simplewallet: enable donation on testnet/stagenet for easier testing

src/simplewallet/simplewallet.cpp

@@ -5942,12 +5942,6 @@ bool simple_wallet::sweep_below(const std::vector<std::string> &args_)
 //----------------------------------------------------------------------------------------------------
 bool simple_wallet::donate(const std::vector<std::string> &args_)
 {
-  if(m_wallet->nettype() != cryptonote::MAINNET)
-  {
-    fail_msg_writer() << tr("donations are not enabled on the testnet or on the stagenet");
-    return true;
-  }
-
   std::vector<std::string> local_args = args_;
   if(local_args.empty() || local_args.size() > 5)
   {
@@ -5969,11 +5963,30 @@ bool simple_wallet::donate(const std::vector<std::string> &args_)
   amount_str = local_args.back();
   local_args.pop_back();
   // push back address, amount, payment id
-  local_args.push_back(MONERO_DONATION_ADDR);
+  std::string address_str;
+  if (m_wallet->nettype() != cryptonote::MAINNET)
+  {
+    // if not mainnet, convert donation address string to the relevant network type
+    address_parse_info info;
+    if (!cryptonote::get_account_address_from_str(info, cryptonote::MAINNET, MONERO_DONATION_ADDR))
+    {
+      fail_msg_writer() << tr("Failed to parse donation address: ") << MONERO_DONATION_ADDR;
+      return true;
+    }
+    address_str = cryptonote::get_account_address_as_str(m_wallet->nettype(), info.is_subaddress, info.address);
+  }
+  else
+  {
+    address_str = MONERO_DONATION_ADDR;
+  }
+  local_args.push_back(address_str);
   local_args.push_back(amount_str);
   if (!payment_id_str.empty())
     local_args.push_back(payment_id_str);
-  message_writer() << (boost::format(tr("Donating %s %s to The Monero Project (donate.getmonero.org or %s).")) % amount_str % cryptonote::get_unit(cryptonote::get_default_decimal_point()) % MONERO_DONATION_ADDR).str();
+  if (m_wallet->nettype() == cryptonote::MAINNET)
+    message_writer() << (boost::format(tr("Donating %s %s to The Monero Project (donate.getmonero.org or %s).")) % amount_str % cryptonote::get_unit(cryptonote::get_default_decimal_point()) % MONERO_DONATION_ADDR).str();
+  else
+    message_writer() << (boost::format(tr("Donating %s %s to %s.")) % amount_str % cryptonote::get_unit(cryptonote::get_default_decimal_point()) % address_str).str();
   transfer(local_args);
   return true;
 }