@bbachain/spl-token-swap
Version:
JavaScript/TypeScript bindings for the Solana Program Library (SPL) Token Swap program.
168 lines (167 loc) • 6.75 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
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.TokenSwap = exports.tokenSwapBeet = void 0;
const beet = __importStar(require("@bbachain/beet"));
const beetBBA = __importStar(require("@bbachain/beet-bbachain"));
const web3 = __importStar(require("@bbachain/web3.js"));
const types_1 = require("../types");
const __1 = require("..");
/**
* @category userTypes
*/
exports.tokenSwapBeet = new beet.FixableBeetArgsStruct([
['accountDiscriminator', beet.u8],
['isInitialized', beet.bool],
['bumpSeed', beet.u8],
['tokenProgramId', beetBBA.publicKey],
['tokenA', beetBBA.publicKey],
['tokenB', beetBBA.publicKey],
['poolMint', beetBBA.publicKey],
['tokenAMint', beetBBA.publicKey],
['tokenBMint', beetBBA.publicKey],
['poolFeeAccount', beetBBA.publicKey],
['fees', types_1.feesBeet],
['swapCurve', types_1.swapCurveBeet],
], 'TokenSwap');
/**
* Holds the data for the {@link TokenSwap} Account and provides de/serialization
* functionality for that data
*
* @category Accounts
*/
class TokenSwap {
constructor(isInitialized, bumpSeed, tokenProgramId, tokenA, tokenB, poolMint, tokenAMint, tokenBMint, poolFeeAccount, fees, swapCurve) {
this.isInitialized = isInitialized;
this.bumpSeed = bumpSeed;
this.tokenProgramId = tokenProgramId;
this.tokenA = tokenA;
this.tokenB = tokenB;
this.poolMint = poolMint;
this.tokenAMint = tokenAMint;
this.tokenBMint = tokenBMint;
this.poolFeeAccount = poolFeeAccount;
this.fees = fees;
this.swapCurve = swapCurve;
}
/**
* Creates a {@link TokenSwap} instance from the provided args.
*/
static fromArgs(args) {
return new TokenSwap(args.isInitialized, args.bumpSeed, args.tokenProgramId, args.tokenA, args.tokenB, args.poolMint, args.tokenAMint, args.tokenBMint, args.poolFeeAccount, args.fees, args.swapCurve);
}
/**
* Deserializes the {@link TokenSwap} from the data of the provided {@link web3.AccountInfo}.
* @returns a tuple of the account data and the offset up to which the buffer was read to obtain it.
*/
static fromAccountInfo(accountInfo, offset = 0) {
return TokenSwap.deserialize(accountInfo.data, offset);
}
/**
* Retrieves the account info from the provided address and deserializes
* the {@link TokenSwap} from its data.
*
* @throws Error if no account info is found at the address or if deserialization fails
*/
static async fromAccountAddress(connection, address, commitmentOrConfig) {
const accountInfo = await connection.getAccountInfo(address, commitmentOrConfig);
if (accountInfo == null) {
throw new Error(`Unable to find TokenSwap account at ${address}`);
}
return TokenSwap.fromAccountInfo(accountInfo, 0)[0];
}
/**
* Provides a {@link web3.Connection.getProgramAccounts} config builder,
* to fetch accounts matching filters that can be specified via that builder.
*
* @param programId - the program that owns the accounts we are filtering
*/
static gpaBuilder(programId = new web3.PublicKey(__1.PROGRAM_ADDRESS)) {
return beetBBA.GpaBuilder.fromStruct(programId, exports.tokenSwapBeet);
}
/**
* Deserializes the {@link TokenSwap} from the provided data Buffer.
* @returns a tuple of the account data and the offset up to which the buffer was read to obtain it.
*/
static deserialize(buf, offset = 0) {
const [raw, offset2] = exports.tokenSwapBeet.deserialize(buf, offset);
return [TokenSwap.fromArgs(raw), offset2];
}
/**
* Serializes the {@link TokenSwap} into a Buffer.
* @returns a tuple of the created Buffer and the offset up to which the buffer was written to store it.
*/
serialize() {
return exports.tokenSwapBeet.serialize({
accountDiscriminator: 1,
...this,
});
}
/**
* Returns the byteSize of a {@link Buffer} holding the serialized data of
* {@link TokenSwap} for the provided args.
*
* @param args need to be provided since the byte size for this account
* depends on them
*/
static byteSize(args) {
const instance = TokenSwap.fromArgs(args);
return exports.tokenSwapBeet.toFixedFromValue({
accountDiscriminator: 1,
...instance,
}).byteSize;
}
/**
* Fetches the minimum balance needed to exempt an account holding
* {@link TokenSwap} data from rent
*
* @param args need to be provided since the byte size for this account
* depends on them
* @param connection used to retrieve the rent exemption information
*/
static async getMinimumBalanceForRentExemption(args, connection, commitment) {
return connection.getMinimumBalanceForRentExemption(TokenSwap.byteSize(args), commitment);
}
/**
* Returns a readable version of {@link TokenSwap} properties
* and can be used to convert to JSON and/or logging
*/
pretty() {
return {
isInitialized: this.isInitialized,
bumpSeed: this.bumpSeed,
tokenProgramId: this.tokenProgramId.toBase58(),
tokenA: this.tokenA.toBase58(),
tokenB: this.tokenB.toBase58(),
poolMint: this.poolMint.toBase58(),
tokenAMint: this.tokenAMint.toBase58(),
tokenBMint: this.tokenBMint.toBase58(),
poolFeeAccount: this.poolFeeAccount.toBase58(),
fees: this.fees,
swapCurve: this.swapCurve,
};
}
}
exports.TokenSwap = TokenSwap;