kleros/kleros-v2

import { gql, type GraphQLClient } from "graphql-request";

type GetNonce = {
  nonce: string;
};

const query = gql`
  mutation GetNonce($address: Address!) {
    nonce(address: $address)
  }
`;

export async function getNonce(client: GraphQLClient, address: string): Promise<string> {
  const variables = {
    address,
  };

  return client
    .request<GetNonce>(query, variables)
    .then((response) => response.nonce)
    .catch((errors) => {
      // eslint-disable-next-line no-console
      console.log("Error fetching nonce for address:", address, { errors });
      const errorMessage = Array.isArray(errors?.response?.errors)
        ? errors.response.errors[0]?.message
        : "Error fetching nonce";
      throw Error(errorMessage);
    });
}