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https://github.com/kaspanet/kaspad.git
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ae25ec2e6b
* [NOD-303] Implement get transaction by id for api server * [NOD-303] Make routeParamTxID a constant * [NOD-303] Change database is not current error. * [NOD-303] Add ID to TransactionInput and TransactionOutput models * [NOD-303] Change transactions_outputs table name to transaction_outputs and transactions_inputs to transaction_inputs * [NOD-303] Add json annotations to transaction response types * [NOD-303] Split server package * [NOD-303] Add GetTransactionByHashHandler * [NOD-303] Add comments to exported functions and variables * [NOD-303] Put response types in a separate file * [NOD-303] Rename functions
68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package server
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import (
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"encoding/json"
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"fmt"
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"github.com/daglabs/btcd/apiserver/controllers"
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"github.com/daglabs/btcd/apiserver/utils"
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"github.com/gorilla/mux"
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"net/http"
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)
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const (
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routeParamTxID = "txID"
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routeParamTxHash = "txHash"
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)
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func makeHandler(handler func(vars map[string]string, ctx *utils.APIServerContext) (interface{}, *utils.HandlerError)) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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ctx := utils.ToAPIServerContext(r.Context())
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response, hErr := handler(mux.Vars(r), ctx)
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if hErr != nil {
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sendErr(ctx, w, hErr)
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return
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}
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sendJSONResponse(w, response)
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}
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}
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func sendErr(ctx *utils.APIServerContext, w http.ResponseWriter, hErr *utils.HandlerError) {
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errMsg := fmt.Sprintf("got error: %s", hErr)
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ctx.Warnf(errMsg)
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w.WriteHeader(hErr.ErrorCode)
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sendJSONResponse(w, hErr)
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}
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func sendJSONResponse(w http.ResponseWriter, response interface{}) {
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b, err := json.Marshal(response)
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if err != nil {
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panic(err)
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}
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_, err = fmt.Fprintf(w, string(b))
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if err != nil {
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panic(err)
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}
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}
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func mainHandler(_ map[string]string, _ *utils.APIServerContext) (interface{}, *utils.HandlerError) {
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return "API server is running", nil
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}
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func addRoutes(router *mux.Router) {
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router.HandleFunc("/", makeHandler(mainHandler))
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router.HandleFunc(
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fmt.Sprintf("/transaction/id/{%s}", routeParamTxID),
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makeHandler(func(vars map[string]string, ctx *utils.APIServerContext) (interface{}, *utils.HandlerError) {
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return controllers.GetTransactionByIDHandler(vars[routeParamTxID])
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})).
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Methods("GET")
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router.HandleFunc(
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fmt.Sprintf("/transaction/hash/{%s}", routeParamTxHash),
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makeHandler(func(vars map[string]string, ctx *utils.APIServerContext) (interface{}, *utils.HandlerError) {
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return controllers.GetTransactionByHashHandler(vars[routeParamTxHash])
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})).
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Methods("GET")
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}
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