response return btm fee

diff --git a/api/query.go b/api/query.go
index ab370ee..956ff63 100644 (file)
--- a/api/query.go
+++ b/api/query.go
@@ -169,6 +169,7 @@ type RawTx struct {
        TimeRange uint64                   `json:"time_range"`
        Inputs    []*query.AnnotatedInput  `json:"inputs"`
        Outputs   []*query.AnnotatedOutput `json:"outputs"`
+       Fee       uint64                   `json:"fee"`
 }
 
 // POST /get-raw-transaction
@@ -190,6 +191,21 @@ func (a *API) getRawTransaction(ctx context.Context, ins struct {
                tx.Outputs = append(tx.Outputs, a.wallet.BuildAnnotatedOutput(&ins.Tx, i))
        }
 
+       totalInputBtm := uint64(0)
+       totalOutputBtm := uint64(0)
+       for _, input := range tx.Inputs {
+               if input.AssetID.String() == consensus.BTMAssetID.String() {
+                       totalInputBtm += input.Amount
+               }
+       }
+
+       for _, output := range tx.Outputs {
+               if output.AssetID.String() == consensus.BTMAssetID.String() {
+                       totalOutputBtm += output.Amount
+               }
+       }
+
+       tx.Fee = totalInputBtm - totalOutputBtm
        return NewSuccessResponse(tx)
 }