feat: Added apis to read collection and asset traits from opensea (#30)

status/wallet2/account.nim

@@ -1,4 +1,4 @@
-import options, json, strformat
+import Tables, options, json, strformat, strutils
 
 from ../../eventemitter import Args
 import ../types/[transaction]
@@ -10,13 +10,21 @@ type CollectibleList* = ref object
 type Collectible* = ref object
     name*, image*, id*, collectibleType*, description*, externalUrl*: string
 
+type OpenseaCollectionTrait* = ref object
+    min*, max*: float
+
 type OpenseaCollection* = ref object
     name*, slug*, imageUrl*: string
     ownedAssetCount*: int
+    trait*: Table[string, OpenseaCollectionTrait]
+
+type OpenseaTrait* = ref object
+    traitType*, value*, displayType*, maxValue*: string
 
 type OpenseaAsset* = ref object
     id*: int
-    name*, description*, permalink*, imageThumbnailUrl*, imageUrl*, address*: string
+    name*, description*, permalink*, imageThumbnailUrl*, imageUrl*, address*, backgroundColor*: string
+    properties*, rankings*, statistics*: seq[OpenseaTrait]
 
 type CurrencyArgs* = ref object of Args
     currency*: string
@@ -33,6 +41,18 @@ type WalletAccount* = ref object
     collectiblesLists*: seq[CollectibleList]
     transactions*: tuple[hasMore: bool, data: seq[Transaction]]
 
+type TraitType* {.pure.} = enum
+  Properties = 0,
+  Rankings = 1,
+  Statistics = 2
+
+proc isNumeric(s: string): bool =
+  try:
+    discard s.parseFloat()
+    result = true
+  except ValueError:
+    result = false
+
 proc newWalletAccount*(name, address, iconColor, path, walletType, publicKey: string,
   wallet, chat: bool, assets: seq[Asset]): WalletAccount =
   result = new WalletAccount
@@ -55,16 +75,40 @@ proc `$`*(self: OpenseaCollection): string =
   return fmt"OpenseaCollection(name:{self.name}, slug:{self.slug}, owned asset count:{self.ownedAssetCount})"
 
 proc `$`*(self: OpenseaAsset): string =
-  return fmt"OpenseaAsset(id:{self.id}, name:{self.name}, address:{self.address}, imageUrl: {self.imageUrl}, imageThumbnailUrl: {self.imageThumbnailUrl})"
+  return fmt"OpenseaAsset(id:{self.id}, name:{self.name}, address:{self.address}, imageUrl: {self.imageUrl}, imageThumbnailUrl: {self.imageThumbnailUrl}, backgroundColor: {self.backgroundColor})"
+
+proc getOpenseaCollectionTraits*(jsonCollection: JsonNode): Table[string, OpenseaCollectionTrait] =
+    var traitList: Table[string, OpenseaCollectionTrait] = initTable[string, OpenseaCollectionTrait]()
+    for key, value in jsonCollection{"traits"}:
+        traitList[key] = OpenseaCollectionTrait(min: value{"min"}.getFloat, max: value{"max"}.getFloat)
+    return traitList
 
 proc toOpenseaCollection*(jsonCollection: JsonNode): OpenseaCollection =
     return OpenseaCollection(
         name: jsonCollection{"name"}.getStr,
         slug: jsonCollection{"slug"}.getStr,
         imageUrl: jsonCollection{"image_url"}.getStr,
-        ownedAssetCount: jsonCollection{"owned_asset_count"}.getInt
+        ownedAssetCount: jsonCollection{"owned_asset_count"}.getInt,
+        trait: getOpenseaCollectionTraits(jsonCollection)
     )
 
+proc getOpenseaTraits*(jsonAsset: JsonNode, traitType: TraitType): seq[OpenseaTrait] =
+    var traitList: seq[OpenseaTrait] = @[]
+    case traitType:
+        of TraitType.Properties:
+            for index in jsonAsset{"traits"}.items:
+                if((index{"display_type"}.getStr != "number") and (index{"display_type"}.getStr != "boost_percentage") and (index{"display_type"}.getStr != "boost_number") and not isNumeric(index{"value"}.getStr)):
+                    traitList.add(OpenseaTrait(traitType: index{"trait_type"}.getStr, value: index{"value"}.getStr, displayType: index{"display_type"}.getStr, maxValue: index{"max_value"}.getStr))
+        of TraitType.Rankings:
+            for index in jsonAsset{"traits"}.items:
+                if(index{"display_type"}.getStr != "number" and (index{"display_type"}.getStr != "boost_percentage") and (index{"display_type"}.getStr != "boost_number") and isNumeric(index{"value"}.getStr)):
+                    traitList.add(OpenseaTrait(traitType: index{"trait_type"}.getStr, value: index{"value"}.getStr, displayType: index{"display_type"}.getStr, maxValue: index{"max_value"}.getStr))
+        of TraitType.Statistics:
+            for index in jsonAsset{"traits"}.items:
+                if(index{"display_type"}.getStr == "number" and (index{"display_type"}.getStr != "boost_percentage") and (index{"display_type"}.getStr != "boost_number") and isNumeric(index{"value"}.getStr)):
+                    traitList.add(OpenseaTrait(traitType: index{"trait_type"}.getStr, value: index{"value"}.getStr, displayType: index{"display_type"}.getStr, maxValue: index{"max_value"}.getStr))
+    return traitList
+
 proc toOpenseaAsset*(jsonAsset: JsonNode): OpenseaAsset =
     return OpenseaAsset(
         id: jsonAsset{"id"}.getInt,
@@ -73,5 +117,9 @@ proc toOpenseaAsset*(jsonAsset: JsonNode): OpenseaAsset =
         permalink: jsonAsset{"permalink"}.getStr,
         imageThumbnailUrl: jsonAsset{"image_thumbnail_url"}.getStr,
         imageUrl: jsonAsset{"image_url"}.getStr,
-        address: jsonAsset{"asset_contract"}{"address"}.getStr
-    )
+        address: jsonAsset{"asset_contract"}{"address"}.getStr,
+        backgroundColor: jsonAsset{"background_color"}.getStr,
+        properties: getOpenseaTraits(jsonAsset, TraitType.Properties),
+        rankings: getOpenseaTraits(jsonAsset, TraitType.Rankings),
+        statistics: getOpenseaTraits(jsonAsset, TraitType.Statistics)
+    )