fix: stacks predicate format

Author: Ludo Galabru

components/chainhook-sdk/src/chainhooks/stacks/mod.rs

@@ -1,7 +1,7 @@
 use crate::utils::{AbstractStacksBlock, Context};
 
 use super::types::{
-    BlockIdentifierIndexRule, HookAction, StacksChainhookSpecification,
+    BlockIdentifierIndexRule, ExactMatchingRule, HookAction, StacksChainhookSpecification,
     StacksContractDeploymentPredicate, StacksPredicate,
 };
 use chainhook_types::{
@@ -399,7 +399,9 @@ pub fn evaluate_stacks_predicate_on_transaction<'a>(
             }
             false
         }
-        StacksPredicate::Txid(txid) => txid.eq(&transaction.transaction_identifier.hash),
+        StacksPredicate::Txid(ExactMatchingRule::Equals(txid)) => {
+            txid.eq(&transaction.transaction_identifier.hash)
+        }
         StacksPredicate::BlockHeight(_) => unreachable!(),
     }
 }

components/chainhook-sdk/src/chainhooks/types.rs

@@ -738,7 +738,7 @@ pub enum StacksPredicate {
     FtEvent(StacksFtEventBasedPredicate),
     NftEvent(StacksNftEventBasedPredicate),
     StxEvent(StacksStxEventBasedPredicate),
-    Txid(String),
+    Txid(ExactMatchingRule),
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, JsonSchema)]