@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
150 lines • 6 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);
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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 = {};
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__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.OracleAccountData = void 0;
/* eslint-disable @typescript-eslint/no-unused-vars */
const kit_1 = require("@solana/kit");
/* eslint-enable @typescript-eslint/no-unused-vars */
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 utils_1 = require("../utils"); // eslint-disable-line @typescript-eslint/no-unused-vars
const types = __importStar(require("../types")); // eslint-disable-line @typescript-eslint/no-unused-vars
const programId_1 = require("../programId");
class OracleAccountData {
name;
metadata;
oracleAuthority;
lastHeartbeat;
numInUse;
tokenAccount;
queuePubkey;
metrics;
ebuf;
static discriminator = Buffer.from([
128, 30, 16, 241, 170, 73, 55, 54,
]);
static layout = borsh.struct([
borsh.array(borsh.u8(), 32, "name"),
borsh.array(borsh.u8(), 128, "metadata"),
(0, utils_1.borshAddress)("oracleAuthority"),
borsh.i64("lastHeartbeat"),
borsh.u32("numInUse"),
(0, utils_1.borshAddress)("tokenAccount"),
(0, utils_1.borshAddress)("queuePubkey"),
types.OracleMetrics.layout("metrics"),
borsh.array(borsh.u8(), 256, "ebuf"),
]);
constructor(fields) {
this.name = fields.name;
this.metadata = fields.metadata;
this.oracleAuthority = fields.oracleAuthority;
this.lastHeartbeat = fields.lastHeartbeat;
this.numInUse = fields.numInUse;
this.tokenAccount = fields.tokenAccount;
this.queuePubkey = fields.queuePubkey;
this.metrics = new types.OracleMetrics({ ...fields.metrics });
this.ebuf = fields.ebuf;
}
static async fetch(rpc, address, programId = programId_1.PROGRAM_ID) {
const info = await (0, kit_1.fetchEncodedAccount)(rpc, address);
if (!info.exists) {
return null;
}
if (info.programAddress !== programId) {
throw new Error("account doesn't belong to this program");
}
return this.decode(Buffer.from(info.data));
}
static async fetchMultiple(rpc, addresses, programId = programId_1.PROGRAM_ID) {
const infos = await (0, kit_1.fetchEncodedAccounts)(rpc, addresses);
return infos.map((info) => {
if (!info.exists) {
return null;
}
if (info.programAddress !== programId) {
throw new Error("account doesn't belong to this program");
}
return this.decode(Buffer.from(info.data));
});
}
static decode(data) {
if (!data.slice(0, 8).equals(OracleAccountData.discriminator)) {
throw new Error("invalid account discriminator");
}
const dec = OracleAccountData.layout.decode(data.slice(8));
return new OracleAccountData({
name: dec.name,
metadata: dec.metadata,
oracleAuthority: dec.oracleAuthority,
lastHeartbeat: dec.lastHeartbeat,
numInUse: dec.numInUse,
tokenAccount: dec.tokenAccount,
queuePubkey: dec.queuePubkey,
metrics: types.OracleMetrics.fromDecoded(dec.metrics),
ebuf: dec.ebuf,
});
}
toJSON() {
return {
name: this.name,
metadata: this.metadata,
oracleAuthority: this.oracleAuthority,
lastHeartbeat: this.lastHeartbeat.toString(),
numInUse: this.numInUse,
tokenAccount: this.tokenAccount,
queuePubkey: this.queuePubkey,
metrics: this.metrics.toJSON(),
ebuf: this.ebuf,
};
}
static fromJSON(obj) {
return new OracleAccountData({
name: obj.name,
metadata: obj.metadata,
oracleAuthority: (0, kit_1.address)(obj.oracleAuthority),
lastHeartbeat: new bn_js_1.default(obj.lastHeartbeat),
numInUse: obj.numInUse,
tokenAccount: (0, kit_1.address)(obj.tokenAccount),
queuePubkey: (0, kit_1.address)(obj.queuePubkey),
metrics: types.OracleMetrics.fromJSON(obj.metrics),
ebuf: obj.ebuf,
});
}
}
exports.OracleAccountData = OracleAccountData;
//# sourceMappingURL=OracleAccountData.js.map