get all queries cc function added

evidentia/chaincode/evidentiaCC.go

@@ -63,3 +63,30 @@ func (t *SmartContract) ReadEvidentiaQuery(ctx contractapi.TransactionContextInt
 
 	return &evidentiaQuery, nil
 }
+
+func (s *SmartContract) GetAll(ctx contractapi.TransactionContextInterface) ([]*EvidentiaQuery, error) {
+	// range query with empty string for startKey and endKey does an
+	// open-ended query of all assets in the chaincode namespace.
+	resultsIterator, err := ctx.GetStub().GetStateByRange("", "")
+	if err != nil {
+		return nil, err
+	}
+	defer resultsIterator.Close()
+
+	var queries []*EvidentiaQuery
+	for resultsIterator.HasNext() {
+		queryResponse, err := resultsIterator.Next()
+		if err != nil {
+			return nil, err
+		}
+
+		var query EvidentiaQuery
+		err = json.Unmarshal(queryResponse.Value, &query)
+		if err != nil {
+			return nil, err
+		}
+		queries = append(queries, &query)
+	}
+
+	return queries, nil
+}
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