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https://github.com/IntersectMBO/cardano-ledger
The ledger implementation and specifications of the Cardano blockchain.
https://github.com/IntersectMBO/cardano-ledger
ada blockchain cardano cryptocurrency
Last synced: 3 months ago
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The ledger implementation and specifications of the Cardano blockchain.
- Host: GitHub
- URL: https://github.com/IntersectMBO/cardano-ledger
- Owner: IntersectMBO
- License: apache-2.0
- Created: 2018-09-24T14:14:10.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2024-05-22T10:36:47.000Z (8 months ago)
- Last Synced: 2024-05-22T11:47:47.338Z (8 months ago)
- Topics: ada, blockchain, cardano, cryptocurrency
- Language: Haskell
- Homepage:
- Size: 108 MB
- Stars: 244
- Watchers: 58
- Forks: 153
- Open Issues: 190
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE-OF-CONDUCT.md
- Codeowners: CODEOWNERS
- Security: SECURITY.md
Awesome Lists containing this project
- awesome-cardano - Cardano Ledger Specs
- best-of-crypto - GitHub - 11% open · ⏱️ 05.06.2024): (Smart Contract Platforms)
README
Cardano Ledger
This repository contains the formal specifications, executable models,
and implementations of the Cardano Ledger.The documents are built in our CI and can be readily accessed using the
following links:Era | Design Documents | Formal Specification | CDDL
----|------------------|----------------------|-----
Byron | | [Chain Spec](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/byron-blockchain.pdf "Specification of the Blockchain Layer"), [Ledger Spec](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/byron-ledger.pdf "A Formal Specification of the Cardano Ledger") | [CDDL](https://github.com/intersectmbo/cardano-ledger/tree/master/eras/byron/cddl-spec/byron.cddl), [PDF](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/byron-binary.pdf)
Shelley | [Design](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/shelley-delegation.pdf "Design Specification for Delegation and Incentives in Cardano") | [Spec](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/shelley-ledger.pdf "A Formal Specification of the Cardano Ledger") | [CDDL](https://github.com/intersectmbo/cardano-ledger/tree/master/eras/shelley/impl/cddl-files)
Allegra | Same as Mary era below | Same as Mary era below | [CDDL](https://github.com/intersectmbo/cardano-ledger/tree/master/eras/allegra/impl/cddl-files)
Mary | [Multi-Currency](https://eprint.iacr.org/2020/895 "Multi-Currency Ledgers"), [UTXOma](https://iohk.io/en/research/library/papers/utxoma-utxo-with-multi-asset-support/ "UTXOma:UTXO with Multi-Asset Support") | [Spec](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/mary-ledger.pdf "A Formal Specification of the Cardano Ledger with a Native Multi-Asset Implementation") | [CDDL](https://github.com/intersectmbo/cardano-ledger/tree/master/eras/mary/impl/cddl-files)
Alonzo | [eUTXO](https://iohk.io/en/research/library/papers/the-extended-utxo-model/ "The Extended UTXO Model")| [Spec](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/alonzo-ledger.pdf "A Formal Specification of the Cardano Ledger integrating Plutus Core") | [CDDL](https://github.com/intersectmbo/cardano-ledger/tree/master/eras/alonzo/impl/cddl-files)
Babbage | [batch-verification](https://iohk.io/en/research/library/papers/on-uc-secure-range-extension-and-batch-verification-for-ecvrf/ "On UC-Secure Range Extension and Batch Verification for ECVRF"), [CIP-31](https://github.com/cardano-foundation/CIPs/pull/159 "Reference inputs"), [CIP-32](https://github.com/cardano-foundation/CIPs/pull/160 "Inline datums"), [CIP-33](https://github.com/cardano-foundation/CIPs/pull/161 "Reference scripts") | [Spec](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/babbage-ledger.pdf "Formal Specification of the Cardano Ledger for the Babbage era") | [CDDL](https://github.com/intersectmbo/cardano-ledger/tree/master/eras/babbage/impl/cddl-files)
Conway | [CIP-1694](https://github.com/cardano-foundation/CIPs/tree/master/CIP-1694) | [Spec (WIP)](https://github.com/intersectmbo/formal-ledger-specifications) | [CDDL](https://github.com/intersectmbo/cardano-ledger/tree/master/eras/conway/impl/cddl-files)Other Documents:
- [Non-integer calculations specification](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/non-integer-calculations.pdf): details on the parts of the Shelley specification that use real numbers.
- [Stake pool ranking specification](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/pool-ranking.pdf): details for a robust stake pool ranking mechanism.
- [Explanation of the small-step-semantics framework](https://github.com/intersectmbo/cardano-ledger/releases/latest/download/small-step-semantics.pdf): a guide to the notation and style used by our ledger rules.In addition, there is a formalization of the Ledger Specification in Isabelle/HOL which can be found [here](https://github.com/input-output-hk/fm-ledger-formalization).
