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https://github.com/kaspanet/kaspad.git
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9939671ccc
* [NOD-1147] Implement address exchange * [NOD-1147] Put placeholder for source address * [NOD-1147] Fix tests * [NOD-1147] Add comment * [NOD-1147] Remove needAddresses from MsgGetAddr * [NOD-1147] Use rand.Shuffle * [NOD-1147] Remove redundant const * [NOD-1147] Move defer to its correct place * [NOD-1147] Fix typo * [NOD-1147] Use EnqueueWithTimeout for outgoingRoute * [NOD-1147] Rename MsgGetAddr->MsgGetAddresses * [NOD-1147] Rename MsgGetAddr->MsgGetAddresses * [NOD-1147] Rename MsgAddr->MsgAddresses * [NOD-1147] Rename fakeSrcAddr->fakeSourceAddress * [NOD-1147] Remove redundant files * [NOD-1147] CmdAddr -> CmdAddress * [NOD-1147] Rename addr to address in protocol package
74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
package sendversion
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import (
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"github.com/kaspanet/kaspad/blockdag"
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"github.com/kaspanet/kaspad/config"
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"github.com/kaspanet/kaspad/netadapter"
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"github.com/kaspanet/kaspad/netadapter/router"
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"github.com/kaspanet/kaspad/version"
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"github.com/kaspanet/kaspad/wire"
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"time"
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)
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var (
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// userAgentName is the user agent name and is used to help identify
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// ourselves to other kaspa peers.
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userAgentName = "kaspad"
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// userAgentVersion is the user agent version and is used to help
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// identify ourselves to other kaspa peers.
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userAgentVersion = version.Version()
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// defaultServices describes the default services that are supported by
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// the server.
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defaultServices = wire.SFNodeNetwork | wire.SFNodeBloom | wire.SFNodeCF
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// defaultRequiredServices describes the default services that are
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// required to be supported by outbound peers.
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defaultRequiredServices = wire.SFNodeNetwork
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)
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const timeout = 30 * time.Second
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// SendVersion sends a version to a peer and waits for verack.
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func SendVersion(incomingRoute *router.Route, outgoingRoute *router.Route, netAdapter *netadapter.NetAdapter,
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dag *blockdag.BlockDAG) (routeClosed bool, err error) {
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selectedTipHash := dag.SelectedTipHash()
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subnetworkID := config.ActiveConfig().SubnetworkID
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// Version message.
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localAddress, err := netAdapter.GetBestLocalAddress()
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if err != nil {
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panic(err)
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}
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msg := wire.NewMsgVersion(localAddress, netAdapter.ID(), selectedTipHash, subnetworkID)
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msg.AddUserAgent(userAgentName, userAgentVersion, config.ActiveConfig().UserAgentComments...)
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// Advertise the services flag
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msg.Services = defaultServices
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// Advertise our max supported protocol version.
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msg.ProtocolVersion = wire.ProtocolVersion
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// Advertise if inv messages for transactions are desired.
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msg.DisableRelayTx = config.ActiveConfig().BlocksOnly
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isOpen, err := outgoingRoute.EnqueueWithTimeout(msg, timeout)
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if err != nil {
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return false, err
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}
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if !isOpen {
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return true, nil
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}
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_, isOpen, err = incomingRoute.DequeueWithTimeout(timeout)
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if err != nil {
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return false, err
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}
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if !isOpen {
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return true, nil
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}
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return false, nil
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}
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