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162 lines
8.0 KiB
Markdown
162 lines
8.0 KiB
Markdown
# Tendermint
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[Byzantine-Fault Tolerant](https://en.wikipedia.org/wiki/Byzantine_fault_tolerance)
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[State Machines](https://en.wikipedia.org/wiki/State_machine_replication).
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Or [Blockchain](<https://en.wikipedia.org/wiki/Blockchain_(database)>), for short.
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[](https://github.com/tendermint/tendermint/releases/latest)
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[](https://pkg.go.dev/github.com/tendermint/tendermint)
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[](https://github.com/moovweb/gvm)
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[](https://discord.gg/AzefAFd)
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[](https://github.com/tendermint/tendermint/blob/master/LICENSE)
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[](https://github.com/tendermint/tendermint)
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[](https://sourcegraph.com/github.com/tendermint/tendermint?badge)
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| Branch | Tests | Coverage | Linting |
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| ------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------- |
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| master | [](https://circleci.com/gh/tendermint/tendermint/tree/master) </br>  | [](https://codecov.io/gh/tendermint/tendermint) |  |
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Tendermint Core is Byzantine Fault Tolerant (BFT) middleware that takes a state transition machine - written in any programming language -
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and securely replicates it on many machines.
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For protocol details, see [the specification](https://github.com/tendermint/spec).
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For detailed analysis of the consensus protocol, including safety and liveness proofs,
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see our recent paper, "[The latest gossip on BFT consensus](https://arxiv.org/abs/1807.04938)".
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## Releases
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Please do not depend on master as your production branch. Use [releases](https://github.com/tendermint/tendermint/releases) instead.
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Tendermint is being used in production in both private and public environments,
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most notably the blockchains of the [Cosmos Network](https://cosmos.network/).
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However, we are still making breaking changes to the protocol and the APIs and have not yet released v1.0.
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See below for more details about [versioning](#versioning).
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In any case, if you intend to run Tendermint in production, we're happy to help. You can
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contact us [over email](mailto:hello@interchain.berlin) or [join the chat](https://discord.gg/AzefAFd).
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## Security
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To report a security vulnerability, see our [bug bounty
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program](https://hackerone.com/tendermint).
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For examples of the kinds of bugs we're looking for, see [our security policy](SECURITY.md)
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We also maintain a dedicated mailing list for security updates. We will only ever use this mailing list
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to notify you of vulnerabilities and fixes in Tendermint Core. You can subscribe [here](http://eepurl.com/gZ5hQD).
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## Minimum requirements
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| Requirement | Notes |
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| ----------- | ---------------- |
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| Go version | Go1.15 or higher |
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## Documentation
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Complete documentation can be found on the [website](https://docs.tendermint.com/master/).
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### Install
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See the [install instructions](/docs/introduction/install.md).
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### Quick Start
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- [Single node](/docs/introduction/quick-start.md)
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- [Local cluster using docker-compose](/docs/networks/docker-compose.md)
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- [Remote cluster using Terraform and Ansible](/docs/networks/terraform-and-ansible.md)
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- [Join the Cosmos testnet](https://cosmos.network/testnet)
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## Contributing
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Please abide by the [Code of Conduct](CODE_OF_CONDUCT.md) in all interactions.
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Before contributing to the project, please take a look at the [contributing guidelines](CONTRIBUTING.md)
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and the [style guide](STYLE_GUIDE.md). You may also find it helpful to read the
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[specifications](https://github.com/tendermint/spec), watch the [Developer Sessions](/docs/DEV_SESSIONS.md),
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and familiarize yourself with our
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[Architectural Decision Records](https://github.com/tendermint/tendermint/tree/master/docs/architecture).
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## Versioning
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### Semantic Versioning
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Tendermint uses [Semantic Versioning](http://semver.org/) to determine when and how the version changes.
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According to SemVer, anything in the public API can change at any time before version 1.0.0
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To provide some stability to Tendermint users in these 0.X.X days, the MINOR version is used
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to signal breaking changes across a subset of the total public API. This subset includes all
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interfaces exposed to other processes (cli, rpc, p2p, etc.), but does not
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include the Go APIs.
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That said, breaking changes in the following packages will be documented in the
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CHANGELOG even if they don't lead to MINOR version bumps:
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- crypto
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- config
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- libs
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- bech32
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- bits
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- bytes
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- json
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- log
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- math
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- net
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- os
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- protoio
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- rand
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- sync
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- strings
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- service
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- node
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- rpc/client
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- types
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### Upgrades
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In an effort to avoid accumulating technical debt prior to 1.0.0,
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we do not guarantee that breaking changes (ie. bumps in the MINOR version)
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will work with existing Tendermint blockchains. In these cases you will
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have to start a new blockchain, or write something custom to get the old
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data into the new chain. However, any bump in the PATCH version should be
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compatible with existing blockchain histories.
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For more information on upgrading, see [UPGRADING.md](./UPGRADING.md).
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### Supported Versions
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Because we are a small core team, we only ship patch updates, including security updates,
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to the most recent minor release and the second-most recent minor release. Consequently,
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we strongly recommend keeping Tendermint up-to-date. Upgrading instructions can be found
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in [UPGRADING.md](./UPGRADING.md).
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## Resources
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### Tendermint Core
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For details about the blockchain data structures and the p2p protocols, see the
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[Tendermint specification](https://docs.tendermint.com/master/spec/).
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For details on using the software, see the [documentation](/docs/) which is also
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hosted at: <https://docs.tendermint.com/master/>
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### Tools
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Benchmarking is provided by [`tm-load-test`](https://github.com/informalsystems/tm-load-test).
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Additional tooling can be found in [/docs/tools](/docs/tools).
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### Applications
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- [Cosmos SDK](http://github.com/cosmos/cosmos-sdk); a cryptocurrency application framework
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- [Ethermint](http://github.com/cosmos/ethermint); Ethereum on Tendermint
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- [Many more](https://tendermint.com/ecosystem)
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### Research
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- [The latest gossip on BFT consensus](https://arxiv.org/abs/1807.04938)
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- [Master's Thesis on Tendermint](https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9769)
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- [Original Whitepaper: "Tendermint: Consensus Without Mining"](https://tendermint.com/static/docs/tendermint.pdf)
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- [Blog](https://blog.cosmos.network/tendermint/home)
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