@ledgerhq/live-common/src/exchange/providers/sell.ts

Common ground for the Ledger Live apps

import { ExchangeProviderNameAndSignature } from ".";
import calService from "@ledgerhq/ledger-cal-service";

const testSellProvider: ExchangeProviderNameAndSignature = {
  name: "SELL_TEST",
  publicKey: {
    curve: "secp256k1",
    data: Buffer.from(
      "0478d5facdae2305f48795d3ce7d9244f5060d2f800901da5746d1f4177ae8d7bbe63f3870efc0d36af8f91962811e1d8d9df91ce3b3ea2cd9f550c7d465f8b7b3",
      "hex",
    ),
  },
  signature: Buffer.from(
    "30440220471b035b40dafa095d615998c82202b2bd00fb45670b828f1dda3b68e5b24cc3022022a1c64d02b8c14e1e4cc2d05b00234642c11db3d4461ff5366f5af337cf0ced",
    "hex",
  ),
  version: 2,
};

export const fetchAndMergeProviderData = async env => {
  try {
    const sellProvidersData = await calService.getProvidersData({
      type: "sell",
      ...env,
    });
    return { ...sellProvidersData };
  } catch (error) {
    console.error("Error fetching or processing provider data:", error);
  }
};

export const getSellProvider = async ({
  providerId,
  ledgerSignatureEnv,
  partnerSignatureEnv,
}): Promise<ExchangeProviderNameAndSignature> => {
  if (ledgerSignatureEnv === "test") {
    return testSellProvider;
  }
  const res = await fetchAndMergeProviderData({ ledgerSignatureEnv, partnerSignatureEnv });
  if (!res) {
    throw new Error("Failed to fetch provider data");
  }
  const provider = res[providerId];
  if (!provider) {
    throw new Error(`Unknown partner ${providerId}`);
  }

  return provider;
};