forked from kaspanet/kaspad
/
manager.go
238 lines (197 loc) · 7.67 KB
/
manager.go
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package rpc
import (
"github.com/Hoosat-Oy/HTND/app/appmessage"
"github.com/Hoosat-Oy/HTND/app/protocol"
"github.com/Hoosat-Oy/HTND/app/rpc/rpccontext"
"github.com/Hoosat-Oy/HTND/domain"
"github.com/Hoosat-Oy/HTND/domain/consensus/model/externalapi"
"github.com/Hoosat-Oy/HTND/domain/utxoindex"
"github.com/Hoosat-Oy/HTND/infrastructure/config"
"github.com/Hoosat-Oy/HTND/infrastructure/logger"
"github.com/Hoosat-Oy/HTND/infrastructure/network/addressmanager"
"github.com/Hoosat-Oy/HTND/infrastructure/network/connmanager"
"github.com/Hoosat-Oy/HTND/infrastructure/network/netadapter"
"github.com/pkg/errors"
)
// Manager is an RPC manager
type Manager struct {
context *rpccontext.Context
}
// NewManager creates a new RPC Manager
func NewManager(
cfg *config.Config,
domain domain.Domain,
netAdapter *netadapter.NetAdapter,
protocolManager *protocol.Manager,
connectionManager *connmanager.ConnectionManager,
addressManager *addressmanager.AddressManager,
utxoIndex *utxoindex.UTXOIndex,
consensusEventsChan chan externalapi.ConsensusEvent,
shutDownChan chan<- struct{}) *Manager {
manager := Manager{
context: rpccontext.NewContext(
cfg,
domain,
netAdapter,
protocolManager,
connectionManager,
addressManager,
utxoIndex,
shutDownChan,
),
}
netAdapter.SetRPCRouterInitializer(manager.routerInitializer)
manager.initConsensusEventsHandler(consensusEventsChan)
return &manager
}
func (m *Manager) initConsensusEventsHandler(consensusEventsChan chan externalapi.ConsensusEvent) {
spawn("consensusEventsHandler", func() {
for {
consensusEvent, ok := <-consensusEventsChan
if !ok {
return
}
switch event := consensusEvent.(type) {
case *externalapi.VirtualChangeSet:
err := m.notifyVirtualChange(event)
if err != nil {
panic(err)
}
case *externalapi.BlockAdded:
err := m.notifyBlockAddedToDAG(event.Block)
if err != nil {
panic(err)
}
default:
panic(errors.Errorf("Got event of unsupported type %T", consensusEvent))
}
}
})
}
// notifyBlockAddedToDAG notifies the manager that a block has been added to the DAG
func (m *Manager) notifyBlockAddedToDAG(block *externalapi.DomainBlock) error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.notifyBlockAddedToDAG")
defer onEnd()
// Before converting the block and populating it, we check if any listeners are interested.
// This is done since most nodes do not use this event.
if !m.context.NotificationManager.HasBlockAddedListeners() {
return nil
}
rpcBlock := appmessage.DomainBlockToRPCBlock(block)
err := m.context.PopulateBlockWithVerboseData(rpcBlock, block.Header, block, true)
if err != nil {
return err
}
blockAddedNotification := appmessage.NewBlockAddedNotificationMessage(rpcBlock)
err = m.context.NotificationManager.NotifyBlockAdded(blockAddedNotification)
if err != nil {
return err
}
return nil
}
// notifyVirtualChange notifies the manager that the virtual block has been changed.
