kaspad/app/protocol/flows/v3/blockrelay/block_locator.go
Ori Newman d2379608ad
P2P upgrade mechanism (#1921)
* Implement upgrade mechanism for p2p

* Remove dependencies from flowcontext to v3

* Add p2p v4

* Add Ready flow

* Remove copy paste code of v3

* Register SendAddresses flow at the top level

* Add option to set protocol version from CLI and add TestAddressExchangeV3V4

* Send ready message on minimal net adapter

* Rename defaultMaxProtocolVersion->maxAcceptableProtocolVersion
2022-01-09 09:59:45 +02:00

28 lines
1010 B
Go

package blockrelay
import (
"github.com/kaspanet/kaspad/app/appmessage"
"github.com/kaspanet/kaspad/app/protocol/common"
"github.com/kaspanet/kaspad/app/protocol/protocolerrors"
"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
)
func (flow *handleRelayInvsFlow) sendGetBlockLocator(highHash *externalapi.DomainHash, limit uint32) error {
msgGetBlockLocator := appmessage.NewMsgRequestBlockLocator(highHash, limit)
return flow.outgoingRoute.Enqueue(msgGetBlockLocator)
}
func (flow *handleRelayInvsFlow) receiveBlockLocator() (blockLocatorHashes []*externalapi.DomainHash, err error) {
message, err := flow.dequeueIncomingMessageAndSkipInvs(common.DefaultTimeout)
if err != nil {
return nil, err
}
msgBlockLocator, ok := message.(*appmessage.MsgBlockLocator)
if !ok {
return nil,
protocolerrors.Errorf(true, "received unexpected message type. "+
"expected: %s, got: %s", appmessage.CmdBlockLocator, message.Command())
}
return msgBlockLocator.BlockLocatorHashes, nil
}