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Reapply "feat: implement auto-pump mechanism to prevent pool drainage"

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This reverts commit fdfba7efd2.
This commit is contained in:
Face 2025-05-31 20:49:39 +03:00
parent fdfba7efd2
commit f240b96847
8 changed files with 1727 additions and 29 deletions
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34
website/src/lib/components/self/TradeModal.svelte
View file

@ -34,6 +34,7 @@
: userHolding
);
let estimatedResult = $derived(calculateEstimate(numericAmount, type, currentPrice));
let estimatedAutoPump = $derived(calculateAutoPumpEffects(numericAmount, type, coin));
let hasValidAmount = $derived(numericAmount > 0);
let userBalance = $derived($PORTFOLIO_DATA ? $PORTFOLIO_DATA.baseCurrencyBalance : 0);
let hasEnoughFunds = $derived(
@ -64,6 +65,25 @@
}
}
function calculateAutoPumpEffects(amount: number, tradeType: 'BUY' | 'SELL', coinData: any) {
if (!amount) return { fee: 0, burn: 0 };
const pumpFeeRate = Number(coinData.pumpFeeRate || 0.005);
const burnRate = Number(coinData.burnRate || 0.001);
if (tradeType === 'BUY') {
const fee = amount * pumpFeeRate;
const estimatedTokens = calculateEstimate(amount, tradeType, currentPrice).result;
const burn = estimatedTokens * burnRate;
return { fee, burn };
} else {
const estimatedValue = calculateEstimate(amount, tradeType, currentPrice).result;
const fee = estimatedValue * pumpFeeRate;
const burn = amount * burnRate;
return { fee, burn };
}
}
function handleClose() {
open = false;
amount = '';
@ -183,6 +203,20 @@
: `~$${estimatedResult.result.toFixed(6)}`}
</span>
</div>
{#if estimatedAutoPump.fee > 0 || estimatedAutoPump.burn > 0}
<div class="border-muted mt-2 border-t pt-2">
<div class="text-muted-foreground text-xs">
<div class="mb-1 flex items-center justify-between">
<span>🔥 Auto-pump fee (0.5%):</span>
<span>+${estimatedAutoPump.fee.toFixed(6)} to pool</span>
</div>
<div class="flex items-center justify-between">
<span>🔥 Token burn (0.1%):</span>
<span>-{estimatedAutoPump.burn.toFixed(6)} {coin.symbol}</span>
</div>
</div>
</div>
{/if}
<p class="text-muted-foreground mt-1 text-xs">
AMM estimation - includes slippage from pool impact
</p>

4
website/src/lib/server/db/schema.ts
View file

@ -83,6 +83,8 @@ export const coin = pgTable("coin", {
change24h: decimal("change_24h", { precision: 30, scale: 4 }).default("0.0000"), // Percentage
poolCoinAmount: decimal("pool_coin_amount", { precision: 30, scale: 8 }).notNull().default("0.00000000"),
poolBaseCurrencyAmount: decimal("pool_base_currency_amount", { precision: 30, scale: 8, }).notNull().default("0.00000000"),
pumpFeeRate: decimal("pump_fee_rate", { precision: 10, scale: 8 }).notNull().default("0.00500000"), // 0.5%
burnRate: decimal("burn_rate", { precision: 10, scale: 8 }).notNull().default("0.00100000"), // 0.1%
createdAt: timestamp("created_at", { withTimezone: true }).notNull().defaultNow(),
updatedAt: timestamp("updated_at", { withTimezone: true }).notNull().defaultNow(),
isListed: boolean("is_listed").default(true).notNull(),
@ -109,6 +111,8 @@ export const transaction = pgTable("transaction", {
quantity: decimal("quantity", { precision: 30, scale: 8 }).notNull(),
pricePerCoin: decimal("price_per_coin", { precision: 20, scale: 8 }).notNull(),
totalBaseCurrencyAmount: decimal("total_base_currency_amount", { precision: 30, scale: 8 }).notNull(),
pumpFeeApplied: decimal("pump_fee_applied", { precision: 30, scale: 8 }).default("0.00000000"),
tokensBurned: decimal("tokens_burned", { precision: 30, scale: 8 }).default("0.00000000"),
timestamp: timestamp("timestamp", { withTimezone: true }).notNull().defaultNow(),
recipientUserId: integer('recipient_user_id').references(() => user.id, { onDelete: 'set null' }),
senderUserId: integer('sender_user_id').references(() => user.id, { onDelete: 'set null' }),

2
website/src/lib/types/market.ts
View file

@ -8,6 +8,8 @@ export interface CoinData {
change24h: number;
createdAt: string;
creatorName: string | null;
pumpFeeRate?: number;
burnRate?: number;
}
export interface MarketFilters {