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2.6 KiB
2.6 KiB
Troubleshooting Guide
In this guide, we will cover some common issues that may arise when installing and using Leo for the first time.
Downloading parameters
When running leo run
for the first time, Leo will download the necessary parameters from a remote server.
This may take a while and may outright fail, depending on your internet connection and network configuration.
You will know that the download has failed if you see the following error message or something similar:
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".
snarkvm_parameters::testnet3 - Downloading parameters...
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
stack backtrace:
0: backtrace::capture::Backtrace::new
1: leo::set_panic_hook::{{closure}}
2: std::panicking::rust_panic_with_hook
3: std::panicking::begin_panic_handler::{{closure}}
4: std::sys_common::backtrace::__rust_end_short_backtrace
5: _rust_begin_unwind
6: core::panicking::panic_fmt
7: core::result::unwrap_failed
8: std::sync::once::Once::call_once::{{closure}}
9: std::sync::once::Once::call_inner
10: snarkvm_compiler::process::Process<N>::load
11: snarkvm::package::Package<N>::get_process
12: snarkvm::package::build::<impl snarkvm::package::Package<N>>::build
13: aleo::commands::build::Build::parse
14: <leo::commands::build::Build as leo::commands::Command>::apply
15: leo::commands::Command::execute
16: leo::commands::Command::try_execute
17: leo::run_with_args
18: scoped_tls::ScopedKey<T>::set
19: leo::main
20: std::sys_common::backtrace::__rust_begin_short_backtrace
21: std::rt::lang_start::{{closure}}
22: std::rt::lang_start_internal
23: _main
If this happens, try using the following script to download the parameters until it succeeds:
#!/bin/bash
echo "
Downloading parameters. This will take a few minutes...
"
# Create a new Leo project.
leo new install > /dev/null 2>&1
cd install
# Attempt to compile the program until it passes.
# This is necessary to ensure that the universal parameters are downloaded.
declare -i DONE
DONE=1
while [ $DONE -ne 0 ]
do
leo build 2>&1
DONE=$?
sleep 0.5
done
# Remove the program.
cd .. && rm -rf install