@rainfi/sdk/dist/utils/layout.utils.js

This package is used to interact with Rain.fi protocol on Solana

"use strict";
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    if (k2 === undefined) k2 = k;
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var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
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var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.MORTGAGE_ACCOUNT_LAYOUT = exports.RAIN_CUSTOM_MORTGAGE_LAYOUT = exports.RAIN_CUSTOM_LOAN_LAYOUT = exports.COLLECTION_GLOBAL_OFFER_LAYOUT = exports.GLOBAL_OFFER_WHITELIST_LAYOUT = exports.COLLECTION_ACCOUNT_LAYOUT = exports.POOL_ACCOUNT_LAYOUT = exports.LOAN_ACCOUNT_LAYOUT = exports.ESCROW_ACCOUNT_DATA_LAYOUT = exports.uint32 = exports.publicKey = void 0;
const web3_js_1 = require("@solana/web3.js");
const BufferLayout = __importStar(require("buffer-layout"));
const bn_js_1 = __importDefault(require("bn.js"));
/**
 * Layout for a public key
 */
const publicKey = (property = 'publicKey') => {
    const publicKeyLayout = BufferLayout.blob(32, property);
    const _decode = publicKeyLayout.decode.bind(publicKeyLayout);
    const _encode = publicKeyLayout.encode.bind(publicKeyLayout);
    publicKeyLayout.decode = (buffer, offset) => {
        const data = _decode(buffer, offset);
        return new web3_js_1.PublicKey(data);
    };
    publicKeyLayout.encode = (key, buffer, offset) => {
        return _encode(key.toBuffer(), buffer, offset);
    };
    return publicKeyLayout;
};
exports.publicKey = publicKey;
/**
 * Layout for a 64bit unsigned value
 */
const uint32 = (property = 'uint32') => {
    const layout = BufferLayout.blob(4, property);
    const _decode = layout.decode.bind(layout);
    const _encode = layout.encode.bind(layout);
    layout.decode = (buffer, offset) => {
        const data = _decode(buffer, offset);
        return new bn_js_1.default([...data]
            .reverse()
            .map(i => `00${i.toString(16)}`.slice(-2))
            .join(''), 16);
    };
    layout.encode = (num, buffer, offset) => {
        const a = num.toArray().reverse();
        let b = Buffer.from(a);
        if (b.length !== 8) {
            const zeroPad = Buffer.alloc(8);
            b.copy(zeroPad);
            b = zeroPad;
        }
        return _encode(b, buffer, offset);
    };
    return layout;
};
exports.uint32 = uint32;
exports.ESCROW_ACCOUNT_DATA_LAYOUT = BufferLayout.struct([
    BufferLayout.u8("isInitialized"),
    BufferLayout.blob(32, "initializerPubkey"),
    BufferLayout.blob(32, "initializerTempTokenAccountPubkey"),
    BufferLayout.blob(8, "expectedAmount"),
]);
exports.LOAN_ACCOUNT_LAYOUT = BufferLayout.struct([
    BufferLayout.blob(8, "padding"),
    BufferLayout.blob(1, "status"),
    BufferLayout.blob(32, "borrower"),
    BufferLayout.blob(32, "lender"),
    BufferLayout.blob(32, "pool"),
    BufferLayout.blob(32, "mint"),
    BufferLayout.blob(32, "currency"),
    BufferLayout.blob(1, "is_custom"),
    BufferLayout.blob(8, "interest"),
    BufferLayout.blob(8, "amount"),
    BufferLayout.blob(8, "duration"),
    BufferLayout.blob(4, "collection"),
    BufferLayout.blob(2, "liquidation"),
    BufferLayout.blob(8, "created_at"),
    BufferLayout.blob(8, "expired_at"),
    BufferLayout.blob(8, "repaid_at"),
    BufferLayout.blob(8, "liquidated_at"),
    BufferLayout.blob(64, "padding"),
]);
exports.POOL_ACCOUNT_LAYOUT = BufferLayout.struct([
    BufferLayout.blob(8, "padding"),
    BufferLayout.blob(1, "bump"),
    BufferLayout.blob(32, "owner"),
    BufferLayout.blob(32, "mint"),
    BufferLayout.blob(32, "oracle_pool_usd"),
    BufferLayout.blob(32, "oracle_sol_usd"),
    BufferLayout.blob(1, "status"),
    BufferLayout.blob(8, "deposited_amount"),
    BufferLayout.blob(8, "total_amount"),
    BufferLayout.blob(8, "borrowed_amount"),
    BufferLayout.blob(8, "available_amount"),
    BufferLayout.blob(8, "usable_amount"),
    BufferLayout.blob(8, "max_amount"),
    BufferLayout.blob(8, "interest_curve"),
    BufferLayout.blob(8, "interest_gap"),
    BufferLayout.blob(8, "max_duration"),
