wildkeccak: increase scratchpad buffer size + proxy

crypto/wildkeccak.h

@@ -1,5 +1,5 @@
 
-#define WILD_KECCAK_SCRATCHPAD_BUFFSIZE   1ULL << 28
+#define WILD_KECCAK_SCRATCHPAD_BUFFSIZE   1ULL << 29
 #define WILD_KECCAK_ADDENDUMS_ARRAY_SIZE  10
 
 extern uint64_t scratchpad_size;

crypto/xmr-rpc.cpp

@@ -828,7 +828,10 @@ static bool download_inital_scratchpad(const char* path_to, const char* url)
 	if (opt_protocol && opt_debug) {
 		curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
 	}
-
+	if (opt_proxy) {
+		curl_easy_setopt(curl, CURLOPT_PROXY, opt_proxy);
+		curl_easy_setopt(curl, CURLOPT_PROXYTYPE, opt_proxy_type);
+	}
 	curl_easy_setopt(curl, CURLOPT_URL, url);
 	curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 30);
 	curl_easy_setopt(curl, CURLOPT_TIMEOUT, 300);