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公告 Gate.io 关于平台内YAM兑换为YAMv2的说明
Gate.io 关于平台内YAM兑换为YAMv2的说明
2020-08-21 02:38:15 UTC+8 117208 阅读
YAM官方已经发布通过审计后的YAMv2迁移合约,YAM用户可以通过合约销毁老的YAM币而获得新的YAMv2币,兑换比例按原始数量计算,不受YAM的rebase影响。

YAM官方说明详情请见:https://medium.com/@yamfinance/yam-migration-live-955c63766ab8

因为YAM已经经过了几次Rebase调仓操作,需要换算为Rebase调仓之前的原始数量后才能知道兑换为YAMv2的数量。Gate.io平台在2020年8月13日4:00(UTC+8)的第一次调仓,之后每12小时一次,总计进行的6次YAM调仓历史如下:

2020年8月13日04:00(UTC+8)第1次调仓数量变为之前的9.3073661945倍 (也就是增加9.30-1=8.3倍,下同)
2020年8月13日16:00(UTC+8)第2次调仓数量变为之前的2.0178073329倍
2020年8月14日04:00(UTC+8)第3次调仓数量变为之前的0.9525711978倍
2020年8月14日16:00(UTC+8)第4次调仓数量变为之前的0.9491657367倍
2020年8月15日04:00(UTC+8)第5次调仓数量变为之前的0.9665174273倍
2020年8月15日16:00(UTC+8)第6次调仓数量变为之前的0.9740397059倍

此后根据Gate.io公告《Gate.io 关于平台内YAM暂停跟随区块链Rebase调仓和关闭充提等待迁移的说明》,平台内YAM停止跟随区块链调仓操作,每位持仓用户可以到我的账户-》账单明细中,选择“币种基数调整”分类 查看详情

因此Gate.io平台内的YAM转换为调仓前原始YAM的系数为:
9.3073661945*2.0178073329*0.9525711978*0.9491657367*0.9665174273*0.9740397059=15.9857253054

因此平台内YAM兑换为YAMv2的比例为15.9857253054 YAM:1 YAMV2。

Gate.io将于2020年8月21日16:00(UTC+8)停止YAM交易,并按照15.9857253054 YAM:1 YAMV2为用户将所有的YAM兑换为YAMV2,并且将于2020年8月21日18:00(UTC+8)开启YAMV2交易,交易地址为:

https://www.gate.io/trade/YAMV2_USDT

目前YAMV2充值已经开通,平台之外完成YAM到YAM2兑换的用户,可以充值到以下地址等待交易:

https://www.gate.io/myaccount/deposit/YAMV2

请务必注意,YAMV2开通充值和交易后,场外资金将会进入平台参与交易,引起流通量大幅上升,可能引起价格剧烈波动,请务必提前留意价格变化,提前调整订单,切勿追高造成损失。

Gate.io将根据YAM官方消息,在启动YAMv3迁移时,为用户将YAMv2迁移到YAMv3,并将重新开启YAMV3交易。在Gate.io关闭YAM充值之后误充到平台的YAM请提交工单与客服联系,我们将根据充值时间换上为原始YAM数量为用户兑换为YAM2,因充值时间不同,兑换比例也不同。

请务必注意,Gate.io平台之外的YAM在2020年8月16日04:00(UTC+8)和之后持续每12小时一次Rebase调仓,到2020年8月21日00:00(UTC+8)总计额外进行了10次调仓,全部为YAM数量减少调仓。因此Gate.io平台之外的YAM目前执行额外10次数额衰减以后的兑换比例,跟Gate.io平台内不同。根据YAM的兑换原则,按照2020年8月13日4:00(UTC+8)之前的原始YAM为基准进行兑换,因此已经排除了调仓的实际影响,因此用户将YAM放在Gate.io平台内和去中心化钱包上最终能兑换到的YAMV2都是一样的。

请务必注意,Gate.io平台以外的YAM不能自动兑换为YAMv2,并且不到48小时后将不可兑换,存储在平台外去中心化钱包(如Wallet.io)内的YAM,请务必到 https://yam.finance 进行兑换(桌面网页选择Wallet Connect方式,在Wallet.io手机钱包上扫码操作),或者将Wallet.io内到YAM发送到一个Metamask浏览器插件钱包后再到https://yam.finance网站进行兑换。使用Metamask浏览器插件需要自行保管私钥,请务必妥善保管记录助记词和注意安全。兑换完成后可以将YAMv2发送到Gate.io平台进行交易。

很多人并不理解YAM的rebase机制,这里做一下说明,YAM智能合约会根据区块链上YAM的兑换价格(不是Gate平台的价格)每天两次进行Rebase调仓操作,在YAM区块链价格低于预设价格时,减少每个人的持币,高于预设价格时,增加每个人的持币。比如用户持有最开始产出的1个YAM,YAM在2020年8月13日4:00(UTC+8)的第一次调仓的时候给每个人的数量增加了8.3倍,1个YAM持仓就变成了9.3个YAM,12小时候第二次调仓的时候,给每个人1.017倍,最早持有1YAM的用户仓位就变成了18.7个YAM,此后的12小时调仓时给每个用户减少4.8%,最早持有1YAM的用户仓位就变成了17.8024个YAM,后续继续这样进行下去。

Gate.io此前一直严格按照区块链智能合约进行用户持仓调仓。根据官方的迁移说明,YAM迁移到YAM2的时候,将调用智能合约balanceOfUnderlying函数,获取最原始的未调仓前的数量进行兑换,这样就排除了调仓对迁移数量的影响。也就是说,不管调仓如何进行,兑换的时候都会折算为调仓前的数额。比如在2020年8月13日4:00(UTC+8)之前的一个1YAM,在经过几次调仓之后,变成了18.7个YAM,当兑换为YAM2的时候,仍然按照1YAM进行计算。

按照这一原理,如果最终YAM将兑换为YAM2,那么按2020年8月13日4:00(UTC+8)之前的原始YAM为基准,兑换为YAM2的数量已经确定,中间的所有调仓都是没有必要的,唯一的用处就是跟区块链保持同步,以便于能准确处理用户充值和提现。为简化这一过程,避免引起用户的理解困难,Gate.io在2020年8月16日凌晨4:00关闭YAM的提现,平台内的YAM数量将与区块链脱离,停止根据区块链上的YAM合约Rebase操作一起调仓。不管区块链上YAM的数量增加,还是减少,当需要官方YAM2合约部署好之后,Gate.io统一为用户原照原始YAM数量(需要按照之前的调仓历史折算为YAM在2020年8月13日4:00 UTC+8之前的数量)进行迁移到YAM2代币。

附到目前为止的所有YAM链上Rebase调仓原始记录(JSON格式):

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Gate.io
2020年8月21日

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