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oracle: integrate module in core and RPC

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1. Initialization is performed via `Blockchain` methods.
2. Native Oracle contract updates list of oracle nodes
  and in-fly requests in `PostPersist`.
3. RPC uses Oracle module directly.
This commit is contained in:
Evgenii Stratonikov 2020-09-28 14:58:04 +03:00 • committed by Evgeniy Stratonikov
parent 7e16bea126
commit 43e4d3af88
31 changed files with 590 additions and 44 deletions
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37
pkg/network/server.go
View file

@ -20,6 +20,7 @@ import (
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/network/capability"
"github.com/nspcc-dev/neo-go/pkg/network/payload"
"github.com/nspcc-dev/neo-go/pkg/services/oracle"
"github.com/nspcc-dev/neo-go/pkg/util"
"go.uber.org/atomic"
"go.uber.org/zap"
@ -82,6 +83,8 @@ type (
consensusStarted *atomic.Bool
oracle *oracle.Oracle
log *zap.Logger
}
@ -142,6 +145,29 @@ func newServerFromConstructors(config ServerConfig, chain blockchainer.Blockchai
}
})
if config.OracleCfg.Enabled {
orcCfg := oracle.Config{
Log: log,
Network: config.Net,
MainCfg: config.OracleCfg,
Chain: chain,
}
orc, err := oracle.NewOracle(orcCfg)
if err != nil {
return nil, fmt.Errorf("can't initialize Oracle module: %w", err)
}
orc.SetOnTransaction(func(tx *transaction.Transaction) {
r := s.RelayTxn(tx)
if r != RelaySucceed {
orc.Log.Error("can't pool oracle tx",
zap.String("hash", tx.Hash().StringLE()),
zap.Uint8("reason", byte(r)))
}
})
s.oracle = orc
chain.SetOracle(orc)
}
srv, err := newConsensus(consensus.Config{
Logger: log,
Broadcast: s.handleNewPayload,
@ -203,6 +229,9 @@ func (s *Server) Start(errChan chan error) {
s.initStaleMemPools()
go s.broadcastTxLoop()
if s.oracle != nil {
go s.oracle.Run()
}
go s.relayBlocksLoop()
go s.bQueue.run()
go s.transport.Accept()
@ -222,9 +251,17 @@ func (s *Server) Shutdown() {
p.Disconnect(errServerShutdown)
}
s.bQueue.discard()
if s.oracle != nil {
s.oracle.Shutdown()
}
close(s.quit)
}
// GetOracle returns oracle module instance.
func (s *Server) GetOracle() *oracle.Oracle {
return s.oracle
}
// 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 {