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https://github.com/bitcoinresearchkit/brk.git
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global: reorg fixes + clients improved
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@@ -1,6 +1,6 @@
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use std::ops::Bound;
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use brk_types::{Dollars, Sats};
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use brk_types::{CentsUnsigned, Dollars, Sats};
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use vecdb::CheckedSub;
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use super::price_to_amount::PriceToAmount;
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@@ -11,6 +11,10 @@ pub struct UnrealizedState {
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pub supply_in_loss: Sats,
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pub unrealized_profit: Dollars,
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pub unrealized_loss: Dollars,
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/// Invested capital in profit: Σ(sats × price) where price <= spot
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pub invested_capital_in_profit: Dollars,
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/// Invested capital in loss: Σ(sats × price) where price > spot
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pub invested_capital_in_loss: Dollars,
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}
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impl UnrealizedState {
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@@ -19,6 +23,8 @@ impl UnrealizedState {
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supply_in_loss: Sats::ZERO,
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unrealized_profit: Dollars::NAN,
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unrealized_loss: Dollars::NAN,
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invested_capital_in_profit: Dollars::NAN,
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invested_capital_in_loss: Dollars::NAN,
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};
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pub const ZERO: Self = Self {
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@@ -26,6 +32,8 @@ impl UnrealizedState {
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supply_in_loss: Sats::ZERO,
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unrealized_profit: Dollars::ZERO,
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unrealized_loss: Dollars::ZERO,
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invested_capital_in_profit: Dollars::ZERO,
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invested_capital_in_loss: Dollars::ZERO,
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};
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}
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@@ -62,14 +70,17 @@ impl CachedUnrealizedState {
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/// Update cached state when a receive happens.
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/// Determines profit/loss classification relative to cached price.
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pub fn on_receive(&mut self, purchase_price: Dollars, sats: Sats) {
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let invested_capital = purchase_price * sats;
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if purchase_price <= self.at_price {
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self.state.supply_in_profit += sats;
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self.state.invested_capital_in_profit += invested_capital;
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if purchase_price < self.at_price {
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let diff = self.at_price.checked_sub(purchase_price).unwrap();
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self.state.unrealized_profit += diff * sats;
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}
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} else {
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self.state.supply_in_loss += sats;
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self.state.invested_capital_in_loss += invested_capital;
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let diff = purchase_price.checked_sub(self.at_price).unwrap();
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self.state.unrealized_loss += diff * sats;
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}
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@@ -77,9 +88,15 @@ impl CachedUnrealizedState {
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/// Update cached state when a send happens from historical price.
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pub fn on_send(&mut self, historical_price: Dollars, sats: Sats) {
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let invested_capital = historical_price * sats;
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if historical_price <= self.at_price {
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// Was in profit
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self.state.supply_in_profit -= sats;
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self.state.invested_capital_in_profit = self
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.state
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.invested_capital_in_profit
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.checked_sub(invested_capital)
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.unwrap();
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if historical_price < self.at_price {
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let diff = self.at_price.checked_sub(historical_price).unwrap();
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let profit_removed = diff * sats;
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@@ -92,6 +109,11 @@ impl CachedUnrealizedState {
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} else {
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// Was in loss
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self.state.supply_in_loss -= sats;
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self.state.invested_capital_in_loss = self
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.state
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.invested_capital_in_loss
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.checked_sub(invested_capital)
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.unwrap();
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let diff = historical_price.checked_sub(self.at_price).unwrap();
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let loss_removed = diff * sats;
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self.state.unrealized_loss = self
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@@ -210,14 +232,17 @@ impl CachedUnrealizedState {
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let mut state = UnrealizedState::ZERO;
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for (price, &sats) in price_to_amount.iter() {
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let invested_capital = price * sats;
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if price <= current_price {
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state.supply_in_profit += sats;
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state.invested_capital_in_profit += invested_capital;
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if price < current_price {
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let diff = current_price.checked_sub(price).unwrap();
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state.unrealized_profit += diff * sats;
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}
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} else {
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state.supply_in_loss += sats;
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state.invested_capital_in_loss += invested_capital;
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let diff = price.checked_sub(current_price).unwrap();
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state.unrealized_loss += diff * sats;
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}
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