@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
138 lines • 5.1 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;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.CrankAccountData = void 0;
/* eslint-disable @typescript-eslint/no-unused-vars */
const kit_1 = require("@solana/kit");
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 programId_1 = require("../programId");
class CrankAccountData {
name;
metadata;
queuePubkey;
pqSize;
maxRows;
jitterModifier;
ebuf;
dataBuffer;
static discriminator = Buffer.from([
111, 81, 146, 73, 172, 180, 134, 209,
]);
static layout = borsh.struct([
borsh.array(borsh.u8(), 32, "name"),
borsh.array(borsh.u8(), 64, "metadata"),
(0, utils_1.borshAddress)("queuePubkey"),
borsh.u32("pqSize"),
borsh.u32("maxRows"),
borsh.u8("jitterModifier"),
borsh.array(borsh.u8(), 255, "ebuf"),
(0, utils_1.borshAddress)("dataBuffer"),
]);
constructor(fields) {
this.name = fields.name;
this.metadata = fields.metadata;
this.queuePubkey = fields.queuePubkey;
this.pqSize = fields.pqSize;
this.maxRows = fields.maxRows;
this.jitterModifier = fields.jitterModifier;
this.ebuf = fields.ebuf;
this.dataBuffer = fields.dataBuffer;
}
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(CrankAccountData.discriminator)) {
throw new Error("invalid account discriminator");
}
const dec = CrankAccountData.layout.decode(data.slice(8));
return new CrankAccountData({
name: dec.name,
metadata: dec.metadata,
queuePubkey: dec.queuePubkey,
pqSize: dec.pqSize,
maxRows: dec.maxRows,
jitterModifier: dec.jitterModifier,
ebuf: dec.ebuf,
dataBuffer: dec.dataBuffer,
});
}
toJSON() {
return {
name: this.name,
metadata: this.metadata,
queuePubkey: this.queuePubkey,
pqSize: this.pqSize,
maxRows: this.maxRows,
jitterModifier: this.jitterModifier,
ebuf: this.ebuf,
dataBuffer: this.dataBuffer,
};
}
static fromJSON(obj) {
return new CrankAccountData({
name: obj.name,
metadata: obj.metadata,
queuePubkey: (0, kit_1.address)(obj.queuePubkey),
pqSize: obj.pqSize,
maxRows: obj.maxRows,
jitterModifier: obj.jitterModifier,
ebuf: obj.ebuf,
dataBuffer: (0, kit_1.address)(obj.dataBuffer),
});
}
}
exports.CrankAccountData = CrankAccountData;
//# sourceMappingURL=CrankAccountData.js.map