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72 lines
2.6 KiB
Markdown
72 lines
2.6 KiB
Markdown
# Troubleshooting Guide
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In this guide, we will cover some common issues that may arise when installing and using Leo for the first time.
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## Downloading parameters
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When running `leo run` for the first time, Leo will download the necessary parameters from a remote server.
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This may take a while and may outright fail, depending on your internet connection and network configuration.
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You will know that the download has failed if you see the following error message or something similar:
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```bash
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ATTENTION - "genesis.prover.1c9bbe9" does not exist, downloading this file remotely and storing it locally. Please ensure "genesis.prover.1c9bbe9" is stored in "/Users/xxx/.aleo/resources/genesis.prover.1c9bbe9".
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snarkvm_parameters::testnet3 - Downloading parameters...
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snarkvm_parameters::testnet3 - thread `main` panicked at 'Failed to load proving key: Crate("curl::error", "Error { description: \"Transferred a partial file\", code: 18, extra: Some(\"transfer closed with 92197356 bytes remaining to read\") }")', /Users/xxx/.cargo/git/checkouts/snarkvm-f1160780ffe17de8/ea14990/parameters/src/testnet3/symbol_table_creation:95:9
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stack backtrace:
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0: backtrace::capture::Backtrace::new
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1: leo::set_panic_hook::{{closure}}
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2: std::panicking::rust_panic_with_hook
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3: std::panicking::begin_panic_handler::{{closure}}
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4: std::sys_common::backtrace::__rust_end_short_backtrace
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5: _rust_begin_unwind
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6: core::panicking::panic_fmt
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7: core::result::unwrap_failed
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8: std::sync::once::Once::call_once::{{closure}}
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9: std::sync::once::Once::call_inner
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10: snarkvm_compiler::process::Process<N>::load
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11: snarkvm::package::Package<N>::get_process
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12: snarkvm::package::build::<impl snarkvm::package::Package<N>>::build
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13: aleo::commands::build::Build::parse
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14: <leo::commands::build::Build as leo::commands::Command>::apply
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15: leo::commands::Command::execute
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16: leo::commands::Command::try_execute
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17: leo::run_with_args
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18: scoped_tls::ScopedKey<T>::set
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19: leo::main
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20: std::sys_common::backtrace::__rust_begin_short_backtrace
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21: std::rt::lang_start::{{closure}}
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22: std::rt::lang_start_internal
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23: _main
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```
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If this happens, try using the following script to download the parameters until it succeeds:
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```bash
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#!/bin/bash
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echo "
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Downloading parameters. This will take a few minutes...
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"
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# Create a new Leo project.
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leo new install > /dev/null 2>&1
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cd install
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# Attempt to compile the program until it passes.
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# This is necessary to ensure that the universal parameters are downloaded.
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declare -i DONE
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DONE=1
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while [ $DONE -ne 0 ]
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do
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leo build 2>&1
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DONE=$?
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sleep 0.5
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done
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# Remove the program.
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cd .. && rm -rf install
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```
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