starknet_api: add BlockHashVersion::V0_14_3 variant

Author: sirandreww-starkware

crates/starknet_api/src/block_hash/block_hash_calculator.rs

@@ -47,6 +47,9 @@ static STARKNET_BLOCK_HASH0: LazyLock<Felt> = LazyLock::new(|| {
 pub static STARKNET_BLOCK_HASH1: LazyLock<Felt> = LazyLock::new(|| {
     ascii_as_felt("STARKNET_BLOCK_HASH1").expect("ascii_as_felt failed for 'STARKNET_BLOCK_HASH1'")
 });
+pub static STARKNET_BLOCK_HASH2: LazyLock<Felt> = LazyLock::new(|| {
+    ascii_as_felt("STARKNET_BLOCK_HASH2").expect("ascii_as_felt failed for 'STARKNET_BLOCK_HASH2'")
+});
 pub static STARKNET_GAS_PRICES0: LazyLock<Felt> = LazyLock::new(|| {
     ascii_as_felt("STARKNET_GAS_PRICES0").expect("ascii_as_felt failed for 'STARKNET_GAS_PRICES0'")
 });
@@ -56,13 +59,15 @@ pub static STARKNET_GAS_PRICES0: LazyLock<Felt> = LazyLock::new(|| {
 pub enum BlockHashVersion {
     V0_13_2,
     V0_13_4,
+    V0_14_3,
 }
 
 impl From<BlockHashVersion> for StarknetVersion {
     fn from(value: BlockHashVersion) -> Self {
         match value {
             BlockHashVersion::V0_13_2 => StarknetVersion::V0_13_2,
             BlockHashVersion::V0_13_4 => StarknetVersion::V0_13_4,
+            BlockHashVersion::V0_14_3 => StarknetVersion::V0_14_3,
         }
     }
 }
@@ -76,8 +81,10 @@ impl TryFrom<StarknetVersion> for BlockHashVersion {
         } else if value < Self::V0_13_4.into() {
             // Starknet versions 0.13.2 and 0.13.3 both have the same block hash mechanism.
             Ok(Self::V0_13_2)
-        } else {
+        } else if value < Self::V0_14_3.into() {
             Ok(Self::V0_13_4)
+        } else {
+            Ok(Self::V0_14_3)
         }
     }
 }
@@ -90,6 +97,7 @@ impl From<BlockHashVersion> for BlockHashConstant {
         match block_hash_version {
             BlockHashVersion::V0_13_2 => *STARKNET_BLOCK_HASH0,
             BlockHashVersion::V0_13_4 => *STARKNET_BLOCK_HASH1,
+            BlockHashVersion::V0_14_3 => *STARKNET_BLOCK_HASH2,
         }
     }
 }

crates/starknet_os/src/hints/hint_implementation/block_hash/test.rs

@@ -19,7 +19,7 @@ use starknet_api::block_hash::block_hash_calculator::{
     BlockHashVersion,
     BlockHeaderCommitments,
     PartialBlockHashComponents,
-    STARKNET_BLOCK_HASH1,
+    STARKNET_BLOCK_HASH2,
 };
 use starknet_api::core::{
     EventCommitment,
@@ -161,7 +161,7 @@ fn test_block_hash_version() {
     // NOTE: if these checks fail, it means the block hash version in the OS program is not the
     // latest, and a backward-compatibility flow must be added for the transition.
     assert_eq!(
-        *STARKNET_BLOCK_HASH1, latest_block_hash_version,
+        *STARKNET_BLOCK_HASH2, latest_block_hash_version,
         "Latest block hash version constant mismatch"
     );
     assert_eq!(