feat: Store and return stellar soroban transaction result (#590)

* feat: Store and return stellar soroban transaction result

* chore: Improvements

Author: zeljkoX

openapi.json

@@ -8175,6 +8175,9 @@
               "string",
               "null"
             ]
+          },
+          "transaction_result_xdr": {
+            "type": "string"
           }
         }
       },

src/domain/relayer/stellar/gas_abstraction.rs

@@ -403,6 +403,7 @@ where
             simulation_transaction_data: None,
             transaction_input: TransactionInput::Operations(ops.clone()),
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         // Build unsigned envelope from operations

src/domain/transaction/stellar/prepare/common.rs

@@ -163,6 +163,7 @@ pub fn create_signing_data(
         hash: None,
         simulation_transaction_data: None,
         signed_envelope_xdr: None,
+        transaction_result_xdr: None,
     }
 }
 

src/domain/transaction/stellar/prepare/fee_bump.rs

@@ -226,6 +226,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let result = extract_inner_transaction(&stellar_data);
@@ -256,6 +257,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let result = extract_inner_transaction(&stellar_data);
@@ -283,6 +285,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let result = extract_inner_transaction(&stellar_data);
@@ -744,6 +747,7 @@ mod signed_xdr_tests {
                     max_fee: 1_000_000,
                 },
                 signed_envelope_xdr: None,
+                transaction_result_xdr: None,
             };
 
             let result = process_fee_bump(
@@ -857,6 +861,7 @@ mod signed_xdr_tests {
                     max_fee: 1_000_000,
                 },
                 signed_envelope_xdr: None,
+                transaction_result_xdr: None,
             };
 
             let result = process_fee_bump(
@@ -990,6 +995,7 @@ mod signed_xdr_tests {
                     max_fee: 1_000_000,
                 },
                 signed_envelope_xdr: None,
+                transaction_result_xdr: None,
             };
 
             let result = process_fee_bump(
@@ -1093,6 +1099,7 @@ mod signed_xdr_tests {
                     max_fee: 1_000_000,
                 },
                 signed_envelope_xdr: None,
+                transaction_result_xdr: None,
             };
 
             let result = process_fee_bump(
@@ -1228,6 +1235,7 @@ mod signed_xdr_tests {
                     max_fee: 1_000_000,
                 },
                 signed_envelope_xdr: None,
+                transaction_result_xdr: None,
             };
 
             let result = process_fee_bump(

src/domain/transaction/stellar/prepare/mod.rs

@@ -1047,6 +1047,7 @@ mod refactoring_tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: Some("test-xdr".to_string()),
+            transaction_result_xdr: None,
         };
 
         let expected_xdr = expected_stellar_data.signed_envelope_xdr.clone();

src/domain/transaction/stellar/prepare/operations.rs

@@ -169,6 +169,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         }
     }
 

src/domain/transaction/stellar/prepare/unsigned_xdr.rs

@@ -421,6 +421,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let dex_service = MockStellarDexServiceTrait::new();
@@ -504,6 +505,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let dex_service = MockStellarDexServiceTrait::new();
@@ -591,6 +593,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let dex_service = MockStellarDexServiceTrait::new();
@@ -664,6 +667,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let dex_service = MockStellarDexServiceTrait::new();
@@ -716,6 +720,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let dex_service = MockStellarDexServiceTrait::new();
@@ -796,6 +801,7 @@ mod tests {
             hash: None,
             simulation_transaction_data: None,
             signed_envelope_xdr: None,
+            transaction_result_xdr: None,
         };
 
         let policy = RelayerStellarPolicy {