/// <summary>
        /// Get an element of an array of entities from Storage based on a NeoStorageKey (NPC Level 4)
        /// </summary>
        /// <param name="vau">vau</param>
        /// <param name="index">index</param>
        /// <returns>NPCNEP5Requisition</returns>
        public static NPCNEP5Requisition GetElement(NeoVersionedAppUser vau, byte[] domain, byte[] bindex)
        {
            if (NeoVersionedAppUser.IsNull(vau))
            {
                return(Null());
            }

            Neo.SmartContract.Framework.Services.Neo.StorageContext ctx = Neo.SmartContract.Framework.Services.Neo.Storage.CurrentContext;
            NeoStorageKey nsk = NeoStorageKey.New(vau, domain, _bClassName);

            NPCNEP5Requisition e;

            //byte[] bkey;
            byte[] bsta = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bSTA));
            if (NeoTrace.RUNTIME)
            {
                TraceRuntime("Get(bkey).NPCNEP5Requisition.bsta", bsta.Length, bsta);
            }
            if (bsta.Length == 0)
            {
                e = NPCNEP5Requisition.Missing();
            }
            else // not MISSING
            {
                int ista = (int)bsta.AsBigInteger();
                NeoEntityModel.EntityState sta = (NeoEntityModel.EntityState)ista;
                if (sta == NeoEntityModel.EntityState.TOMBSTONED)
                {
                    e = NPCNEP5Requisition.Tombstone();
                }
                else // not MISSING && not TOMBSTONED
                {
                    e = new NPCNEP5Requisition();
                    byte[] FromScriptHash = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bFromScriptHash));                    // Template: NPCLevel4CGetElement_cs.txt

                    byte[] ToScriptHash = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bToScriptHash));                        // Template: NPCLevel4CGetElement_cs.txt

                    string EncryptedBlobURI = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bEncryptedBlobURI)).AsString();     // Template: NPCLevel4CGetElement_cs.txt

                    Int32 WorkflowState = (Int32)Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bWorkflowState)).AsBigInteger(); // Template: NPCLevel4CGetElement_cs.txt

                    e._fromScriptHash = FromScriptHash; e._toScriptHash = ToScriptHash; e._encryptedBlobURI = EncryptedBlobURI; e._workflowState = WorkflowState;                  // NPCLevel4DBuryElement_cs.txt
                    e._state          = sta;
                    e._state          = NeoEntityModel.EntityState.GETTED;                                                                                                         /* OVERRIDE */
                }
            }
            if (NeoTrace.RUNTIME)
            {
                LogExt("Get(bkey).NPCNEP5Requisition.e", e);
            }
            return(e);
        }
        public static NPCNEP5Requisition Get(string key)
        {
            if (key.Length == 0)
            {
                return(Null());
            }

            Neo.SmartContract.Framework.Services.Neo.StorageContext ctx = Neo.SmartContract.Framework.Services.Neo.Storage.CurrentContext;
            string _skeyTag = key + _classKeyTag;

            NPCNEP5Requisition e;

            byte[] bsta = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, _skeyTag + _sSTA);
            if (NeoTrace.RUNTIME)
            {
                TraceRuntime("Get(skey).NPCNEP5Requisition.bsta", bsta.Length, bsta);
            }
            if (bsta.Length == 0)
            {
                e = NPCNEP5Requisition.Missing();
            }
            else // not MISSING
            {
                int ista = (int)bsta.AsBigInteger();
                NeoEntityModel.EntityState sta = (NeoEntityModel.EntityState)ista;
                e = new NPCNEP5Requisition();

                byte[] FromScriptHash   = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, _skeyTag + _sFromScriptHash);                      //NPCLevel2IGet_cs.txt
                byte[] ToScriptHash     = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, _skeyTag + _sToScriptHash);                        //NPCLevel2IGet_cs.txt
                string EncryptedBlobURI = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, _skeyTag + _sEncryptedBlobURI).AsString();         //NPCLevel2IGet_cs.txt
                Int32  WorkflowState    = (Int32)Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, _skeyTag + _sWorkflowState).AsBigInteger(); //NPCLevel2IGet_cs.txt
                if (NeoTrace.RUNTIME)
                {
                    TraceRuntime("Get(skey).e._fromScriptHash, e._toScriptHash, e._encryptedBlobURI, e._workflowState", e._fromScriptHash, e._toScriptHash, e._encryptedBlobURI, e._workflowState);                   // Template: NPCLevel2Part2_cs.txt
                }
                e._fromScriptHash = FromScriptHash; e._toScriptHash = ToScriptHash; e._encryptedBlobURI = EncryptedBlobURI; e._workflowState = WorkflowState;
                e._state          = sta;
                e._state          = NeoEntityModel.EntityState.GETTED; /* OVERRIDE */
            }
            if (NeoTrace.RUNTIME)
            {
                LogExt("Get(skey).NPCNEP5Requisition", e);
            }
            return(e);
        }
        /// <summary>
        /// Bury an element of an array of entities in Storage based on a NeoStorageKey (NPC Level 4)
        /// </summary>
        /// <param name="vau">vau</param>
        /// <param name="index">index</param>
        /// <returns>NPCNEP5Requisition</returns>
        public static NPCNEP5Requisition BuryElement(NeoVersionedAppUser vau, byte[] domain, byte[] bindex)
        {
            if (NeoVersionedAppUser.IsNull(vau)) // TODO - create NeoEntityModel.EntityState.BADKEY?
            {
                return(NPCNEP5Requisition.Null());
            }

