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Add unapprove instruction #51

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Add unapprove instruction #51

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26 changes: 26 additions & 0 deletions programs/multisig/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,21 @@ pub mod serum_multisig {
Ok(())
}

// Unapproves a transaction on behalf of an owner of the multisig.
pub fn unapprove(ctx: Context<Unapprove>) -> Result<()> {
let owner_index = ctx
.accounts
.multisig
.owners
.iter()
.position(|a| a == ctx.accounts.owner.key)
.ok_or(ErrorCode::InvalidOwner)?;

ctx.accounts.transaction.signers[owner_index] = false;

Ok(())
}

// Set owners and threshold at once.
pub fn set_owners_and_change_threshold<'info>(
ctx: Context<'_, '_, '_, 'info, Auth<'info>>,
Expand Down Expand Up @@ -215,6 +230,17 @@ pub struct Approve<'info> {
owner: AccountInfo<'info>,
}

#[derive(Accounts)]
pub struct Unapprove<'info> {
#[account(constraint = multisig.owner_set_seqno == transaction.owner_set_seqno)]
multisig: ProgramAccount<'info, Multisig>,
#[account(mut, has_one = multisig)]
transaction: ProgramAccount<'info, Transaction>,
// One of the multisig owners. Checked in the handler.
#[account(signer)]
owner: AccountInfo<'info>,
}

#[derive(Accounts)]
pub struct Auth<'info> {
#[account(mut)]
Expand Down