@orca-so/whirlpool-sdk
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Whirlpool SDK for the Orca protocol.
85 lines (84 loc) • 4.01 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.OrcaWhirlpoolClient = void 0;
const spl_token_1 = require("@solana/spl-token");
const decimal_js_1 = __importDefault(require("decimal.js"));
const token_price_1 = require("../utils/token-price");
const convert_data_1 = require("./convert-data");
const address_1 = require("../utils/address");
// Global rules for Decimals
// - 40 digits of precision for the largest number
// - 20 digits of precision for the smallest number
// - Always round towards 0 to mirror smart contract rules
decimal_js_1.default.set({ precision: 40, toExpPos: 40, toExpNeg: -20, rounding: 1 });
class OrcaWhirlpoolClient {
constructor(context) {
this.ctx = context;
}
/**
* Use on-chain dex data to derive usd prices for tokens.
*
* @param poolAddresses pools to be used for price discovery
* @param baseTokenMint a token mint with known stable usd price (e.g. USDC)
* @param baseTokenUSDPrice baseTokenMint's usd price. defaults to 1, assuming `baseTokenMint` is a USD stable coin
* @param otherBaseTokenMints optional list of token mints to prioritize as base
* @param refresh defaults to refreshing the cache
*/
getTokenPrices(poolAddresses, baseTokenMint, baseTokenUSDPrice = new decimal_js_1.default(1), otherBaseTokenMints = [spl_token_1.NATIVE_MINT], refresh = true) {
return __awaiter(this, void 0, void 0, function* () {
const allPools = yield this.ctx.accountFetcher.listPools(poolAddresses, refresh);
const pools = allPools.filter((pool) => pool !== null);
return (0, token_price_1.getTokenUSDPrices)(this.ctx.accountFetcher, pools, baseTokenMint, baseTokenUSDPrice, otherBaseTokenMints);
});
}
/**
* Fetch position data owned by the wallet address.
*
* @param walletAddress wallet address
* @param refresh defaults to refreshing the cache
* @returns positions owned by the wallet address
*/
getUserPositions(walletAddress, refresh = true) {
return __awaiter(this, void 0, void 0, function* () {
return (0, convert_data_1.convertPositionDataToUserPositionData)(this.ctx, walletAddress, refresh);
});
}
/**
* Fetch list of pool data.
*
* @param poolAddresses list of pools to retrieve
* @param refresh defaults to refreshing the cache
* @returns list of pool data
*/
getPools(poolAddresses, refresh = true) {
return __awaiter(this, void 0, void 0, function* () {
return (0, convert_data_1.convertWhirlpoolDataToPoolData)(this.ctx, poolAddresses, refresh);
});
}
/**
* Fetch pool data.
*
* @param poolAddress pool address
* @param refresh defaults to refreshing the cache
* @returns pool data
*/
getPool(poolAddress, refresh = true) {
return __awaiter(this, void 0, void 0, function* () {
const pool = (yield this.getPools([poolAddress], refresh))[(0, address_1.toPubKey)(poolAddress).toBase58()];
return pool || null;
});
}
}
exports.OrcaWhirlpoolClient = OrcaWhirlpoolClient;