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Understanding Metamask and USDT in Smart Contract Transactions

As a decentralized app (DAPPS) programmer on Ethereum Blockchain, you are probably familiar with smart contracts and their interactions with different external services. One such service that facilitates transactions is metamask, a popular expansion of browser for Ethereum users.

In this article, we will investigate why the function of buynode 'is in your contractual processes in ETH instead of USDT, despite the fact that USDT has explicitly passed as a payment token parameter.

FunctionBuynode: Key component

The function ofbuynodeis a key component of your smart contract. Its purpose is to acquire new knots from the Ethereum network, allowing users to access decentralized applications (DAPPS) that these nodes rely on their functionality.

When you call the functionBuynodewith USDT as a payment token, a metamascus tries to make a transaction and pay an etheric price of the USDT in the ETH. This procedure facilitates Ethereum Virtual Machine (EVM), which converts USDT to ETH by using a built -in convert a smart contract.

However, there is a catch. The functionbuynodedoes not convert directly USDT into eth; Instead, it relies on an external service called the Metamsk method "Convertformeth", which turns ETH into USDT at the current market price (ie 0.000025 USD/ETH).

The key reason for this difference lies in how to implement the function of the metamascusbuynode. When uses the function ofBuynode, the metamask must find a new knot on the Ethereum network that supports the USDT conversion rate used by your contract. This procedure involves testing multiple knots and selecting the one that corresponds to the desired conversion rate.

In contrast, when you explicitly pass the USDT as a payment token parameter, the metamascus can use your own built -in conversion rate without relying on an external service such asConvertformeth. However, this means that the conversion rate used by your contract is not always the same as the current market price.

Conclusion

In order to avoid potential problems with the conversion rate and ensure that your smart contracts function properly in different scenarios, it is crucial to understand how Metamascus manages USDT tokens. Briefly:

• When uses the function of buynode, the Metamascus converts USDT into an ETH at the current market price (ie, 0.000025 USD/ETH).

• Even when passing the USDT as a parameter of payment tokens, a metamascus can decide to turn it into an eth before processing your transaction.

• To ensure reliable transactions of smart contracts, you should investigate alternative methods or solutions that bypass these problems with the conversion rate.

I hope that this article helped clarify the situation and provided valuable insights for developers that build decentralized applications on Ethereum blockchain.

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