Antão Almada aalmada

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.NET OSS

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aalmada / JazziconAvatar.tsx

Last active December 14, 2022 14:42

Customizing RainbowKit to use jazzicon avatars. Uses the Jazzicon component shared on previous gist.

	import { AvatarComponent } from "@rainbow-me/rainbowkit";
	import Jazzicon from "./Jazzicon";
	import { addressToSeed } from "./utils";

	const JazziconAvatar: AvatarComponent = ({ address, ensImage, size }) =>
	ensImage ? (
	<img
	src={ensImage}
	width={size}
	height={size}

aalmada / ErrorUtils.ts

Created December 14, 2022 12:20

TypeScript methods to get type of error

	// eslint-disable-next-line @typescript-eslint/no-explicit-any
	export const isAbortError = (error: any) =>
	typeof error === "object" && error !== null && error.name === "AbortError";

	// eslint-disable-next-line @typescript-eslint/no-explicit-any
	export const isRpcError = (
	error: any
	): error is { data: { message: string } } =>
	typeof error === "object" &&
	error !== null &&

aalmada / useChainId.tsx

Last active December 15, 2022 09:28

Example of using typechain and react query to call paused() on a contract that implements Pausable. It uses event listening to invalidate cache.

	import { BaseContract } from "@ethersproject/contracts";
	import { useEffect, useState } from "react";

	const useChainId = (contract: BaseContract \| undefined) => {
	const [chainId, setChainId] = useState<number>();

	useEffect(() => {
	const updateChainId = async (contract: BaseContract \| undefined) =>
	setChainId(await contract?.signer.getChainId());

aalmada / example.ts

Last active November 30, 2022 18:39

An extension to React Query's useMutation hook to execute ethers transactions. Examples using it and typechain.

	// example of using the usePause hook to log the transaction hash and the gas used
	const { pause, isLoading: isPausing } = usePause({
	onTransaction: response =>
	console.log(
	"transaction: ",
	response.hash
	),
	onSuccess: receipt =>
	console.log(
	"gas used: ",

aalmada / Jazzicon.tsx

Last active November 30, 2022 11:34

A react component that generates a jazzicon. It exports pure SVG making it easy to integrate it on other components. Use the `addressToSeed` method to pass in an address as the seed.

	// based on: https://github.com/MetaMask/jazzicon

	import React, { useState, useEffect } from "react";
	import MersenneTwister from "mersenne-twister";

	type RGB = {
	r: number;
	g: number;
	b: number;
	};

aalmada / SumListAsSpan.cs

Created June 21, 2021 16:47

	public int Sum(List<int> source)
	=> Sum(CollectionsMarshal.AsSpan(source));

aalmada / SumList.cs

Created June 21, 2021 16:37

	static int Sum(List<int> source)
	{
	var sum = 0;
	for (var index = 0; index < source.Count; index++)
	sum += source[index];
	return sum;
	}

aalmada / Deck.cs

Last active June 18, 2021 13:21

Cards deck implemented in C#

	#nullable enable

	using System;
	using System.Collections;
	using System.Collections.Generic;
	using System.Diagnostics.CodeAnalysis;

	namespace NetFabric
	{
	public class Deck<T>

aalmada / Shuffle.cs

Created June 18, 2021 07:55

Fisher-Yates Shuffle implemented in C#

	using System;
	using System.Collections.Generic;
	using System.Runtime.InteropServices;

	namespace NetFabric
	{
	public static class ShuffleExtensions
	{
	public static void Shuffle<T>(this List<T> source)
	=> Shuffle(source, new Random());

aalmada / CountAsync2.cs

Created May 11, 2021 12:47

	public static async ValueTask<int> CountAsync<TEnumerable, TEnumerator, TSource>(this TEnumerable source, CancellationToken cancellationToken = default)
	where TEnumerable : IAsyncValueEnumerable<TSource, TEnumerator>
	where TEnumerator : struct, IAsyncEnumerator<TSource>
	{
	var counter = 0;
	var enumerator = source.GetAsyncEnumerator(cancellationToken);
	try
	{
	checked
	{

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