mirror of
https://github.com/kaspanet/kaspad.git
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e5598c15a7
* add p2p v5 which is currently identical to v4 * set all internal imports to v5 * wip * set default version to 5 * protobuf gen for new ibd chain locator * wire for new ibd chain locator types * new ibd shared block algo -- only basic test passing * address the case where pruning points disagree, now both IBD tests pass * protobuf gen for new past diff request message * wire for new request past diff message * handle and flow for new request past diff message - logic unimplemented yet * implement ibd sync past diff of relay and selected tip * go fmt * remove unused methods * missed one err check * addressing simple comments * apply the traversal limit logic and sort headers * rename pastdiff -> anticone * apply Don't relay blocks in virtual anticone #1970 to v5 * go fmt * Fixed minor comments * Limit the number of chain negotiation restarts
60 lines
1.7 KiB
Go
60 lines
1.7 KiB
Go
package transactionrelay
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import (
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"github.com/kaspanet/kaspad/app/appmessage"
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"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
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)
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type handleRequestedTransactionsFlow struct {
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TransactionsRelayContext
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incomingRoute, outgoingRoute *router.Route
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}
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// HandleRequestedTransactions listens to appmessage.MsgRequestTransactions messages, responding with the requested
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// transactions if those are in the mempool.
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// Missing transactions would be ignored
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func HandleRequestedTransactions(context TransactionsRelayContext, incomingRoute *router.Route, outgoingRoute *router.Route) error {
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flow := &handleRequestedTransactionsFlow{
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TransactionsRelayContext: context,
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incomingRoute: incomingRoute,
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outgoingRoute: outgoingRoute,
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}
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return flow.start()
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}
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func (flow *handleRequestedTransactionsFlow) start() error {
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for {
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msgRequestTransactions, err := flow.readRequestTransactions()
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if err != nil {
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return err
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}
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for _, transactionID := range msgRequestTransactions.IDs {
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tx, ok := flow.Domain().MiningManager().GetTransaction(transactionID)
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if !ok {
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msgTransactionNotFound := appmessage.NewMsgTransactionNotFound(transactionID)
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err := flow.outgoingRoute.Enqueue(msgTransactionNotFound)
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if err != nil {
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return err
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}
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continue
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}
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err := flow.outgoingRoute.Enqueue(appmessage.DomainTransactionToMsgTx(tx))
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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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}
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func (flow *handleRequestedTransactionsFlow) readRequestTransactions() (*appmessage.MsgRequestTransactions, error) {
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msg, err := flow.incomingRoute.Dequeue()
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if err != nil {
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return nil, err
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}
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return msg.(*appmessage.MsgRequestTransactions), nil
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}
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