@marinade.finance/kamino-sdk
Version:
108 lines • 4.52 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.ObservationState = 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("@project-serum/borsh")); // 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 ObservationState {
/** Whether the ObservationState is initialized */
initialized;
poolId;
/** observation array */
observations;
/** padding for feature update */
padding;
static discriminator = Buffer.from([122, 174, 197, 53, 129, 9, 165, 132]);
static layout = borsh.struct([
borsh.bool('initialized'),
borsh.publicKey('poolId'),
borsh.array(types.Observation.layout(), 1000, 'observations'),
borsh.array(borsh.u128(), 5, 'padding'),
]);
constructor(fields) {
this.initialized = fields.initialized;
this.poolId = fields.poolId;
this.observations = fields.observations.map((item) => new types.Observation({ ...item }));
this.padding = fields.padding;
}
static async fetch(c, address) {
const info = await c.getAccountInfo(address);
if (info === null) {
return null;
}
if (!info.owner.equals(programId_1.PROGRAM_ID)) {
throw new Error("account doesn't belong to this program");
}
return this.decode(info.data);
}
static async fetchMultiple(c, addresses) {
const infos = await c.getMultipleAccountsInfo(addresses);
return infos.map((info) => {
if (info === null) {
return null;
}
if (!info.owner.equals(programId_1.PROGRAM_ID)) {
throw new Error("account doesn't belong to this program");
}
return this.decode(info.data);
});
}
static decode(data) {
if (!data.slice(0, 8).equals(ObservationState.discriminator)) {
throw new Error('invalid account discriminator');
}
const dec = ObservationState.layout.decode(data.slice(8));
return new ObservationState({
initialized: dec.initialized,
poolId: dec.poolId,
observations: dec.observations.map((item /* eslint-disable-line @typescript-eslint/no-explicit-any */) => types.Observation.fromDecoded(item)),
padding: dec.padding,
});
}
toJSON() {
return {
initialized: this.initialized,
poolId: this.poolId.toString(),
observations: this.observations.map((item) => item.toJSON()),
padding: this.padding.map((item) => item.toString()),
};
}
static fromJSON(obj) {
return new ObservationState({
initialized: obj.initialized,
poolId: new web3_js_1.PublicKey(obj.poolId),
observations: obj.observations.map((item) => types.Observation.fromJSON(item)),
padding: obj.padding.map((item) => new bn_js_1.default(item)),
});
}
}
exports.ObservationState = ObservationState;
//# sourceMappingURL=ObservationState.js.map