Use prebuilt proof binaries when building
Make the basic build instructions use the prebuilt proof binaries instead of building them from source. Removed rustup as a dependency, and linked to it in the full docs instead.
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README.md
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README.md
@ -67,20 +67,12 @@ sudo dnf -y install gcc make git bzr jq pkgconfig mesa-libOpenCL mesa-libOpenCL-
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For other distributions you can find the required dependencies [here.](https://docs.filecoin.io/get-started/lotus/installation/#system-specific) For instructions specific to macOS, you can find them [here.](https://docs.filecoin.io/get-started/lotus/installation/#macos)
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#### Rustup
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Lotus needs [rustup](https://rustup.rs). The easiest way to install it is:
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```bash
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wget -c https://golang.org/dl/go1.16.2.linux-amd64.tar.gz -O - | sudo tar -xz -C /usr/local
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```
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#### Go
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To build Lotus, you need a working installation of [Go 1.16.1 or higher](https://golang.org/dl/):
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To build Lotus, you need a working installation of [Go 1.16.4 or higher](https://golang.org/dl/):
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```bash
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wget -c https://golang.org/dl/go1.16.2.linux-amd64.tar.gz -O - | sudo tar -xz -C /usr/local
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wget -c https://golang.org/dl/go1.16.4.linux-amd64.tar.gz -O - | sudo tar -xz -C /usr/local
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```
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**TIP:**
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@ -102,6 +94,8 @@ Once all the dependencies are installed, you can build and install the Lotus sui
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git clone https://github.com/filecoin-project/lotus.git
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cd lotus/
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```
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Note: The default branch `master` is the dev branch where the latest new features, bug fixes and improvement are in. However, if you want to run lotus on Filecoin mainnet and want to run a production-ready lotus, get the latest release[ here](https://github.com/filecoin-project/lotus/releases).
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2. To join mainnet, checkout the [latest release](https://github.com/filecoin-project/lotus/releases).
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@ -118,30 +112,12 @@ Once all the dependencies are installed, you can build and install the Lotus sui
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Currently, the latest code on the _master_ branch corresponds to mainnet.
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3. If you are in China, see "[Lotus: tips when running in China](https://docs.filecoin.io/get-started/lotus/tips-running-in-china/)".
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4. Depending on your CPU model, you will want to export additional environment variables:
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If you have **an AMD Zen or Intel Ice Lake CPU (or later)**, enable the use of SHA extensions by adding these two environment variables:
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```sh
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export RUSTFLAGS="-C target-cpu=native -g"
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export FFI_BUILD_FROM_SOURCE=1
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```
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See the [Native Filecoin FFI section](https://docs.filecoin.io/get-started/lotus/installation/#native-filecoin-ffi) for more details about this process.
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Some older Intel and AMD processors without the ADX instruction support may panic with illegal instruction errors. To fix this, add the `CGO_CFLAGS` environment variable:
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```sh
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export CGO_CFLAGS_ALLOW="-D__BLST_PORTABLE__"
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export CGO_CFLAGS="-D__BLST_PORTABLE__"
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```
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This is due to a Lotus bug that prevents Lotus from running on a processor without `adx` instruction support, and should be fixed soon.
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4. This build instruction uses the prebuilt proofs binaries. If you want to build the proof binaries from source check the [complete instructions](https://docs.filecoin.io/get-started/lotus/installation/#build-and-install-lotus). Note, if you are building the proof binaries from source, [installing rustup](https://docs.filecoin.io/get-started/lotus/installation/#rustup) is also needed.
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5. Build and install Lotus:
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```sh
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make clean all
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make clean all #mainnet
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# Or to join a testnet or devnet:
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make clean calibnet # Calibration with min 32GiB sectors
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