From 0e35cecb56bce2f5ce071b0d18347d592a40d126 Mon Sep 17 00:00:00 2001
From: Kennedy Izuegbu <kennedyizuegbu@yahoo.com>
Date: Mon, 18 Nov 2024 11:10:36 +0100
Subject: [PATCH] Revert "automatically create instant.json if it doesn't exist
 (#681)" (#703)

This reverts commit d5a6cac13d888f4c73af7b910f934f36b938dfbe.
---
 libwallet/instantswap/instantswap.go | 64 ++--------------------------
 1 file changed, 3 insertions(+), 61 deletions(-)

diff --git a/libwallet/instantswap/instantswap.go b/libwallet/instantswap/instantswap.go
index 3b34b02a7..11626ed0f 100644
--- a/libwallet/instantswap/instantswap.go
+++ b/libwallet/instantswap/instantswap.go
@@ -2,11 +2,9 @@ package instantswap
 
 import (
 	"context"
+	_ "embed"
 	"encoding/json"
 	"fmt"
-	"io"
-	"os"
-	"path/filepath"
 	"strings"
 	"sync"
 	"time"
@@ -26,6 +24,7 @@ import (
 	_ "github.com/crypto-power/instantswap/instantswap/exchange/trocador"
 )
 
+//go:embed instant.json
 var instants []byte
 var privKeyMap = map[Server]string{
 	Trocador:  "",
@@ -34,21 +33,9 @@ var privKeyMap = map[Server]string{
 }
 
 func init() {
-	// Call checkAndCreateInstantJSON to ensure instant.json is available
-	if err := checkAndCreateInstantJSON(); err != nil {
-		panic(errors.Errorf("Error setting up instant.json: %s", err.Error()))
-	}
-
-	// Load the instant.json content into the instants variable
-	instantFilePath := getFilePath("instant.json") // Ensure correct path is used for reading
-	instants, err := os.ReadFile(instantFilePath)
-	if err != nil {
-		panic(errors.Errorf("Error reading instant.json: %s", err.Error()))
-	}
-
 	// init private key map and ensure only supported exchange is filled
 	var newPrivKeyMap = make(map[Server]string)
-	err = json.Unmarshal(instants, &newPrivKeyMap)
+	err := json.Unmarshal(instants, &newPrivKeyMap)
 	if err != nil {
 		panic(err)
 	}
@@ -68,51 +55,6 @@ func init() {
 	privKeyMap[FlypMe] = ""
 }
 
-// checkAndCreateInstantJSON checks if instant.json exists, and if not, copies instant_example.json to instant.json.
-func checkAndCreateInstantJSON() error {
-	exampleFile := getFilePath("instant_example.json")
-	instantFile := getFilePath("instant.json")
-
-	// Check if instant.json exists
-	if _, err := os.Stat(instantFile); os.IsNotExist(err) {
-		// If instant.json doesn't exist, copy from instant_example.json
-		err := copyFile(exampleFile, instantFile)
-		if err != nil {
-			return errors.Errorf("failed to copy %s to %s: %s", exampleFile, instantFile, err.Error())
-		}
-		fmt.Println("instant.json created from instant_example.json")
-	} else if err != nil {
-		return errors.Errorf("failed to check if %s exists: %s", instantFile, err.Error())
-	}
-
-	return nil
-}
-
-// copyFile copies a file from src to dst.
-func copyFile(src, dst string) error {
-	sourceFile, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-	defer sourceFile.Close()
-
-	destFile, err := os.Create(dst)
-	if err != nil {
-		return err
-	}
-	defer destFile.Close()
-
-	_, err = io.Copy(destFile, sourceFile)
-	return err
-}
-
-// getFilePath constructs the file path relative to the current directory.
-func getFilePath(fileName string) string {
-	basePath, _ := os.Getwd() // Get current working directory
-	filePath := filepath.Join(basePath, "libwallet", "instantswap", fileName)
-	return filePath
-}
-
 func GetInstantExchangePrivKey(server Server) (string, bool) {
 	key, ok := privKeyMap[server]
 	return key, ok