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95c8b8e9d8
* [NOD-1023] Rename BlockDAG.isCurrent to isSynced. * [NOD-1023] Rename SyncManager.current to synced. * [NOD-1023] Fix comments.
55 lines
1.8 KiB
Go
55 lines
1.8 KiB
Go
package p2p
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import (
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"github.com/kaspanet/kaspad/addrmgr"
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"github.com/kaspanet/kaspad/config"
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"github.com/kaspanet/kaspad/peer"
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"github.com/kaspanet/kaspad/wire"
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)
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// OnVersion is invoked when a peer receives a version kaspa message
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// and is used to negotiate the protocol version details as well as kick start
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// the communications.
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func (sp *Peer) OnVersion(_ *peer.Peer, msg *wire.MsgVersion) {
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// Choose whether or not to relay transactions before a filter command
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// is received.
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sp.setDisableRelayTx(msg.DisableRelayTx)
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// Update the address manager and request known addresses from the
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// remote peer for outbound connections. This is skipped when running
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// on the simulation test network since it is only intended to connect
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// to specified peers and actively avoids advertising and connecting to
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// discovered peers.
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if !config.ActiveConfig().Simnet {
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addrManager := sp.server.addrManager
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// Outbound connections.
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if !sp.Inbound() {
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// TODO(davec): Only do this if not doing the initial block
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// download and the local address is routable.
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if !config.ActiveConfig().DisableListen {
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// Get address that best matches.
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lna := addrManager.GetBestLocalAddress(sp.NA())
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if addrmgr.IsRoutable(lna) {
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// Filter addresses the peer already knows about.
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addresses := []*wire.NetAddress{lna}
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sp.pushAddrMsg(addresses, sp.SubnetworkID())
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}
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}
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// Request known addresses if the server address manager needs
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// more.
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if addrManager.NeedMoreAddresses() {
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sp.QueueMessage(wire.NewMsgGetAddr(false, sp.SubnetworkID()), nil)
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if sp.SubnetworkID() != nil {
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sp.QueueMessage(wire.NewMsgGetAddr(false, nil), nil)
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}
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}
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// Mark the address as a known good address.
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addrManager.Good(sp.NA(), msg.SubnetworkID)
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}
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}
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}
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