A Docker based implementation of blockchain network for testing and development purposes including:
- 1 Bootnode
- 1 Ethereum node
- 2 Ethereum miner nodes
- 2 Swarm nodes (distributed storage platform)
- Ethereum Network Status Dashboard
Using Proof-of-Authority consensus instead of Proof-of-Work. New block creates every 5 seconds.
You should have installed Docker and Docker Compose in your machine.
git clone https://github.com/fr0zn/eth-private-network.git
cd eth-private-network
git clone --branch fix/tracer https://github.com/fr0zn/blockscout explorer
- Create two accounts using the same password
docker run -it --rm -v `pwd`/node:/root/.ethereum ethereum/client-go account new
docker run -it --rm -v `pwd`/node:/root/.ethereum ethereum/client-go account new
-
Write the account addresses under
.env
, changeACCOUNT_1
andACCOUNT_2
(without0x
) -
Copy the password under
node/password.txt
echo "password" > `pwd`/node/password.txt
(optional)
- Generate 3 bootnode keys, one for each miner and the rpc node:
docker run -it --rm -v `pwd`/node:/node ethereum/client-go:alltools-stable bootnode -genkey /node/node.key -writeaddress
docker run -it --rm -v `pwd`/node:/node ethereum/client-go:alltools-stable bootnode -genkey /node/miner1.key -writeaddress
docker run -it --rm -v `pwd`/node:/node ethereum/client-go:alltools-stable bootnode -genkey /node/miner2.key -writeaddress
IPS:
node: 172.2.0.110
miner1: 172.2.0.111
miner2: 172.2.0.112
Use the printed enode address on each command on the node/static-nodes.json
(continue)
- Generate genesis config
$ go install github.com/ethereum/go-ethereum/cmd/puppeth@latest # or download Geth & Tools from https://geth.ethereum.org/downloads/
$ puppeth
Please specify a network name to administer (no spaces, hyphens or capital letters please)
> genesis
What would you like to do? (default = stats)
1. Show network stats
2. Configure new genesis
3. Track new remote server
4. Deploy network components
> 2
What would you like to do? (default = create)
1. Create new genesis from scratch
2. Import already existing genesis
> 1
Which consensus engine to use? (default = clique)
1. Ethash - proof-of-work
2. Clique - proof-of-authority
> 2
How many seconds should blocks take? (default = 15)
> 2
Which accounts are allowed to seal? (mandatory at least one)
> 0x # Enter both accounts address created in the previous step
> 0x # Enter both accounts address created in the previous step
Which accounts should be pre-funded? (advisable at least one)
> 0x # Enter both accounts address created in the previous step
> 0x # Enter both accounts address created in the previous step
Should the precompile-addresses (0x1 .. 0xff) be pre-funded with 1 wei? (advisable yes)
> no
Specify your chain/network ID if you want an explicit one (default = random)
>
What would you like to do? (default = stats)
1. Show network stats
2. Manage existing genesis
3. Track new remote server
4. Deploy network components
> 2
1. Modify existing configurations
2. Export genesis configurations
3. Remove genesis configuration
> 2
Which folder to save the genesis specs into? (default = current)
Will create genesis.json, genesis-aleth.json, genesis-harmony.json, genesis-parity.json
> node
- Change
NETWORK_ID
under.env
to match the one from the previous step (it can be found undernode/genesis.json
)
docker-compose up --build
After all you can find:
- Ethereum Network Stats at http://localhost:3000
- Node 1 RPC access at http://localhost:8545
- Node 2 (miner) RPC access at http://localhost:8546
- Node 3 (miner) RPC access at http://localhost:8547
- Swarm Node 1 HTTP access at http://localhost:8500
- Swarm Node 2 HTTP access at http://localhost:8501