@marinade.finance/kamino-sdk
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65 lines • 3.16 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
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Object.defineProperty(o, k2, desc);
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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;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createPool = exports.layout = void 0;
const web3_js_1 = require("@solana/web3.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");
exports.layout = borsh.struct([borsh.u128('sqrtPriceX64'), borsh.u64('openTime')]);
/**
* Creates a pool for the given token pair and the initial price
*
* # Arguments
*
* * `ctx`- The context of accounts
* * `sqrt_price_x64` - the initial sqrt price (amount_token_1 / amount_token_0) of the pool as a Q64.64
*
*/
function createPool(args, accounts) {
const keys = [
{ pubkey: accounts.poolCreator, isSigner: true, isWritable: true },
{ pubkey: accounts.ammConfig, isSigner: false, isWritable: false },
{ pubkey: accounts.poolState, isSigner: false, isWritable: true },
{ pubkey: accounts.tokenMint0, isSigner: false, isWritable: false },
{ pubkey: accounts.tokenMint1, isSigner: false, isWritable: false },
{ pubkey: accounts.tokenVault0, isSigner: false, isWritable: true },
{ pubkey: accounts.tokenVault1, isSigner: false, isWritable: true },
{ pubkey: accounts.observationState, isSigner: false, isWritable: true },
{ pubkey: accounts.tokenProgram, isSigner: false, isWritable: false },
{ pubkey: accounts.systemProgram, isSigner: false, isWritable: false },
{ pubkey: accounts.rent, isSigner: false, isWritable: false },
];
const identifier = Buffer.from([233, 146, 209, 142, 207, 104, 64, 188]);
const buffer = Buffer.alloc(1000);
const len = exports.layout.encode({
sqrtPriceX64: args.sqrtPriceX64,
openTime: args.openTime,
}, buffer);
const data = Buffer.concat([identifier, buffer]).slice(0, 8 + len);
const ix = new web3_js_1.TransactionInstruction({ keys, programId: programId_1.PROGRAM_ID, data });
return ix;
}
exports.createPool = createPool;
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