Merge pull request #10 from qtumproject/time/path_electrum

Update qtum electrum path

src/handler/get_extended_pubkey.c

@@ -33,10 +33,10 @@ static bool is_path_safe_for_pubkey_export(const uint32_t bip32_path[],
                                            size_t bip32_path_len,
                                            const uint32_t coin_types[],
                                            size_t coin_types_length) {
-    // Exception for Electrum: it historically used "m/4541509h/1112098098h"
+    // Exception for Qtum Electrum: it historically used "m/44h/88h/4541509h/1112098098h"
     // to derive encryption keys, so we whitelist it.
-    if (bip32_path_len == 2 && bip32_path[0] == (4541509 ^ H) &&
-        bip32_path[1] == (1112098098 ^ H)) {
+    if (bip32_path_len == 4 && bip32_path[0] == (44 ^ H) && bip32_path[1] == (88 ^ H) &&
+        bip32_path[2] == (4541509 ^ H) && bip32_path[3] == (1112098098 ^ H)) {
         return true;
     } else if (bip32_path_len == 2 && bip32_path[0] == (0 ^ H) && bip32_path[1] == (45342 ^ H)) {
         // Exception for "m/0h/45342h"