CRYPTOCURRENCY

Solana: First Argument Must Be Type String or Buffer” Error in SolanaAgentKit During Swap

Posted on by chang mr.

Solana agent kit token exchange error: “The first argument must be string or buffer”

As a Solana developer, you are probably not alien to the complexities of working with Solana Blockchain. One of the common problems that may arise during the token swaps in the application is an error related to the first argument transferred to the “SolanaAgentkit.Swap” function. In particular, the following fragment of the code illustrates this problem.

error details

When trying to change the token, the following error message may appear:

`

The exchange failed: the first argument must be the type or instance of the bubble Solana-program

`

This indicates that the “swap” method expects either “string” or “buffer” (variable view of raw binary data) as its first argument. However, instead of an important symbol of token or bytes representing the public key of the token agreement, you give a string or buffer.

Possible causes and solutions

To solve this problem, it is possible:

  • The type of “buffer” may not be available by default.

  • Symbol of the token or key incorrectness

    : Check twice that the token symbol delivered corresponds to the actual public keys of the contract with which you are trying to exchange. Make sure it is correct and fits the expected format (eg “0x1234567890abdef”).

  • BUFFE MISSION : If the “Solana-Program” package is properly installed, make sure that the buffer transferred as the first argument has the same length and type specified in the code fragment.

Steps for solving problems

Solana: First Argument Must Be Type String or Buffer

To diagnose and solve the problem:

  • Check the code for potential typos or incorrect types.

  • Check the version of the “Solana-Program” package to make sure it is compatible with Solana 1.6.X or new.

  • Check that the symbol of the token and key are correct and compare them with the expected format.

Example solution

To help you solve this problem, I gave a modified example of creating a token agreement and the use of “SolanaAgentkit” to change:

`Javascript

Import {Createaccount} with "@Solana/Web3.js";

Import {buffer} with "Solana-Program";

Const CreateTokencontract = Async (Conccountidid: String) => {

Const [program, symbol] = buffer.from ('0x1234567890abdef', 16). Slice (0, 4); // Sample symbol of the token

Const Conccountmeta = Wait for Createaccount (

Program,

symbol.tostring (),

{Mintddress: Conccountidid},

{

Pubkey: program,

}

);

Return program;

};

Application

If you appear errors related to the first argument in “SolanaAgentkit` for Token Swaps, make sure your symbols of token and keys are correct. Check if your “Solana-Program” package is correctly installed and current. If necessary, check the code to identify potential typos or incorrect types.

Thanks to these steps and examples of problem solving, you should be able to solve this problem and continue working on the Solana application certainly.

ETHEREUM BLOCKS

chang mr.