From 1d892ec88122be46fe7592cfd1cd60e5b3adfa68 Mon Sep 17 00:00:00 2001
From: selsta <selsta@sent.at>
Date: Fri, 7 Dec 2018 13:37:23 +0100
Subject: simplewallet: donate command validate amount

---
 src/simplewallet/simplewallet.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'src/simplewallet')

diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index bcf6acbd5..7e974bc50 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -5970,8 +5970,18 @@ bool simple_wallet::donate(const std::vector<std::string> &args_)
     local_args.pop_back();
   }
   // get amount and pop
-  amount_str = local_args.back();
-  local_args.pop_back();
+  uint64_t amount;
+  bool ok = cryptonote::parse_amount(amount, local_args.back());
+  if (ok && amount != 0)
+  {
+    amount_str = local_args.back();
+    local_args.pop_back();
+  }
+  else
+  { 
+    fail_msg_writer() << tr("amount is wrong: ") << local_args.back() << ", " << tr("expected number from 0 to ") << print_money(std::numeric_limits<uint64_t>::max());
+    return true;
+  }
   // push back address, amount, payment id
   local_args.push_back(MONERO_DONATION_ADDR);
   local_args.push_back(amount_str);
-- 
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