Option 4: Buy Sentry Key via Node License Contract on Arbiscan

Mint with ETH

1. Go to the Node License contract on Arbiscan:

https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#readProxyContract#F24arbiscan.io

1. Scroll down to the "24. price" function at the bottom of the page.

2. Enter the number of Keys you want to purchase in "amount" and your promo code in "_promoCode" (Note: if you do not have a promo code you can put any string e.g. "na") to get the price.

   
3. Click on the number next to uint256. In this example, the value 16459353290000000.

4. Find the ETH(1) row. In the screenshot, the value 0.01645935329
5. Click on the Copy value button
6. Go back to the Node License contract on Arbiscan: https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#writeProxyContract
7. Connect your Web3 wallet.

   
8. Call the mint function https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#writeProxyContract#F8

   1. Paste in the value from Step 6 into the "mint" field

      
9. Enter the quantity of Keys you would like to purchase in the "_amount (uint256)" field. Use the same amount you entered in Step 3.

10. Enter in your Promo Code in the "_promoCode" field". Note: if you do not have a promo code you can put any string i.e. "na"

11. Click Write.

12. Approve the transaction in your wallet.

Mint with USDC

You can input a slightly higher amount to cover any slight price changes between steps. Any excess funds will be refunded

1. Go to the Node License contract on Arbiscan:

https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#readProxyContract#F24arbiscan.io

1. Use the "24. price" function at the bottom of the page.

2. Enter the number of Keys you want to purchase in "amount" and your promo code in "_promoCode" (Note: if you do not have a promo code you can put any string e.g. "na") to get the price.

   
3. Click on the number next to uint256. In this example, the value 16459353290000000.

4. Find the ETH(1) row. In the screenshot, the value 0.01645935329
5. Click on the Copy value button
6. Get the latest quote for ETH / USD

   1. The NodeLicense will use the price oracle at https://arbiscan.io/address/0x639Fe6ab55C921f74e7fac1ee960C0B6293ba612#readContract#F8
   2. Use latestAnswer to get the current ETH / USD value (Note this is with 8 decimals)

      
   3. Calculate latestAnswer x price (from step 4)

7. Go back to the Node License contract on Arbiscan: https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#writeProxyContract
8. Connect your Web3 wallet.

   
9. Call mintToWithUSDC - https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#writeProxyContract#F10

   1. Paste in the value from Step 7 (c) into the "_expectedCostUSDC" field.

      
10. Enter the quantity of Keys you would like to purchase in the "_amount (uint256)" field. Use the same amount you entered in Step 3.

11. Enter in your Promo Code in the "_promoCode" field". Note: if you do not have a promo code you can put any string in

12. Enter in the wallet that will own the key in the "_to" field".

13. Click Write.

14. Approve the transaction in your wallet.

Mint with XAI/esXAI

You can input a slightly higher amount to cover any slight price changes between steps. Any excess funds will be refunded

1. Get the Price

1. Go to the Node License contract on Arbiscan:

https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#readProxyContract#F24arbiscan.io

1. Scroll down to the "24. price" function at the bottom of the page.

2. Enter the number of Keys you want to purchase in "amount" and your promo code in "_promoCode" (Note: if you do not have a promo code you can put "na") to get the price.

   
3. Click on the number next to uint256. In this example, the value 16459353290000000.
4. Find the ETH(1) row. In the screenshot, the value 0.01645935329
5. Click on the Copy value button
6. Input into the function 10. ethToXai the value you got from Step 5, in this example: https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#readProxyContract#F10

   
7. Find the ETH(1) row. In the screenshot, the value 215.942123600761418936
8. Click on the Copy value button
9. At this point, you have the total XAI/esXAI amount required to mint your keys.

2. Approve the NodeLicense Contract as a Spender

You need to allow the NodeLicense contract to spend your XAI or esXAI tokens before minting. You can do this either directly from the key sale page (if available) or via Arbiscan.

Approving XAI

1. Go to the XAI contract Write Proxy page: https://arbiscan.io/address/0x4Cb9a7AE498CEDcBb5EAe9f25736aE7d428C9D66#writeProxyContract

2. Connect your wallet.

3. Find the 1. approve function. https://arbiscan.io/address/0x4Cb9a7AE498CEDcBb5EAe9f25736aE7d428C9D66#writeProxyContract#F1

- spender: 0xbc14d8563b248B79689ECbc43bBa53290e0b6b66 (NodeLicense address)

- amount: The XAI amount you got from Step 1.

4. Submit the transaction to approve spending.

Approving esXAI

1. Go to the esXAI contract **Write Proxy** page: https://arbiscan.io/address/0x4C749d097832DE2FEcc989ce18fDc5f1BD76700c#writeProxyContract

2. Connect your wallet.

3. Find the 2. approve function. https://arbiscan.io/address/0x4Cb9a7AE498CEDcBb5EAe9f25736aE7d428C9D66#writeProxyContract#F1

- spender: 0xbc14d8563b248B79689ECbc43bBa53290e0b6b66 (NodeLicense address)

- amount: The esXAI amount you got from Step 1.

4. Submit the transaction to approve spending.

3. Mint Your Keys

1. Go back to the Node License contract on Arbiscan: https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#writeProxyContract
2. Connect your Web3 wallet.

   
3. Find the mintWithXAI function - https://arbiscan.io/address/0xbc14d8563b248B79689ECbc43bBa53290e0b6b66#writeProxyContract#F13
4. Paste in the value from Step 9 into the "_expectedCost" field.

   
5. Enter the quantity of Keys you would like to purchase in the "_amount (uint256)" field. Use the same amount you entered in Step 3.

6. Enter in your Promo Code in the "_promoCode" field". Note: if you do not have a promo code you can put any string in

7. Enter in the wallet that will own the key in the "_to" field"

8. Choose if you are using EsXai or Xai for the purchase set _useEsXai as either true or false

   1. true if you're using esXAI for payment

   2. false if you're using XAI

9. Click Write.

10. Approve the transaction in your wallet.

11. You've now successfully minted your keys using XAI/esXAI.