import { BigNumber } from "@ethersproject/bignumber"; export class UnknownSignerError extends Error { constructor( public data: { from: string; to: string; data?: string; value?: string | BigNumber; contract?: { name: string; method: string; args: any[] }; } ) { super( `Unknown Signer for account: ${ data.from } Trying to execute the following::\n ${JSON.stringify(data, null, " ")}` ); Error.captureStackTrace(this, UnknownSignerError); } }