Top 3 Examples of "web3-core-promievent in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'web3-core-promievent' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
var checkConfirmation = function (existingReceipt, isPolling, err, blockHeader, sub) {
if (!err) {
// create fake unsubscribe
if (!sub) {
sub = {
unsubscribe: function () {
clearInterval(intervalId);
}
};
}
// if we have a valid receipt we don't need to send a request
return (existingReceipt ? promiEvent.resolve(existingReceipt) : _ethereumCall.getTransactionReceipt(result))
// catch error from requesting receipt
.catch(function (err) {
sub.unsubscribe();
promiseResolved = true;
utils._fireError({message: 'Failed to check for transaction receipt:', data: err}, defer.eventEmitter, defer.reject);
})
// if CONFIRMATION listener exists check for confirmations, by setting canUnsubscribe = false
.then(function(receipt) {
if (!receipt || !receipt.blockHash) {
throw new Error('Receipt missing or blockHash null');
}
// apply extra formatters
if (method.extraFormatters && method.extraFormatters.receiptFormatter) {
receipt = method.extraFormatters.receiptFormatter(receipt);
}sendSignedTransaction(transaction: SignedTransaction) {
const promiEvent = new PromiEvent();
const txPromiEvent = this._web3.eth.sendSignedTransaction(transaction);
txPromiEvent.on('transactionHash', hash =>
promiEvent.eventEmitter.emit('transactionHash', hash),
);
txPromiEvent.on('receipt', receipt => {
try {
const decoded = this._decodeReceipt(receipt);
promiEvent.eventEmitter.emit('receipt', decoded);
} catch (error) {
promiEvent.eventEmitter.emit('error', error);
promiEvent.eventEmitter.emit('receipt', receipt);
}
});
txPromiEvent.on('confirmation', (confirmationNumber, receipt) => {
try {function PromiEvent() {
const { resolve, reject, eventEmitter } = Web3PromiEvent.apply(
null,
arguments
);
const originalStackTrace = new Error().stack;
function rejectHijacker(e) {
try {
const stackTrace = originalStackTrace.replace(
/^Error: \n/,
e.stack.split("\n")[0]
);
e.hijackedStack = e.stack;
e.stack = stackTrace;
} catch (_) {