mirror of
https://github.com/mimblewimble/grin.git
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8f4dbfa540
* Typo fix * Parameterise
56 lines
3.1 KiB
Markdown
56 lines
3.1 KiB
Markdown
# grin code structure
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grin is built in [rust](https://www.rust-lang.org/), a memory safe, compiled language. Performance critical parts like the Cuckoo mining algorithm are built as plugins, making it easy to swap between algorithm implementations for various hardware. Grin comes with CPU and experimental GPU support.
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## Files in project root
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List of files tracked in `git` and some files you'll create when you use grin.
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- [CODE_OF_CONDUCT](../CODE_OF_CONDUCT.md) - How to behave if you want to participate. Taken from rust. Slightly modified.
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- [CONTRIBUTING](../CONTRIBUTING.md) - How to help and become part of grin.
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- [Cargo.toml](../Cargo.toml) and Cargo.lock (locally created, _not_ in git) - defines how to the project code is to be compiled and built
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- [LICENSE](../LICENSE) - Apache 2.0 license
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- [README](../README.md) - The first document you should read, with pointers to find more detail.
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- [rustfmt.toml](../rustfmt.toml) - configuration file for rustfmt. Required before contributing _new_ code.
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## Folder structure
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After checking out grin, building and using, these are the folders you'll have:
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- api
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Code for ApiEndpoints accessible over REST.
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- chain
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The blockchain implementation. Accepts a block (see pipe.rs) and adds it to the chain, or reject it.
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- config
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Code for handling configuration.
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- core
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All core types: Hash, Block, Input, Output, and how to serialize them. Core mining algorithm, and more.
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- doc
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All documentation.
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- servers
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Many parts (adapters, lib, miner, seed, server, sync, types) that the `grin` server needs, including mining server.
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- keychain
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Code for working safely with keys and doing blinding.
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- p2p
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All peer to peer connection and protocol-related logic (handshake, block propagation, etc.).
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- pool
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Code for the transaction pool implementation.
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- server
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A folder you're [supposed to create](build.md#running-a-node), before starting your server: cd to project root; mkdir server; cd server; grin server start (or run) and it will create a subfolder .grin
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- .grin
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- chain - a Rocksdb with the blockchain blocks and related information
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- peers - a Rocksdb with the list of Grin peers you're connected to
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- txhashset - contains folders kernel, rangeproof and output that each have a pmmr_dat.bin
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- src
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Code for the `grin` binary.
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- store
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Data store - a thin wrapper for Rocksdb, a key-value database forked from LevelDB.
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- target
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Where the grin binary ends up, after the compile and build process finishes.
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In case of trouble, see [troubleshooting](https://github.com/mimblewimble/docs/wiki/Troubleshooting)
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- util
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Low-level rust utilities.
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- wallet
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Simple command line wallet implementation. Will generate:
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- wallet.dat - your "outputs", that once confirmed and matured, can be spent with the [`grin wallet send`](wallet.md) command. (locally created, _not_ in git)
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- wallet.seed - your secret wallet seed. (locally created, _not_ in git)
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## grin dependencies
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- [secp256k1](https://github.com/mimblewimble/rust-secp256k1-zkp)
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Integration and rust bindings for libsecp256k1, and some changes waiting to be upstreamed. Imported in util/Cargo.toml.
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