wl-buildingtools / ethereum-samples

Some code examples from different parts of the ethereum stack

Ethereum

A collection of code examples from the ethereum ecosystem, in any shape or size

evmhacks

Study behavior of evm directly from bytecode and assembly

misc

• minipow, a simple pow hasher implementation
• namehash, a ens namehash cli command; compiled file way too big for its purpose, though.

p2p

• devp2p, a thorough code example tutorial of ethereum's node stack, devp2p protocol and pss messaging protocol. This was previously in a separate repo named go-ethereum-p2p-demo.
• protocol-complex, an in-depth example of how to wrap a devp2p protocol to pss without changing the protocol code.

solidity

• escrow, WIP generic escrow contract
• upgrade, example of upgradable contract

swarm

• mutable resources, a recursive retriever of mutable resource updates. Also includes a js updater used in a presentation for Swarm Orange Summit 2018.
• sqlite-vfs, a poc cgo implementation for swarm as vfs backend for sqlite, read-only and minimal.