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pro tip: 如何正确使用 Flashbots?

1/ 通过 Flashbots 发送交易时,只有交易成功时才支付矿工费,更节约交易成本。

可以减少在 Uniswap Dex 上兑换被夹的可能(当前版本 v0.4,交易未隐私,仍可以被 relayer 和矿工看到);避免在 Opensea 扫地板时被别人抢先扫掉,交易 reverted 仍然需要支付 gas。
2/ 在 metamask 中配置 Flashbots RPC

选择 Custom RPC 添加网络,正确填写以下信息(仅适用于以太坊主网)。

网络名称: Flashbots RPC
新增 RPC URL: rpc.flashbots.net
链 ID: 1
Currency Symbol: ETH

docs.flashbots.net/flashbots-prot…
3/ 检查 metamask 是否正确选择 Flashbots RPC 网络

通过 Flashbots RPC 网络发送交易,长时间未被打包会被丢弃;这时需要注意的是,如果有进行中的交易,不能切换网络至以太坊主网,否则会将交易发送给以太坊主网的 RPC 节点,导致失败交易被打包,从而浪费 gas。

#flashbots #flashnft
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