Error management in web3.js: Convert mainstreams to event listeners
When you work with web3.js, you often meet situations where you need to manage events and responses in a specific way. Recently, I encountered an error by trying to convert an object Bigint” into a response as an event earphone using the integrated library functions.
The problem: Typerror: do not know how to serialize a bigint
In my case, the problem was that web3.js is unable to serialize and dearialize "big" objects. This can happen when you try to pass or receive a large number of data between different parts of your application. However, certain libraries (including web3.js) do not support the serialization of "big" objects.
The solution: personalized convert function
To overcome this problem, we need to create a personalized function that converts "bigint" objects into chains before sending them in event listening response. We can use theBigint.tostring () ‘method for this purpose.
Here is an example of how you can implement this:
`Javascript
Const web3 = require ('web3');
Const web3 = require ('@ web3 / web3');
// replaceyour wallet-secret ” with your real portfolio secret
Const Networkid = 1; // Network Ethereum
Const web3Provider = New Web3.Providers.httpprovider (‘
Const Provider = New Web3.Providers.httpprovider (Networkid, Web3Provider);
web3.eth.on (‘block’, (block) => {
Const Bigintblocknumber = Bigint (Block.Number);
Const Transactionhash = Bigint (Block.hash);
// Convert Bigint into a chain
Const BigintransActionhash = BigintransActionhash.tostring ();
Console.log (response from the event earphone: $ {BigintransActionhash});
});
`'
In this example, we create a personalized "tostring ()" function which converts "bigint" objects into chains. We then pass this function as the second argument atWeb3.eth.on (‘Block’, …).
The advantage: more eerror type
Using our personalized convert function, we are able to successfully send and receive web3 events. JS, even with a large number of data (in this case,Bigint objects”). The rest of your code remains the same.
Remember that you will have to replace “your Wallet-Secret”, “Networkid” and “BiginttransActionhash” with real values specific to your project. In addition, make sure that your portfolio provider is properly configured and active on your Ethereum network.
