Define a sietch header file and add --sietch-min-zouts CLI option

src/sietch.h

@@ -0,0 +1,34 @@
+/******************************************************************************
+ * Copyright © 2019 The Hush developers                                       *
+ *                                                                            *
+ * See the AUTHORS and LICENSE files at                                       *
+ * the top-level directory of this distribution for the individual copyright  *
+ * holder information and the developer policies on copyright and licensing.  *
+ *                                                                            *
+ * Unless otherwise agreed in a custom licensing agreement, no part of the    *
+ * this software, including this file may be copied, modified, propagated     *
+ * or distributed except according to the terms contained in the GPLv3        *
+ *                                                                            *
+ * Removal or modification of this copyright notice is prohibited.            *
+ *                                                                            *
+ ******************************************************************************/
+
+//TODO: List zpools here, and a function to randomly choose from them
+#ifndef SIETCH_H
+#define SIETCH_H
+
+string randomSietchZaddr() {
+    std::vector<string> SietchShieldedPool1 = {
+    };
+    std::vector<string> SietchShieldedPool2 = {
+    };
+    //TODO: Assumes pools of 100
+    int randIndex = GetRandInt(100); // random int between 0 and 99
+    if(randIndex % 2) {
+       return SietchShieldedPool1[randIndex];
+    } else {
+       return SietchShieldedPool2[randIndex];
+    }
+}
+
+#endif