func (m *Manager) notifyVirtualChange(virtualChangeSet *externalapi.VirtualChangeSet) error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyVirtualChange")
defer onEnd()
if m.context.Config.UTXOIndex && virtualChangeSet.VirtualUTXODiff != nil {
err := m.notifyUTXOsChanged(virtualChangeSet)
if err != nil {
return err
}
}
err := m.notifyVirtualSelectedParentBlueScoreChanged(virtualChangeSet.VirtualSelectedParentBlueScore)
if err != nil {
return err
}
err = m.notifyVirtualDaaScoreChanged(virtualChangeSet.VirtualDAAScore)
if err != nil {
return err
}
if virtualChangeSet.VirtualSelectedParentChainChanges == nil ||
(len(virtualChangeSet.VirtualSelectedParentChainChanges.Added) == 0 &&
len(virtualChangeSet.VirtualSelectedParentChainChanges.Removed) == 0) {
return nil
}
err = m.notifyVirtualSelectedParentChainChanged(virtualChangeSet)
if err != nil {
return err
}
return nil
}
// NotifyNewBlockTemplate notifies the manager that a new
// block template is available for miners
func (m *Manager) NotifyNewBlockTemplate() error {
notification := appmessage.NewNewBlockTemplateNotificationMessage()
return m.context.NotificationManager.NotifyNewBlockTemplate(notification)
}
// NotifyPruningPointUTXOSetOverride notifies the manager whenever the UTXO index
// resets due to pruning point change via IBD.
func (m *Manager) NotifyPruningPointUTXOSetOverride() error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyPruningPointUTXOSetOverride")
defer onEnd()
if m.context.Config.UTXOIndex {
err := m.notifyPruningPointUTXOSetOverride()
if err != nil {
return err
}
}
return nil
}
// NotifyFinalityConflict notifies the manager that there's a finality conflict in the DAG
func (m *Manager) NotifyFinalityConflict(violatingBlockHash string) error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyFinalityConflict")
defer onEnd()
notification := appmessage.NewFinalityConflictNotificationMessage(violatingBlockHash)
return m.context.NotificationManager.NotifyFinalityConflict(notification)
}
// NotifyFinalityConflictResolved notifies the manager that a finality conflict in the DAG has been resolved
func (m *Manager) NotifyFinalityConflictResolved(finalityBlockHash string) error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyFinalityConflictResolved")
defer onEnd()
notification := appmessage.NewFinalityConflictResolvedNotificationMessage(finalityBlockHash)
return m.context.NotificationManager.NotifyFinalityConflictResolved(notification)
}
func (m *Manager) notifyUTXOsChanged(virtualChangeSet *externalapi.VirtualChangeSet) error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyUTXOsChanged")
defer onEnd()
utxoIndexChanges, err := m.context.UTXOIndex.Update(virtualChangeSet)
if err != nil {
return err
}
return m.context.NotificationManager.NotifyUTXOsChanged(utxoIndexChanges)
}
func (m *Manager) notifyPruningPointUTXOSetOverride() error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.notifyPruningPointUTXOSetOverride")
defer onEnd()
err := m.context.UTXOIndex.Reset()
if err != nil {
return err
}
return m.context.NotificationManager.NotifyPruningPointUTXOSetOverride()
}
func (m *Manager) notifyVirtualSelectedParentBlueScoreChanged(virtualSelectedParentBlueScore uint64) error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyVirtualSelectedParentBlueScoreChanged")
defer onEnd()
notification := appmessage.NewVirtualSelectedParentBlueScoreChangedNotificationMessage(virtualSelectedParentBlueScore)
return m.context.NotificationManager.NotifyVirtualSelectedParentBlueScoreChanged(notification)
}
func (m *Manager) notifyVirtualDaaScoreChanged(virtualDAAScore uint64) error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyVirtualDaaScoreChanged")
defer onEnd()
notification := appmessage.NewVirtualDaaScoreChangedNotificationMessage(virtualDAAScore)
return m.context.NotificationManager.NotifyVirtualDaaScoreChanged(notification)
}
func (m *Manager) notifyVirtualSelectedParentChainChanged(virtualChangeSet *externalapi.VirtualChangeSet) error {
onEnd := logger.LogAndMeasureExecutionTime(log, "RPCManager.NotifyVirtualSelectedParentChainChanged")
defer onEnd()
hasListeners, includeAcceptedTransactionIDs := m.context.NotificationManager.HasListenersThatPropagateVirtualSelectedParentChainChanged()
if hasListeners {
notification, err := m.context.ConvertVirtualSelectedParentChainChangesToChainChangedNotificationMessage(
virtualChangeSet.VirtualSelectedParentChainChanges, includeAcceptedTransactionIDs)
if err != nil {
return err
}
return m.context.NotificationManager.NotifyVirtualSelectedParentChainChanged(notification)
}
return nil
}