add top10 canvas to historyDownload.py

change size of top10 canvas *2
change README to mention that we do power of 2 now

README.md

@@ -131,7 +131,7 @@ Meaning of some values:
 | Key    | Description                                                     |
 |--------|:----------------------------------------------------------------|
 | ident  | Unique character used in the url                                |
-| size   | canvas size, power of 4 and between 256 and 65536               |
+| size   | canvas size, power of 2 and between 256 and 65536               |
 | bcd    | Base cooldown for unset pixels                                  |
 | pcd    | Cooldown for placing on set pixels (defaults to same as bcd)    |
 | cds    | Stack time of Cooldown                                          |

src/canvases.json

@@ -297,7 +297,13 @@
       [ 67, 52, 85 ],
       [ 0, 0, 0 ]
     ],
-    "size": 1024,
+    "size": 2048,
+    "historicalSizes": [
+      [
+        "20220626",
+        1024
+      ]
+    ],
     "bcd": 15000,
     "cds": 900000,
     "req": "top",

utils/historyDownload.py

@@ -54,6 +54,15 @@ canvases = [
             "canvas_id": 7,
             "bkg": (0, 0, 0),
         },
+        {
+            "canvas_name": "top10",
+            "canvas_size": 2048,
+            "canvas_id": 8,
+            "bkg": (197, 204, 184),
+            "historical_sizes" : [
+                    ["20220626", 1024],
+                ]
+        },
     ]
 
 async def fetch(session, url, offx, offy, image, bkg, needed = False):