@kamino-finance/scope-sdk
Version:
Scope Oracle SDK
109 lines • 4.46 kB
JavaScript
;
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if (k2 === undefined) k2 = k;
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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) {
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__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.OracleTwaps = 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 types = __importStar(require("../types")); // eslint-disable-line @typescript-eslint/no-unused-vars
const programId_1 = require("../programId");
class OracleTwaps {
oraclePrices;
oracleMappings;
twaps;
static discriminator = Buffer.from([
192, 139, 27, 250, 53, 166, 101, 61,
]);
static layout = borsh.struct([
(0, utils_1.borshAddress)("oraclePrices"),
(0, utils_1.borshAddress)("oracleMappings"),
borsh.array(types.EmaTwap.layout(), 512, "twaps"),
]);
constructor(fields) {
this.oraclePrices = fields.oraclePrices;
this.oracleMappings = fields.oracleMappings;
this.twaps = fields.twaps.map((item) => new types.EmaTwap({ ...item }));
}
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(OracleTwaps.discriminator)) {
throw new Error("invalid account discriminator");
}
const dec = OracleTwaps.layout.decode(data.slice(8));
return new OracleTwaps({
oraclePrices: dec.oraclePrices,
oracleMappings: dec.oracleMappings,
twaps: dec.twaps.map((item /* eslint-disable-line @typescript-eslint/no-explicit-any */) => types.EmaTwap.fromDecoded(item)),
});
}
toJSON() {
return {
oraclePrices: this.oraclePrices,
oracleMappings: this.oracleMappings,
twaps: this.twaps.map((item) => item.toJSON()),
};
}
static fromJSON(obj) {
return new OracleTwaps({
oraclePrices: (0, kit_1.address)(obj.oraclePrices),
oracleMappings: (0, kit_1.address)(obj.oracleMappings),
twaps: obj.twaps.map((item) => types.EmaTwap.fromJSON(item)),
});
}
}
exports.OracleTwaps = OracleTwaps;
//# sourceMappingURL=OracleTwaps.js.map