From 3aaa14278b5e7c08f07834836d5024d6adc23065 Mon Sep 17 00:00:00 2001
From: n4l5u0r <59141606+n4l5u0r@users.noreply.github.com>
Date: Wed, 11 Dec 2024 11:01:13 +0100
Subject: [PATCH] test: fuzz

---
 .github/workflows/cflite_pr.yml |  6 ++--
 fuzzing/fuzz_tx_parser.c        | 61 +++++++++++++++++++--------------
 2 files changed, 39 insertions(+), 28 deletions(-)

diff --git a/.github/workflows/cflite_pr.yml b/.github/workflows/cflite_pr.yml
index 8b185d05..618d0af5 100644
--- a/.github/workflows/cflite_pr.yml
+++ b/.github/workflows/cflite_pr.yml
@@ -1,9 +1,9 @@
 name: ClusterFuzzLite PR fuzzing
 on:
   workflow_dispatch:
-  # pull_request:
-  #   paths:
-  #     - '**'
+  pull_request:
+    paths:
+      - "**"
 permissions: read-all
 jobs:
   PR:
diff --git a/fuzzing/fuzz_tx_parser.c b/fuzzing/fuzz_tx_parser.c
index 2874b899..38518db9 100644
--- a/fuzzing/fuzz_tx_parser.c
+++ b/fuzzing/fuzz_tx_parser.c
@@ -2,38 +2,49 @@
 #include <stdint.h>
 #include <string.h>
 #include <sys/types.h>
-
-#include "transaction/deserialize.h"
-#include "transaction/utils.h"
-#include "transaction/types.h"
-#include "format.h"
-
-int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+#include "buffer.h"
+#include "signTransfer.h"
+
+#define ADDRESS_LEN 20
+void format_hex(const uint8_t* data, size_t dataLen, char* dst, size_t dstLen);
+void format_fpu64(char* dst, size_t dstLen, uint64_t value, uint8_t decimals);
+
+typedef enum {
+    PARSING_OK = 1,
+    MEMO_PARSING_ERROR = -1,
+    WRONG_LENGTH_ERROR = -7,
+    TYPE_PARSING_ERROR = -8,
+    SENDER_PARSING_ERROR = -9,
+    RECIPIENT_PARSING_ERROR = -10,
+    AMOUNT_PARSING_ERROR = -11,
+    PARSING_ERROR = -12
+} parser_status_e;
+
+// #include "transaction/deserialize.h"
+// #include "transaction/utils.h"
+// #include "transaction/types.h"
+// #include "format.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     buffer_t buf = {.ptr = data, .size = size, .offset = 0};
-    transaction_ctx_t tx;
+    signTransferContext_t tx;
     parser_status_e status;
-    char address[21] = {0};
-    char amount[21] = {0};
 
     memset(&tx, 0, sizeof(tx));
 
-    status = simple_transfer_deserialize(&buf, &tx);
+    volatile unsigned int flags = 0;
+    handleSignTransfer((uint8_t*) data, &flags);
+    status = (parser_status_e) flags;
 
     if (status == PARSING_OK) {
-        // Format recipient address
-        format_hex(tx.transaction.simple_transfer.recipient, ADDRESS_LEN, address, sizeof(address));
-        printf("recipient: %s\n", address);
-
-        // Format sender address
-        format_hex(tx.transaction.simple_transfer.sender, ADDRESS_LEN, address, sizeof(address));
-        printf("sender: %s\n", address);
-
-        // Format amount
-        format_fpu64(amount,
-                     sizeof(amount),
-                     tx.transaction.simple_transfer.value,
-                     3);  // exponent of smallest unit is 3
-        printf("amount: %s\n", amount);
+        // Print the display string which should contain formatted transaction info
+        printf("Display string: %s\n", tx.displayStr);
+
+        // Print the amount
+        printf("Display amount: %s\n", tx.displayAmount);
+
+        // Print the state
+        printf("State: %d\n", tx.state);
     }
 
     return 0;