@drift-labs/sdk
Version:
SDK for Drift Protocol
56 lines (55 loc) • 2.28 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.calculatePerpFuelBonus = exports.calculateSpotFuelBonus = exports.calculateInsuranceFuelBonus = void 0;
const anchor_1 = require("@coral-xyz/anchor");
const numericConstants_1 = require("../constants/numericConstants");
function calculateInsuranceFuelBonus(spotMarket, tokenStakeAmount, fuelBonusNumerator) {
const result = tokenStakeAmount
.abs()
.mul(fuelBonusNumerator)
.mul(new anchor_1.BN(spotMarket.fuelBoostInsurance))
.div(numericConstants_1.FUEL_WINDOW)
.div(numericConstants_1.QUOTE_PRECISION.div(new anchor_1.BN(10)));
return result;
}
exports.calculateInsuranceFuelBonus = calculateInsuranceFuelBonus;
function calculateSpotFuelBonus(spotMarket, signedTokenValue, fuelBonusNumerator) {
let result;
if (signedTokenValue.abs().lte(numericConstants_1.QUOTE_PRECISION)) {
result = numericConstants_1.ZERO;
}
else if (signedTokenValue.gt(new anchor_1.BN(0))) {
result = signedTokenValue
.abs()
.mul(fuelBonusNumerator)
.mul(new anchor_1.BN(spotMarket.fuelBoostDeposits))
.div(numericConstants_1.FUEL_WINDOW)
.div(numericConstants_1.QUOTE_PRECISION.div(new anchor_1.BN(10)));
}
else {
result = signedTokenValue
.abs()
.mul(fuelBonusNumerator)
.mul(new anchor_1.BN(spotMarket.fuelBoostBorrows))
.div(numericConstants_1.FUEL_WINDOW)
.div(numericConstants_1.QUOTE_PRECISION.div(new anchor_1.BN(10)));
}
return result;
}
exports.calculateSpotFuelBonus = calculateSpotFuelBonus;
function calculatePerpFuelBonus(perpMarket, baseAssetValue, fuelBonusNumerator) {
let result;
if (baseAssetValue.abs().lte(numericConstants_1.QUOTE_PRECISION)) {
result = new anchor_1.BN(0);
}
else {
result = baseAssetValue
.abs()
.mul(fuelBonusNumerator)
.mul(new anchor_1.BN(perpMarket.fuelBoostPosition))
.div(numericConstants_1.FUEL_WINDOW)
.div(numericConstants_1.QUOTE_PRECISION.div(new anchor_1.BN(10)));
}
return result;
}
exports.calculatePerpFuelBonus = calculatePerpFuelBonus;