@kamino-finance/farms-sdk/dist/commands/harvest_klend_user_rewards.js

Farms SDK

"use strict";
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("@kamino-finance/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");
async function harvestKlendUserRewardsCommand(reserve, user, rewardMint) {
    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 = await 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 = (await farmsClient.getUserStateKeysForDelegatedFarm(userPk, farmPk))[0];
        let farmState = await 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 = await 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] = await 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 } = await 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);
    await (0, Farms_1.printSimulateTx)(env.provider.connection, txn);
}
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