geth creation commands

Create a miner account

This will generate a public/private key pair. By default, keys are stored inside, <datadir>/keystore. Everything geth persists gets written inside <datadir>.

The following command returns a private testnet address (which should be saved together with the password):

geth account new --datadir /path/to/data

Start mining

With NetworkID:

geth --mine --rpc --networkid NetworkID --datadir /path/to/data

Start mining:

> miner.start()

To end mining, type:

> miner.stop()

Pre-fund the account

Deploying contracts or making transactions requires test ether, which has no value and can be acquired for free from several "faucets".

The command geth removedb deletes the locally synced blockchain data of the public testnet (i.e., resyncs with the chain).

To add magic ether, remove the created blockchain database:

geth removedb --datadir /path/to/data

Modify genesis.json as necessary, including multiple accounts in the seed if wanted.

Finally, re-initialize the genesis block:

geth --identity <project name> --nodiscover --networkid 1337 --datadir /path/to/data init /path/to/genesis.json

Create new accounts

geth --datadir . account new

List accounts

geth --datadir . account list

Connect to the testnet

geth attach

You will enter into the Geth Javascript console, where you can run JavaScript code.

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