2020-06-24 06:47:06 +03:00
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# Building timelords
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2020-05-19 19:40:44 +03:00
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The Linux and MacOS chiavdf binary wheels currently exclude an executable
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required to run a Timelord. If you want to run a Timelord on Linux or MacOS,
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you must install the wheel from source (which may require some additional
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development packages) while in the virtual environment.
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2020-06-24 06:47:06 +03:00
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```bash
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2020-05-19 19:40:44 +03:00
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. ./activate
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sh install-timelord.sh
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```
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If the compile fails, it's likely due to a missing dependency.
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[install-timelord.sh](https://github.com/Chia-Network/chia-blockchain/blob/master/install-timelord.sh)
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attempts to install required build dependencies for Linux and MacOS before
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invoking pip to build from the source python distribution of chiavdf.
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The `install-timelord.sh` install script leverages two environmental variables
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that the chiavdf wheels can use to specify how to build. `vdf_client` is the
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service that the Timelord uses to run the VDF and prove the Proof of Time.
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`vdf_bench` is a utility to get a sense of a given CPU's iterations per second.
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- To build vdf_client set the environment variable BUILD_VDF_CLIENT to "Y".
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`export BUILD_VDF_CLIENT=Y`.
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- Similarly, to build vdf_bench set the environment variable BUILD_VDF_BENCH
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to "Y". `export BUILD_VDF_BENCH=Y`.
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Building and running Timelords in Windows x86-64 is not yet supported.
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