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fix sell coin issue #50

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fix sell coin issue #50

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81c22cf
fix sell coin issue
mubarak23 Aug 22, 2024
5f3a3c6
Merge branch 'main' into fix_sell_coin
mubarak23 Aug 22, 2024
9ff4844
change if condition check
mubarak23 Aug 22, 2024
da71eeb
fix condition
mubarak23 Aug 22, 2024
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19 changes: 16 additions & 3 deletions onchain/cairo/src/launchpad/launchpad.cairo
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Original file line number Diff line number Diff line change
Expand Up @@ -588,13 +588,14 @@ mod LaunchpadMarketplace {
let token_quote = old_pool.token_quote.clone();
let quote_token_address = token_quote.token_address.clone();

// let mut amount = self
// ._get_amount_by_type_of_coin_or_quote(coin_address, quote_amount, false, true);
// let mut amount = self._get_amount_by_type_of_coin_or_quote(coin_address, quote_amount, false, true);

// TODO fix this function
let mut amount = self
._get_coin_amount_by_quote_amount(coin_address, quote_amount, true);

assert!(old_share.amount_buy >= amount, "Trying to sell more than bought");

let mut total_price = quote_amount.clone();
// println!("amount {:?}", amount);
// println!("quote_amount {:?}", quote_amount);
Expand Down Expand Up @@ -1060,6 +1061,15 @@ mod LaunchpadMarketplace {
let pool_coin = self.launched_coins.read(coin_address);
let total_supply = pool_coin.total_supply.clone();
let current_supply = pool_coin.token_holded.clone();
if is_decreased == true {
let k = current_supply * pool_coin.liquidity_raised;
// println!("k {:?}", k);
// let q_out = total_supply - (k / (quote_amount));
let liquidity_ratio = total_supply / LIQUIDITY_RATIO;
let q_out = (total_supply + liquidity_ratio) + (k / (quote_amount));
// println!("q_out {:?}", q_out);
return q_out;
}
// let mut current_price = self
// ._get_linear_price(pool_coin.initial_key_price, pool_coin.slope, current_supply);
// println!("current_price {:?}", current_price);
Expand Down Expand Up @@ -1191,7 +1201,10 @@ mod LaunchpadMarketplace {
match x {
BondingType::Linear => {
if is_quote_amount == true {
self._get_coin_amount_by_quote_amount(coin_address, amount, is_decreased)
self
._get_coin_amount_by_quote_amount(
coin_address, amount, is_decreased
)
} else {
self._get_quote_paid_by_amount_coin(coin_address, amount, false)
}
Expand Down
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