@kamino-finance/kliquidity-sdk
Version:
Typescript SDK for interacting with the Kamino Liquidity (kliquidity) protocol
156 lines • 6.69 kB
JavaScript
;
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if (k2 === undefined) k2 = k;
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}) : function(o, v) {
o["default"] = v;
});
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var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
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if (mod && mod.__esModule) return mod;
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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.Position = void 0;
/* eslint-disable @typescript-eslint/no-unused-vars */
const kit_1 = require("@solana/kit");
/* eslint-enable @typescript-eslint/no-unused-vars */
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 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 Position {
whirlpool;
positionMint;
liquidity;
tickLowerIndex;
tickUpperIndex;
feeGrowthCheckpointA;
feeOwedA;
feeGrowthCheckpointB;
feeOwedB;
rewardInfos;
static discriminator = Buffer.from([
170, 188, 143, 228, 122, 64, 247, 208,
]);
static layout = borsh.struct([
(0, utils_1.borshAddress)("whirlpool"),
(0, utils_1.borshAddress)("positionMint"),
borsh.u128("liquidity"),
borsh.i32("tickLowerIndex"),
borsh.i32("tickUpperIndex"),
borsh.u128("feeGrowthCheckpointA"),
borsh.u64("feeOwedA"),
borsh.u128("feeGrowthCheckpointB"),
borsh.u64("feeOwedB"),
borsh.array(types.PositionRewardInfo.layout(), 3, "rewardInfos"),
]);
constructor(fields) {
this.whirlpool = fields.whirlpool;
this.positionMint = fields.positionMint;
this.liquidity = fields.liquidity;
this.tickLowerIndex = fields.tickLowerIndex;
this.tickUpperIndex = fields.tickUpperIndex;
this.feeGrowthCheckpointA = fields.feeGrowthCheckpointA;
this.feeOwedA = fields.feeOwedA;
this.feeGrowthCheckpointB = fields.feeGrowthCheckpointB;
this.feeOwedB = fields.feeOwedB;
this.rewardInfos = fields.rewardInfos.map((item) => new types.PositionRewardInfo({ ...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(Position.discriminator)) {
throw new Error("invalid account discriminator");
}
const dec = Position.layout.decode(data.slice(8));
return new Position({
whirlpool: dec.whirlpool,
positionMint: dec.positionMint,
liquidity: dec.liquidity,
tickLowerIndex: dec.tickLowerIndex,
tickUpperIndex: dec.tickUpperIndex,
feeGrowthCheckpointA: dec.feeGrowthCheckpointA,
feeOwedA: dec.feeOwedA,
feeGrowthCheckpointB: dec.feeGrowthCheckpointB,
feeOwedB: dec.feeOwedB,
rewardInfos: dec.rewardInfos.map((item /* eslint-disable-line @typescript-eslint/no-explicit-any */) => types.PositionRewardInfo.fromDecoded(item)),
});
}
toJSON() {
return {
whirlpool: this.whirlpool,
positionMint: this.positionMint,
liquidity: this.liquidity.toString(),
tickLowerIndex: this.tickLowerIndex,
tickUpperIndex: this.tickUpperIndex,
feeGrowthCheckpointA: this.feeGrowthCheckpointA.toString(),
feeOwedA: this.feeOwedA.toString(),
feeGrowthCheckpointB: this.feeGrowthCheckpointB.toString(),
feeOwedB: this.feeOwedB.toString(),
rewardInfos: this.rewardInfos.map((item) => item.toJSON()),
};
}
static fromJSON(obj) {
return new Position({
whirlpool: (0, kit_1.address)(obj.whirlpool),
positionMint: (0, kit_1.address)(obj.positionMint),
liquidity: new bn_js_1.default(obj.liquidity),
tickLowerIndex: obj.tickLowerIndex,
tickUpperIndex: obj.tickUpperIndex,
feeGrowthCheckpointA: new bn_js_1.default(obj.feeGrowthCheckpointA),
feeOwedA: new bn_js_1.default(obj.feeOwedA),
feeGrowthCheckpointB: new bn_js_1.default(obj.feeGrowthCheckpointB),
feeOwedB: new bn_js_1.default(obj.feeOwedB),
rewardInfos: obj.rewardInfos.map((item) => types.PositionRewardInfo.fromJSON(item)),
});
}
}
exports.Position = Position;
//# sourceMappingURL=Position.js.map