Metamask: Error data=0x when trying to send arguments to a function in smart contract
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Metamsk Error: “Data Error = 0x When you try to send arguments to work in an intelligent contract”
As a Metamask user, you may encounter an unexpected error message when attempting to interact with Ethereum wallet or intelligent contracts. In this article, we will review the details of the error and provide instructions on how to solve them.
Details of error
An error message shows that there is a problem with data sent to your smart contract. The right syntax and context are as follows:
Error: Call Return Exception [See: (method =" check (string, fairytale) ", data =" 0x ", errorrargs = null, errorname, errorname , errorname =.
This message indicates that the "check" function in your intelligent contract occurs an error when performing. Specifically, he says that when sending arguments to check "check".
Divide the error
Let's Relieve Error Message:
- [See: This line points to a specific page of documentation eéters.js that details how to solve errors in connection with methods calling in intelligent methods contracts. In particular, he mentions the exception of the “return” that is evoked when an error occurs during a call call.
(Method =" Check (String, BAJTS) ")") ")") "):: The first part of the series refers to a certain call of your intelligent contract method (in this case functioncheck).
(Data =" 0x "): This is found that the information sent to the address is the address (0x) coded as Hexadecimal.
(Errorargs = null, errorname = ...): The last two parts of the series describe the context of the error in detail. “Errorarargs” has been set up null, which means that no other arguments were forwarded. As for "errory", it seems not a standard attribute of documentation eéters.js.
Solution of errors
To solve this problem, you can try the following steps:
- Check transaction information : Make sure your transaction contains all the required fields and parameters.
- Check the Signature of the Contract function : Double -check the signature "check" to confirm that it accepts the correct types of arguments (chain and bytes).
3
- Check your contract Abi : Make sure the ABI (binary application interface) Your intelligent contract updates and accurately reflects calls.
Example uses the case
If you want to illustrate how to solve this error, let's create a simple example:
Power
Pragma of solidity ^0.8.0;
TESTCONTCONTRACT {contract
Function check (String _Message) public {{{
// Check the message using the contract address
Requires (_Message.lengh == 32 && _message! = "Hi", "Invalid Length or Message Content");
Return of Truth;
Shore
Shore
// organize a contract to the new Ethereum network
Pragma of solidity ^0.8.0;
Contract {
deal with public treaties;
Constructor () {{{{{
// Use the ETERS.JS implementation function to create and implement the contract.
Contractingdress = address (0x ...); // Replace the actual code for the execution of the contract
ImplementalContract (ContractDream);
Shore
IMPLEMENTALCONTRACT function (address _address) internal {
// implement a new instance of the contract using the implementation function with Ethers.JS
// This automatically initializes the contract with the address and abi
Shore
Shore
In this example, we have created a simpletestcontract` that uses the ‘method to check the message. Then we organized a contract in the Ethereum network and called the “Control” function.
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