From 03c1776b43c31b1d56607bd85f10c57ba59d7f09 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Magiera?= <magik6k@gmail.com>
Date: Wed, 12 Aug 2020 19:58:39 +0200
Subject: [PATCH] types: Add text (un)marshaler on FIL

---
 chain/types/fil.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/chain/types/fil.go b/chain/types/fil.go
index 1d912d9c0..99a896e38 100644
--- a/chain/types/fil.go
+++ b/chain/types/fil.go
@@ -1,6 +1,7 @@
 package types
 
 import (
+	"encoding"
 	"fmt"
 	"math/big"
 	"strings"
@@ -27,6 +28,20 @@ func (f FIL) Format(s fmt.State, ch rune) {
 	}
 }
 
+func (f FIL) MarshalText() (text []byte, err error) {
+	return []byte(f.String()), nil
+}
+
+func (f FIL) UnmarshalText(text []byte) error {
+	p, err := ParseFIL(string(text))
+	if err != nil {
+		return err
+	}
+
+	f.Int.Set(p.Int)
+	return nil
+}
+
 func ParseFIL(s string) (FIL, error) {
 	suffix := strings.TrimLeft(s, ".1234567890")
 	s = s[:len(s)-len(suffix)]
@@ -61,3 +76,6 @@ func ParseFIL(s string) (FIL, error) {
 
 	return FIL{r.Num()}, nil
 }
+
+var _ encoding.TextMarshaler = (*FIL)(nil)
+var _ encoding.TextUnmarshaler = (*FIL)(nil)