Blockchain - Proof of Authority

Custom Testnet Blockchain

Environment Setup and Dependencies

• Puppeth - ensure this blockchain service management tools package is installed
• Geth - ensure this is installed to enable Ethereum network transfer and mining ethers
• MyCrypto - ensure this is installed to enable custom testnet

Accounts and Nodes for the Network

Custom Node and Network

• Node Name: puppethpoa
• Network Name: puppethpoa
• Chain ID: 234

Configuration Network

Before initializing and mining the nodes, the folder should contain the accounts created, puppeth, geth, and the json file.

Node 1 (node1poa)

• Address: 0x2266F8EF3b5492f86608c0cf79B2f28f7DA9f907

• Path of the secret key file: node1poa\keystore\UTC--2021-04-07T21-38-25.666655700Z--2266f8ef3b5492f86608c0cf79b2f28f7da9f907

• enode://aa4bfa876b951fbfbd7d0ed4a81efd49ca6f79dca7e6d21d169a3d8af657232841aabfa28a4804142d0bc1f68fe583c6dc02841c5521d581273c563695130b41@127.0.0.1:30303

  • This will be entered when preparing node2poa and links the accounts together.

• To Mine:

    ./geth --datadir node1poa --unlock "{node1poa-address}" --mine --rpc --allow-insecure-unlock
    
    password to enter: yellow
  

Node 2 (node2poa)

• Address: 0x2f40232f58105bf65572eA6E41dD67293F7335C6

• Path of the secret key file: node2poa\keystore\UTC--2021-04-07T21-40-45.609789800Z--2f40232f58105bf65572ea6e41dd67293f7335c6

• To Mine:

    ./geth --datadir node2poa --unlock "{node2poa-address}" --mine --port 30304 --bootnodes "{node1poa-enode://}" --ipcdisable --allow-insecure-unlock
    
    password to enter: green
  

MyCrypto

• Navigate to the '+ Add Custom Node' on the bottom left

• Enter the required information in the screenshot below and click 'Save & Use Custom Node'

  • Node Name: puppethpoa
  • Network: Custom
  • Network Name: puppethpoa
  • Currency: ETH
  • Chain ID: 234
  • URL: http://127.0.0.1.8545/

  

• Be sure that you are connected to the 'puppethpoa' network and click on the 'Keystore File' button to access the wallet

• Unlock the wallet by selecting the node1poa keystore file and enter the password: yellow

• To send a test transaction:

  • To Address: {node2poa-address}
  • Amount: {number of ETH}
  • Transaction Fee: using the sliding scale to choose preference

  

• Check transaction status by checking 'Recent Transactions' (alternatively you can copy the transaction hash and paste it into the 'TX Status' popup):