Ethereum
1 min read
blockchain, cryptocurrency
Lab note What I wrote down while learning this by building with it. Short by design; the code is in pfeilbr/ethereum-playground.
Ethereum Playground
learn and experiment with Ethereum decentralized blockchain based platform
TODO
- walk all the testnet transaction and get counts of the addresses to see which addresses produce the most transactions
- walk all testnet transactions and plot transaction count over time for the top X% of addresses that produce the most transactions
Files and Directories of Interest
Production
~/Library/Ethereum
~/Library/Ethereum/geth/chaindata
TEST-NET
~/Library/Ethereum/testnet
~/Library/Ethereum/testnet/geth/chaindata
Ethereum Wallet
Ethereum Wallet Screenshot
Image no longer available
Geth CLI
command line interface for running a full ethereum node
# attach to existing geth instance (e.g. Ethereum Wallet GUI app's geth instance). opens up a javascript repl
geth attach
# js console
geth console
# open testnet console
geth --testnet console
Ethereum Block Explorer
- production - https://etherscan.io/
- testnet - https://testnet.etherscan.io/
Ethereum Javascript API
- Web3 JavaScript Ðapp API
- web3.js npm module