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CRU Claim

If you want to map ERC20 CRU to Crust Preview Network Maxwell and participate in the preview network, you follow this tutorial step by step to claim Maxwell CRU.

Preparation

In order to prevent unknown errors in the claim process, we highly recommend using the following tools to help you in the entire claim process:

Don't worry about being unfamiliar with the following tools, we will teach you how to use them step by step in the following steps.

1. MyEtherWallet
2. ImToken or MetaMask
3. Crust Apps

Steps

0. ⚠️⚠️⚠️ All exchange accounts are not applicable

Using an exchange account to sent a transfer (withdrawal) transaction will be invalidated and cause asset loss. You are responsible for the consequences!

I. Send CRU Claim Transaction

First of all, you need to transfer CRU to Crust Maxwell Claim Address on the Ethereum side. Transfering can be done on any wallet side, but you must pay attention to following points before transfering CRUs:

1. ⚠️ Please make sure you transfer CRU to the Claim Address, not ETH.
2. ⚠️ Make sure you have the authority to make signature with the private key of the account (all accounts created by exchanges are not applicable, please use the wallet with private key stored to perform following steps)
3. ⚠️ Confirm the CRU ERC20: CRUST
4. ⚠️ Crust Maxwell Claim Address: 0x17a9037cdfb24ffcc13697d03c3bcd4dff34732b

Go to the Claim CRU page of Crust Apps

Initiate a CRU transaction to Crust Maxwell Claim Address

Please confirm your transfering is successful and make sure it has at least 6 confirmations, copy the hash value of this successful transaction and click "Continue".

II. Verify transactions and bridge tokens

1. Select the account of Maxwell Preview Network that you want to claim
2. Input the Tx Hash you copied from Step I
3. Click "Continue", this step will wait for a while, backend bridge service will check the legicimacy of your claim transaction. The network may busy for a while, and you will receive a failure hint, if that, you can wait and try it later.

III. Log in to MyEtherWallet and Connect to your wallet

1. Open MyEtherWallet:
   • Click 'MEW wallet'
   • Connect the wallet which you transfer ERC20 CRU(The following process will use 'ImToken' and 'MetaMask' as example)

⚠️ Pay Attention, please ensure that the connected wallet address is same as the address where the transaction was successfully sent in Step I(We need to sign the message with the private key of this address)

2. On the ImToken mobile client, click the scan icon in the upper right corner, scan the QR code displayed by MyEtherWallet and authorize

If you use MetaMask, please click MEW CX after you access your Wallet

3. After the authorization is successful, you will see the following screen on the MyEtherWallet page, which means your wallet is successfully connected

IV. Get the Ethereum Signature

Make sure you completed Step II, then continue with following steps

1. In Crust Apps Claim page，Click the gray box to copy the text

2. In MyEtherWallet page, click Message on the left side as shown, select Sign Message, and paste the text in the gray box into the text box, click Sign

3. There will be a pop-up in the ImToken side, Click "Confirm", ⚠️ Please be attention here, At this step, the communication between MyEtherWallet and ImToken may be interrupted and no authorization information will pop up. Please execute Step III again.

If you use MetaMask, you just need to make your sign through Metamask pop-up window.

4. Go back to MyEtherWallet, click Confirm Signing

5. When MyEtherWallet shows Signed Message, click 'Copy'

V. Claim CRUs

Go back to Crust Apps Claims page, with the Signed Message copied in Step IV:

1. Paste the signature into the area shown in the image below, and click "Confirm claim". The green area shown as the image below will appear if the claim is recorded on chain.

2. Click to claim

3. Claim Successfully

References

The code involved in claim process has been open source:

1. Crust Bridge
2. Crust Claims