@drift-labs/sdk-browser
Version:
SDK for Drift Protocol
93 lines (92 loc) • 3.71 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ForwardOnlyTxSender = void 0;
const web3_js_1 = require("@solana/web3.js");
const bs58_1 = __importDefault(require("bs58"));
const baseTxSender_1 = require("./baseTxSender");
const types_1 = require("./types");
const config_1 = require("../config");
const DEFAULT_TIMEOUT = 35000;
const DEFAULT_RETRY = 5000;
class ForwardOnlyTxSender extends baseTxSender_1.BaseTxSender {
constructor({ connection, wallet, opts = { ...config_1.DEFAULT_CONFIRMATION_OPTS, maxRetries: 0 }, timeout = DEFAULT_TIMEOUT, retrySleep = DEFAULT_RETRY, confirmationStrategy = types_1.ConfirmationStrategy.Combo, additionalTxSenderCallbacks = [], txHandler, trackTxLandRate, txLandRateLookbackWindowMinutes, landRateToFeeFunc, throwOnTimeoutError = true, }) {
super({
connection,
wallet,
opts,
timeout,
additionalConnections: [],
confirmationStrategy,
additionalTxSenderCallbacks,
txHandler,
trackTxLandRate,
txLandRateLookbackWindowMinutes,
landRateToFeeFunc,
throwOnTimeoutError,
});
this.timoutCount = 0;
this.connection = connection;
this.wallet = wallet;
this.opts = opts;
this.timeout = timeout;
this.retrySleep = retrySleep;
this.additionalConnections = [];
}
async sleep(reference) {
return new Promise((resolve) => {
reference.resolve = resolve;
setTimeout(resolve, this.retrySleep);
});
}
sendToAdditionalConnections(rawTx, _opts) {
var _a;
(_a = this.additionalTxSenderCallbacks) === null || _a === void 0 ? void 0 : _a.map((callback) => {
callback(bs58_1.default.encode(rawTx));
});
}
async sendRawTransaction(rawTransaction, opts) {
var _a, _b, _c;
const deserializedTx = web3_js_1.VersionedTransaction.deserialize(rawTransaction);
const txSig = deserializedTx.signatures[0];
const encodedTxSig = bs58_1.default.encode(txSig);
const startTime = this.getTimestamp();
this.sendToAdditionalConnections(rawTransaction, opts);
(_a = this.txSigCache) === null || _a === void 0 ? void 0 : _a.set(encodedTxSig, false);
let done = false;
const resolveReference = {
resolve: undefined,
};
const stopWaiting = () => {
done = true;
if (resolveReference.resolve) {
resolveReference.resolve();
}
};
(async () => {
while (!done && this.getTimestamp() - startTime < this.timeout) {
await this.sleep(resolveReference);
if (!done) {
this.sendToAdditionalConnections(rawTransaction, opts);
}
}
})();
let slot;
try {
const result = await this.confirmTransaction(encodedTxSig, opts.commitment);
slot = (_b = result === null || result === void 0 ? void 0 : result.context) === null || _b === void 0 ? void 0 : _b.slot;
(_c = this.txSigCache) === null || _c === void 0 ? void 0 : _c.set(encodedTxSig, true);
// eslint-disable-next-line no-useless-catch
}
catch (e) {
throw e;
}
finally {
stopWaiting();
}
return { txSig: encodedTxSig, slot };
}
}
exports.ForwardOnlyTxSender = ForwardOnlyTxSender;