haskoin-core

Bitcoin & Bitcoin Cash library for Haskell http://github.com/haskoin/haskoin#readme

Version on this page:0.9.6
LTS Haskell 14.16:0.9.6
Stackage Nightly 2019-09-21:0.9.0
Latest on Hackage:0.9.7

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LicenseRef-PublicDomain licensed by Philippe Laprade, Jean-Pierre Rupp, Matthew Wraith
Maintained by xenog@protonmail.com

Haskoin Core

Haskoin Core is a library of Bitcoin and Bitcoin Cash functions written in Haskell featuring:

  • Hashing functions (SHA-256, RIPEMD-160)
  • Base58 support
  • CashAddr support
  • Bech32 suport
  • BIP32 extended key derivation and parsing (m/1’/2/3)
  • BIP39 mnemonic keys
  • ECDSA secp256k1 cryptographic primitives
  • Script parsing
  • Building and signing of standard transactions (regular, multisig, p2sh)
  • Parsing and manipulation of all Bitcoin and Bitcoin Cash protocol messages
  • Bloom filters and partial merkle trees (used in SPV wallets)
  • Comprehensive test suite

Changes

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

0.9.6

Added

  • bloomRelevantUpdate implementation for Bloom filters (thanks to @IlyasRidhuan).
  • Fix for Bech32 encoding (thanks to @pavel-main).

0.9.5

Added

  • Expose functions added in 0.9.4.

0.9.4

Added

  • Support for (P2SH-)P2WPKH addresses derived from extended keys.

Changed

  • Change names of backwards-compatible P2SH-P2WPKH functions from 0.9.3.

0.9.3

Added

  • Some support for P2WPKH-over-P2SH addresses.

0.9.2

Removed

  • Disable unnecessary -O2 optimisation added in previous version.

Added

  • Allow decoding unknown P2P messages.

0.9.1

Added

  • Add a function to produce a structured signature over a transaction.
  • Enable -O2 optimisations.

0.9.0

Changed

  • Address conversion to string now defined for all inputs.

0.8.4

Added

  • Add reward computation to block functions.
  • Add PSBT BIP-174 types and functions

0.8.3

Added

  • Add reward halving interval parameter to network constants.

0.8.2

Added

  • Recognize OP_CHECKDATASIG and OP_CHECKDATASIGVERIFY opcodes.

0.8.1

Added

  • Add instances of Hashable and Generic where possible.

0.8.0

Removed

  • Remove deepseq dependency.
  • Remove network constant reference from address and extended keys.

0.7.0

Added

  • Add Serialize instance for network constants.
  • Add Serialize instance for addresses that includes network constants.

Changed

  • Move functions related to addresses from Script to Address module.

0.6.1

Added

  • Compatibility with latest GHC and base.

Changed

  • Update minimum base to 4.9.

0.6.0

Changed

  • Force initialization of addresses through smart constructor.
  • Assume addresses are always valid when instantiated in code.
  • Allow to provide unwrapped private keys to transaction signing functions.

0.5.2

Changed

  • Make dependencies more specific.

0.5.1

Changed

  • Remove some unneeded dependencies from stack.yaml.
  • Change secp256k1 dependency to secp256k1-haskell.

0.5.0

Added

  • Support for Bitcoin Cash network block sychronization.
  • Support for Bitcoin Cash signatures.
  • Initial work on SegWit support.
  • New version of secp256k1 bindings.
  • Block header validation.
  • Support for RegTest networks on Bitcoin and Bitcoin Cash.
  • Support for Bitcoin Cash Testnet3 Network.
  • Support for new Haskoin Wallet.
  • Minikey decoding for Casascius coins.
  • New tests for various networks and new features.
  • Added CHANGELOG.md file.
  • Support for SegWit addresses.
  • Support for CashAddr addresses.

Changed

  • Use of hpack package.yaml file to auto-generate Cabal file.
  • Removal of dependency version limits, relying on stack.yaml instead.
  • Tests moved to hspec.
  • New documentation.
  • Updated .gitignore.
  • Renamed network constants to use same style for BTC and BCH.
  • Network constants must be passed explicitly.
  • Target LTS Haskell 12.9.

Removed

  • Removed .stylish-haskell.yaml files.
  • Removed old haskoin-node and haskoin-wallet packages from main repository.
  • Removed support for non-strict signatures and related tests.
  • Removed script evaluator and related tests.
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