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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"io"
"net/http"
"github.com/gorilla/mux"
"github.com/algorand/go-algorand/data/transactions/logic"
"github.com/algorand/go-algorand/protocol"
)
// RemoteHookAdapter provides HTTP transport for WebDebugger
type RemoteHookAdapter struct {
debugger *Debugger
}
// MakeRemoteHook creates new RemoteHookAdapter
func MakeRemoteHook(debugger *Debugger) *RemoteHookAdapter {
r := new(RemoteHookAdapter)
r.debugger = debugger
return r
}
// Setup adds HTTP handlers for remote WebDebugger
func (rha *RemoteHookAdapter) Setup(router *mux.Router) {
router.HandleFunc("/exec/register", rha.registerHandler).Methods("POST")
router.HandleFunc("/exec/update", rha.updateHandler).Methods("POST")
router.HandleFunc("/exec/complete", rha.completeHandler).Methods("POST")
}
func (rha *RemoteHookAdapter) decodeState(body io.Reader) (state logic.DebugState, err error) {
dec := protocol.NewJSONDecoder(body)
err = dec.Decode(&state)
return
}
func (rha *RemoteHookAdapter) registerHandler(w http.ResponseWriter, r *http.Request) {
state, err := rha.decodeState(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
// Register, and wait for user to acknowledge registration
rha.debugger.Register(&state)
// Proceed!
w.WriteHeader(http.StatusOK)
return
}
func (rha *RemoteHookAdapter) updateHandler(w http.ResponseWriter, r *http.Request) {
state, err := rha.decodeState(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
// Ask debugger to process and wait to continue
err = rha.debugger.update(&state)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
w.WriteHeader(http.StatusOK)
return
}
func (rha *RemoteHookAdapter) completeHandler(w http.ResponseWriter, r *http.Request) {
state, err := rha.decodeState(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
// Ask debugger to process and wait to continue
err = rha.debugger.complete(&state)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
// Proceed!
w.WriteHeader(http.StatusOK)
return
}
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