Changed AsciiDoc source language from Rust to Cairo in contract-abi.adoc

components/Starknet/modules/architecture_and_concepts/pages/Smart_Contracts/contract-abi.adoc

@@ -385,7 +385,8 @@ With `v2.3.0` onwards, doing so may result in losing information.
 
 To illustrate this, consider the following example:
 
-```rust
+[source,cairo]
+----
 //high-level code defining the events
 
 #[event]
@@ -416,15 +417,16 @@ enum MyEnum {
 struct MyStruct {
 	member: u128
 }
-```
+----
 
 === Variant names different from types
 
 In `v2.3.0` enum variant types can now have any name.
 
 As an example the `TestCounterIncreased` variant and the `CounterIncreased` type, as they appear in the ABI:
 
-```json
+[source,json]
+----
 {
   "type": "event",
   "name": "<namespace>::Event",
@@ -464,7 +466,7 @@ As an example the `TestCounterIncreased` variant and the `CounterIncreased` type
 		}
 	]
 }
-```
+----
 
 When the contract emits the `TestCounterIncreased` event, for example by writing `self.emit(CounterIncreased { amount }))`, the event that is emitted has the following keys and data:
 
@@ -481,17 +483,19 @@ The serialization to keys and data is the same in both cases, so this example wi
 
 This example shows the `TestEnum` variant entry inside Event:
 
-```json
+[source,json]
+----
 {
 "name": "TestEnum",
 "type": "<namespace>::MyEnum",
 "kind": "nested"
 }
-```
+----
 
 This example shows the `MyEnum` event entry:
 
-```json
+[source,json]
+----
 {
 	"type": "event",
 	"name": "<namespace>::MyEnum",
@@ -504,11 +508,12 @@ This example shows the `MyEnum` event entry:
 		}
 	]
 }
-```
+----
 
 This example shows the `MyStruct` event entry:
 
-```json
+[source,json]
+----
 {
 	"type": "event",
 	"name": "<namespace>::MyStruct",
@@ -521,7 +526,7 @@ This example shows the `MyStruct` event entry:
 		}
 	]
 }
-```
+----
 
 [NOTE]
 ====
@@ -545,7 +550,8 @@ Allowing variants that are themselves enums (`TestEnum` is an enum variant here)
 
 For example, if the high level code is changed to:
 
-```rust
+[source,cairo]
+----
 #[event]
 #[derive(Drop, starknet::Event)]
 enum Event {
@@ -569,15 +575,15 @@ enum AnotherEnum {
 struct MyStruct {
     member: u128,
 }
-
-```
+----
 
 then `self.emit(Event::TestEnum(MyEnum::Var1(AnotherEnum::Var2(MyStruct { member: 5 }))))`
 (as before, `Into` implementations can shorten this) will emit an event with `keys = [sn_keccak(TestEnum), sn_keccak(Var1), sn_keccak(Var2)]` and `data=[5]`.
 
 This will look as follows in the ABI (only the relevant parts are shown):
 
-```json
+[source,json]
+----
 {
   "type": "event",
   "name": "<namespace>::Event",
@@ -615,7 +621,7 @@ This will look as follows in the ABI (only the relevant parts are shown):
     }
   ]
 }
-```
+----
 
 As `TestEnum`, `Var1` and `Var2` are of kind `nested`, a selector should be added to the list of keys, before continuing to recursively serialize.
 
@@ -625,7 +631,8 @@ You might not want to nest enums when serializing the event. For example, if you
 
 To avoid nesting, write the following high level code:
 
-```rust
+[source,cairo]
+----
 #[event]
 #[derive(Drop, starknet::Event)]
 enum Event {
@@ -635,17 +642,18 @@ enum Event {
 	#[flat]
 	TestEnum: MyEnum
 }
-```
+----
 
 By writing the above, the `TestEnum` variant entry in the ABI will change to:
 
-```json
+[source,json]
+----
 {
 "name": "TestEnum",
 "type": "<namespace>::MyEnum",
 "kind": "flat"
 }
-```
+----
 
 This means that `self.emit(Event::TestEnum(MyEnum::Var1(MyStruct {member: 5})))` will emit an event with `keys=[sn_keccak(Var1)]` and `data=[5]`.
 
@@ -738,13 +746,13 @@ mod counter_contract {
 
 Since the `CounterContract` `impl` is annotated with the `#[external(v0)]` attribute, you'll find the following `impl` entry in the ABI:
 
-```
+[source,json]
 {
   "type": "impl",
   "name": "CounterContract",
   "interface_name": "new_syntax_test_contract::new_syntax_test_contract::ICounterContract"
 }
-```
+----
 
 This means that every function appearing in the `ICounterContract` interface 
 is a possible entry point of the contract.