1_PrivateBlockchain.md

Prereq

• Download Geth

Create a genesis account

md node1
cd node1

geth --datadir "./data" account new

Initialize the network with a genesis block

copy ..\genesis.json genesis.json

(update account address, give it 10 trillion ethers)

geth --datadir "./data" init genesis.json

Start the network

geth --networkid 112233 --datadir "./data" --rpc --rpccorsdomain "*" --verbosity 3 console

(connect Metamask to private network)

admin.nodeInfo.enode

Transfer some ethers to a new account

personal.newAccount("password")
web3.fromWei(eth.getBalance(eth.accounts[0]),"ether")

from = eth.accounts[0]
to = eth.accounts[1]
value = web3.toWei(1, "ether")
txn = { from : from, to: to, value : value }
eth.sendTransaction(txn)
personal.unlockAccount(eth.accounts[0])

eth.pendingTransactions
(copy the transaction hash)

geth attach https://localhost:8545
miner.start()

See permanent record

eth.getTransactionReceipt("")

Load Custom Script

loadScript("balances.js")
balances()