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add "GetMempoolEntriesByAddresses" to kaspad RPC. (#2022)
* add "GetMempoolEntriesByAddresses" to kaspad RPC. * fmt formatting. * some things I forgot * update rpc.md * forgot to add handler * fix fmt * bug fix, implicat testing & error handling * address reveiw * address reveiw
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| package appmessage | ||
|
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| // MempoolEntryByAddress represents MempoolEntries associated with some address | ||
| type MempoolEntryByAddress struct { | ||
| Address string | ||
| Receiving []*MempoolEntry | ||
| Sending []*MempoolEntry | ||
| } | ||
|
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| // GetMempoolEntriesByAddressesRequestMessage is an appmessage corresponding to | ||
| // its respective RPC message | ||
| type GetMempoolEntriesByAddressesRequestMessage struct { | ||
| baseMessage | ||
| Addresses []string | ||
| } | ||
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| // Command returns the protocol command string for the message | ||
| func (msg *GetMempoolEntriesByAddressesRequestMessage) Command() MessageCommand { | ||
| return CmdGetMempoolEntriesByAddressesRequestMessage | ||
| } | ||
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| // NewGetMempoolEntriesByAddressesRequestMessage returns a instance of the message | ||
| func NewGetMempoolEntriesByAddressesRequestMessage(addresses []string) *GetMempoolEntriesByAddressesRequestMessage { | ||
| return &GetMempoolEntriesByAddressesRequestMessage{ | ||
| Addresses: addresses, | ||
| } | ||
| } | ||
|
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| // GetMempoolEntriesByAddressesResponseMessage is an appmessage corresponding to | ||
| // its respective RPC message | ||
| type GetMempoolEntriesByAddressesResponseMessage struct { | ||
| baseMessage | ||
| Entries []*MempoolEntryByAddress | ||
|
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| Error *RPCError | ||
| } | ||
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| // Command returns the protocol command string for the message | ||
| func (msg *GetMempoolEntriesByAddressesResponseMessage) Command() MessageCommand { | ||
| return CmdGetMempoolEntriesByAddressesResponseMessage | ||
| } | ||
|
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| // NewGetMempoolEntriesByAddressesResponseMessage returns a instance of the message | ||
| func NewGetMempoolEntriesByAddressesResponseMessage(entries []*MempoolEntryByAddress) *GetMempoolEntriesByAddressesResponseMessage { | ||
| return &GetMempoolEntriesByAddressesResponseMessage{ | ||
| Entries: entries, | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package rpchandlers | ||
|
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||
| import ( | ||
| "github.com/kaspanet/kaspad/app/appmessage" | ||
| "github.com/kaspanet/kaspad/app/rpc/rpccontext" | ||
| "github.com/kaspanet/kaspad/domain/consensus/utils/txscript" | ||
| "github.com/kaspanet/kaspad/infrastructure/network/netadapter/router" | ||
| "github.com/kaspanet/kaspad/util" | ||
| ) | ||
|
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| // HandleGetMempoolEntriesByAddresses handles the respectively named RPC command | ||
| func HandleGetMempoolEntriesByAddresses(context *rpccontext.Context, _ *router.Router, request appmessage.Message) (appmessage.Message, error) { | ||
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| transactions := context.Domain.MiningManager().AllTransactions() | ||
| getMempoolEntriesByAddressesRequest := request.(*appmessage.GetMempoolEntriesByAddressesRequestMessage) | ||
| mempoolEntriesByAddresses := make([]*appmessage.MempoolEntryByAddress, 0) | ||
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| for _, addressString := range getMempoolEntriesByAddressesRequest.Addresses { | ||
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| _, err := util.DecodeAddress(addressString, context.Config.ActiveNetParams.Prefix) | ||
| if err != nil { | ||
| errorMessage := &appmessage.GetUTXOsByAddressesResponseMessage{} | ||
| errorMessage.Error = appmessage.RPCErrorf("Could not decode address '%s': %s", addressString, err) | ||
| return errorMessage, nil | ||
| } | ||
|
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| sending := make([]*appmessage.MempoolEntry, 0) | ||
| receiving := make([]*appmessage.MempoolEntry, 0) | ||
|
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| for _, transaction := range transactions { | ||
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| for _, input := range transaction.Inputs { | ||
| _, transactionSendingAddress, err := txscript.ExtractScriptPubKeyAddress( | ||
| input.UTXOEntry.ScriptPublicKey(), | ||
| context.Config.ActiveNetParams) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if addressString == transactionSendingAddress.String() { | ||
| rpcTransaction := appmessage.DomainTransactionToRPCTransaction(transaction) | ||
| sending = append( | ||
| sending, | ||
| &appmessage.MempoolEntry{ | ||
| Fee: transaction.Fee, | ||
| Transaction: rpcTransaction, | ||
| }, | ||
| ) | ||
| break //one input is enough | ||
| } | ||
| } | ||
|
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| for _, output := range transaction.Outputs { | ||
| _, transactionReceivingAddress, err := txscript.ExtractScriptPubKeyAddress( | ||
| output.ScriptPublicKey, | ||
| context.Config.ActiveNetParams, | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if addressString == transactionReceivingAddress.String() { | ||
| rpcTransaction := appmessage.DomainTransactionToRPCTransaction(transaction) | ||
| receiving = append( | ||
| receiving, | ||
| &appmessage.MempoolEntry{ | ||
| Fee: transaction.Fee, | ||
| Transaction: rpcTransaction, | ||
| }, | ||
| ) | ||
| break //one output is enough | ||
| } | ||
| } | ||
|
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| //Only append mempoolEntriesByAddress, if at least 1 mempoolEntry for the address is found. | ||
| //This mimics the behaviour of GetUtxosByAddresses RPC call. | ||
| if len(sending) > 0 || len(receiving) > 0 { | ||
| mempoolEntriesByAddresses = append( | ||
| mempoolEntriesByAddresses, | ||
| &appmessage.MempoolEntryByAddress{ | ||
| Address: addressString, | ||
| Sending: sending, | ||
| Receiving: receiving, | ||
| }, | ||
| ) | ||
| } | ||
|
|
||
| } | ||
| } | ||
|
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| return appmessage.NewGetMempoolEntriesByAddressesResponseMessage(mempoolEntriesByAddresses), nil | ||
| } |
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