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https://github.com/kaspanet/kaspad.git
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4773f87875
* [NOD-1125] Write a skeleton for starting IBD. * [NOD-1125] Add WaitForIBDStart to Peer. * [NOD-1125] Move functions around. * [NOD-1125] Fix merge errors. * [NOD-1125] Fix a comment. * [NOD-1125] Implement sendGetBlockLocator. * [NOD-1125] Begin implementing findIBDLowHash. * [NOD-1125] Finish implementing findIBDLowHash. * [NOD-1125] Rename findIBDLowHash to findHighestSharedBlockHash. * [NOD-1125] Implement downloadBlocks. * [NOD-1125] Implement msgIBDBlock. * [NOD-1125] Implement msgIBDBlock. * [NOD-1125] Fix message types for HandleIBD. * [NOD-1125] Write a skeleton for requesting selected tip hashes. * [NOD-1125] Write a skeleton for the rest of the IBD requests. * [NOD-1125] Implement HandleGetBlockLocator. * [NOD-1125] Fix wrong timeout. * [NOD-1125] Fix compilation error. * [NOD-1125] Implement HandleGetBlocks. * [NOD-1125] Fix compilation errors. * [NOD-1125] Fix merge errors. * [NOD-1125] Implement selectPeerForIBD. * [NOD-1125] Implement RequestSelectedTip. * [NOD-1125] Implement HandleGetSelectedTip. * [NOD-1125] Make go lint happy. * [NOD-1125] Add minGetSelectedTipInterval. * [NOD-1125] Call StartIBDIfRequired where needed. * [NOD-1125] Fix merge errors. * [NOD-1125] Remove a redundant line. * [NOD-1125] Rename shouldContinue to shouldStop. * [NOD-1125] Lowercasify an error message. * [NOD-1125] Shuffle statements around in findHighestSharedBlockHash. * [NOD-1125] Rename hasRecentlyReceivedBlock to isDAGTimeCurrent. * [NOD-1125] Scope minGetSelectedTipInterval. * [NOD-1125] Handle an unhandled error. * [NOD-1125] Use AddUint32 instead of LoadUint32 + StoreUint32. * [NOD-1125] Use AddUint32 instead of LoadUint32 + StoreUint32. * [NOD-1125] Use SwapUint32 instead of AddUint32. * [NOD-1125] Remove error from requestSelectedTips. * [NOD-1125] Actually stop IBD when it should stop. * [NOD-1125] Actually stop RequestSelectedTip when it should stop. * [NOD-1125] Don't ban peers that send us delayed blocks during IBD. * [NOD-1125] Make unexpected message type messages nicer. * [NOD-1125] Remove Peer.ready and make HandleHandshake return it to guarantee we never operate on a non-initialized peer. * [NOD-1125] Remove errors associated with Peer.ready. * [NOD-1125] Extract maxHashesInMsgIBDBlocks to a const. * [NOD-1125] Move the ibd package into flows. * [NOD-1125] Start IBD if required after getting an unknown block inv. * [NOD-1125] Don't request blocks during relay if we're in the middle of IBD. * [NOD-1125] Remove AddBlockLocatorHash. * [NOD-1125] Extract runIBD to a seperate function. * [NOD-1125] Extract runSelectedTipRequest to a seperate function. * [NOD-1125] Remove EnqueueWithTimeout. * [NOD-1125] Increase the capacity of the outgoingRoute. * [NOD-1125] Fix some bad names. * [NOD-1125] Fix a comment. * [NOD-1125] Simplify a comment. * [NOD-1125] Move WaitFor... functions into their respective run... functions. * [NOD-1125] Return default values in case of error. * [NOD-1125] Use CmdXXX in error messages. * [NOD-1125] Use MaxInvPerMsg in outgoingRouteMaxMessages instead of MaxBlockLocatorsPerMsg. * [NOD-1125] Fix a comment. * [NOD-1125] Disconnect a peer that sends us a delayed block during IBD. * [NOD-1125] Use StoreUint32 instead of SwapUint32. * [NOD-1125] Add a comment. * [NOD-1125] Don't ban peers that send us delayed blocks.
68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
package handshake
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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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)
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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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// 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 := outgoingRoute.Enqueue(msg)
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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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