From 87e6fe8fe99a964737bf6e5a1486468e73f21c8d Mon Sep 17 00:00:00 2001
From: omani <3346207+omani@users.noreply.github.com>
Date: Tue, 1 Aug 2023 18:09:30 +0000
Subject: [PATCH] Provide UnmarshalJSON() for common.uint160

fixes error `json: cannot unmarshal string into Go struct field
Account.ProgramHash of type common.Uint160` in case `nkn.Account` struct
is to be unmarshalled.

Signed-off-by: omani <3346207+omani@users.noreply.github.com>
---
 common/uint160.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/uint160.go b/common/uint160.go
index 00ff12761..bc407f5b8 100644
--- a/common/uint160.go
+++ b/common/uint160.go
@@ -94,6 +94,13 @@ func (f Uint160) MarshalJSON() ([]byte, error) {
 	return []byte("\"" + str + "\""), err
 }
 
+func (f Uint160) UnmarshalJSON(in []byte) (err error) {
+	if len(in) > 1 {
+		f, err = ToScriptHash(string(in[1 : len(in)-1]))
+	}
+	return
+}
+
 func (f *Uint160) ToAddress() (string, error) {
 	data := append(big.NewInt(FOOLPROOFPREFIX).Bytes(), f.ToArray()...)
 	temp := sha256.Sum256(data)