotary(n)
return n, nil
}
func startServer(ctx *cli.Context) error {
cfg, err := getConfigFromContext(ctx)
if err != nil {
@ -398,6 +427,10 @@ func startServer(ctx *cli.Context) error {
if err != nil {
return err
}
_, err = mkP2PNotary(serverConfig, chain, serv, log)
if err != nil {
return err
}
rpcServer := server.New(chain, cfg.ApplicationConfiguration.RPC, serv, oracleSrv, log)
errChan := make(chan error)

28
pkg/network/server.go
View file

@ -23,7 +23,6 @@ import (
"github.com/nspcc-dev/neo-go/pkg/network/capability"
"github.com/nspcc-dev/neo-go/pkg/network/extpool"
"github.com/nspcc-dev/neo-go/pkg/network/payload"
"github.com/nspcc-dev/neo-go/pkg/services/notary"
"github.com/nspcc-dev/neo-go/pkg/util"
"go.uber.org/atomic"
"go.uber.org/zap"
@ -78,7 +77,6 @@ type (
notaryRequestPool *mempool.Pool
extensiblePool *extpool.Pool
notaryFeer NotaryFeer
notaryModule *notary.Notary
services []Service
extensHandlers map[string]func(*payload.Extensible) error
extensHighPrio string
@ -167,27 +165,6 @@ func newServerFromConstructors(config ServerConfig, chain blockchainer.Blockchai
return bc.IsTxStillRelevant(t, txpool, true)
}, s.notaryFeer)
})
if config.P2PNotaryCfg.Enabled {
cfg := notary.Config{
MainCfg: config.P2PNotaryCfg,
Chain: chain,
Log: log,
}
n, err := notary.NewNotary(cfg, s.network, s.notaryRequestPool, func(tx *transaction.Transaction) error {
if err := s.RelayTxn(tx); err != nil {
return fmt.Errorf("can't relay completed notary transaction: hash %s, error: %w", tx.Hash().StringLE(), err)
}
return nil
})
if err != nil {
return nil, fmt.Errorf("failed to create Notary module: %w", err)
}
s.notaryModule = n
s.services = append(s.services, n)
chain.SetNotary(n)
}
} else if config.P2PNotaryCfg.Enabled {
return nil, errors.New("P2PSigExtensions are disabled, but Notary service is enabled")
}
s.bQueue = newBlockQueue(maxBlockBatch, chain, log, func(b *block.Block) {
s.tryStartServices()
@ -288,6 +265,11 @@ func (s *Server) AddExtensibleHPService(svc Service, category string, handler fu
s.AddExtensibleService(svc, category, handler)
}
// GetNotaryPool allows to retrieve notary pool, if it's configured.
func (s *Server) GetNotaryPool() *mempool.Pool {
return s.notaryRequestPool
}
// UnconnectedPeers returns a list of peers that are in the discovery peer list
// but are not connected to the server.
func (s *Server) UnconnectedPeers() []string {