Parse Meteora Dynamic AMM pools locked info

gistfile1.rs

// Fetch lock info from rpc
pub async fn fetch_lock_info_from_rpc(rpc_client: &RpcClient, pair_id: &str) -> Result<LockInfo> {
    let pool_pubkey = Pubkey::from_str(pair_id)?;
    // find lp mint of the pool
    let pool_account = rpc_client.get_account(&pool_pubkey).await?;
    let pool = PoolState::try_deserialize(&mut pool_account.data.as_ref())?;

    let lp_mint = pool.lp_mint;
    let lp_mint_account = rpc_client.get_account(&lp_mint).await?;
    let lp_mint_state = Mint::try_deserialize(&mut lp_mint_account.data.as_ref())?;
    let total_supply = BigDecimal::from(lp_mint_state.supply);

    // find the balance of lp mint in the pool ATA
    let token_account_pubkey = get_associated_token_address(&pool_pubkey, &lp_mint);
    let token_balance = rpc_client
        .get_token_account_balance(&token_account_pubkey)
        .await?;
    let locked_amount = BigDecimal::from_str(&token_balance.amount)?;

    // sum with locked info in pool state
    let locked_amount = locked_amount + BigDecimal::from(pool.total_locked_lp);
    let locked_percentage = (locked_amount * BigDecimal::from(100) / total_supply)
        .to_f64()
        .ok_or_eyre("error convert locked_percentage to f64")?;

    Ok(LockInfo {
        pair_id: pair_id.to_string(),
        locked_amount: token_balance.ui_amount.unwrap_or_default(),
        locked_percentage,
    })
}