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8735da045f
* Block template cache improvement * Avoid concurrent calls to template builder * Clear cache on new block event * Move IsNearlySynced logic to within consensus and cache it for each template * Use a single consensus call for building template and checking synced Co-authored-by: msutton <mikisiton2@gmail.com>
47 lines
2.0 KiB
Go
47 lines
2.0 KiB
Go
package rpchandlers
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import (
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"github.com/kaspanet/kaspad/app/appmessage"
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"github.com/kaspanet/kaspad/app/rpc/rpccontext"
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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"github.com/kaspanet/kaspad/domain/consensus/utils/transactionhelper"
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"github.com/kaspanet/kaspad/domain/consensus/utils/txscript"
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"github.com/kaspanet/kaspad/infrastructure/network/netadapter/router"
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"github.com/kaspanet/kaspad/util"
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"github.com/kaspanet/kaspad/version"
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)
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// HandleGetBlockTemplate handles the respectively named RPC command
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func HandleGetBlockTemplate(context *rpccontext.Context, _ *router.Router, request appmessage.Message) (appmessage.Message, error) {
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getBlockTemplateRequest := request.(*appmessage.GetBlockTemplateRequestMessage)
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payAddress, err := util.DecodeAddress(getBlockTemplateRequest.PayAddress, context.Config.ActiveNetParams.Prefix)
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if err != nil {
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errorMessage := &appmessage.GetBlockTemplateResponseMessage{}
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errorMessage.Error = appmessage.RPCErrorf("Could not decode address: %s", err)
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return errorMessage, nil
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}
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scriptPublicKey, err := txscript.PayToAddrScript(payAddress)
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if err != nil {
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return nil, err
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}
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coinbaseData := &externalapi.DomainCoinbaseData{ScriptPublicKey: scriptPublicKey, ExtraData: []byte(version.Version() + "/" + getBlockTemplateRequest.ExtraData)}
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templateBlock, isNearlySynced, err := context.Domain.MiningManager().GetBlockTemplate(coinbaseData)
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if err != nil {
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return nil, err
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}
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if uint64(len(templateBlock.Transactions[transactionhelper.CoinbaseTransactionIndex].Payload)) > context.Config.NetParams().MaxCoinbasePayloadLength {
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errorMessage := &appmessage.GetBlockTemplateResponseMessage{}
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errorMessage.Error = appmessage.RPCErrorf("Coinbase payload is above max length (%d). Try to shorten the extra data.", context.Config.NetParams().MaxCoinbasePayloadLength)
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return errorMessage, nil
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}
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rpcBlock := appmessage.DomainBlockToRPCBlock(templateBlock)
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return appmessage.NewGetBlockTemplateResponseMessage(rpcBlock, context.ProtocolManager.Context().HasPeers() && isNearlySynced), nil
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}
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