@kamino-finance/klend-sdk
Version:
Typescript SDK for interacting with the Kamino Lending (klend) protocol
219 lines • 9.57 kB
JavaScript
"use strict";
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.UserState = 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");
class UserState {
userId;
farmState;
owner;
/** Indicate if this user state is part of a delegated farm */
isFarmDelegated;
padding0;
/**
* Rewards tally used for computation of gained rewards
* (scaled from `Decimal` representation).
*/
rewardsTallyScaled;
/** Number of reward tokens ready for claim */
rewardsIssuedUnclaimed;
lastClaimTs;
/**
* User stake deposited and usable, generating rewards and fees.
* (scaled from `Decimal` representation).
*/
activeStakeScaled;
/**
* User stake deposited but not usable and not generating rewards yet.
* (scaled from `Decimal` representation).
*/
pendingDepositStakeScaled;
/**
* After this timestamp, pending user stake can be moved to user stake
* Initialized to now() + delayed user stake period
*/
pendingDepositStakeTs;
/**
* User deposits unstaked, pending for withdrawal, not usable and not generating rewards.
* (scaled from `Decimal` representation).
*/
pendingWithdrawalUnstakeScaled;
/** After this timestamp, user can withdraw their deposit. */
pendingWithdrawalUnstakeTs;
/** User bump used for account address validation */
bump;
/** Delegatee used for initialisation - useful to check against */
delegatee;
lastStakeTs;
padding1;
static discriminator = Buffer.from([
72, 177, 85, 249, 76, 167, 186, 126,
]);
static layout = borsh.struct([
borsh.u64("userId"),
borsh.publicKey("farmState"),
borsh.publicKey("owner"),
borsh.u8("isFarmDelegated"),
borsh.array(borsh.u8(), 7, "padding0"),
borsh.array(borsh.u128(), 10, "rewardsTallyScaled"),
borsh.array(borsh.u64(), 10, "rewardsIssuedUnclaimed"),
borsh.array(borsh.u64(), 10, "lastClaimTs"),
borsh.u128("activeStakeScaled"),
borsh.u128("pendingDepositStakeScaled"),
borsh.u64("pendingDepositStakeTs"),
borsh.u128("pendingWithdrawalUnstakeScaled"),
borsh.u64("pendingWithdrawalUnstakeTs"),
borsh.u64("bump"),
borsh.publicKey("delegatee"),
borsh.u64("lastStakeTs"),
borsh.array(borsh.u64(), 50, "padding1"),
]);
constructor(fields) {
this.userId = fields.userId;
this.farmState = fields.farmState;
this.owner = fields.owner;
this.isFarmDelegated = fields.isFarmDelegated;
this.padding0 = fields.padding0;
this.rewardsTallyScaled = fields.rewardsTallyScaled;
this.rewardsIssuedUnclaimed = fields.rewardsIssuedUnclaimed;
this.lastClaimTs = fields.lastClaimTs;
this.activeStakeScaled = fields.activeStakeScaled;
this.pendingDepositStakeScaled = fields.pendingDepositStakeScaled;
this.pendingDepositStakeTs = fields.pendingDepositStakeTs;
this.pendingWithdrawalUnstakeScaled = fields.pendingWithdrawalUnstakeScaled;
this.pendingWithdrawalUnstakeTs = fields.pendingWithdrawalUnstakeTs;
this.bump = fields.bump;
this.delegatee = fields.delegatee;
this.lastStakeTs = fields.lastStakeTs;
this.padding1 = fields.padding1;
}
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(UserState.discriminator)) {
throw new Error("invalid account discriminator");
}
const dec = UserState.layout.decode(data.slice(8));
return new UserState({
userId: dec.userId,
farmState: dec.farmState,
owner: dec.owner,
isFarmDelegated: dec.isFarmDelegated,
padding0: dec.padding0,
rewardsTallyScaled: dec.rewardsTallyScaled,
rewardsIssuedUnclaimed: dec.rewardsIssuedUnclaimed,
lastClaimTs: dec.lastClaimTs,
activeStakeScaled: dec.activeStakeScaled,
pendingDepositStakeScaled: dec.pendingDepositStakeScaled,
pendingDepositStakeTs: dec.pendingDepositStakeTs,
pendingWithdrawalUnstakeScaled: dec.pendingWithdrawalUnstakeScaled,
pendingWithdrawalUnstakeTs: dec.pendingWithdrawalUnstakeTs,
bump: dec.bump,
delegatee: dec.delegatee,
lastStakeTs: dec.lastStakeTs,
padding1: dec.padding1,
});
}
toJSON() {
return {
userId: this.userId.toString(),
farmState: this.farmState.toString(),
owner: this.owner.toString(),
isFarmDelegated: this.isFarmDelegated,
padding0: this.padding0,
rewardsTallyScaled: this.rewardsTallyScaled.map((item) => item.toString()),
rewardsIssuedUnclaimed: this.rewardsIssuedUnclaimed.map((item) => item.toString()),
lastClaimTs: this.lastClaimTs.map((item) => item.toString()),
activeStakeScaled: this.activeStakeScaled.toString(),
pendingDepositStakeScaled: this.pendingDepositStakeScaled.toString(),
pendingDepositStakeTs: this.pendingDepositStakeTs.toString(),
pendingWithdrawalUnstakeScaled: this.pendingWithdrawalUnstakeScaled.toString(),
pendingWithdrawalUnstakeTs: this.pendingWithdrawalUnstakeTs.toString(),
bump: this.bump.toString(),
delegatee: this.delegatee.toString(),
lastStakeTs: this.lastStakeTs.toString(),
padding1: this.padding1.map((item) => item.toString()),
};
}
static fromJSON(obj) {
return new UserState({
userId: new bn_js_1.default(obj.userId),
farmState: new web3_js_1.PublicKey(obj.farmState),
owner: new web3_js_1.PublicKey(obj.owner),
isFarmDelegated: obj.isFarmDelegated,
padding0: obj.padding0,
rewardsTallyScaled: obj.rewardsTallyScaled.map((item) => new bn_js_1.default(item)),
rewardsIssuedUnclaimed: obj.rewardsIssuedUnclaimed.map((item) => new bn_js_1.default(item)),
lastClaimTs: obj.lastClaimTs.map((item) => new bn_js_1.default(item)),
activeStakeScaled: new bn_js_1.default(obj.activeStakeScaled),
pendingDepositStakeScaled: new bn_js_1.default(obj.pendingDepositStakeScaled),
pendingDepositStakeTs: new bn_js_1.default(obj.pendingDepositStakeTs),
pendingWithdrawalUnstakeScaled: new bn_js_1.default(obj.pendingWithdrawalUnstakeScaled),
pendingWithdrawalUnstakeTs: new bn_js_1.default(obj.pendingWithdrawalUnstakeTs),
bump: new bn_js_1.default(obj.bump),
delegatee: new web3_js_1.PublicKey(obj.delegatee),
lastStakeTs: new bn_js_1.default(obj.lastStakeTs),
padding1: obj.padding1.map((item) => new bn_js_1.default(item)),
});
}
}
exports.UserState = UserState;
//# sourceMappingURL=UserState.js.map