kaspad/app/protocol/flows/addressexchange/receiveaddresses.go
stasatdaglabs d835f72e74
Make AddressManager persistent (#1525)
* Move existing address/bannedAddress functionality to a new addressStore object.

* Implement TestAddressManager.

* Implement serializeAddressKey and deserializeAddressKey.

* Implement serializeNetAddress and deserializeNetAddress.

* Store addresses and banned addresses to disk.

* Implement restoreNotBannedAddresses.

* Fix bannedDatabaseKey.

* Implement restoreBannedAddresses.

* Implement TestRestoreAddressManager.

* Defer closing the database in TestRestoreAddressManager.

* Defer closing the database in TestRestoreAddressManager.

* Add a log.

* Return errors where appropriate.

Co-authored-by: Elichai Turkel <elichai.turkel@gmail.com>
2021-02-14 19:08:06 +02:00

40 lines
1.3 KiB
Go

package addressexchange
import (
"github.com/kaspanet/kaspad/app/appmessage"
"github.com/kaspanet/kaspad/app/protocol/common"
peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
"github.com/kaspanet/kaspad/infrastructure/network/addressmanager"
"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
)
// ReceiveAddressesContext is the interface for the context needed for the ReceiveAddresses flow.
type ReceiveAddressesContext interface {
AddressManager() *addressmanager.AddressManager
}
// ReceiveAddresses asks a peer for more addresses if needed.
func ReceiveAddresses(context ReceiveAddressesContext, incomingRoute *router.Route, outgoingRoute *router.Route,
peer *peerpkg.Peer) error {
subnetworkID := peer.SubnetworkID()
msgGetAddresses := appmessage.NewMsgRequestAddresses(false, subnetworkID)
err := outgoingRoute.Enqueue(msgGetAddresses)
if err != nil {
return err
}
message, err := incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
if err != nil {
return err
}
msgAddresses := message.(*appmessage.MsgAddresses)
if len(msgAddresses.AddressList) > addressmanager.GetAddressesMax {
return protocolerrors.Errorf(true, "address count exceeded %d", addressmanager.GetAddressesMax)
}
return context.AddressManager().AddAddresses(msgAddresses.AddressList...)
}