@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
114 lines • 4.71 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PriceUpdateV2 = exports.PYTH_RECEIVER_PROGRAM_ID = void 0;
const web3_js_1 = require("@solana/web3.js");
const bn_js_1 = __importDefault(require("bn.js")); // eslint-disable-line @typescript-eslint/no-unused-vars
const borsh = __importStar(require("@coral-xyz/borsh")); // eslint-disable-line @typescript-eslint/no-unused-vars
const types = __importStar(require("../types"));
exports.PYTH_RECEIVER_PROGRAM_ID = new web3_js_1.PublicKey('rec5EKMGg6MxZYaMdyBfgwp4d5rB9T1VQH5pJv5LtFJ');
class PriceUpdateV2 {
writeAuthority;
verificationLevel;
priceMessage;
postedSlot;
// static readonly discriminator = Buffer.from([
// 43, 242, 204, 202, 26, 247, 59, 127,
// ])
static layout = borsh.struct([
borsh.publicKey('writeAuthority'),
borsh.u8('verificationLevel'),
types.PriceFeedMessage.layout('priceMessage'),
borsh.u64('postedSlot'),
]);
constructor(fields) {
this.writeAuthority = fields.writeAuthority;
this.verificationLevel = fields.verificationLevel;
this.priceMessage = new types.PriceFeedMessage({ ...fields.priceMessage });
this.postedSlot = fields.postedSlot;
}
static async fetch(c, address, programId = exports.PYTH_RECEIVER_PROGRAM_ID) {
const info = await c.getAccountInfo(address);
if (info === null) {
return null;
}
if (!info.owner.equals(programId)) {
throw new Error("account doesn't belong to this program");
}
return this.decode(info.data);
}
static async fetchMultiple(c, addresses, programId = exports.PYTH_RECEIVER_PROGRAM_ID) {
const infos = await c.getMultipleAccountsInfo(addresses);
return infos.map((info) => {
if (info === null) {
return null;
}
if (!info.owner.equals(programId)) {
throw new Error("account doesn't belong to this program");
}
return this.decode(info.data);
});
}
static decode(data) {
const dec = PriceUpdateV2.layout.decode(data.slice(8));
return new PriceUpdateV2({
writeAuthority: dec.writeAuthority,
verificationLevel: dec.verificationLevel,
priceMessage: types.PriceFeedMessage.fromDecoded(dec.priceMessage),
postedSlot: dec.postedSlot,
});
}
toJSON() {
return {
writeAuthority: this.writeAuthority.toString(),
verificationLevel: this.verificationLevel.toJSON(),
priceMessage: this.priceMessage.toJSON(),
postedSlot: this.postedSlot.toString(),
};
}
static fromJSON(obj) {
return new PriceUpdateV2({
writeAuthority: new web3_js_1.PublicKey(obj.writeAuthority),
verificationLevel: types.VerificationLevel.fromJSON(obj.verificationLevel),
priceMessage: types.PriceFeedMessage.fromJSON(obj.priceMessage),
postedSlot: new bn_js_1.default(obj.postedSlot),
});
}
}
exports.PriceUpdateV2 = PriceUpdateV2;
//# sourceMappingURL=PriceUpdateV2.js.map