mirror of
https://github.com/mimblewimble/grin.git
synced 2025-02-01 17:01:09 +03:00
327293d28e
* Bump up crates versions * Finally add a Cargo.lock to avoid dependency breakages * Build doc update for testnet2 * Fix test framework not really using its mining config * Testnet2 genesis, best so far at 128 difficulty (a nice number) * Minor build doc update
110 lines
3.1 KiB
Markdown
110 lines
3.1 KiB
Markdown
# Grin - Build, Configuration, and Running
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## Supported Platforms
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Longer term, most platforms will likely be supported to some extent.
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Grin's programming language `rust` has build targets for most platforms.
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What's working so far?
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* Linux x86_64 and MacOS [grin + mining + development]
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* Not Windows 10 yet [grin kind-of builds. No mining yet. Help wanted!]
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## Requirements
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But basically:
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- rust 1.21+ (use [rustup]((https://www.rustup.rs/))- i.e. `curl https://sh.rustup.rs -sSf | sh; source $HOME/.cargo/env`)
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- cmake 3.2+ (for [Cuckoo mining plugins]((https://github.com/mimblewimble/cuckoo-miner)))
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- rocksdb + libs for compiling rocksdb:
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- clang (clanglib or clang-devel or libclang-dev)
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- llvm (Fedora llvm-devel, Debian llvm-dev)
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- ncurses and libs (ncurses, ncurses5w)
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- linux-headers (reported needed on Alpine linux)
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## Build steps
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```sh
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git clone https://github.com/mimblewimble/grin.git
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cd grin
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cargo build
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```
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### Cross-platform builds
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Rust (cargo) can build grin for many platforms, so in theory running `grin`
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as a validating node on your low powered device might be possible.
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To cross-compile `grin` on a x86 Linux platform and produce ARM binaries,
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say, for a Raspberry Pi.
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### Building the Cuckoo-Miner plugins
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Building `grin_pow` might fail if you're not on a x86_64 system,
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because that crate also builds external Cuckoo mining plugins.
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To avoid building mining plugins, ensure your `pow/Cargo.toml' has a line
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```
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features=["no-plugin-build"]
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```
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and that it's not commented out.
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### Build errors
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See [Troubleshooting](https://github.com/mimblewimble/docs/wiki/Troubleshooting)
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## What was built?
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A successful build gets you:
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- `target/debug/grin` - the main grin binary
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- `target/debug/plugins/*` - mining plugins (optional)
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Grin is still sensitive to the directory from which it's run. Make sure you
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always run it within a directory that contains a `grin.toml` configuration and
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stay consistent as to where it's run from.
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With the included `grin.toml` unchanged, if you execute `cargo run` you get a
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`.grin` subfolder that grin starts filling up with blockchain data.
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While testing, put the grin binary on your path like this:
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```
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export PATH=/path/to/grin/dir/target/debug:$PATH
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```
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You can then run `grin` directly (try `grin help` for more options).
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*Important Note*: if you used Grin in testnet1, running the wallet listener
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manually isn't requred anymore. Grin will create a seed file and run the
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listener automatically on start.
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# Configuration
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Grin has a good defaults, a configuration file `grin.toml` that's documented
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inline that can override the defaults, and command line switches that has top
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priority and overrides all others.
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The `grin.toml` file can placed in one of several locations, using the first one it finds:
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1. The current working directory
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2. In the directory that holds the grin executable
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3. {USER_HOME}/.grin
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For help on grin commands and their switches, try:
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```
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grin help
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grin wallet help
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grin client help
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```
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# Using grin
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The wiki page [How to use grin](https://github.com/mimblewimble/docs/wiki/How-to-use-grin)
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and linked pages have more information on what features we have,
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troubleshooting, etc.
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