feat: set ironbank tvl to 0 after 2022-01-22T00:00:00Z because they l…

…aunched as a separate product.

yearn/ironbank.py

@@ -1,6 +1,7 @@
 from collections import defaultdict
 from dataclasses import dataclass
 from functools import cached_property
+from datetime import datetime
 
 from brownie import Contract, chain
 from brownie.network.contract import InterfaceContainer
@@ -13,7 +14,7 @@
 from yearn.networks import Network
 from yearn.prices.compound import get_fantom_ironbank
 from yearn.prices.compound import compound
-from yearn.utils import contract
+from yearn.utils import contract, get_block_timestamp
 import logging
 
 logger = logging.getLogger(__name__)
@@ -75,6 +76,9 @@ def ironbank(self):
         return contract(addr) if isinstance(addr, str) else addr()
 
     def describe(self, block=None):
+        block_ts = get_block_timestamp(block)
+        snapshot_ts = datetime.strptime('2022-01-22T00:00:00Z','%Y-%m-%dT%H:%M:%SZ').timestamp()
+
         markets = self.active_vaults_at(block)
         blocks_per_year = 365 * 86400 / 15
         contracts = [m.vault for m in markets]
@@ -103,7 +107,11 @@ def describe(self, block=None):
             for attr in ["getCash", "totalBorrows", "totalReserves"]:
                 res[attr] /= 10 ** m.decimals
 
-            tvl = (res["getCash"] + res["totalBorrows"] - res["totalReserves"]) * price
+            if block_ts > snapshot_ts:
+                tvl = 0
+            else:
+                tvl = (res["getCash"] + res["totalBorrows"] - res["totalReserves"]) * price
+
             supplied = res["getCash"] + res["totalBorrows"] - res["totalReserves"]
             ratio = res["totalBorrows"] / supplied if supplied != 0 else None