edge/pkg/sdk/client/src/rpc-error.ts

export class RPCError extends Error {
  code: string
  data: any

  constructor(code, message, data) {
    super(message);
    this.code = code;
    this.data = data;
    if((Error as any).captureStackTrace) (Error as any).captureStackTrace(this, RPCError);
  }
}