four-flap-meme-sdk/dist/clients/four.js

SDK for Flap bonding curve and four.meme TokenManager

export class FourClient {
    constructor(cfg) {
        // 默认使用 Cloudflare Workers 代理，已配置 CORS，浏览器可直接使用
        this.baseUrl = cfg?.baseUrl || 'https://throbbing-shape-a160.paulalsop072.workers.dev';
    }
    async generateNonce(req) {
        const r = await fetch(`${this.baseUrl}/v1/private/user/nonce/generate`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(req),
        });
        const j = await r.json();
        // code 可能是字符串 '0' 或数字 0
        if (j.code !== '0' && j.code !== 0) {
            throw new Error(`generateNonce failed: ${JSON.stringify(j)}`);
        }
        return j.data;
    }
    async loginDex(body) {
        const r = await fetch(`${this.baseUrl}/v1/private/user/login/dex`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            body: JSON.stringify(body),
        });
        const j = await r.json();
        if (j.code !== '0' && j.code !== 0) {
            throw new Error(`login failed: ${JSON.stringify(j)}`);
        }
        return j.data; // access_token
    }
    async uploadImage(accessToken, file, filename) {
        const form = new FormData();
        // 如果提供了文件名，使用它；否则根据 MIME 类型生成
        const finalFilename = filename || this.getFilenameFromBlob(file);
        form.append('file', file, finalFilename);
        const r = await fetch(`${this.baseUrl}/v1/private/token/upload`, {
            method: 'POST',
            headers: { 'meme-web-access': accessToken },
            body: form,
        });
        const j = await r.json();
        if (j.code !== '0' && j.code !== 0) {
            throw new Error(`upload failed: ${JSON.stringify(j)}`);
        }
        return j.data; // imgUrl
    }
    getFilenameFromBlob(blob) {
        const mimeToExt = {
            'image/jpeg': 'jpg',
            'image/jpg': 'jpg',
            'image/png': 'png',
            'image/gif': 'gif',
            'image/bmp': 'bmp',
            'image/webp': 'webp',
        };
        const ext = mimeToExt[blob.type] || 'png';
        return `image-${Date.now()}.${ext}`;
    }
    async createToken(accessToken, req) {
        const r = await fetch(`${this.baseUrl}/v1/private/token/create`, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json', 'meme-web-access': accessToken },
            body: JSON.stringify(req),
        });
        const j = await r.json();
        if (j.code !== '0' && j.code !== 0) {
            throw new Error(`createToken failed: ${JSON.stringify(j)}`);
        }
        return j.data;
    }
    async getPublicConfig() {
        const r = await fetch(`${this.baseUrl}/v1/public/config`);
        return await r.json();
    }
    async getTokenByAddress(address, accessToken) {
        const r = await fetch(`${this.baseUrl}/v1/private/token/get?address=${address}`, {
            headers: accessToken ? { 'meme-web-access': accessToken } : undefined,
        });
        const j = await r.json();
        if (j.code && j.code !== '0' && j.code !== 0) {
            throw new Error(`getTokenByAddress failed: ${JSON.stringify(j)}`);
        }
        return j.data ?? j;
    }
    async getTokensByAddresses(addresses, accessToken) {
        if (!Array.isArray(addresses) || addresses.length === 0)
            return [];
        const tasks = addresses.map((addr) => this.getTokenByAddress(addr, accessToken).catch((e) => ({ address: addr, error: String(e) })));
        return await Promise.all(tasks);
    }
    async getTokenById(id, accessToken) {
        const r = await fetch(`${this.baseUrl}/v1/private/token/getById?id=${id}`, {
            headers: accessToken ? { 'meme-web-access': accessToken } : undefined,
        });
        const j = await r.json();
        if (j.code && j.code !== '0' && j.code !== 0) {
            throw new Error(`getTokenById failed: ${JSON.stringify(j)}`);
        }
        return j.data ?? j;
    }
}
export function buildLoginMessage(nonce) {
    return `You are sign in Meme ${nonce}`;
}