fbonds-core

Version:
Banx protocol sdk
70 lines (69 loc) • 3.71 kB
JavaScript
"use strict";
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());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.repayPartialPerpetualLoan = void 0;
const token_1 = require("@coral-xyz/anchor/dist/cjs/utils/token");
const common_1 = require("../../../../../common");
const constants_1 = require("../../../../constants");
const offer_1 = require("../../offer");
const helpers_1 = require("./../../../../helpers");
const anchor_1 = require("@coral-xyz/anchor");
const repayPartialPerpetualLoan = (_a) => __awaiter(void 0, [_a], void 0, function* ({ programId, connection, args, accounts, sendTxn, }) {
    const program = (0, helpers_1.returnAnchorProgram)(connection);
    const instructions = [];
    const repaidBondTradeTransaction = anchor_1.web3.Keypair.generate();
    const splTokenMint = (0, offer_1.getTokenMintFromLendingTokenType)(args.lendingTokenType);
    const [lenderVault, lenderVaultBump] = yield anchor_1.web3.PublicKey.findProgramAddress([
        constants_1.ENCODER.encode(constants_1.USER_VAULT_PREFIX),
        accounts.lender.toBuffer(),
        splTokenMint.toBuffer()
    ], program.programId);
    const userSplTokenAccountUninitialized = yield (0, common_1.findAssociatedTokenAddress)(accounts.userPubkey, splTokenMint);
    const vaultSplTokenAccountUninitialized = yield (0, common_1.findAssociatedTokenAddress)(lenderVault, splTokenMint);
    const protocolFeeReceiverSplTokenAccountUninitialized = yield (0, common_1.findAssociatedTokenAddress)(accounts.protocolFeeReceiver, splTokenMint);
    instructions.push(yield program.methods
        .repayPartialPerpetualLoan(new anchor_1.BN(args.fractionToRepay))
        .accountsStrict({
        user: accounts.userPubkey,
        fbond: accounts.fbond,
        oldBondTradeTransaction: accounts.oldBondTradeTransaction,
        repaidBondTradeTransaction: repaidBondTradeTransaction.publicKey,
        protocolFeeReceiver: accounts.protocolFeeReceiver,
        systemProgram: anchor_1.web3.SystemProgram.programId,
        rent: anchor_1.web3.SYSVAR_RENT_PUBKEY,
        oldBondOffer: accounts.oldBondOffer,
        lenderVault,
        tokenProgram: token_1.TOKEN_PROGRAM_ID,
        userSplTokenAccountUninitialized,
        protocolFeeReceiverSplTokenAccountUninitialized,
        splTokenMint,
        vaultSplTokenAccountUninitialized,
        associatedTokenProgram: token_1.ASSOCIATED_PROGRAM_ID,
    })
        .instruction());
    const transaction = new anchor_1.web3.Transaction();
    for (let instruction of instructions)
        transaction.add(instruction);
    const signers = [repaidBondTradeTransaction];
    yield sendTxn(transaction, signers);
    return {
        instructions,
        signers,
        accounts: {
            fraktBond: accounts.fbond,
            oldBondOffer: accounts.oldBondOffer,
            oldBondTradeTransaction: accounts.oldBondTradeTransaction,
            repaidBondTradeTransaction: repaidBondTradeTransaction.publicKey,
            lenderVault,
        }
    };
});
exports.repayPartialPerpetualLoan = repayPartialPerpetualLoan;