Phyrex Tsai PhyrexTsai

Ethereum 101：https://medium.com/@ConsenSys/a-101-noob-intro-to-programming-smart-contracts-on-ethereum-695d15c1dab4
node token contract 教學：https://medium.com/taipei-ethereum-meetup/%E4%BD%BF%E7%94%A8node-js%E9%83%A8%E7%BD%B2%E6%99%BA%E8%83%BD%E5%90%88%E7%B4%84-smart-contract-520534305aaf
智能合約參考：http://www.tryblockchain.org/
truffle framework：http://truffleframework.com/docs/
truffle 教學：https://medium.com/taipei-ethereum-meetup/%E5%88%A9%E7%94%A8%E5%B7%A5%E5%85%B7%E5%8A%A0%E9%80%9Fdapp%E5%BB%BA%E7%BD%AE%E5%92%8C%E6%B8%AC%E8%A9%A6-fb08e77f208e

Instruction of install Cardano 1.0 on MacOS

This is the document explain how to connect to Cardano on MacOS

Install cardano-sl

Use this tutorial: https://github.com/input-output-hk/cardano-sl/blob/master/docs/how-to/build-cardano-sl-and-daedalus-from-source-code.md

Find nix-build under /nix/store/

Portal Network - Integration ENS with IPFS

This tutorial is how to post website/application on IPFS and link with ENS domains(.eth).

Try it: http://portalnetwork.eth

If you have any question please contact us for help:

Wanchain JSON RPC Provider

HTTP Provider: http://wanchain.portal.network

INFRASTRUCTURE

This is an endpoints as your Wanchain client provider, use JSON RPC.

MAKE REQUESTS

Install IPFS

sudo apt-get update
sudo apt-get install golang-go -y
wget https://dist.ipfs.io/go-ipfs/v0.4.15/go-ipfs_v0.4.10_linux-386.tar.gz
tar xvfz go-ipfs_v0.4.15_linux-386.tar.gz
sudo mv go-ipfs/ipfs /usr/local/bin/ipfs

This is the step by step to register the QCNS domain

Environment

Solidity Version: version:0.4.18+commit.9cf6e910.Emscripten.clang
QCNS on Quarkchain
- QCNSRegistry(Quarkchain): http://testnet.quarkchain.io/address/0x55931d4077c71df7E1822f1922Ab5f6b33b4199bfF1a972e
- QCNSRegistrar(Quarkchain): http://testnet.quarkchain.io/address/0x3D71499773dE5172Fb4D3e05012a6e3933250f6cfF1a972e

Source Code below

These source code include:

BNS Enhancement

label hash should type by the string and then the setSubdomainOwner change the string using keccak256 to bytes32

	pragma solidity ^0.4.11;

	contract Callee {
	uint256 public counter;

	function addOne() {
	counter = counter + 1;
	}

	function addNum(uint256 num) {

	pragma solidity ^0.4.11;

	contract Caller {
	event Log(address _address, uint256 _value, bytes _data);

	function invoke(address _address, uint256 _value, bytes _data) {
	if (_address.call.value(_value)(_data)) {
	Log(_address, _value, _data);
	}
	}

	var Caller = artifacts.require("Caller.sol");
	var Callee = artifacts.require("Callee.sol");
	var abi = require("ethereumjs-abi");

	contract("Caller and Callee", function(accounts) {
	it("invoke callee via caller", function() {
	var caller;
	var callee;
	return Caller.deployed().then(function(callerInstance) {
	caller = callerInstance;