feat: add new condition

Author: arlgnv

package.json

@@ -134,6 +134,5 @@
       "last 1 safari version"
     ]
   },
-  "license": "GPL-3.0-or-later",
-  "dependencies": {}
+  "license": "GPL-3.0-or-later"
 }

src/utils/currencyId.ts

@@ -2,6 +2,7 @@ import { Currency } from '@alagunoff/uniswap-sdk-core'
 
 export function currencyId(currency: Currency): string {
   if (currency.isEther) return 'ETH'
+  if (currency.isPol) return 'POL'
   if (currency.isToken) return currency.address
   throw new Error('invalid currency')
 }