@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
124 lines • 5.13 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 (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__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.ReferrerTokenState = 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 programId_1 = require("../programId");
/** Referrer account -> each owner can have multiple accounts for specific reserves */
class ReferrerTokenState {
/** Pubkey of the referrer/owner */
referrer;
/** Token mint for the account */
mint;
/** Amount that has been accumulated and not claimed yet -> available to claim (scaled fraction) */
amountUnclaimedSf;
/** Amount that has been accumulated in total -> both already claimed and unclaimed (scaled fraction) */
amountCumulativeSf;
/** Referrer token state bump, used for address validation */
bump;
padding;
static discriminator = Buffer.from([
39, 15, 208, 77, 32, 195, 105, 56,
]);
static layout = borsh.struct([
borsh.publicKey("referrer"),
borsh.publicKey("mint"),
borsh.u128("amountUnclaimedSf"),
borsh.u128("amountCumulativeSf"),
borsh.u64("bump"),
borsh.array(borsh.u64(), 31, "padding"),
]);
constructor(fields) {
this.referrer = fields.referrer;
this.mint = fields.mint;
this.amountUnclaimedSf = fields.amountUnclaimedSf;
this.amountCumulativeSf = fields.amountCumulativeSf;
this.bump = fields.bump;
this.padding = fields.padding;
}
static async fetch(c, address, programId = programId_1.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 = programId_1.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) {
if (!data.slice(0, 8).equals(ReferrerTokenState.discriminator)) {
throw new Error("invalid account discriminator");
}
const dec = ReferrerTokenState.layout.decode(data.slice(8));
return new ReferrerTokenState({
referrer: dec.referrer,
mint: dec.mint,
amountUnclaimedSf: dec.amountUnclaimedSf,
amountCumulativeSf: dec.amountCumulativeSf,
bump: dec.bump,
padding: dec.padding,
});
}
toJSON() {
return {
referrer: this.referrer.toString(),
mint: this.mint.toString(),
amountUnclaimedSf: this.amountUnclaimedSf.toString(),
amountCumulativeSf: this.amountCumulativeSf.toString(),
bump: this.bump.toString(),
padding: this.padding.map((item) => item.toString()),
};
}
static fromJSON(obj) {
return new ReferrerTokenState({
referrer: new web3_js_1.PublicKey(obj.referrer),
mint: new web3_js_1.PublicKey(obj.mint),
amountUnclaimedSf: new bn_js_1.default(obj.amountUnclaimedSf),
amountCumulativeSf: new bn_js_1.default(obj.amountCumulativeSf),
bump: new bn_js_1.default(obj.bump),
padding: obj.padding.map((item) => new bn_js_1.default(item)),
});
}
}
exports.ReferrerTokenState = ReferrerTokenState;
//# sourceMappingURL=ReferrerTokenState.js.map