Some user documentation is published on [Read the Docs](https://cardano-ledger.readthedocs.io/en/latest)
Haddock code documentation of the latest master branch is available [here](https://input-output-hk.github.io/cardano-ledger).
# Repository structure
The directory structure of this repository is as follows:
- [Byron](./eras/byron)
- [ledger](./eras/byron/ledger)
- [formal-spec](./eras/byron/ledger/formal-spec)
- [executable-spec](./eras/byron/ledger/executable-spec)
- [implementation](./eras/byron/ledger/impl)
- [chain](./eras/byron/chain)
- [formal-spec](./eras/byron/chain/formal-spec)
- [executable-spec](./eras/byron/chain/executable-spec)
- [cddl](./eras/byron/cddl-spec)
- [Shelley](./eras/shelley)
- [design-spec](./eras/shelley/design-spec)
- [formal-spec](./eras/shelley/formal-spec)
- [implementation](./eras/shelley/impl)
- [tests](./eras/shelley/test-suite)
- [cddl](./eras/shelley/impl/cddl-files)
- [Allegra - Timelocks](./eras/allegra)
- [formal-spec](./eras/shelley-ma/formal-spec)
- [implementation](./eras/allegra/impl)
- [tests](./eras/shelley-ma/test-suite)
- [Mary - Multi-Assets](./eras/allegra)
- [formal-spec](./eras/shelley-ma/formal-spec)
- [implementation](./eras/allegra/impl)
- [tests](./eras/shelley-ma/test-suite)
- [Alonzo - Smart Contracts](./eras/alonzo)
- [formal-spec](./eras/alonzo/formal-spec)
- [implementation](./eras/alonzo/impl)
- [cddl](./eras/alonzo/impl/cddl-files)
- [tests](./eras/alonzo/test-suite)
- [Babbage](./eras/babbage)
- [formal-spec](./eras/babbage/formal-spec)
- [implementation](./eras/babbage/impl)
- [cddl](./eras/babbage/impl/cddl-files)
- [tests](./eras/babbage/test-suite)
- [Conway - Governance](./eras/conway)
- [formal-spec](./eras/conway/formal-spec)
- [implementation](./eras/conway/impl)
- [cddl](./eras/conway/impl/cddl-files)
- [tests](./eras/conway/impl/test)
- [Libraries](./libs)# Building
It is recommended to use [`nix`](https://nixos.org/nix/download.html) for building everything in this repository.
Haskell files can be built with [`cabal`](https://www.haskell.org/cabal/) inside of a nix shell.Make sure you have a recent version of `nix` by following this [guide](https://nixos.org/manual/nix/stable/installation/upgrading.html)
## Nix Cache
When using `nix` it is recommended that you setup the cache, so that it can
reuse built artifacts, reducing the compilation times dramatically:If you are using [NixOS](https://nixos.org/) add the snippet below to your
`/etc/nixos/configuration.nix`:```
nix.settings = {
experimental-features = [ "nix-command" "flakes" ];
substituters = [
"https://cache.nixos.org"
"https://cache.iog.io"
];
trusted-public-keys = [
"hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
];
};
```If you are using the `nix` package manager next to another operating system put
the following in `/etc/nix/nix.conf`:```
experimental-features = nix-command flakes
substituters = https://cache.iog.io https://cache.nixos.org/
trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
```## Building the LaTeX documents and executable specifications
When using `nix` the documents and Haskell code can be readily
built by running:```shell
nix build .#specs
```The LaTeX documents will be placed inside a directory named `result`, e.g.:
```shell
result/byron-ledger.pdf
result/shelley-delegation.pdf
result/non-integer-calculations.pdf
result/small-step-semantics.pdf
result/shelley-ledger.pdf
result/byron-blockchain.pdf
```## Building individual LaTeX documents
Change to the latex directory where the latex document is (e.g. `eras/shelley/formal-spec`
for the ledger specification corresponding to the Shelley release, or
`eras/byron/ledger/formal-spec` for the ledger specification corresponding to
the Byron release). Then, build the latex document by running:```shell
cd
nix develop --command make
```For a continuous compilation of the `LaTeX` file run:
```shell
cd
nix develop --command make watch
```# Testing
Run `cabal test all` to run all tests or `cabal test ` to run the tests for a specific package.
Note: The `CARDANO_MAINNET_MIRROR` environment variable can be overriden in `flake.nix` if one desires to run
the Byron tests with a different version of the [mainnet epochs](https://github.com/input-output-hk/cardano-mainnet-mirror/tree/master/epochs).# Submitting an issue
Issues can be filed in the [GitHub Issue tracker](https://github.com/intersectmbo/cardano-ledger/issues).
However, note that this is pre-release software, so we will not usually be providing support.
# Contributing
See [CONTRIBUTING](https://github.com/intersectmbo/cardano-ledger/blob/master/CONTRIBUTING.md).