Liq: format, error handling, logging
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0158239a56
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74873ad46b
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@ -10,7 +10,7 @@ use mango_v4::state::{
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};
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use {
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crate::chain_data::ChainData, anyhow::Context, fixed::types::I80F48, log::*,
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crate::chain_data::ChainData, anyhow::Context, fixed::types::I80F48,
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solana_sdk::account::AccountSharedData, solana_sdk::pubkey::Pubkey,
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};
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@ -111,6 +111,93 @@ pub fn new_health_cache_(
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new_health_cache(account, &retriever)
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}
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#[allow(clippy::too_many_arguments)]
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pub fn process_account(
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mango_client: &MangoClient,
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chain_data: &ChainData,
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mint_infos: &HashMap<TokenIndex, Pubkey>,
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perp_markets: &HashMap<PerpMarketIndex, Pubkey>,
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pubkey: &Pubkey,
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) -> anyhow::Result<()> {
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// TODO: configurable
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let min_health_ratio = I80F48::from_num(50.0f64);
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let account = load_mango_account_from_chain::<MangoAccount>(chain_data, pubkey)?;
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// compute maint health for account
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let maint_health = new_health_cache_(chain_data, mint_infos, perp_markets, account)
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.expect("always ok")
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.health(HealthType::Maint);
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// try liquidating
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if maint_health.is_negative() {
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// find asset and liab tokens
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let mut tokens = account
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.tokens
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.iter_active()
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.map(|token| {
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let mint_info_pk = mint_infos.get(&token.token_index).expect("always Ok");
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let mint_info =
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load_mango_account_from_chain::<MintInfo>(chain_data, mint_info_pk)?;
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let bank =
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load_mango_account_from_chain::<Bank>(chain_data, &mint_info.first_bank())?;
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let oracle = chain_data.account(&mint_info.oracle)?;
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let price = oracle_price(
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&KeyedAccountSharedData::new(mint_info.oracle, oracle.clone()),
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bank.oracle_config.conf_filter,
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bank.mint_decimals,
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)?;
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Ok((token.token_index, bank, token.native(bank) * price))
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})
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.collect::<anyhow::Result<Vec<(TokenIndex, &Bank, I80F48)>>>()?;
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tokens.sort_by(|a, b| a.2.cmp(&b.2));
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if tokens.len() < 2 {
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anyhow::bail!("mango account {}, has less than 2 active tokens", pubkey);
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}
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let (asset_token_index, _asset_bank, _asset_price) = tokens.last().unwrap();
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let (liab_token_index, _liab_bank, _liab_price) = tokens.first().unwrap();
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let max_liab_transfer = {
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let liqor = load_mango_account_from_chain::<MangoAccount>(
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chain_data,
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&mango_client.mango_account_cache.0,
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)?;
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let health_cache =
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new_health_cache_(chain_data, mint_infos, perp_markets, liqor).expect("always ok");
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health_cache.max_swap_source_for_health_ratio(
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*liab_token_index,
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*asset_token_index,
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min_health_ratio,
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)?
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};
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//
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// TODO: log liqor's assets in UI form
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// TODO: log liquee's liab_needed, need to refactor program code to be able to be accessed from client side
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// TODO: swap inherited liabs to desired asset for liqor
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// TODO: hook ChainData into MangoClient
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// TODO: liq_token_with_token() re-gets the liqor account via rpc unnecessarily
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//
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let sig = mango_client
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.liq_token_with_token(
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(pubkey, account),
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*asset_token_index,
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*liab_token_index,
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max_liab_transfer,
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)
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.context("sending liq_token_with_token")?;
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log::info!(
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"Liquidated {}..., maint_health was {}, tx sig {:?}",
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&pubkey.to_string()[..3],
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maint_health,
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sig
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);
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}
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Ok(())
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}
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#[allow(clippy::too_many_arguments)]
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pub fn process_accounts<'a>(
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mango_client: &MangoClient,
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@ -119,96 +206,11 @@ pub fn process_accounts<'a>(
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mint_infos: &HashMap<TokenIndex, Pubkey>,
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perp_markets: &HashMap<PerpMarketIndex, Pubkey>,
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) -> anyhow::Result<()> {
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// TODO: configurable
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let min_health_ratio = I80F48::from_num(50.0f64);
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for pubkey in accounts {
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let account_result = load_mango_account_from_chain::<MangoAccount>(chain_data, pubkey);
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let account = match account_result {
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Ok(account) => account,
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Err(err) => {
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warn!("could not load account {}: {:?}", pubkey, err);
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continue;
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}
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match process_account(mango_client, chain_data, mint_infos, perp_markets, pubkey) {
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Err(err) => log::error!("error liquidating account {}: {:?}", pubkey, err),
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_ => {}
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};
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// compute maint health for account
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let maint_health = new_health_cache_(chain_data, mint_infos, perp_markets, account)
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.expect("always ok")
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.health(HealthType::Maint);
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// try liquidating
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if maint_health.is_negative() {
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// find asset and liab tokens
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let mut tokens = account
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.tokens
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.iter_active()
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.map(|token| {
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let mint_info_pk = mint_infos.get(&token.token_index).expect("always Ok");
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let mint_info =
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load_mango_account_from_chain::<MintInfo>(chain_data, mint_info_pk)?;
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let bank =
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load_mango_account_from_chain::<Bank>(chain_data, &mint_info.first_bank())?;
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let oracle = chain_data.account(&mint_info.oracle)?;
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let price = oracle_price(
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&KeyedAccountSharedData::new(mint_info.oracle, oracle.clone()),
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bank.oracle_config.conf_filter,
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bank.mint_decimals,
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)?;
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Ok((token.token_index, bank, token.native(bank) * price))
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})
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.collect::<anyhow::Result<Vec<(TokenIndex, &Bank, I80F48)>>>()?;
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tokens.sort_by(|a, b| a.2.cmp(&b.2));
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if tokens.len() < 2 {
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anyhow::bail!(format!(
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"mango account {}, has less than 2 active tokens",
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pubkey
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));
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}
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let (asset_token_index, _asset_bank, _asset_price) = tokens.last().unwrap();
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let (liab_token_index, _liab_bank, _liab_price) = tokens.first().unwrap();
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let max_liab_transfer = {
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let liqor = load_mango_account_from_chain::<MangoAccount>(
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chain_data,
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&mango_client.mango_account_cache.0,
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)?;
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let health_cache = new_health_cache_(chain_data, mint_infos, perp_markets, liqor)
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.expect("always ok");
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health_cache.max_swap_source_for_health_ratio(
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*liab_token_index,
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*asset_token_index,
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min_health_ratio,
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)?
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};
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//
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// TODO: log liqor's assets in UI form
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// TODO: log liquee's liab_needed, need to refactor program code to be able to be accessed from client side
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// TODO: swap inherited liabs to desired asset for liqor
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// TODO: hook ChainData into MangoClient
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// TODO: liq_token_with_token() re-gets the liqor account via rpc unnecessarily
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//
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let sig = mango_client.liq_token_with_token(
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(pubkey, account),
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*asset_token_index,
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*liab_token_index,
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max_liab_transfer,
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);
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match sig {
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Ok(sig) => log::info!(
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"Liquidated {}..., maint_health was {}, tx sig {:?}",
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&pubkey.to_string()[..3],
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maint_health,
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sig
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),
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Err(err) => {
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log::error!("{:?}", err)
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}
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}
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}
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}
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Ok(())
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