rpcserver: add asset burn logging

This commit adds a few simple logging statements relating to the asset
burn endpoint.

Author: ffranr

rpcserver.go

@@ -2063,6 +2063,8 @@ func (r *rpcServer) SendAsset(_ context.Context,
 func (r *rpcServer) BurnAsset(ctx context.Context,
 	in *taprpc.BurnAssetRequest) (*taprpc.BurnAssetResponse, error) {
 
+	rpcsLog.Debug("Executing asset burn")
+
 	var assetID asset.ID
 	switch {
 	case len(in.GetAssetId()) > 0:
@@ -2106,6 +2108,15 @@ func (r *rpcServer) BurnAsset(ctx context.Context,
 		return nil, fmt.Errorf("error querying asset group: %w", err)
 	}
 
+	var serializedGroupKey []byte
+	if groupKey != nil {
+		serializedGroupKey = groupKey.SerializeCompressed()
+	}
+
+	rpcsLog.Infof("Burning asset (asset_id=%x, group_key=%x, "+
+		"burn_amount=%d)", assetID[:], serializedGroupKey,
+		in.AmountToBurn)
+
 	fundResp, err := r.cfg.AssetWallet.FundBurn(
 		ctx, &tapscript.FundingDescriptor{
 			ID:       assetID,