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check that the wallet signing execute_transaction is an owner #56

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check that the wallet signing execute_transaction is an owner #56

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12 changes: 12 additions & 0 deletions programs/multisig/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -154,6 +154,16 @@ pub mod serum_multisig {
return Err(ErrorCode::AlreadyExecuted.into());
}

// Is this wallet a owner of the multisig?
ctx
.accounts
.multisig
.owners
.iter()
.position(|a| a == ctx.accounts.owner.key)
.ok_or(ErrorCode::InvalidOwner)?;


// Do we have enough signers.
let sig_count = ctx
.accounts
Expand Down Expand Up @@ -239,6 +249,8 @@ pub struct ExecuteTransaction<'info> {
multisig_signer: UncheckedAccount<'info>,
#[account(mut, has_one = multisig)]
transaction: Box<Account<'info, Transaction>>,
// One of the multisig owners. Checked in the handler.
owner: Signer<'info>,
}

#[account]
Expand Down