mirror of
https://github.com/kaspanet/kaspad.git
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281944762d
* [NOD-1500] Added Domain type and Constructor
* [NOD-1500] Replaced dag+txpool with domain in flowContext
* [NOD-1500] Replaced dag+txpool with domain in flowContext
* [NOD-1500] Converters: domain objects from/to appmessage
* [NOD-1500] Convert hashes to DomainHashes in appmessages
* [NOD-1500] Remove references to daghash in dagconfig
* [NOD-1500] Fixed all appmessage usages of hashes
* [NOD-1500] Update all RPC to use domain
* [NOD-1500] Big chunk of protocol flows re-wired to domain
* [NOD-1500] Finished re-wiring all protocol flows to new Domain
* [NOD-1500] Fix some mempool and kaspaminer compilation errors
* [NOD-1500] Deleted util/{block,tx,daghash} and dbaccess
* [NOD-1500] util.CoinbaseTransactionIndex -> transactionhelper.CoinbaseTransactionIndex
* [NOD-1500] Fix txsigner
* [NOD-1500] Removed all references to util/subnetworkid
* [NOD-1500] Update RpcGetBlock related messages
* [NOD-1500] Many more compilation fixes
* [NOD-1500] Return full list of missing blocks for orphan resolution
* [NOD-1500] Fixed handshake
* [NOD-1500] Fixed flowcontext compilation
* [NOD-1500] Update users of StartIBDIfRequired to handle error
* [NOD-1500] Removed some more fields from RPC
* [NOD-1500] Fix the getBlockTemplate flow
* [NOD-1500] Fix HandleGetCurrentNetwork
* [NOD-1500] Remove redundant code
* [NOD-1500] Remove obsolete notifications
* [NOD-1500] Split MiningManager and Consensus to separate fields in Domain
* [NOD-1500] Update two wrong references to location of txscript
* [NOD-1500] Added comments
* [NOD-1500] Fix some tests
* [NOD-1500] Removed serialization logic from appmessage
* [NOD-1500] Rename database/serialization/messages.proto to dbobjects.proto
* [NOD-1500] Delete integration tests
* [NOD-1500] Remove txsort
* [NOD-1500] Fix tiny bug
* [NOD-1500] Remove rogue dependancy on bchd
* [NOD-1500] Some stylistic fixes
79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
package selectedtip
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import (
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"github.com/kaspanet/kaspad/app/appmessage"
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"github.com/kaspanet/kaspad/app/protocol/common"
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peerpkg "github.com/kaspanet/kaspad/app/protocol/peer"
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"github.com/kaspanet/kaspad/domain"
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
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)
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// RequestSelectedTipContext is the interface for the context needed for the RequestSelectedTip flow.
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type RequestSelectedTipContext interface {
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Domain() domain.Domain
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StartIBDIfRequired() error
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}
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type requestSelectedTipFlow struct {
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RequestSelectedTipContext
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incomingRoute, outgoingRoute *router.Route
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peer *peerpkg.Peer
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}
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// RequestSelectedTip waits for selected tip requests and handles them
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func RequestSelectedTip(context RequestSelectedTipContext, incomingRoute *router.Route,
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outgoingRoute *router.Route, peer *peerpkg.Peer) error {
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flow := &requestSelectedTipFlow{
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RequestSelectedTipContext: context,
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incomingRoute: incomingRoute,
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outgoingRoute: outgoingRoute,
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peer: peer,
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}
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return flow.start()
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}
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func (flow *requestSelectedTipFlow) start() error {
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for {
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err := flow.runSelectedTipRequest()
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if err != nil {
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return err
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}
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}
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}
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func (flow *requestSelectedTipFlow) runSelectedTipRequest() error {
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flow.peer.WaitForSelectedTipRequests()
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defer flow.peer.FinishRequestingSelectedTip()
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err := flow.requestSelectedTip()
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if err != nil {
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return err
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}
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peerSelectedTipHash, err := flow.receiveSelectedTip()
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if err != nil {
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return err
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}
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flow.peer.SetSelectedTipHash(peerSelectedTipHash)
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return flow.StartIBDIfRequired()
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}
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func (flow *requestSelectedTipFlow) requestSelectedTip() error {
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msgGetSelectedTip := appmessage.NewMsgRequestSelectedTip()
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return flow.outgoingRoute.Enqueue(msgGetSelectedTip)
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}
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func (flow *requestSelectedTipFlow) receiveSelectedTip() (selectedTipHash *externalapi.DomainHash, err error) {
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message, err := flow.incomingRoute.DequeueWithTimeout(common.DefaultTimeout)
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if err != nil {
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return nil, err
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}
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msgSelectedTip := message.(*appmessage.MsgSelectedTip)
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return msgSelectedTip.SelectedTipHash, nil
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}
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