PROTOCOL
Mining
Supply Mining APY
[AM(utilization_rate) * mining_speed * larix_price] / total_supply_value
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let lend_side_mine_ratio = Mining::get_lend_side_ratio(util_rate, bonus.kink_util_rate)?;
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let lend_side_mine_coeff_diff = mine_speed
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.try_mul(lend_side_mine_ratio)?
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.try_mul(slots_elapsed)?
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.try_div(total_l_token_amount)?;
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Borrow Mining APY
[(1 - AM(utilization_rate)) * mining_speed * larix_price] / total_borrow_value
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let borrow_side_mine_amount = bonus.borrow_mining_index
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.try_sub(mining.borrow_mining_indices[pos])?
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.try_mul(user_borrow_amount)?
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.try_div(global_borrow_interest_index)?;
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AM
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if self.collateral.mint_total_supply == 0 as u64 {
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return Ok((Rate::zero(),Rate::zero()));
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}
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if self.liquidity.borrowed_amount_wads.lt(&Decimal::one()){
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return Ok((Rate::one(),Rate::zero()));
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}
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let utilization_rate = self.liquidity.utilization_rate()?;
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let kink_rate = Rate::try_from(
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Decimal::from(self.bonus.kink_util_rate).try_div(Decimal::from(10000 as u64))?
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)?;
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if utilization_rate < kink_rate {
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let normalized_rate = utilization_rate.try_div(kink_rate)?;
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let min_rate = Rate::from_percent(0);
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let rate_range = Rate::from_percent(50);
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let mining_rate = normalized_rate.try_mul(rate_range)?.try_add(min_rate)?;
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Ok((mining_rate,Rate::one().try_sub(mining_rate)?))
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} else {
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let normalized_rate = utilization_rate
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.try_sub(kink_rate)?
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.try_div(Rate::from_percent(100u8).try_sub(kink_rate)?)?;
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let min_rate = Rate::from_percent(50);
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let rate_range = Rate::from_percent(100u8).try_sub(min_rate)?;
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let mining_rate = normalized_rate.try_mul(rate_range)?.try_add(min_rate)?;
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Ok((mining_rate,Rate::one().try_sub(mining_rate)?))
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}
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Last modified 4mo ago
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