jimmychu0807

Hey, I'm jimmychu0807-898091 and I have contributed to the Semaphore V4 Ceremony.
The following are my contribution signatures:

Circuit # 1 (semaphorev4-1)
Contributor # 136
Contribution Hash: 
		02b0bc08 ee92a2a8 c030b5fb c2059263
		36c4f5c9 210366d3 044c958d 64fea3f9
		88a4debe a73b7ee5 03e8c38a 1c2bc722
		42b93baa 956c6ca4 e148becf 30491f59

jimmychu0807

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

jimmychu0807

const accountPair = keyring.getPair(accountAddress);

jimmychu0807

target/release/node-template purge-chain --dev

jimmychu0807

//...
import { SubstrateContextProvider, useSubstrate } from './substrate-lib';
import { DeveloperConsole } from './substrate-lib/components';

//...
function Main() {
  const [accountAddress, setAccountAddress] = useState(null);
  const { apiState, keyring, keyringState } = useSubstrate();
  const accountPair =
    accountAddress &&

jimmychu0807

api.query.<pallet_名字>.<pallet 存儲名字>(回調函數)

jimmychu0807

const val = await api.query.templateModule.something();

jimmychu0807

{
  ...,
  "CUSTOM_TYPES": {
    "Price": {
      "dollars": "u32",
      "cents": "u32",
      "currency": "Vec"
    },
  }
}

jimmychu0807

// This module's storage items.
decl_storage! {
  trait Store for Module as TemplateModule {
    Something get(fn something): Option;
  }
}

jimmychu0807

# -- 安裝 NodeJS v12 (https://nodejs.org/en/download/),
#   及 yarn 工具 (https://classic.yarnpkg.com/en/docs/install)

# -- 下載 Substrate 前端模版並跑起來
cd ..
git clone https://github.com/substrate-developer-hub/substrate-front-end-template front-end-template
cd front-end-template
yarn install
yarn start