@marinade.finance/kamino-sdk
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157 lines • 6.93 kB
JavaScript
;
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var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
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var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ProtocolPositionState = 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");
/** Info stored for each user's position */
class ProtocolPositionState {
/** Bump to identify PDA */
bump;
/** The ID of the pool with which this token is connected */
poolId;
/** The lower bound tick of the position */
tickLowerIndex;
/** The upper bound tick of the position */
tickUpperIndex;
/** The amount of liquidity owned by this position */
liquidity;
/** The token_0 fee growth per unit of liquidity as of the last update to liquidity or fees owed */
feeGrowthInside0LastX64;
/** The token_1 fee growth per unit of liquidity as of the last update to liquidity or fees owed */
feeGrowthInside1LastX64;
/** The fees owed to the position owner in token_0 */
tokenFeesOwed0;
/** The fees owed to the position owner in token_1 */
tokenFeesOwed1;
/** The reward growth per unit of liquidity as of the last update to liquidity */
rewardGrowthInside;
padding;
static discriminator = Buffer.from([100, 226, 145, 99, 146, 218, 160, 106]);
static layout = borsh.struct([
borsh.u8('bump'),
borsh.publicKey('poolId'),
borsh.i32('tickLowerIndex'),
borsh.i32('tickUpperIndex'),
borsh.u128('liquidity'),
borsh.u128('feeGrowthInside0LastX64'),
borsh.u128('feeGrowthInside1LastX64'),
borsh.u64('tokenFeesOwed0'),
borsh.u64('tokenFeesOwed1'),
borsh.array(borsh.u128(), 3, 'rewardGrowthInside'),
borsh.array(borsh.u64(), 8, 'padding'),
]);
constructor(fields) {
this.bump = fields.bump;
this.poolId = fields.poolId;
this.tickLowerIndex = fields.tickLowerIndex;
this.tickUpperIndex = fields.tickUpperIndex;
this.liquidity = fields.liquidity;
this.feeGrowthInside0LastX64 = fields.feeGrowthInside0LastX64;
this.feeGrowthInside1LastX64 = fields.feeGrowthInside1LastX64;
this.tokenFeesOwed0 = fields.tokenFeesOwed0;
this.tokenFeesOwed1 = fields.tokenFeesOwed1;
this.rewardGrowthInside = fields.rewardGrowthInside;
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(ProtocolPositionState.discriminator)) {
throw new Error('invalid account discriminator');
}
const dec = ProtocolPositionState.layout.decode(data.slice(8));
return new ProtocolPositionState({
bump: dec.bump,
poolId: dec.poolId,
tickLowerIndex: dec.tickLowerIndex,
tickUpperIndex: dec.tickUpperIndex,
liquidity: dec.liquidity,
feeGrowthInside0LastX64: dec.feeGrowthInside0LastX64,
feeGrowthInside1LastX64: dec.feeGrowthInside1LastX64,
tokenFeesOwed0: dec.tokenFeesOwed0,
tokenFeesOwed1: dec.tokenFeesOwed1,
rewardGrowthInside: dec.rewardGrowthInside,
padding: dec.padding,
});
}
toJSON() {
return {
bump: this.bump,
poolId: this.poolId.toString(),
tickLowerIndex: this.tickLowerIndex,
tickUpperIndex: this.tickUpperIndex,
liquidity: this.liquidity.toString(),
feeGrowthInside0LastX64: this.feeGrowthInside0LastX64.toString(),
feeGrowthInside1LastX64: this.feeGrowthInside1LastX64.toString(),
tokenFeesOwed0: this.tokenFeesOwed0.toString(),
tokenFeesOwed1: this.tokenFeesOwed1.toString(),
rewardGrowthInside: this.rewardGrowthInside.map((item) => item.toString()),
padding: this.padding.map((item) => item.toString()),
};
}
static fromJSON(obj) {
return new ProtocolPositionState({
bump: obj.bump,
poolId: new web3_js_1.PublicKey(obj.poolId),
tickLowerIndex: obj.tickLowerIndex,
tickUpperIndex: obj.tickUpperIndex,
liquidity: new bn_js_1.default(obj.liquidity),
feeGrowthInside0LastX64: new bn_js_1.default(obj.feeGrowthInside0LastX64),
feeGrowthInside1LastX64: new bn_js_1.default(obj.feeGrowthInside1LastX64),
tokenFeesOwed0: new bn_js_1.default(obj.tokenFeesOwed0),
tokenFeesOwed1: new bn_js_1.default(obj.tokenFeesOwed1),
rewardGrowthInside: obj.rewardGrowthInside.map((item) => new bn_js_1.default(item)),
padding: obj.padding.map((item) => new bn_js_1.default(item)),
});
}
}
exports.ProtocolPositionState = ProtocolPositionState;
//# sourceMappingURL=ProtocolPositionState.js.map