use bigint to the core types

Author: bigmontz

core/src/types.ts

@@ -60,6 +60,7 @@ export interface Config {
   connectionAcquisitionTimeout?: number
   connectionTimeout?: number
   disableLosslessIntegers?: boolean
+  useBigInt?: boolean
   logging?: LoggingConfig
   resolver?: (address: string) => string[] | Promise<string[]>
   userAgent?: string