@marinade.finance/kamino-sdk
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147 lines • 5.53 kB
JavaScript
;
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var __importDefault = (this && this.__importDefault) || function (mod) {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.AmmConfig = 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 programId_1 = require("../programId");
/** Holds the current owner of the factory */
class AmmConfig {
/** Bump to identify PDA */
bump;
index;
/** Address of the protocol owner */
owner;
/** The protocol fee */
protocolFeeRate;
/** The trade fee, denominated in hundredths of a bip (10^-6) */
tradeFeeRate;
/** The tick spacing */
tickSpacing;
/** The fund fee, denominated in hundredths of a bip (10^-6) */
fundFeeRate;
paddingU32;
fundOwner;
padding;
static discriminator = Buffer.from([218, 244, 33, 104, 203, 203, 43, 111]);
static layout = borsh.struct([
borsh.u8('bump'),
borsh.u16('index'),
borsh.publicKey('owner'),
borsh.u32('protocolFeeRate'),
borsh.u32('tradeFeeRate'),
borsh.u16('tickSpacing'),
borsh.u32('fundFeeRate'),
borsh.u32('paddingU32'),
borsh.publicKey('fundOwner'),
borsh.array(borsh.u64(), 3, 'padding'),
]);
constructor(fields) {
this.bump = fields.bump;
this.index = fields.index;
this.owner = fields.owner;
this.protocolFeeRate = fields.protocolFeeRate;
this.tradeFeeRate = fields.tradeFeeRate;
this.tickSpacing = fields.tickSpacing;
this.fundFeeRate = fields.fundFeeRate;
this.paddingU32 = fields.paddingU32;
this.fundOwner = fields.fundOwner;
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(AmmConfig.discriminator)) {
throw new Error('invalid account discriminator');
}
const dec = AmmConfig.layout.decode(data.slice(8));
return new AmmConfig({
bump: dec.bump,
index: dec.index,
owner: dec.owner,
protocolFeeRate: dec.protocolFeeRate,
tradeFeeRate: dec.tradeFeeRate,
tickSpacing: dec.tickSpacing,
fundFeeRate: dec.fundFeeRate,
paddingU32: dec.paddingU32,
fundOwner: dec.fundOwner,
padding: dec.padding,
});
}
toJSON() {
return {
bump: this.bump,
index: this.index,
owner: this.owner.toString(),
protocolFeeRate: this.protocolFeeRate,
tradeFeeRate: this.tradeFeeRate,
tickSpacing: this.tickSpacing,
fundFeeRate: this.fundFeeRate,
paddingU32: this.paddingU32,
fundOwner: this.fundOwner.toString(),
padding: this.padding.map((item) => item.toString()),
};
}
static fromJSON(obj) {
return new AmmConfig({
bump: obj.bump,
index: obj.index,
owner: new web3_js_1.PublicKey(obj.owner),
protocolFeeRate: obj.protocolFeeRate,
tradeFeeRate: obj.tradeFeeRate,
tickSpacing: obj.tickSpacing,
fundFeeRate: obj.fundFeeRate,
paddingU32: obj.paddingU32,
fundOwner: new web3_js_1.PublicKey(obj.fundOwner),
padding: obj.padding.map((item) => new bn_js_1.default(item)),
});
}
}
exports.AmmConfig = AmmConfig;
//# sourceMappingURL=AmmConfig.js.map