fsl-js-sdk
Version:
sdk for web
109 lines (108 loc) • 6.63 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
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};
var __generator = (this && this.__generator) || function (thisArg, body) {
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function verb(n) { return function (v) { return step([n, v]); }; }
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};
Object.defineProperty(exports, "__esModule", { value: true });
exports.deriveAssociatedTokenAddress = exports.resolveOrCreateAssociatedTokenAddress = void 0;
var spl_token_v0_1 = require("@solana/spl-token-v0");
var web3_js_1 = require("@solana/web3.js");
var tokens_1 = require("../../../constants/tokens");
var constants_1 = require("../constants");
var instruction_1 = require("../models/instruction");
var deserialize_account_1 = require("./deserialize-account");
var token_instructions_1 = require("./instructions/token-instructions");
/**
* IMPORTANT: wrappedSolAmountIn should only be used for input/source token that
* could be SOL. This is because when SOL is the output, it is the end
* destination, and thus does not need to be wrapped with an amount.
*
* @param connection Solana connection class
* @param owner The keypair for the user's wallet or just the user's public key
* @param tokenMint Token mint address
* @param wrappedSolAmountIn Optional. Only use for input/source token that could be SOL
* @returns
*/
function resolveOrCreateAssociatedTokenAddress(connection, owner, tokenMint, wrappedSolAmountIn) {
if (wrappedSolAmountIn === void 0) { wrappedSolAmountIn = new spl_token_v0_1.u64(0); }
return __awaiter(this, void 0, void 0, function () {
var derivedAddress_1, resolveAtaInstruction_1, accountRentExempt;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!!tokenMint.equals(tokens_1.solToken.mint)) return [3 /*break*/, 3];
return [4 /*yield*/, deriveAssociatedTokenAddress(owner.publicKey, tokenMint)];
case 1:
derivedAddress_1 = _a.sent();
resolveAtaInstruction_1 = instruction_1.emptyInstruction;
return [4 /*yield*/, connection.getAccountInfo(derivedAddress_1).then(function (info) {
var tokenAccountInfo = (0, deserialize_account_1.deserializeAccount)(info === null || info === void 0 ? void 0 : info.data);
if (!tokenAccountInfo) {
resolveAtaInstruction_1 = (0, token_instructions_1.createAssociatedTokenAccountInstruction)(derivedAddress_1, owner.publicKey, owner.publicKey, tokenMint, owner);
}
})];
case 2:
_a.sent();
return [2 /*return*/, {
address: derivedAddress_1,
instructions: resolveAtaInstruction_1.instructions,
cleanupInstructions: resolveAtaInstruction_1.cleanupInstructions,
signers: resolveAtaInstruction_1.signers,
}];
case 3: return [4 /*yield*/, connection.getMinimumBalanceForRentExemption(spl_token_v0_1.AccountLayout.span)];
case 4:
accountRentExempt = _a.sent();
// Create a temp-account to transfer SOL in the form of WSOL
return [2 /*return*/, (0, token_instructions_1.createWSOLAccountInstructions)(owner.publicKey, tokens_1.solToken.mint, wrappedSolAmountIn, accountRentExempt)];
}
});
});
}
exports.resolveOrCreateAssociatedTokenAddress = resolveOrCreateAssociatedTokenAddress;
function deriveAssociatedTokenAddress(walletAddress, tokenMint) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, web3_js_1.PublicKey.findProgramAddress([
walletAddress.toBuffer(),
spl_token_v0_1.TOKEN_PROGRAM_ID.toBuffer(),
tokenMint.toBuffer(),
], constants_1.SPL_ASSOCIATED_TOKEN_ACCOUNT_PROGRAM_ID)];
case 1: return [2 /*return*/, (_a.sent())[0]];
}
});
});
}
exports.deriveAssociatedTokenAddress = deriveAssociatedTokenAddress;