# NFT如何提前授权，第一时间在opensea上挂单卖出

By [minmin](https://paragraph.com/@minmin-2) · 2022-05-05

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打开opeasea的合约地址 0xa5409ec958C83C3f309868babACA7c86DCB077c1

[https://etherscan.io/address/0xa5409ec958c83c3f309868babaca7c86dcb077c1#code](https://etherscan.io/address/0xa5409ec958c83c3f309868babaca7c86dcb077c1#code)

输入你的钱包地址，就会获得你注册opensea时的合约地址

![](https://storage.googleapis.com/papyrus_images/2bea77cc6f2089f61a0a565cc7405bfe71c0730be2062f0b93317f712a2d5cd9.png)

以授权pxn为例，0x160C404B2b49CBC3240055CEaEE026df1e8497A0

[https://etherscan.io/address/0x160C404B2b49CBC3240055CEaEE026df1e8497A0#writeContract](https://etherscan.io/address/0x160C404B2b49CBC3240055CEaEE026df1e8497A0#writeContract)

连接metamask，第一行填写刚才的合约地址，第二行填写true，发送交易，即可完成提前授权

![](https://storage.googleapis.com/papyrus_images/6d66fc46d134a0e37e0e424e753f8cf562cbffef491abd2867a8e1a2f9638a53.png)

更新一下，没有开源的合约如何进行授权

找到你需要授权的nft合约地址，还是以上面的pxn为例

打开小狐狸，发送地址写pxn的合约地址，金额写0

![](https://storage.googleapis.com/papyrus_images/18cd86f846465531a3eb29bfb0c7a6b8a8102a97d09853ca9482b9d1eba4f43d.png)

发送data

0xa22cb465000000000000000000000000`这里替换第一步你自己的合约地址`0000000000000000000000000000000000000000000000000000000000000001

注意上面的data需要去掉0x，举例，如果你读取到的合约地址是

0xa5409ec958c83c3f309868babaca7c86dcb077c1

那么你应该发送的data的数据为：

0xa22cb465000000000000000000000000a5409ec958c83c3f309868babaca7c86dcb077c10000000000000000000000000000000000000000000000000000000000000001

欢迎关注我的推特 [@Min\_min372](https://twitter.com/Min_min372)

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*Originally published on [minmin](https://paragraph.com/@minmin-2/nft-opensea)*