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Title: Metamask: Metamask -RPC error: References execution, simple NFT -Ministeration DAPP
Entry
As a developer who builds up a simple token that stood the token (NFT) for coating (NFT) to record funds, I met with an unexpected problem with my implementation. In this article I defined the steps that I took to solve the problem and solve the “RPC: Execution Revered” error, which tested during the interaction with my intelligent contracts at Polygon and Ethereum testnet.
Problem
During the integration of my front end with intelligent contracts and with a metamask as a RPC customer, I found an unexpected error. The problem was that I would encounter the “resignation” error, which meant that the performance of the function of the contract was canceled due to a certain internal inconsistency or condition that was not fulfilled.
Solution
To solve this problem, I first checked my code and contracts with regard to potential mistakes or inconsistencies that can contribute to the problem. After checking my code, I found that a small mistake in my configuration of the contract. In particular, I have set a simple “mining” function in one of my contracts with NFT MINT.
To solve this problem, I changed the “mining” function of my contract to return the shaped NFT instead of trying to do it directly. This change made it possible for me to solve the “RPC: Execution Revered” error, and I successfully implemented DAPP.
Here is an example on a high level of the modified code:
`Solidity
Contract dismantling {
// ...
Function Min () Public Non -Reentrant {
// mint nft
Mintnft ();
}
Mintnft function () internal phrases (address) {
// return to the user
}
}
Implementation and integration
After I solved the problem, I tested both contracts for polygon and implemented Ethereum Testnet. In Testnet I used a metamask as a RPC client to interact with my intelligent contracts.
Here is an example of how I integrated my front end with intelligent contracts with metamask:
`JavaScript
Import {implementation} from "ether";
Import * as web3 with "web3";
Const implementation = New Dimbling ();
Const Network = Implementation.Getchainbynumber (2); // 2 represented Ethereum testnet
// implementation of the polygon -tetnet contract
Implementation
console.log (address);
});
// implementation of the contract on Ethereum testnet
Network.connect ('goerli'). Dimpropagedyer.dePloy (mining).
console.log (address);
});
Application
In this article I showed how to solve the unexpected “RPC: Reverse” error, which occurred during the interaction with my intelligent contracts both for the polygon test and the Ethereum testnet. The change in the “mining” function in one of my contracts and the use of Metamask as a RPC client were able to implement DAPF successfully. This experience emphasizes the importance of the double code and the configuration of contracts for errors, which may not be visible immediately.
I hope this article helps others build similar projects!