feat: add Enum in contract

Squashed commit of the following:

commit fd6064e
Author: Philippe ROSTAN <[email protected]>
Date:   Mon Jul 3 19:26:54 2023 +0200

    feat: merge in hellocairo2

commit 0246933
Author: Philippe ROSTAN <[email protected]>
Date:   Mon Jul 3 17:21:45 2023 +0200

    feat: merge v5.16.0
    Squashed commit of the following:

    commit e5696b4
    Author: semantic-release-bot <[email protected]>
    Date:   Mon Jul 3 15:08:31 2023 +0000

        chore(release): 5.16.0 [skip ci]

        * cairo1 version2 support ([e564033](e564033))
        * extract parser from CallData and Cairo ([b7eba2a](b7eba2a))
        * parsers ([cce9029](cce9029))

    commit 3389085
    Merge: e6b861a 589c948
    Author: Toni Tabak <[email protected]>
    Date:   Mon Jul 3 17:06:08 2023 +0200

        Merge pull request #670 from 0xs34n/next-version

        Next version

    commit 589c948
    Merge: ffa6d07 03ee060
    Author: Toni Tabak <[email protected]>
    Date:   Mon Jul 3 16:38:23 2023 +0200

        Merge pull request #665 from 0xs34n/0.12.0/abi-parser

        abi parser Cario1 Version2

    commit 03ee060
    Author: Toni Tabak <[email protected]>
    Date:   Mon Jul 3 16:32:11 2023 +0200

        chore: cleanup

    commit 6c0eae2
    Author: Toni Tabak <[email protected]>
    Date:   Mon Jul 3 14:07:45 2023 +0200

        chore: compiled files

    commit e564033
    Author: Toni Tabak <[email protected]>
    Date:   Mon Jul 3 14:05:52 2023 +0200

        feat: cairo1 version2 support

    commit ffa6d07
    Merge: e6b861a 6f8164f
    Author: Toni Tabak <[email protected]>
    Date:   Mon Jul 3 11:43:42 2023 +0200

        Merge pull request #664 from amanusk/cairo_v2_example

        Add example of new synatx cairo contract

    commit cae5abd
    Author: Toni Tabak <[email protected]>
    Date:   Mon Jul 3 11:41:51 2023 +0200

        chore: refact

    commit cce9029
    Author: Toni Tabak <[email protected]>
    Date:   Fri Jun 30 16:16:21 2023 +0200

        feat: parsers

    commit b7eba2a
    Author: Toni Tabak <[email protected]>
    Date:   Fri Jun 30 16:13:14 2023 +0200

        feat: extract parser from CallData and Cairo

    commit 6f8164f
    Author: amanusk <[email protected]>
    Date:   Thu Jun 29 21:23:28 2023 +0300

        Add example of new synatx cairo contract

commit 15c1dcc
Author: Philippe ROSTAN <[email protected]>
Date:   Sun Jul 2 14:36:05 2023 +0200

    feat: sierra.json with enums

commit 7e6e136
Merge: b2e7a40 e6b861a
Author: Philippe ROSTAN <[email protected]>
Date:   Fri Jun 30 12:36:18 2023 +0200

    Merge pull request #1 from 0xs34n/develop

    merge

__mocks__/cairo/helloCairo2/hello.cairo

@@ -49,6 +49,18 @@ struct Bet {
     amount: u256,
 }
 
+#[derive(Copy, Drop, Serde)]
+struct Order {
+    p1: felt252,
+    p2: u16,
+}
+
+#[derive(Copy, Drop, Serde)]
+enum MyEnum {
+    Response: Order,
+    Warning: felt252,
+    Error: u16,
+}
 
 #[starknet::interface]
 trait IHelloStarknet<TContractState> {
@@ -106,6 +118,10 @@ trait IHelloStarknet<TContractState> {
 
     // used for changes to redeclare contract
     fn array2ddd_felt(self: @TContractState, testdd: Array<Array<felt252>>) -> felt252;
+    fn my_enum_output(self: @TContractState, val1: u16) -> MyEnum;
+    fn option_u8_output(self: @TContractState, val1: u8) -> Option<u8>;
+    fn option_order_output(self: @TContractState, val1: u16) -> Option<Order>;
+    fn option_order_input(self: @TContractState, inp: Option<Order>) -> u16;
 }
 
 // MAIN APP
@@ -139,6 +155,7 @@ mod HelloStarknet {
     use super::Bet;
     use super::UserData;
     use super::Foo;
+    use super::{Order, MyEnum};
 
     #[storage]
     struct Storage {
@@ -151,6 +168,17 @@ mod HelloStarknet {
         user1: UserData,
     }
 
+    #[l1_handler]
+    fn increase_bal(ref self: ContractState, from_address: felt252, amount: felt252) {
+        let current = self.balance.read();
+        self.balance.write(current + amount);
+    }
+
+
+    #[constructor]
+    fn constructor(ref self: ContractState) {}
+
+
     #[external(v0)]
     impl IHelloStarknetImpl of super::IHelloStarknet<ContractState> {
         // Felt252 test.
@@ -312,5 +340,41 @@ mod HelloStarknet {
         fn array2ddd_felt(self: @ContractState, testdd: Array<Array<felt252>>) -> felt252 {
             return *(testdd.at(0_u32)).at(0_u32);
         }
+
+        // return MyEnum
+        fn my_enum_output(self: @ContractState, val1: u16) -> MyEnum {
+            if val1 < 100 {
+                return MyEnum::Error(3);
+            }
+            if val1 == 100 {
+                return MyEnum::Warning('attention:100');
+            }
+            MyEnum::Response(Order { p1: 1, p2: val1 })
+        }
+        // return Option<litteral>
+        fn option_u8_output(self: @ContractState, val1: u8) -> Option<u8> {
+            if val1 < 100 {
+                return Option::None(());
+            }
+            Option::Some(val1 + 1)
+        }
+        // return Option<Order>
+        fn option_order_output(self: @ContractState, val1: u16) -> Option<Order> {
+            if val1 < 100 {
+                return Option::None(());
+            }
+            Option::Some(Order { p1: 18, p2: val1 })
+        }
+        // use as input Option<Order>
+        fn option_order_input(self: @ContractState, inp: Option<Order>) -> u16 {
+            match inp {
+                Option::Some(x) => {
+                    return x.p2;
+                },
+                Option::None(()) => {
+                    return 17;
+                }
+            }
+        }
     }
 }