feat(api): add 22 missing Transaction variants and Unknown catchall -- fixes #41

xrpl_api/src/api/account_tx.rs

@@ -78,3 +78,40 @@ impl WithResponsePagination for AccountTxResponse {
         &self.pagination
     }
 }
+
+// BASELINE: test that AccountTxResponse fails when any transaction has unknown type — see issue #41
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_account_tx_response_fails_on_unknown_transaction_type() {
+        // A response with one known and one unknown transaction type.
+        // Currently FAILS — the Vec<AccountTransaction> cannot deserialize
+        // when any element contains an unknown TransactionType.
+        let json = r#"{
+            "account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+            "ledger_index_min": 1,
+            "ledger_index_max": 100,
+            "validated": true,
+            "transactions": [
+                {
+                    "meta": {
+                        "AffectedNodes": [],
+                        "TransactionIndex": 0,
+                        "TransactionResult": "tesSUCCESS"
+                    },
+                    "validated": true,
+                    "tx": {
+                        "TransactionType": "OracleSet",
+                        "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+                        "Fee": "12",
+                        "Sequence": 1
+                    }
+                }
+            ]
+        }"#;
+        // After fix: this should succeed — OracleSet deserializes as Transaction::OracleSet(...)
+        let _: AccountTxResponse = serde_json::from_str(json).unwrap();
+    }
+}

xrpl_api/src/api/tx.rs

@@ -173,4 +173,19 @@ mod test {
 
         let _tx_response: TxResponse = serde_json::from_str(json).unwrap();
     }
+
+    // BASELINE: test that TxResponse fails when transaction has unknown type — see issue #41
+    #[test]
+    fn test_tx_response_fails_on_unknown_transaction_type() {
+        // Currently FAILS — TxResponse cannot deserialize unknown TransactionType
+        let json = r#"{
+            "validated": true,
+            "TransactionType": "AMMCreate",
+            "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+            "Fee": "12",
+            "Sequence": 1
+        }"#;
+        // After fix: should deserialize as Transaction::AMMCreate(...)
+        let _: TxResponse = serde_json::from_str(json).unwrap();
+    }
 }

xrpl_api/src/events/transaction.rs

@@ -11,3 +11,37 @@ pub struct TransactionEvent {
     #[serde(flatten)]
     pub ledger_spec: ReturnLedgerSpec,
 }
+
+// BASELINE: test that TransactionEvent fails when transaction has unknown type — see issue #41
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[test]
+    fn test_transaction_event_fails_on_unknown_transaction_type() {
+        // This is the exact path described in issue #41 — subscribing to
+        // streams="transactions" and receiving an OracleSet event.
+        // Currently FAILS — TransactionEvent cannot deserialize unknown TransactionType.
+        let json = r#"{
+            "engine_result": "tesSUCCESS",
+            "engine_result_code": 0,
+            "engine_result_message": "The transaction was applied.",
+            "meta": {
+                "AffectedNodes": [],
+                "TransactionIndex": 0,
+                "TransactionResult": "tesSUCCESS"
+            },
+            "transaction": {
+                "TransactionType": "OracleSet",
+                "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+                "Fee": "12",
+                "Sequence": 1
+            },
+            "ledger_hash": "abc123",
+            "ledger_index": 1000,
+            "validated": true
+        }"#;
+        // After fix: should deserialize successfully
+        let _: TransactionEvent = serde_json::from_str(json).unwrap();
+    }
+}