Metamask: The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type undefined -in Trustwallet

Here is an article that addresses this issue:

Error confirming a transaction in Trust wallet: “Received document type undefined – in Trust wallet”

When trying to confirm a transaction in a digital wallet such as Trust Wallet, a user may encounter an error message that says: “Received undefined type – in Trust wallet.” This error can be frustrating and requires immediate attention.

The error occurs because the ConfirmTransaction function, which is used by the wallet to verify the transaction, requires one of four specific data types as arguments. However, it appears that the type received is not defined as one of these options.

Understanding Data Types

To solve this problem, let’s take a closer look at the required data types:

• String: A string is a sequence of characters representing text.

• Buffer: A buffer is an array-like object used to represent a buffer of bytes in memory.

• Array: An array is an ordered collection of elements.

• Array object (e.g. Uint8Array): An array object, such as Uint8Array, represents a raw array of bytes.

Possible causes and solutions

Based on the error message, the problem lies in the way the wallet received the transaction data as an argument to the ConfirmTransaction function. Here are some potential causes and solutions:

• Invalid or missing argument: The wallet may not have provided one of the required data types (string, buffer, array) as its argument.

• Invalid buffer representation: If the data received is not in the correct buffer format (e.g. is not a Uint8Array), the wallet may receive an invalid value for the Transaction object.

To fix this issue:

• Check that the transaction data being sent to the wallet is formatted correctly as a string, buffer, array, or array-like object.

• Check the wallet documentation to make sure it supports the required data types for confirming transactions.

• If possible, review the transaction data in detail to make sure it is formatted correctly.

Corrected Code Example

If you are using the Trust Wallet API, here is an updated example showing how to correctly pass a string as an argument:

const tx = {
id: '1234567890',
from: 'your_wallet_address',
to: 'recipient_address',
value: 10.00,
};
const confirmTransaction = await trustWallet.confirmTransaction(tx);
// Confirm the transaction with the received data

In this example, we assume that tx is an object representing the transaction. The key values ​​are `id''',from'' andto''. We also assume thatvalue` has some other value.

By following these steps and checking your wallet documentation, you should be able to resolve the error “Received type undefined – in Trust wallet” that appears when trying to confirm a transaction in your digital wallet.

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