@hubbleprotocol/farms-sdk
Version:
82 lines • 4.45 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.harvestKlendUserRewardsCommand = harvestKlendUserRewardsCommand;
const scope_sdk_1 = require("@hubbleprotocol/scope-sdk");
const web3_js_1 = require("@solana/web3.js");
const decimal_js_1 = __importDefault(require("decimal.js"));
const Farms_1 = require("../Farms");
const accounts_1 = require("../rpc_client/accounts");
const utils_1 = require("../utils");
const utils_2 = require("./utils");
const klend_sdk_1 = require("@kamino-finance/klend-sdk");
function harvestKlendUserRewardsCommand(reserve, user, rewardMint) {
return __awaiter(this, void 0, void 0, function* () {
const admin = process.env.ADMIN;
const rpc = process.env.RPC;
const klendProgramId = process.env.KLEND_PROGRAM_ID;
const env = (0, utils_2.initializeClient)(rpc, admin, (0, utils_1.getFarmsProgramId)(rpc), false);
const farmsClient = new Farms_1.Farms(env.provider.connection);
const reservePubkey = new web3_js_1.PublicKey(reserve);
const reserveState = yield klend_sdk_1.Reserve.fetch(env.provider.connection, reservePubkey, new web3_js_1.PublicKey(klendProgramId || ""));
if (!reserveState) {
throw new Error("Reserve not found");
}
const collFarm = reserveState.farmCollateral;
const debtFarm = reserveState.farmDebt;
const farms = [
["Collateral", collFarm],
["Debt", debtFarm],
];
const ixs = [];
const ataIxns = [];
for (const [farmType, farm] of farms) {
const farmPk = new web3_js_1.PublicKey(farm);
const userPk = new web3_js_1.PublicKey(user);
const rewardMintPk = new web3_js_1.PublicKey(rewardMint);
const userStatePk = (yield farmsClient.getUserStateKeysForDelegatedFarm(userPk, farmPk))[0];
let farmState = yield accounts_1.FarmState.fetch(env.provider.connection, farmPk);
if (!farmState) {
throw new Error("Farm not found");
}
let userState = userStatePk.userState;
let oraclePrices = null;
if (!farmState.scopePrices.equals(web3_js_1.PublicKey.default)) {
oraclePrices = yield scope_sdk_1.OraclePrices.fetch(env.provider.connection, farmState.scopePrices);
}
let ts = new Date().getTime() / 1000;
let pendingAmount = (0, utils_1.calculatePendingRewards)(farmState, userState, 0, new decimal_js_1.default(ts), oraclePrices);
console.log(`Pending Amount for ${farmType} is ${pendingAmount.toString()}`);
let [thisAtaIxns, harvestIx] = yield farmsClient.claimForUserForFarmRewardIx(userPk, farmPk, rewardMintPk, true, 0);
ixs.push(...harvestIx);
ataIxns.push(...thisAtaIxns);
}
// Remove duplicate ataIxns that have the same value of the tuple as Pubkey
const seen = new Set();
let filteredAtaIxns = ataIxns
.filter((item) => {
let key = item[0].toString();
return seen.has(key) ? false : seen.add(key);
})
.map((item) => item[1])
.flat();
const { blockhash } = yield env.provider.connection.getLatestBlockhash();
let txn = new web3_js_1.Transaction();
txn.add(...filteredAtaIxns, ...ixs);
txn.recentBlockhash = blockhash;
txn.feePayer = new web3_js_1.PublicKey(user);
yield (0, Farms_1.printSimulateTx)(env.provider.connection, txn);
});
}
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