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I'm currently working on a fundraising program which involves just transacting Sol.

In the first image, I have set fundraiser_config as the authority over the token_vault enter image description here

In the second image, I'm transferring Sol from the token_vault to the fundraiser_sol_token_account enter image description here

In the third image, I'm writing the test for fundraiser_withdrawal (ie second image ). However, the error is saying that it is an unknown signer. enter image description here

Please let me know what I have missed out as I have been stuck on this for a while. Thank you!

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  • 1
    Please use code snippets rather than images
    – vicyyn
    Commented Aug 25, 2022 at 13:12

1 Answer 1

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You're missing two accounts for fundraiserWithdrawal in your typescript code: fundraiser and token vault. Add them.

For the rust code, here's example code of me doing something similar, transferring spl-tokens from a token vault with a PDA as its authority:

let transfer_instruction = Transfer {
    from: funds_pot.to_account_info(),
    to: destination_account.to_account_info(),
    authority: campaign.to_account_info(),
};

let campaign_seeds = &[
    b"campaign".as_ref(),
    fundstarter.key.as_ref(),
    &[campaign.bump],
];

let signer = &[&campaign_seeds[..]];

let cpi_ctx = CpiContext::new(token_program.to_account_info(), transfer_instruction)
    .with_signer(signer);
anchor_spl::token::transfer(cpi_ctx, amount_to_withdraw)?;

Here campaign is a PDA whose seeds are used as signer for the instruction because it's the authority of the funds_pot token account.

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  • Hey man, thanks for pointing that out! I have added in those 2 accounts but its throwing another error.. However, after thinking about it, since I'm setting vault_authority as pda over the token_vault, would it make more sense for the pda to sign this instruction instead? Given that I'm still getting the error message of unknown signer
    – bubu59
    Commented Aug 26, 2022 at 14:12
  • The authority in the accounts struct for the Transfer instruction has to be the authority of the from account(In this case token_vault). If it's a PDA then your signer argument should be gotten from whatever its seeds are.
    – Ademola
    Commented Aug 26, 2022 at 19:39
  • oooh.. okok. So what I did was added in this piece of code in CreateCampaign struct #[account( init, seeds = [b"vault", fundraiser_config.key().as_ref()], bump, payer = fundraiser, token::mint = sol_mint, token::authority = token_vault )] pub token_vault: Box<Account<'info, TokenAccount>>,
    – bubu59
    Commented Aug 27, 2022 at 9:29
  • Would doing the above means that fundraiser_config is now the authority of the token_vault ?
    – bubu59
    Commented Aug 27, 2022 at 9:37
  • After having added the seeds in, I went on to follow the example you gave above by providing the seeds in to to do the transfer of tokens from token_vault . However, in my test script, it still throws an error saying the signer is unknown
    – bubu59
    Commented Aug 27, 2022 at 9:39

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