            Neo.SmartContract.Framework.Services.Neo.StorageContext ctx = Neo.SmartContract.Framework.Services.Neo.Storage.CurrentContext;
            NeoStorageKey nsk = NeoStorageKey.New(vau, domain, _bClassName);

            //byte[] bkey;
            NPCNEP5Requisition e;

            byte[] bsta = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bSTA));
            if (NeoTrace.RUNTIME)
            {
                TraceRuntime("Bury(vau,index).NPCNEP5Requisition.bsta", bsta.Length, bsta);
            }
            if (bsta.Length == 0)
            {
                e = NPCNEP5Requisition.Missing();
            }
            else // not MISSING - bury it
            {
                e = NPCNEP5Requisition.Tombstone(); // TODO - should Bury() preserve the exist field values or re-initialize them? Preserve is cheaper but not as private
                Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bSTA), e._state.AsBigInteger());

                Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bFromScriptHash), e._fromScriptHash);     // NPCLevel4EBuryElement_cs.txt

                Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bToScriptHash), e._toScriptHash);         // NPCLevel4EBuryElement_cs.txt

                Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bEncryptedBlobURI), e._encryptedBlobURI); // NPCLevel4EBuryElement_cs.txt

                Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, NeoStorageKey.StorageKey(nsk, bindex, _bWorkflowState), e._workflowState);       // NPCLevel4EBuryElement_cs.txt
            } // Template: NPCLevel4Part2_cs.txt
            if (NeoTrace.RUNTIME)
            {
                LogExt("Bury(vau,i).NPCNEP5Requisition", e);
            }
            return(e);
        }
        public static NPCNEP5Requisition Get(byte[] key)
        {
            if (key.Length == 0)
            {
                return(Null());
            }

            Neo.SmartContract.Framework.Services.Neo.StorageContext ctx = Neo.SmartContract.Framework.Services.Neo.Storage.CurrentContext;
            byte[] _bkeyTag = Helper.Concat(key, _bclassKeyTag);

            NPCNEP5Requisition e;

            byte[] bsta = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, Helper.Concat(_bkeyTag, _bSTA));
            if (NeoTrace.RUNTIME)
            {
                TraceRuntime("Get(bkey).bsta", bsta.Length, bsta);
            }
            if (bsta.Length == 0)
            {
                e = NPCNEP5Requisition.Missing();
            }
            else // not MISSING
            {
                int ista = (int)bsta.AsBigInteger();
                NeoEntityModel.EntityState sta = (NeoEntityModel.EntityState)ista;
                e = new NPCNEP5Requisition();

                byte[] FromScriptHash   = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, Helper.Concat(_bkeyTag, _bFromScriptHash));                      //NPCLevel2GGet_cs.txt
                byte[] ToScriptHash     = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, Helper.Concat(_bkeyTag, _bToScriptHash));                        //NPCLevel2GGet_cs.txt
                string EncryptedBlobURI = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, Helper.Concat(_bkeyTag, _bEncryptedBlobURI)).AsString();         //NPCLevel2GGet_cs.txt
                Int32  WorkflowState    = (Int32)Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, Helper.Concat(_bkeyTag, _bWorkflowState)).AsBigInteger(); //NPCLevel2GGet_cs.txt
                e._fromScriptHash = FromScriptHash; e._toScriptHash = ToScriptHash; e._encryptedBlobURI = EncryptedBlobURI; e._workflowState = WorkflowState;        // Template: NPCLevel2HGet_cs.txt
                e._state          = sta;
                e._state          = NeoEntityModel.EntityState.GETTED;                                                                                               /* OVERRIDE */
            }
            if (NeoTrace.RUNTIME)
            {
                LogExt("Get(bkey).NPCNEP5Requisition", e);
            }
            return(e);
        }
        public static NPCNEP5Requisition Bury(string key)
        {
            if (key.Length == 0)
            {
                return(Null());
            }

            Neo.SmartContract.Framework.Services.Neo.StorageContext ctx = Neo.SmartContract.Framework.Services.Neo.Storage.CurrentContext;
            string _skeyTag = key + _classKeyTag;

            NPCNEP5Requisition e;

            byte[] bsta = Neo.SmartContract.Framework.Services.Neo.Storage.Get(ctx, _skeyTag + _sSTA);
            if (NeoTrace.RUNTIME)
            {
                TraceRuntime("Bury(skey).NPCNEP5Requisition.bsta", bsta.Length, bsta);
            }
            if (bsta.Length == 0)
            {
                e = NPCNEP5Requisition.Missing();
            }
            else // not MISSING - bury it
            {
                e = NPCNEP5Requisition.Tombstone(); // but don't overwrite existing field values - just tombstone it
                Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, _skeyTag + _sSTA, e._state.AsBigInteger());

                //Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, _skeyTag + _sFromScriptHash, e._fromScriptHash); // Template: NPCLevel3CBury_cs.txt
                //Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, _skeyTag + _sToScriptHash, e._toScriptHash); // Template: NPCLevel3CBury_cs.txt
                //Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, _skeyTag + _sEncryptedBlobURI, e._encryptedBlobURI); // Template: NPCLevel3CBury_cs.txt
                //Neo.SmartContract.Framework.Services.Neo.Storage.Put(ctx, _skeyTag + _sWorkflowState, e._workflowState); // Template: NPCLevel3CBury_cs.txt
            } // Template: NPCLevel3Part2_cs.txt
            if (NeoTrace.RUNTIME)
            {
                LogExt("Bury(skey).NPCNEP5Requisition", e);
            }
            return(e); // return Entity e to signal if key is Missing or bad key
        }