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use crate::prelude::StateMutationResult;
use holochain_sqlite::rusqlite::OptionalExtension;
use holochain_sqlite::rusqlite::{named_params, Transaction};
use holochain_zome_types::Timestamp;
pub fn is_chain_locked(txn: &Transaction, lock: &[u8]) -> StateMutationResult<bool> {
match txn
.query_row(
"
SELECT 1
FROM ChainLock
WHERE expires_at_timestamp >= :now
AND lock != :lock
LIMIT 1
",
named_params! {
":lock": lock,
":now": holochain_zome_types::Timestamp::now()
},
|row| row.get::<_, u32>(0),
)
.optional()?
{
Some(_) => Ok(true),
None => Ok(false),
}
}
pub fn is_lock_expired(txn: &Transaction, lock: &[u8]) -> StateMutationResult<bool> {
let r = txn
.query_row(
"
SELECT expires_at_timestamp
FROM ChainLock
WHERE
lock = :lock
",
named_params! {
":lock": lock,
},
|row| {
Ok(row.get::<_, Timestamp>("expires_at_timestamp")?
< holochain_zome_types::Timestamp::now())
},
)
.optional()?;
Ok(r.unwrap_or(true))
}