pluginthemebr fevereiro 7, 2025 0 avaliação

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The choice of Metamask feature is not found an error

When developing decentralized applications (DAPPS), it is customary to interact with Ethereum -based contracts using Web3 libraries such as Eters.js. However, a common problem that can occur is the mistake “Selecting a function is not found” in the Hardhat knot.

In this article,

What is Metamask?

Metamask is an Ethereum portfolio that allows users to interact with Ethereum blockchain. Ethereum network.

The choice of feature is not found in Hardhat knot

When “found”.

Here is an example of what can go wrong:

`Javascript

Import {Compile} by ‘Hardhat-Typescript’;

Const Compilett = ASYNC (Name of Contractname, ABI) => {

try {

Const Contruiment = Wait a compilation (Contractname name);

Const binascii = buffher.from (abi.map ((key) => Key.type) .join (‘,’));

Const Selector = ‘0x’ + binascii;

Console.log (selector); // This must be the correct function selector

// now, you call the contract with this selector

Wait a contract.AT.

} Catch (error) {

Console.error (error);

}

};

`

Bytecode Ethereum for the feature of the ‘Gettokendepositamount.At ()The contract method "also returns a new contract with the designated selector. However, using an intelligent contract from the Metamask collection, such as the contract" Sushiswap ", it will have a different byte.

What is confused when using Metamask?

There are several reasons why you may encounter an error "Selecting a feature not found":

  • incorrect abi

    :

  • Metamask Collection :

  • Hardhat configuration :

Solving the problem

To resolve this error, make sure that:

1

2.

3

Here's an updated example that uses Sushiswap Treaty:

Javascript

Import {compileTrate} by ‘hardhat-tepescript’;

Import ‘@Nomiclabs/Hardhat-Waffle’;

CONST compile = async (name of Contractname, ABI) => {

try {

Const Contruiment = Wait a compilation (Contractname name);

Const binascii = buffher.from (abi.map ((key) => Key.type) .join (‘,’));

Const Selector = ‘0x’ + binascii;

// now, you call the contract with this selector

Return Keut Controg.at.

} Catch (error) {

Console.

Responder