From 1db3ff32d7a00629d0e56301f740640d10134cca Mon Sep 17 00:00:00 2001
From: Omar Hatem <omarh.ismail1@gmail.com>
Date: Wed, 19 Feb 2025 00:31:25 +0200
Subject: [PATCH] Zano asset logo (#2010)

* Add Logo to Zano Asset

* Add Logo to Zano Assets

* fetch zano tokens asset from meta info
---
 cw_core/lib/zano_asset.dart | 52 +++++++++++++++++++++++--------------
 1 file changed, 33 insertions(+), 19 deletions(-)

diff --git a/cw_core/lib/zano_asset.dart b/cw_core/lib/zano_asset.dart
index edafb4de5..0332f5972 100644
--- a/cw_core/lib/zano_asset.dart
+++ b/cw_core/lib/zano_asset.dart
@@ -1,3 +1,5 @@
+import 'dart:convert';
+
 import 'package:cw_core/crypto_currency.dart';
 import 'package:cw_core/hive_type_ids.dart';
 import 'package:hive/hive.dart';
@@ -18,6 +20,7 @@ class ZanoAsset extends CryptoCurrency with HiveObjectMixin {
   bool _enabled;
   @HiveField(5)
   final String? iconPath;
+
   // @HiveField(6)
   // final String? tag;
   @HiveField(6)
@@ -32,6 +35,8 @@ class ZanoAsset extends CryptoCurrency with HiveObjectMixin {
   final BigInt totalMaxSupply;
   @HiveField(11)
   final bool isInGlobalWhitelist;
+  @HiveField(12, defaultValue: null)
+  final Map<String, dynamic>? info;
 
   bool get enabled => _enabled;
 
@@ -50,7 +55,8 @@ class ZanoAsset extends CryptoCurrency with HiveObjectMixin {
     this.hiddenSupply = false,
     required this.totalMaxSupply,
     this.isInGlobalWhitelist = false,
-  })  : _enabled = enabled, 
+    this.info,
+  })  : _enabled = enabled,
         super(
           name: fullName,
           title: ticker.toUpperCase(),
@@ -60,46 +66,54 @@ class ZanoAsset extends CryptoCurrency with HiveObjectMixin {
           decimals: decimalPoint,
         );
 
-  ZanoAsset.copyWith(ZanoAsset other, {String? icon,  String? assetId, bool enabled = true})
+  ZanoAsset.copyWith(ZanoAsset other, {String? assetId, bool enabled = true})
       : this.fullName = other.fullName,
         this.ticker = other.ticker,
         this.assetId = assetId ?? other.assetId,
         this.decimalPoint = other.decimalPoint,
         this._enabled = enabled && other.enabled,
-        this.iconPath = icon,
+        this.iconPath = other.iconPath,
         this.currentSupply = other.currentSupply,
         this.hiddenSupply = other.hiddenSupply,
         this.metaInfo = other.metaInfo,
         this.owner = other.owner,
         this.totalMaxSupply = other.totalMaxSupply,
         this.isInGlobalWhitelist = other.isInGlobalWhitelist,
+        this.info = other.info,
         super(
           name: other.name,
           title: other.ticker.toUpperCase(),
           fullName: other.name,
           tag: 'ZANO',
-          iconPath: icon,
+          iconPath: other.iconPath,
           decimals: other.decimalPoint,
           enabled: enabled,
         );
 
-  factory ZanoAsset.fromJson(Map<String, dynamic> json, {bool isInGlobalWhitelist = false}) => ZanoAsset(
-        assetId: json['asset_id'] as String? ?? '',
-        currentSupply: bigIntFromDynamic(json['current_supply']),
-        decimalPoint: json['decimal_point'] as int? ?? 12,
-        fullName: json['full_name'] as String? ?? '',
-        hiddenSupply: json['hidden_supply'] as bool? ?? false,
-        metaInfo: json['meta_info'] as String? ?? '',
-        owner: json['owner'] as String? ?? '',
-        ticker: json['ticker'] as String? ?? '',
-        totalMaxSupply: bigIntFromDynamic(json['total_max_supply']),
-        isInGlobalWhitelist: isInGlobalWhitelist,
-      );
-
+  factory ZanoAsset.fromJson(Map<String, dynamic> json, {bool isInGlobalWhitelist = false}) {
+    Map<String, dynamic>? info;
+    try {
+      info = jsonDecode((json['meta_info'] as String?) ?? '{}') as Map<String, dynamic>?;
+    } catch (_) {}
 
+    return ZanoAsset(
+      assetId: json['asset_id'] as String? ?? '',
+      currentSupply: bigIntFromDynamic(json['current_supply']),
+      decimalPoint: json['decimal_point'] as int? ?? 12,
+      fullName: json['full_name'] as String? ?? '',
+      hiddenSupply: json['hidden_supply'] as bool? ?? false,
+      metaInfo: json['meta_info'] as String? ?? '',
+      owner: json['owner'] as String? ?? '',
+      ticker: json['ticker'] as String? ?? '',
+      iconPath: info?['logo_url'] as String? ?? '',
+      totalMaxSupply: bigIntFromDynamic(json['total_max_supply']),
+      isInGlobalWhitelist: isInGlobalWhitelist,
+      info: info,
+    );
+  }
 
   static const typeId = ZANO_ASSET_TYPE_ID;
-  static const zanoAssetsBoxName = 'zanoAssetsBox';    
+  static const zanoAssetsBoxName = 'zanoAssetsBox';
   static const defaultOwner = '0000000000000000000000000000000000000000000000000000000000000000';
 }
 
@@ -114,4 +128,4 @@ BigInt bigIntFromDynamic(dynamic d) {
     throw 'cannot cast value of type ${d.runtimeType} to BigInt';
     //return BigInt.zero;
   }
-}
\ No newline at end of file
+}