@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
131 lines • 5.09 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
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}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
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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;
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};
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};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
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};
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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.PermissionAccountData = 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 programId_1 = require("../programId");
class PermissionAccountData {
authority;
permissions;
granter;
grantee;
expiration;
ebuf;
static discriminator = Buffer.from([
77, 37, 177, 164, 38, 39, 34, 109,
]);
static layout = borsh.struct([
(0, utils_1.borshAddress)("authority"),
borsh.u32("permissions"),
(0, utils_1.borshAddress)("granter"),
(0, utils_1.borshAddress)("grantee"),
borsh.i64("expiration"),
borsh.array(borsh.u8(), 256, "ebuf"),
]);
constructor(fields) {
this.authority = fields.authority;
this.permissions = fields.permissions;
this.granter = fields.granter;
this.grantee = fields.grantee;
this.expiration = fields.expiration;
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(PermissionAccountData.discriminator)) {
throw new Error("invalid account discriminator");
}
const dec = PermissionAccountData.layout.decode(data.slice(8));
return new PermissionAccountData({
authority: dec.authority,
permissions: dec.permissions,
granter: dec.granter,
grantee: dec.grantee,
expiration: dec.expiration,
ebuf: dec.ebuf,
});
}
toJSON() {
return {
authority: this.authority,
permissions: this.permissions,
granter: this.granter,
grantee: this.grantee,
expiration: this.expiration.toString(),
ebuf: this.ebuf,
};
}
static fromJSON(obj) {
return new PermissionAccountData({
authority: (0, kit_1.address)(obj.authority),
permissions: obj.permissions,
granter: (0, kit_1.address)(obj.granter),
grantee: (0, kit_1.address)(obj.grantee),
expiration: new bn_js_1.default(obj.expiration),
ebuf: obj.ebuf,
});
}
}
exports.PermissionAccountData = PermissionAccountData;
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