Haskoin

Haskoin is an implementation of the Bitcoin protocol in Haskell.

Features

Protocol message types (de-)serialization
Bitcoin script interpreter
Cryptographic ECDSA and hashing primitives
Hierarchical Deterministic Wallet support (BIP32)
Pay-to-script-hash (P2SH, BIP16) support
Regular and multi-signature (BIP11) transaction support
JSON-RPC/Stratum client library
Mnemonic keys (BIP39)

Documentation

http://hackage.haskell.org/package/haskoin

Installing from Cabal

You can install the latest stable version of the haskoin package automatically through the cabal package manager:

# Compile for prodnet 
cabal install haskoin

# Compile for testnet
cabal install haskoin --flags=testnet

Contributing

Commits are done through GitHub pull requests.

We do a lot of our technical discussions in the IRC channel #haskoin on chat.freenode.net.

Code guidelines:

80 columns.
4 space indentation. No tabs.
Follow the general style of the code, whenever it makes sense.
Purity and type-safety are important.