@frakt-protocol/frakt-sdk
Version:
Frakt SDK for interacting with frakt.xyz protocols
75 lines (74 loc) • 3.8 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.proposeLoanIx = void 0;
const mpl_token_metadata_1 = require("@metaplex-foundation/mpl-token-metadata");
const anchor_1 = require("@project-serum/anchor");
const common_1 = require("../../../common");
const constants_1 = require("../../constants");
const helpers_1 = require("../../helpers");
const proposeLoanIx = ({ proposedNftPrice, programId, connection, user, nftMint, isPriceBased, loanToValue, admin, }) => __awaiter(void 0, void 0, void 0, function* () {
var _a;
const program = (0, helpers_1.returnAnchorProgram)(programId, connection);
const loan = anchor_1.web3.Keypair.generate();
const encoder = new TextEncoder();
const [communityPoolsAuthority, bumpPoolsAuth] = yield anchor_1.web3.PublicKey.findProgramAddress([encoder.encode('nftlendingv2'), programId.toBuffer()], programId);
const nftUserTokenAccount = yield (0, common_1.findAssociatedTokenAddress)(user, nftMint);
const editionId = (0, helpers_1.getMetaplexEditionPda)(nftMint);
const nftMetadata = (0, helpers_1.getMetaplexMetadata)(nftMint);
const tokenRecordInfo = (0, helpers_1.findTokenRecordPda)(nftMint, nftUserTokenAccount);
const metadataAccount = yield mpl_token_metadata_1.Metadata.fromAccountAddress(connection, nftMetadata);
const ruleSet = (_a = metadataAccount.programmableConfig) === null || _a === void 0 ? void 0 : _a.ruleSet;
const tokenRecordData = metadataAccount.tokenStandard === mpl_token_metadata_1.TokenStandard.ProgrammableNonFungible
? yield mpl_token_metadata_1.TokenRecord.fromAccountAddress(connection, tokenRecordInfo)
: { delegate: null };
const delegatePubkey = tokenRecordData.delegate;
const ix = yield program.methods
.proposeLoanNew(isPriceBased, proposedNftPrice, loanToValue)
.accountsStrict({
loan: loan.publicKey,
user: user,
nftUserTokenAccount,
nftMint: nftMint,
communityPoolsAuthority,
instructions: anchor_1.web3.SYSVAR_INSTRUCTIONS_PUBKEY,
authorizationRulesProgram: constants_1.AUTHORIZATION_RULES_PROGRAM,
nftMetadata,
tokenRecordInfo,
tokenProgram: anchor_1.utils.token.TOKEN_PROGRAM_ID,
rent: anchor_1.web3.SYSVAR_RENT_PUBKEY,
systemProgram: anchor_1.web3.SystemProgram.programId,
metadataProgram: constants_1.METADATA_PROGRAM_PUBKEY,
admin,
editionInfo: editionId,
})
.remainingAccounts([
{
pubkey: ruleSet || constants_1.METADATA_PROGRAM_PUBKEY,
isSigner: false,
isWritable: false,
},
{
pubkey: delegatePubkey || constants_1.METADATA_PROGRAM_PUBKEY,
isSigner: false,
isWritable: false,
},
])
.instruction();
const ixs = [];
ixs.push(anchor_1.web3.ComputeBudgetProgram.setComputeUnitLimit({
units: Math.random() * 50000 + 425000,
// additionalFee: 0,
}));
ixs.push(ix);
return { loan: loan, ixs };
});
exports.proposeLoanIx = proposeLoanIx;