增加get_coin_withdrawal接口

pybit/_v5_account.py

@@ -25,6 +25,25 @@ def get_wallet_balance(self, **kwargs):
             auth=True,
         )
 
+    def get_coin_withdrawal(self, **kwargs):
+        """Query the available amount to transfer of a specific coin in the Unified wallet.
+
+        Required args:
+            coinName (string): Coin name, uppercase only
+
+        Returns:
+            Request results as dictionary.
+
+        Additional information:
+            https://bybit-exchange.github.io/docs/v5/account/unified-trans-amnt
+        """
+        return self._submit_request(
+            method="GET",
+            path=f"{self.endpoint}{Account.GET_COIN_WITHDRAWAL}",
+            query=kwargs,
+            auth=True,
+        )
+
     def upgrade_to_unified_trading_account(self, **kwargs):
         """Upgrade Unified Account
 

pybit/account.py

@@ -3,6 +3,7 @@
 
 class Account(str, Enum):
     GET_WALLET_BALANCE = "/v5/account/wallet-balance"
+    GET_COIN_WITHDRAWAL = "/v5/account/withdrawal"
     UPGRADE_TO_UNIFIED_ACCOUNT = "/v5/account/upgrade-to-uta"
     GET_BORROW_HISTORY = "/v5/account/borrow-history"
     REPAY_LIABILITY = "/v5/account/quick-repayment"