fbonds-core
Version:
Banx protocol sdk
92 lines (91 loc) • 4.92 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.borrowerRefinanceToSame = void 0;
const token_1 = require("@coral-xyz/anchor/dist/cjs/utils/token");
const common_1 = require("../../../../../common");
const constants_1 = require("../../../../constants");
const helpers_1 = require("../../../../helpers");
const offer_1 = require("../../offer");
const anchor_1 = require("@coral-xyz/anchor");
const borrowerRefinanceToSame = (_a) => __awaiter(void 0, [_a], void 0, function* ({ programId, connection, accounts, args, sendTxn, }) {
const program = (0, helpers_1.returnAnchorProgram)(connection);
const instructions = [];
const bondTradeTransactionV2Seed = Math.ceil(Math.random() * 1000000);
const [bondTradeTransactionV2, bondTradeTransactionBump] = yield anchor_1.web3.PublicKey.findProgramAddress([
constants_1.ENCODER.encode(constants_1.BOND_TRADE_TRANSACTOIN_PREFIX),
accounts.userPubkey.toBuffer(),
constants_1.ENCODER.encode(bondTradeTransactionV2Seed.toString()),
], program.programId);
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.previousLender.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 oldVaultSplTokenAccountUninitialized = yield (0, common_1.findAssociatedTokenAddress)(lenderVault, splTokenMint);
const protocolFeeReceiverSplTokenAccountUninitialized = yield (0, common_1.findAssociatedTokenAddress)(accounts.protocolFeeReceiver, splTokenMint);
const lenderSplTokenAccountUninitialized = yield (0, common_1.findAssociatedTokenAddress)(accounts.previousLender, splTokenMint);
const remainingAccounts = [
{
pubkey: accounts.oraclePriceFeed ? accounts.oraclePriceFeed : constants_1.EMPTY_PUBKEY,
isSigner: false,
isWritable: true,
},
];
const [rentVault, rentVaultBump] = yield anchor_1.web3.PublicKey.findProgramAddress([
constants_1.ENCODER.encode(constants_1.RENT_VAULT),
], program.programId);
instructions.push(yield program.methods
.borrowerRefinanceToSame(new anchor_1.BN(args.solToRefinance), new anchor_1.BN(bondTradeTransactionV2Seed), new anchor_1.BN(args.aprRate))
.accountsStrict({
oldBondTradeTransaction: accounts.previousBondTradeTransaction,
fbond: accounts.fbond,
bondOfferV2: accounts.bondOffer,
bondTradeTransaction: bondTradeTransactionV2,
user: accounts.userPubkey,
protocolFeeReceiver: accounts.protocolFeeReceiver,
hadoMarket: accounts.hadoMarket,
systemProgram: anchor_1.web3.SystemProgram.programId,
rent: anchor_1.web3.SYSVAR_RENT_PUBKEY,
userSplTokenAccountUninitialized,
vaultSplTokenAccountUninitialized,
protocolFeeReceiverSplTokenAccountUninitialized,
splTokenMint,
tokenProgram: token_1.TOKEN_PROGRAM_ID,
oldVaultSplTokenAccountUninitialized,
associatedTokenProgram: token_1.ASSOCIATED_PROGRAM_ID,
lenderSplTokenAccountUninitialized,
lenderVault: lenderVault,
rentVault,
})
.remainingAccounts(remainingAccounts)
.instruction());
const transaction = new anchor_1.web3.Transaction();
for (let instruction of instructions)
transaction.add(instruction);
const signers = [];
yield sendTxn(transaction, signers);
return {
instructions,
signers,
accounts: {
fraktBond: accounts.fbond,
bondOffer: accounts.bondOffer,
bondTradeTransaction: bondTradeTransactionV2,
previousBondTradeTransaction: accounts.previousBondTradeTransaction,
lenderVault
},
};
});
exports.borrowerRefinanceToSame = borrowerRefinanceToSame;