    BufferLayout.blob(2, "loan_to_value"),
    BufferLayout.blob(1, "interest_type"),
    BufferLayout.blob(8, "interest_rate"),
    BufferLayout.blob(1, "compound"),
    BufferLayout.blob(1, "is_mortgage_enabled"),
    BufferLayout.blob(8, "mortgage_interest_curve"),
    BufferLayout.blob(8, "mortgage_interest_gap"),
    BufferLayout.blob(8, "mortgage_fixed_interest"),
    BufferLayout.blob(8, "mortgage_max_duration"),
    BufferLayout.blob(8, "nft_locked"),
    BufferLayout.blob(8, "total_liquidations"),
    BufferLayout.blob(8, "total_loans"),
    BufferLayout.blob(8, "total_mortgage"),
    BufferLayout.blob(8, "total_interest"),
    BufferLayout.blob(8, "deposited_at"),
    BufferLayout.blob(8, "created_at"),
    BufferLayout.blob(8, "updated_at"),
    BufferLayout.blob(8, "last_loan_at"),
    BufferLayout.blob(8, "last_mortgage_at"),
    BufferLayout.blob(2, "loan_liquidation"),
    BufferLayout.blob(2, "mortgage_liquidation"),
    BufferLayout.blob(4, "padding3"),
    BufferLayout.blob((19 * 8), "padding1"),
    BufferLayout.blob(6 * 50, "collections"),
]);
exports.COLLECTION_ACCOUNT_LAYOUT = BufferLayout.struct([
    BufferLayout.blob(8, "padding"),
    BufferLayout.blob(4, "collection_id"),
    BufferLayout.blob(128, "name"),
    BufferLayout.blob(1, "risk"),
    BufferLayout.blob(32, "creator"),
    BufferLayout.blob(32, "collection"),
    BufferLayout.blob(8, "floor_price"),
    BufferLayout.blob(8, "supply"),
    BufferLayout.blob(8, "nft_locked"),
    BufferLayout.blob(1, "is_locked"),
    BufferLayout.blob(8, "created_at"),
    BufferLayout.blob(8, "updated_at"),
]);
exports.GLOBAL_OFFER_WHITELIST_LAYOUT = BufferLayout.struct([
    BufferLayout.blob(8, "padding"),
    BufferLayout.blob(4, "collection_id"),
]);
exports.COLLECTION_GLOBAL_OFFER_LAYOUT = BufferLayout.struct([
    BufferLayout.blob(8, "padding"),
    BufferLayout.blob(128, "name"),
    BufferLayout.blob(32, "authority"),
    BufferLayout.blob(32, "creator"),
    BufferLayout.blob(32, "collection"),
    BufferLayout.blob(4, "collection_id"),
    BufferLayout.blob(8 + 8 + 8 + 8 + 1 + 1 + 8 + 8 + 8, "rest"),
]);
exports.RAIN_CUSTOM_LOAN_LAYOUT = BufferLayout.struct([
    BufferLayout.blob(8, "padding"),
    BufferLayout.blob(1, "status"),
    BufferLayout.blob(32, "borrower"),
    BufferLayout.blob(32, "mint"),
    BufferLayout.blob(32, "pool"),
    BufferLayout.blob(8, "amount"),
    BufferLayout.blob(8, "duration"),
    BufferLayout.blob(4, "collection"),
    BufferLayout.blob(8, "created_at"),
    BufferLayout.blob(73, "rest"),
]);
exports.RAIN_CUSTOM_MORTGAGE_LAYOUT = BufferLayout.struct([
    BufferLayout.blob(8, "padding"),
    BufferLayout.blob(1, "status"),
    BufferLayout.blob(32, "borrower"),
    BufferLayout.blob(32, "mint"),
    BufferLayout.blob(32, "escrow_address"),
    BufferLayout.blob(32, "seller"),
    BufferLayout.blob(32, "pool"),
    BufferLayout.blob(1, "marketplace"),
    BufferLayout.blob(8, "amount"),
    BufferLayout.blob(8, "price"),
    BufferLayout.blob(8, "duration"),
    BufferLayout.blob(4, "collection"),
    BufferLayout.blob(8, "created_at"),
    BufferLayout.blob(64, "rest"),
]);
exports.MORTGAGE_ACCOUNT_LAYOUT = BufferLayout.struct([
    BufferLayout.blob(8, "padding"),
    BufferLayout.blob(1, "status"),
    BufferLayout.blob(32, "borrower"),
    BufferLayout.blob(32, "pool"),
    BufferLayout.blob(32, "mint"),
    BufferLayout.blob(1, "marketplace"),
    BufferLayout.blob(1, "is_for_sale"),
    BufferLayout.blob(8, "sale_price"),
    BufferLayout.blob(8, "loan_to_value"),
    BufferLayout.blob(1, "is_frozen"),
    BufferLayout.blob(8, "interest"),
    BufferLayout.blob(8, "repaid"),
    BufferLayout.blob(8, "amount"),
    BufferLayout.blob(8, "price"),
    BufferLayout.blob(8, "duration"),
    BufferLayout.blob(4, "collection"),
    BufferLayout.blob(2, "liquidation"),
    BufferLayout.blob(8, "created_at"),
    BufferLayout.blob(8, "expired_at"),
    BufferLayout.blob(8, "sold_at"),
    BufferLayout.blob(8, "repaid_at"),
    BufferLayout.blob(8, "liquidated_at"),
]);
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