tests: remove solcx dependency

dev-support/dep_pip3.sh

@@ -2,9 +2,7 @@
 
 set -e
 
-pip3 install cfx-account eth-utils py-ecc rlp trie coincurve safe-pysha3 conflux-web3==1.4.0b5 web3 py-solc-x jsonrpcclient==3.3.6 asyncio websockets pyyaml numpy
-
-python3 -m solcx.install v0.5.17
+pip3 install cfx-account eth-utils py-ecc rlp trie coincurve safe-pysha3 conflux-web3==1.4.0b5 web3 jsonrpcclient==3.3.6 asyncio websockets pyyaml numpy
 
 # TODO cross platform
 #yum install clang snappy snappy-devel zlib zlib-devel bzip2 bzip2-devel lz4-devel

tests/fixed_supply_token_test.py

@@ -6,7 +6,7 @@
 from web3 import Web3
 import os
 
-from test_framework.util import get_contract_instance
+from test_framework.util import load_contract_metadata
 
 
 class FixedTokenSupplyTokenTest(SmartContractBenchBase):
@@ -18,9 +18,11 @@ def __init__(self):
         self.accounts = []
 
     def setup_contract(self):
-        file_dir = os.path.dirname(os.path.realpath(__file__))
-        self.contract = get_contract_instance(source=os.path.join(file_dir, "contracts/fixed_supply_token.sol"),
-                                                   contract_name="FixedSupplyToken")
+        metadata = load_contract_metadata("ERC20")
+        self.contract = Web3().eth.contract(
+            abi=metadata["abi"],
+            bytecode=metadata["bytecode"],
+        )
         self.log.info("Initializing contract")
 
         transaction = self.call_contract_function(self.contract, "constructor", [], self.default_account_key, storage_limit=20000)

tests/test_framework/util.py

@@ -15,7 +15,6 @@
 import socket
 import threading
 import jsonrpcclient.exceptions
-import solcx
 import conflux_web3 # should be imported before web3
 import web3
 from cfx_account import Account as CfxAccount
@@ -34,8 +33,6 @@
 if TYPE_CHECKING:
     from conflux.rpc import RpcClient
 
-solcx.set_solc_version('v0.5.17')
-
 CONFLUX_RPC_WAIT_TIMEOUT = 60
 CONFLUX_GRACEFUL_SHUTDOWN_TIMEOUT = 1220
 
@@ -758,14 +755,15 @@ def get_contract_instance(contract_dict=None,
     w3 = web3.Web3()
     contract = None
     if source and contract_name:
-        output = solcx.compile_files([source])
-        if platform == "win32":
-            source = os.path.abspath(source).replace("\\","/")
-        contract_dict = output[f"{source}:{contract_name}"]
-        if "bin" in contract_dict:
-            contract_dict["bytecode"] = contract_dict.pop("bin")
-        elif "code" in contract_dict:
-            contract_dict["bytecode"] = contract_dict.pop("code")
+        raise Exception("deprecated")
+        # output = solcx.compile_files([source])
+        # if platform == "win32":
+        #     source = os.path.abspath(source).replace("\\","/")
+        # contract_dict = output[f"{source}:{contract_name}"]
+        # if "bin" in contract_dict:
+        #     contract_dict["bytecode"] = contract_dict.pop("bin")
+        # elif "code" in contract_dict:
+        #     contract_dict["bytecode"] = contract_dict.pop("code")
     if contract_dict:
         contract = w3.eth.contract(
             abi=contract_dict['abi'], bytecode=contract_dict['bytecode'], address=address)