banx-vaults-sdk/lib/banx-vaults/functions/banxVaultsUser/helpers.js

Fbonds SDK for interacting with protocol banx vaults

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.calculateRewards = void 0;
const anchor_1 = require("@coral-xyz/anchor");
const constants_1 = require("../../constants");
const helpers_1 = require("../../helpers");
const calculateRewards = (args) => {
    let deltaLossCumulative = args.banxPool.lossCumulative
        .sub(args.banxUserDeposit.lossCumulative);
    // Если есть прирост убытков, пересчитываем депозит
    const lossForUser = args.banxUserDeposit.depositAmount
        .mul(deltaLossCumulative)
        .div(constants_1.MUL_FOR_APR);
    // Уменьшаем депозит пользователя
    const newDepositAmount = args.banxUserDeposit.depositAmount
        .sub(lossForUser);
    let diffTime = new anchor_1.BN((0, helpers_1.nowInSeconds)()).sub(args.banxPool.lastTime);
    if (diffTime.cmp(args.banxPool.period) == 1) {
        diffTime = args.banxPool.period;
    }
    const cumulative = diffTime
        .mul(args.banxPool.apr)
        .add(args.banxPool.cumulative);
    let harvestAmount = cumulative
        .sub(args.banxUserDeposit.depositedAtCumulative)
        .mul(newDepositAmount)
        .div(constants_1.MUL_FOR_APR);
    return harvestAmount;
};
exports.calculateRewards = calculateRewards;