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ARB will open for application soon, how to approve ARB contract in advance?
区块律动BlockBeats
特邀专栏作者
2023-03-21 07:59
This article is about 453 words, reading the full article takes about 1 minutes
ARB airdrop is coming, are you ready?

ARB application will be open at block height 16890400, according toBlock countdownfirst level title

Steps

According to the official contract address of ARB Token recently announced by Arbitrum on Discord:

0x912CE59144191C1204E64559FE8253a0e49E6548

1. Search the ARB Token contract through the Arbiscan blockchain browser.

2. Read the contract, connect to the wallet, and click the approve contract to edit.

3. Fill in the calling contract address spender and the quantity function amount

Taking Uniswap as an example, if authorized on the Uniswap platform, fill in 0x 00000000002 2D 473030 F 116 dDEE 9 F 6 B 4 3aC 78 BA 3 (Uniswap Permit 2 contract address), which is the contract every time a new Token is Approve.

Fill in the amount of Amount, which requires a unit 256 hash function, so fill in here:

115792089237316195423570985008687907853269984665640564039457584007913129639935 。

image description

(The old version of MetaMask does not need to fill in the custom spending limit)

Click OK to complete the authorization. The transaction record is shown in the figure below.

Finally, BlockBeats reminds users to pay attention to risks when receiving airdrops and follow-up operations. All links and information must be obtained from official documents. Don’t trust any third-party "snap away" scripts and protect your private keys to avoid unnecessary losses. .

Uniswap
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