kaspad/app/protocol/flowcontext/flow_context.go
stasatdaglabs b195301a99
Add IsIBDPeer to GetConnectedPeerInfoResponse. (#1367)
Co-authored-by: Ori Newman <orinewman1@gmail.com>
2021-01-06 17:33:51 +02:00

89 lines
3.6 KiB
Go

package flowcontext
import (
"github.com/kaspanet/kaspad/util/mstime"
"sync"
"time"
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
"github.com/kaspanet/kaspad/domain"
"github.com/kaspanet/kaspad/app/protocol/flows/blockrelay"
"github.com/kaspanet/kaspad/app/protocol/flows/transactionrelay"
peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
"github.com/kaspanet/kaspad/infrastructure/config"
"github.com/kaspanet/kaspad/infrastructure/network/addressmanager"
"github.com/kaspanet/kaspad/infrastructure/network/connmanager"
"github.com/kaspanet/kaspad/infrastructure/network/netadapter"
"github.com/kaspanet/kaspad/infrastructure/network/netadapter/id"
)
// OnBlockAddedToDAGHandler is a handler function that's triggered
// when a block is added to the DAG
type OnBlockAddedToDAGHandler func(block *externalapi.DomainBlock, blockInsertionResult *externalapi.BlockInsertionResult) error
// OnTransactionAddedToMempoolHandler is a handler function that's triggered
// when a transaction is added to the mempool
type OnTransactionAddedToMempoolHandler func()
// FlowContext holds state that is relevant to more than one flow or one peer, and allows communication between
// different flows that can be associated to different peers.
type FlowContext struct {
cfg *config.Config
netAdapter *netadapter.NetAdapter
domain domain.Domain
addressManager *addressmanager.AddressManager
connectionManager *connmanager.ConnectionManager
timeStarted int64
onBlockAddedToDAGHandler OnBlockAddedToDAGHandler
onTransactionAddedToMempoolHandler OnTransactionAddedToMempoolHandler
transactionsToRebroadcastLock sync.Mutex
transactionsToRebroadcast map[externalapi.DomainTransactionID]*externalapi.DomainTransaction
lastRebroadcastTime time.Time
sharedRequestedTransactions *transactionrelay.SharedRequestedTransactions
sharedRequestedBlocks *blockrelay.SharedRequestedBlocks
ibdPeer *peerpkg.Peer
ibdPeerMutex sync.RWMutex
peers map[id.ID]*peerpkg.Peer
peersMutex sync.RWMutex
orphans map[externalapi.DomainHash]*externalapi.DomainBlock
orphansMutex sync.RWMutex
}
// New returns a new instance of FlowContext.
func New(cfg *config.Config, domain domain.Domain, addressManager *addressmanager.AddressManager,
netAdapter *netadapter.NetAdapter, connectionManager *connmanager.ConnectionManager) *FlowContext {
return &FlowContext{
cfg: cfg,
netAdapter: netAdapter,
domain: domain,
addressManager: addressManager,
connectionManager: connectionManager,
sharedRequestedTransactions: transactionrelay.NewSharedRequestedTransactions(),
sharedRequestedBlocks: blockrelay.NewSharedRequestedBlocks(),
peers: make(map[id.ID]*peerpkg.Peer),
transactionsToRebroadcast: make(map[externalapi.DomainTransactionID]*externalapi.DomainTransaction),
orphans: make(map[externalapi.DomainHash]*externalapi.DomainBlock),
timeStarted: mstime.Now().UnixMilliseconds(),
}
}
// SetOnBlockAddedToDAGHandler sets the onBlockAddedToDAG handler
func (f *FlowContext) SetOnBlockAddedToDAGHandler(onBlockAddedToDAGHandler OnBlockAddedToDAGHandler) {
f.onBlockAddedToDAGHandler = onBlockAddedToDAGHandler
}
// SetOnTransactionAddedToMempoolHandler sets the onTransactionAddedToMempool handler
func (f *FlowContext) SetOnTransactionAddedToMempoolHandler(onTransactionAddedToMempoolHandler OnTransactionAddedToMempoolHandler) {
f.onTransactionAddedToMempoolHandler = onTransactionAddedToMempoolHandler
}