lnrpc: add previous_outpoints to listchaintxns

lnrpc/lightning.proto

@@ -686,7 +686,11 @@ message Transaction {
 
     // A label that was optionally set on transaction broadcast.
     string label = 10;
+
+    // PreviousOutpoints/Inputs of this transaction.
+    repeated PreviousOutPoint previous_outpoints = 12;
 }
+
 message GetTransactionsRequest {
     /*
     The height from which to list transactions, inclusive. If this value is
@@ -1007,6 +1011,15 @@ message OutPoint {
     uint32 output_index = 3;
 }
 
+message PreviousOutPoint {
+    // The outpoint in format txid:n.
+    string outpoint = 1;
+
+    // Denotes if the outpoint is controlled by the internal wallet.
+    // The flag will only detect p2wkh, np2wkh and p2tr inputs as its own.
+    bool is_our_output = 2;
+}
+
 message LightningAddress {
     // The identity pubkey of the Lightning node.
     string pubkey = 1;

lnrpc/lightning.swagger.json

@@ -5879,6 +5879,19 @@
         }
       }
     },
+    "lnrpcPreviousOutPoint": {
+      "type": "object",
+      "properties": {
+        "outpoint": {
+          "type": "string",
+          "description": "The outpoint in format txid:n."
+        },
+        "is_our_output": {
+          "type": "boolean",
+          "description": "Denotes if the outpoint is controlled by the internal wallet.\nThe flag will only detect p2wkh, np2wkh and p2tr inputs as its own."
+        }
+      }
+    },
     "lnrpcPsbtShim": {
       "type": "object",
       "properties": {
@@ -6501,6 +6514,13 @@
         "label": {
           "type": "string",
           "description": "A label that was optionally set on transaction broadcast."
+        },
+        "previous_outpoints": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/lnrpcPreviousOutPoint"
+          },
+          "description": "PreviousOutpoints/Inputs of this transaction."
         }
       }
     },

lnrpc/rpc_utils.go

@@ -45,6 +45,14 @@ func RPCTransaction(tx *lnwallet.TransactionDetail) *Transaction {
 		})
 	}
 
+	previousOutpoints := make([]*PreviousOutPoint, len(tx.PreviousOutpoints))
+	for idx, previousOutPoint := range tx.PreviousOutpoints {
+		previousOutpoints[idx] = &PreviousOutPoint{
+			Outpoint:    previousOutPoint.OutPoint,
+			IsOurOutput: previousOutPoint.IsOurOutput,
+		}
+	}
+
 	// We also get unconfirmed transactions, so BlockHash can be nil.
 	blockHash := ""
 	if tx.BlockHash != nil {
@@ -52,17 +60,18 @@ func RPCTransaction(tx *lnwallet.TransactionDetail) *Transaction {
 	}
 
 	return &Transaction{
-		TxHash:           tx.Hash.String(),
+		TxHash:            tx.Hash.String(),
-		Amount:           int64(tx.Value),
+		Amount:            int64(tx.Value),
-		NumConfirmations: tx.NumConfirmations,
+		NumConfirmations:  tx.NumConfirmations,
-		BlockHash:        blockHash,
+		BlockHash:         blockHash,
-		BlockHeight:      tx.BlockHeight,
+		BlockHeight:       tx.BlockHeight,
-		TimeStamp:        tx.Timestamp,
+		TimeStamp:         tx.Timestamp,
-		TotalFees:        tx.TotalFees,
+		TotalFees:         tx.TotalFees,
-		DestAddresses:    destAddresses,
+		DestAddresses:     destAddresses,
-		OutputDetails:    outputDetails,
+		OutputDetails:     outputDetails,
-		RawTxHex:         hex.EncodeToString(tx.RawTx),
+		RawTxHex:          hex.EncodeToString(tx.RawTx),
-		Label:            tx.Label,
+		Label:             tx.Label,
+		PreviousOutpoints: previousOutpoints,
 	}
 }
 

lnrpc/walletrpc/walletkit.swagger.json

@@ -769,6 +769,19 @@
       ],
       "default": "SCRIPT_TYPE_PUBKEY_HASH"
     },
+    "lnrpcPreviousOutPoint": {
+      "type": "object",
+      "properties": {
+        "outpoint": {
+          "type": "string",
+          "description": "The outpoint in format txid:n."
+        },
+        "is_our_output": {
+          "type": "boolean",
+          "description": "Denotes if the outpoint is controlled by the internal wallet.\nThe flag will only detect p2wkh, np2wkh and p2tr inputs as its own."
+        }
+      }
+    },
     "lnrpcTransaction": {
       "type": "object",
       "properties": {
@@ -826,6 +839,13 @@
         "label": {
           "type": "string",
           "description": "A label that was optionally set on transaction broadcast."
+        },
+        "previous_outpoints": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/lnrpcPreviousOutPoint"
+          },
+          "description": "PreviousOutpoints/Inputs of this transaction."
         }
       }
     },