Class CrossChainClient

cross-chain-headless-example/src/crossChainClient.ts:10–136

} from "./schemas";

export class CrossChainClient {
  private readonly apiKey: string;
  private readonly baseUrl: string;

  constructor(apiKey: string, baseUrl = "https://api.0x.org") {
    this.apiKey = apiKey;
    this.baseUrl = baseUrl;
  }

  /**
   * Get multiple quotes for a cross-chain swap
   */
  async getQuotes(
    request: CrossChainQuotesRequest
  ): Promise<CrossChainQuotesResponse> {
    const url = new URL("/cross-chain/quotes", this.baseUrl);

    // Add query parameters
    Object.entries(request).forEach(([key, value]) => {
      if (value !== undefined) {
        url.searchParams.append(key, value.toString());
      }
    });

    const response = await fetch(url.toString(), {
      method: "GET",
      headers: {
        "0x-api-key": this.apiKey,
        "Content-Type": "application/json",
      },
    });

    if (!response.ok) {
      const errorText = await response.text();
      throw new Error(
        `Failed to fetch quotes: ${response.status} ${response.statusText}\n${errorText}`
      );
    }

    const data = await response.json();
    return CrossChainQuotesResponseSchema.parse(data);
  }

  /**
   * Get the status of a cross-chain transaction
   */
  async getStatus(
    request: CrossChainStatusRequest
  ): Promise<CrossChainStatusResponse> {
    const url = new URL("/cross-chain/status", this.baseUrl);

    // Add query parameters
    Object.entries(request).forEach(([key, value]) => {
      if (value !== undefined) {
        url.searchParams.append(key, value.toString());
      }
    });