- Variables and Types
- Solidity Events
- Function Modifiers
- Mappings and Structs
- Inheritance & Deployment
- Copy content of file Smart contarct/SimpleVoting.sol
- Open remix ide at https://remix.ethereum.org
- New file and put the code from first step (Smart contarct/SimpleVoting.sol)
- Click run
- Expand deploy panel
- candidateNames = ["Liverpool", "Manchester United", "Manchester City", "Arsenal"]
- transact
- Done!
- We need webserver to run our DApp so we have 2 simple solutions here.
- Install chrome extesion https://chrome.google.com/webstore/detail/web-server-for-chrome/ofhbbkphhbklhfoeikjpcbhemlocgigb?hl=en
- Open
- Choose folder
- Select "DApp"
- Open http://127.0.0.1:8887 (open the link on web server url)
- Click "SimpleVoting.html"
- cd DApp/
- run: python -m SimpleHTTPServer 8080
- Open http://localhost:8080
- Click "SimpleVoting.html"
#!/bin/sh
set -x
docker rm -f simplevote
docker run --name simplevote -p 8080:80 -v $PWD/DApp:/usr/share/nginx/html:ro -d nginx:alpine
set +x
echo "Go to http://localhost:8080/SimpleVoting.html"- Copy content of file Smart contarct/ERC20Token.sol
- Open remix ide at https://remix.ethereum.org
- New file and put the code from first step (Smart contarct/ERC20Token.sol)
- Click run
- Choose ERC20Token
- Expand deploy panel
- _name = YOUR_COIN_NAME
- _symbol = YOUR_COIN_SHORTNAME
- _decimals = 2
- transact
- Done!
genesis.json
{
"config":{
"chainId":2021,
"muirglacierblock": 0,
"clique":{
"blockperiodseconds":3,
"epochlength":30000
}
},
"coinbase":"0x0000000000000000000000000000000000000000",
"difficulty":"0x1",
"extraData":"0x0000000000000000000000000000000000000000000000000000000000000000e40C18dF9d7fA29d758947488Ae0A0B18000A99E0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"gasLimit":"0x1fffffffffffff",
"mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000",
"nonce":"0x0",
"timestamp":"0x5c51a607",
"alloc": {
"950807aeaCCb5E66DC09e9F99A7d559A880D8b14": {
"balance": "0xad78ebc5ac6200000"
}
},
"number":"0x0",
"gasUsed":"0x0",
"parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000"
}
run
docker run --name besu-clique -d --mount type=bind,source=/home/ec2-user/besu/clique,target=/var/lib/besu \
-p 8545:8545 -p 8546:8546 hyperledger/besu:latest \
--rpc-http-cors-origins="all" --host-allowlist="*" \
--rpc-http-host="0.0.0.0" --rpc-http-enabled --rpc-ws-enabled \
--data-path=/var/lib/besu --node-private-key-file=/var/lib/besu/key --genesis-file=/var/lib/besu/genesis.json
Explorer
docker run --name explorer -d -p 80:80 -e APP_NODE_URL=http://127.0.0.1:8545 alethio/ethereum-lite-explorer
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