44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
use crate::error::*;
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use crate::state::*;
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use anchor_lang::prelude::*;
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#[derive(Accounts)]
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pub struct CloseDepositEntry<'info> {
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// checking the PDA address it just an extra precaution,
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// the other constraints must be exhaustive
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#[account(
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mut,
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seeds = [voter.load()?.registrar.key().as_ref(), b"voter".as_ref(), voter_authority.key().as_ref()],
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bump = voter.load()?.voter_bump,
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has_one = voter_authority)]
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pub voter: AccountLoader<'info, Voter>,
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pub voter_authority: Signer<'info>,
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}
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/// Close an empty deposit entry, allowing it to be reused in the future.
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///
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/// Deposit entries can only be closed when they don't hold any tokens.
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///
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/// If the deposit entry has `allow_clawback` set, it can only be closed once
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/// the lockup period has expired.
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pub fn close_deposit_entry(ctx: Context<CloseDepositEntry>, deposit_entry_index: u8) -> Result<()> {
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let voter = &mut ctx.accounts.voter.load_mut()?;
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let d = voter.active_deposit_mut(deposit_entry_index)?;
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require_eq!(d.amount_deposited_native, 0, VsrError::VotingTokenNonZero);
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// Deposits that have clawback enabled are guaranteed to live until the end
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// of their locking period. That ensures a deposit can't be closed and reopenend
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// with a different locking kind or locking end time before funds are deposited.
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if d.allow_clawback {
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require!(
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d.lockup.expired(Clock::get()?.unix_timestamp),
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VsrError::DepositStillLocked
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);
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}
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*d = DepositEntry::default();
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d.is_used = false;
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Ok(())
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}
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