sudoswap为何大火?5分钟带你全面了解

F2022-09-02 tarihinde yayınlandı2022-09-02 tarihinde güncellendi

Özet

sudoAMM 在发布一个月之后的交易量达到 800 万美元,总用户数量有 4879 人。本篇文章将对 sudoswap 团队、特点、发币规划等进行解读。

Uniswap 在收购 NFT 聚合市场 Genie 之后,又宣布将通过 sudoswap 实现 NFT 交易,而就在 Uniswap 官宣该合作关系前的半个月,最开始作为 NFT 场外交易平台的 sudoswap 推出了 NFT 链上市场协议 sudoAMM。

根据 Dune 数据,截止撰稿时,sudoAMM 在发布一个月之后的交易量达到 800 万美元,总用户数量有 4879 人。本篇文章将对 sudoswap 团队、特点、发币规划等进行解读。

sudoswap 发展和团队

sudoswap 由匿名开发者 @0xmons 构建,最早在 2021 年二季度推出专为 NFT 设计的点对点交易平台 Alpha 版本,该版本由 0x V2 提供支持,允许用户在 ERC-20、ERC-721 和 ERC-1155 类资产中任意兑换,在完成兑换时资产才发生转移。简单来说,用户 A 创建兑换请求,再将该兑换链接发给指定用户 B(或者允许任何人购买),然后用户 B 再接受交易,同时资产完成转移。

sudoswap 最新推出的 sudoAMM 其实也是 0xmons 一开始就设想好的 NFT AMM 协议(即 LSSVM)和 sudoswap 的重大升级。LSSVM 原型由许多单独的 NFT 池组成,每个池由一个流动性提供者管理,并由自定义联合曲线参数化,然后交易者可以在一个 NFT 池中或者跨多个池进行交易。

除 0xmons 外,sudoAMM 的初始开发团队还包括智能合约负责人 BoredGenius 和后端开发者 0xhamachi,BoredGenius 也是 Timeless Finance、 88mph 、Astrodrop 等协议的构建者。

0xmons 在去年 12 月份表示,其团队没有 VC,今年 3 月底时其表示,sudoAMM 的开发和审计费用一直是自费的,智能合约已经过 Spearbit 和 ABDK 的审计,之后会在 Github 上开源。

sudoAMM 有何特点?

sudoAMM 目前仅支持 ERC-721 NFT,之后将发布对 ERC1155、ERC20 代币路由的支持,当前提供创建 NFT 单边池(供购买或出售 NFT 的池)以及 ETH 和 NFT 双边池,不过只有双边池流动性提供者可以赚取交易费用。sudoAMM 主打的特点是平台交易费用低(仅 0.5%)、链上流动性池、无版税和低 Gas。此外,sudoAMM 还在用户体验上也做了进一步的优化,包括系列报价、购物车、地板价扫货功能。

sudoswap 表示,sudoAMM 的逻辑和代码均进行了针对性优化,旨在为交易者节省 Gas 费用,在批量交易 NFT 时,sudoAMM 可以便宜最多 40% 的 Gas 费用。

流动性池方面,流动性提供者可以仅存入代币(目前仅支持 ETH)并指定要购买或者出售的 NFT 系列、NFT 数量、起始价格以及定价函数。sudoAMM 有两个非常简单的定价函数:线性曲线和指数曲线。每次有人与具有线性曲线的池进行交易时,池的定价将增加或减少一个固定量。每次有人与具有指数曲线的池进行交易时,池的定价将乘以固定金额。

来源:https://blog.0xmons.xyz/83017366310

这里着重介绍下 sudoAMM 的价格设置,用户可以选择线性曲线或指数曲线中的一种,然后设置 Delta 值,Delta 值也可以为 0。在池创建结束后,用户也可以选择继续存入 NFT 或者更改价格数据。

比如,创建出售 5 个 NFT 的池子时,设置起始价格为 2 ETH,若选择线性曲线且 Delta 值设为 0.5,那么,第一个 NFT 的价格为 2 ETH,第二个为 2.5 ETH,第三个为 3 ETH,以此类推;若选择指数曲线且 Delta 值设置为 50%,则第二个 NFT 的价格为 3 ETH,第三个为 4.5 ETH。

sudoAMM 的系列报价其实也相当于创建 NFT 购买池,可以选择线性曲线或者指数曲线,与 OpenSea 等不同的是,由于 sudoAMM 是链上流动性协议,所以报价时所用的代币会被托管到用户拥有的池合约中,当然也可以随时从该合约中提款。

