feat: add nibiru chain

Author: DenSmolonski

apps/tx-builder/src/lib/getAbi.ts

@@ -127,6 +127,8 @@ export enum SUPPORTED_CHAINS {
   VANA_MOKSHA_TESTNET = '14800',
   SOPHON = '50104',
   SOPHON_TESTNET = '531050104',
+  NIBIRU = 6900,
+  NIBIRU_TESTNET = 6911,
 }
 
 const getGatewayBaseUrl = (chain: string) => {
@@ -436,6 +438,14 @@ const getScanAPIBaseURL = (chain: string): undefined | { link: string; apiKey?:
         link: 'https://api-testnet.abscan.org',
         apiKey: process.env.REACT_APP_ABSTRACT_KEY
       }
+    case SUPPORTED_CHAINS.NIBIRU:
+      return {
+        link: 'https://api.routescan.io/v2/network/mainnet/evm/6900/etherscan',
+      }
+    case SUPPORTED_CHAINS.NIBIRU_TESTNET:
+      return {
+        link: 'https://api.routescan.io/v2/network/testnet/evm/6911/etherscan',
+      }
     default:
       return
   }