Score SBTs

import { type Result } from "./type";

export const isHolder = async (address: string) => {
  try {
    const res = await fetch(
      `https://nomis.cc/api/{slug}/holder?address=${address}`,
    );

    if (!res.ok) throw new Error();

    const data = (await res.json()) as Result;

    if ("message" in data) throw new Error();

    return data.isHolder ?? false;
  } catch (error) {
    return false;
  }
};

console.log(await isHolder("0x..."));

type Result =
  | {
      owner: string;
      isHolder: boolean;
      chainId: string;
      version: string | null;
      calculationModel: string;
      score: number | null;
      tokenId: string | null;
      updated_s: string | null;
      updated_ms: number | null;
    }
  | { message: string };

curl -L https://nomis.cc/api/blast/holder?address=0x2C0356a346471A6502EbEC941752a7FE43536422

{
  "owner": "0x2C0356a346471A6502EbEC941752a7FE43536422",
  "isHolder": true,
  "chainId": "81457",
  "version": "0.9",
  "calculationModel": "11",
  "score": 7.19,
  "tokenId": "2",
  "updated_s": "1709257523",
  "updated_ms": 1709257523000
}

{
  "owner": "0x2C0356a346471A6502EbEC941752a7FE43536422",
  "isHolder": false,
  "chainId": "81457",
  "version": null,
  "calculationModel": "11",
  "score": null,
  "tokenId": null,
  "updated_s": null,
  "updated_ms": null
}

type Result = {
  owner: string;
  isHolder: boolean;
  chainId: string;
  version: string | null;
  calculationModel: string;
  score: number | null;
  tokenId: string | null;
  updated_s: string | null;
  updated_ms: number | null;
};

{
  "message": "Provided address is not a zksync address"
}

type Res = {
  message: string;
};