双边池中,流动性提供者可以自行设置费用,以及自定义该池可以购买和出售的 NFT 上限。比如,假设在一个最初有 10 ETH 和 10 NFT 的指数曲线池中,Delta 值为 10%,在这个池子中,购买或出售一个 NFT 时会价格会发生变动,不过会比 x*y=k 曲线的变动幅度更小,池子在出售最后一个 NFT 时的价格为 2.358 ETH,而不是无穷大。

从 sudoAMM 池子中有 10 个 ETH 和 10 个 NFT 开始,交易者每购买或出售一个 NFT 时所需的 ETH

x*y=k 池子中,交易者每购买或出售一个 NFT 时所需的 ETH

另外,sudo AMM 中滑点也是固定的。由于价格变动比较窄,所以如果一次性购买或出售多个 NFT,交易的平均价格也要更低一些。具体可以参考 0xmons 此前发布的 sudoAMM 和常数乘积(x*y=k)的对比。

从智能合约方面来看,在创建新池时,由于每个流动性池都有一个与创建者关联并由其拥有的独特智能合约,因此也不会收到代表流动性头寸的代币。

根据 sudoswap 官方文档页面,之后在该协议上即时出售 NFT 时,会尽量以尽可能最优的价格出售到联合曲线。不过目前还没有即时出售 NFT 的功能。

也许是最关键的问题,sudoswap 是否会发币?

其实,0xmons 早在去年年底就表示,「会发布 SUDO 代币,NFT AMM 发布之后就会逐步转向 DAO ,将代币提上日程表。由于没有 VC,所以应该会对团队和社区分配比较慷慨的空投,社区方面主要考虑 XMON 持有者和 0xmons NFT 持有者。」在官宣 sudoAMM 时,sudoswap 也强调,sudoAMM 协议将由 SUDO 治理代币管理,之后会公布 SUDO 代币的分发细节以及针对 XMON 持有者的效用。

2020 年年底,0xmons 发布过数字收藏品系列 0xmons,灵感来自 Pokemon、SCP 和 Lovecraft,有 NFT 和 代币 XMON 两部分,其中,0xmons NFT 总供应量仅有 341 个,目前地板价为 20 ETH,代币 XMON 最大供应量为 1 万个,当前报价高达 3.4 万美元,在近一个月涨近 5 倍,一年内涨幅超 15 倍,代币完全稀释后的估值为 3.4 亿美元。

可以猜测,sudoswap 空投优先考虑的对象为 0xmons NFT 持有者、XMON 代币持有者、sudoswap 场外交易平台以及新发布的 sudoAMM 的交互用户。目前在 sudoAMM 可以进行的操作是提供流动性、上架 NFT、(系列)报价等。

小结

综上可以发现,sudoAMM 在流动性提供、交易时的灵活性和效率方面作了比较大幅度的改进,比如允许提供 NFT 或 ETH 的单边流动性池、NFT 与 ETH 配对、可随时调整流动性池参数、双边池创建者可自行设置费用、定价曲线的可选择性等。

不过,由于 sudoAMM 完全在链上,所以诸如上架或撤销上架 NFT、出价、接收报价这样的操作都需要支付 Gas 费,虽然,sudoswap 声称能有效降低所需的 Gas 费用,但对于频繁操作的 NFT Degen 或者在以太坊网络拥堵时也是一笔不小的花费。

另外,在 sudoAMM 中,上架或者出价 NFT 时对应的 ETH 和 NFT 都要存入托管,抛开安全问题,这尤其是对一些带有附加效用(如治理、潜在空投、服务访问甚至展示)的 NFT 来说吸引力不大,对于 NFT 购买方来说 sudoAMM 的资金效率要远低于 OpenSea。更为重要的是,当前绝大多数热门 NFT 系列都存在稀有属性,驱动合理的定价对于 sudoAMM 来说也是一个相当大的挑战。

至于 Uniswap 此前所公布的将通过 sudoswap 实现 NFT 交易,能在多大程度上推动引导 sudoAMM 的深度和流动性,还有待观察。

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