update

diff --git a/swap/tradeoff_test.go b/swap/tradeoff_test.go
new file mode 100644 (file)
index 0000000..a3610cb
--- /dev/null
+++ b/swap/tradeoff_test.go
@@ -0,0 +1,15 @@
+package swap
+
+import (
+       "fmt"
+       "testing"
+)
+
+func TestParseUint64(t *testing.T) {
+       s := "12"
+       num, err := ParseUint64(s)
+       if err != nil {
+               fmt.Println(err)
+       }
+       fmt.Println(num)
+}