Lesson 4 /usr/bin/which: no solc

[claxtonh]

I am going through the tutorial (see below) and when I run it, I get the error:

(solidity) [hdouglas@localhost web3PySimpleStorage]$ python deploy.py which: no solc in (/home/hdouglas/.local/share/solana/install/active_release/bin:/home/hdouglas/.local/share/solana/install/active_release/bin:/home/hdouglas/.local/share/solana/install/active_release/bin:/home/hdouglas/.local/share/solana/install/active_release/bin:/home/hdouglas/.nvm/versions/node/v14.18.1/bin:/home/hdouglas/.local/share/solana/install/active_release/bin:/home/hdouglas/anaconda3/envs/solidity/bin:/home/hdouglas/anaconda3/condabin:/usr/share/Modules/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/home/hdouglas/.local/bin:/home/hdouglas/bin:/home/hdouglas/.local/bin:/home/hdouglas/bin) 0

I used pip install py-solc-x I used npm install solc

I see the /.solcx directory in my home directory. I also see solc-v0.6.0 in the .solcx directory. If I type in: PATH=/home/hdouglas/.solcx:$PATH /usr/bin/which solc-v0.6.0 it will find solc-v0.6.0 but if I type in PATH=/home/hdouglas/.solcx:$PATH /usr/bin/which solc it won't find anything. Typing the command whereis solc also yields nothing.

The program seems to still run, but with this error appearing. Is there a way to fix it, or should I just live with it?

My code up to this point is as follows `from solcx import compile_standard, install_solc import json from web3 import Web3

with open("./SimpleStorage.sol", "r") as file: simple_storage_file = file.read() #print(simple_storage_file)

#compile Solidity

install_solc("0.6.0") compiled_sol = compile_standard( { "language": "Solidity", "sources": { "SimpleStorage.sol": { "content": simple_storage_file } }, "settings": { "outputSelection": { "" : { "": [ "abi", "metadata", "evm.bytecode", "evm.sourceMap" ] } } } }, solc_version = "0.6.0" )

#print(compiled_sol) with open("compiled_code.json", "w") as file: json.dump(compiled_sol, file)

#get bytecode bytecode = compiled_sol["contracts"]["SimpleStorage.sol"]["SimpleStorage"]["evm"]["bytecode"]["object"]

#get abi abi = compiled_sol["contracts"]["SimpleStorage.sol"]["SimpleStorage"]["abi"]

#for connecting to ganache w3 = Web3(Web3.HTTPProvider("http://127.0.0.1:7545")) chain_id = 5777 my_address = "0x64328fEcb27500fd6fd8d6d90a205f1940Ac933f" private_key = "0x6f30a6eec0f9f816161a2bdf1c7822630c900e4fd6904a21dff599dd5f5aca41"

#create the contract in python SimpleStorage = w3.eth.contract(abi=abi, bytecode=bytecode)

#get the latest transaction nonce = w3.eth.getTransactionCount(my_address) print(nonce)

#1 . Build a transaction #2. Sign a transaction #3 Send a transaction

transaction = SimpleStorage.constructor().buildTransaction({"gasPrice": w3.eth.gas_price, "chainID": chain_id, "from": my_address, "nonce": nonce}) `

[JMiddey]

I have a similar issue, although my code just doesn't find solcx or web3, I have installed all of the modules, I can see them on my npm ls and pip lists but yet they don't work. I get the error

Traceback (most recent call last): File "deploy.py", line 2, in import solcx ImportError: No module named solcx and with web3

Traceback (most recent call last): File "deploy.py", line 5, in from web3 import Web3 ImportError: No module named web3 and then when I try to find the versions of these two:

zsh: command not found: solcx zsh: command not found: web3

[claxtonh]

I ended up solving the problem by installing solc via snapd. Unfortunately, it means I had to install solc and not solcx.

Here's where someone else solved the problem: https://ethereum.stackexchange.com/questions/104058/cant-compile-contracts-with-brownie-because-of-this-error-which-no-solc-in-pa

[mrhili]

did you tryed to install it with the admin rights

[ElahiAli]

I had the similar error but with this command "sudo snap install solc" it solved but I didn't use solc in my code, I just import solcx. thanks @claxtonh