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Because Metamask limits the gas limit for ERC20 transfers
When interacting with external contracts, such as those on the Ethereum blockchain that support the ERC-20 tokens such as Dai, Eth or USDT, Metamask provides users with an estimated gas estimate. However, this function was a point of dispute between users and developers. In this article, we will explore because Metamask limits the gas limit for ERC20 transfers and what implications could have on the Ethereum ecosystem.
WHAT IS THE FUNCTION OF ESTIMATE OF THE METAMASK GAS?
The Metamask gas estimate function allows users to request an esteemed amount of gases needed to perform a transaction or an interaction with another contract. This estimate takes into account various factors, including:
- Complexity of transactions
- Contract distribution costs
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By providing this estimate, Metamask helps users to plan and optimize their transactions, reducing the risk of unexpected gas commissions.
The problem: gas limits ERC20
The ERC-20 token have a unique property called «gas limit» that specifies the amount of gas should be assigned to the token during its life cycle. However, when interacting with external contracts, such as those on other blockchains (for example, the intelligent Binance or Solana chain), Metamask estimates this gas limit instead of the actual use of the gas.
The problem arises because some ERC-20 tokens, as Come on, have high gas limits that can be far superior to the estimated amount. If Metamask limits these gas limits, users can be in a situation in which excessive commissions pay for transactions or interactions with other contracts.
Why does Metamask limit the gas limit?
The exact reason why Metamask limits the gas limit is not yet clear, but several factors contribute to this decision:
- Optimization : By not providing an effective gas estimate, Metamask can optimize user behavior and reduce unnecessary gas commissions.
- Gas estimate error
: the cost of the estimated gas can be higher than the effective use of the gas due to various factors such as the costs of distribution of the contract or the complexity of the transactions.
- User experience : Providing a limit on the gas limit could be understood to improve the overall experience of the user, since users should not worry about unexpected commissions.
implications and worries
The limited gas limit for ERC20 transfers has significant implications:
- unfair for users who rely on the actual use of the gas : users who need precise gas estimates can find themselves paying for excessive commissions.
- Potential safety risks : if Metamask limits the gas limit, it could lead to safety vulnerability, as a situation in which transactions are performed with insufficient gas funds.
- Limited interoperability : The limited gas limit can reduce interoperability between blockchain or different contracts.
Conclusion
The decision to limit the gas limit for ERC20 transfers on Metamask is complex and multifaceted. Although it is destined to optimize user behavior and provide a better overall experience, it raises concerns about fairness, safety and interoperability. While the Ethereum ecosystem continues to evolve, it will be essential to face these problems and ensure that the characteristics of Metamask aligns the needs of users and developers.
Future directions
To improve the situation:
- Providing the most accurate gas estimates : developing an algorithm for the most robust gas estimate that takes into account various factors.
- Introduce an effective gas estimate function : allow users to request an effective gas estimate for ERC20 transactions, providing greater transparency and fairness.
- Improve interoperability between blockchain
: work to improve gas limits through different blockchain networks compatible with Ethereum.
