From 0d2b730ebf37f35d990f7d175ba850cb2a94586e Mon Sep 17 00:00:00 2001
From: The MMGen Project <mmgen@tuta.io>
Date: Sat, 23 Apr 2022 14:36:09 +0000
Subject: [PATCH] unit_tests.py dep: add solc (Solidity compiler) test

---
 test/include/common.py      | 21 +++++++++++++++++++++
 test/test_py_d/ts_ethdev.py | 21 ++-------------------
 test/unit_tests_d/ut_dep.py | 27 ++++++++++++++++++++++++++-
 3 files changed, 49 insertions(+), 20 deletions(-)

diff --git a/test/include/common.py b/test/include/common.py
index b4e87c5e..a46f7e95 100755
--- a/test/include/common.py
+++ b/test/include/common.py
@@ -24,6 +24,7 @@ class TestSuiteException(Exception): pass
 class TestSuiteFatalException(Exception): pass
 
 import os
+from subprocess import run,PIPE
 from mmgen.common import *
 from mmgen.devtools import *
 from mmgen.fileutil import write_data_to_file,get_data_from_file
@@ -231,3 +232,23 @@ def test_daemons_ops(*network_ids,op,remove_datadir=False):
 				d.remove_datadir()
 			ret = d.cmd(op,silent=silent)
 		return ret
+
+tested_solc_ver = '0.8.7'
+
+def check_solc_ver():
+	cmd = 'python3 scripts/create-token.py --check-solc-version'
+	try:
+		cp = run(cmd.split(),check=False,stdout=PIPE)
+	except Exception as e:
+		die(4,f'Unable to execute {cmd!r}: {e}')
+	res = cp.stdout.decode().strip()
+	if cp.returncode == 0:
+		omsg(
+			orange(f'Found supported solc version {res}') if res == tested_solc_ver else
+			yellow(f'WARNING: solc version ({res}) does not match tested version ({tested_solc_ver})')
+		)
+		return True
+	else:
+		omsg(yellow('Warning: Solidity compiler (solc) could not be executed or has unsupported version'))
+		omsg(res)
+		return False
diff --git a/test/test_py_d/ts_ethdev.py b/test/test_py_d/ts_ethdev.py
index 76849973..d86c3578 100755
--- a/test/test_py_d/ts_ethdev.py
+++ b/test/test_py_d/ts_ethdev.py
@@ -51,25 +51,6 @@ amt2 = '888.111122223333444455'
 parity_devkey_fn = 'parity.devkey'
 erigon_devkey_fn = 'erigon.devkey'
 
-tested_solc_ver = '0.8.7'
-
-def check_solc_ver():
-	cmd = 'python3 scripts/create-token.py --check-solc-version'
-	try:
-		cp = run(cmd.split(),check=False,stdout=PIPE)
-	except Exception as e:
-		die(4,f'Unable to execute {cmd!r}: {e}')
-	res = cp.stdout.decode().strip()
-	if cp.returncode == 0:
-		omsg(
-			orange(f'Found supported solc version {res}') if res == tested_solc_ver else
-			yellow(f'WARNING: solc version ({res}) does not match tested version ({tested_solc_ver})')
-		)
-		return True
-	else:
-		omsg(yellow(res + '\nUsing precompiled contract data'))
-		return False
-
 vbal1 = '1.2288409'
 vbal9 = '1.22626295'
 vbal2 = '99.997088755'
@@ -327,6 +308,8 @@ class TestSuiteEthdev(TestSuiteBase,TestSuiteShared):
 		from mmgen.daemon import CoinDaemon
 		self.rpc_port = CoinDaemon(proto=self.proto,test_suite=True).rpc_port
 		self.using_solc = check_solc_ver()
+		if not self.using_solc:
+			omsg(yellow('Using precompiled contract data'))
 
 		write_to_file(
 			joinpath(self.tmpdir,parity_devkey_fn),
diff --git a/test/unit_tests_d/ut_dep.py b/test/unit_tests_d/ut_dep.py
index 6f185fe4..3d0a42b8 100755
--- a/test/unit_tests_d/ut_dep.py
+++ b/test/unit_tests_d/ut_dep.py
@@ -6,12 +6,15 @@ test.unit_tests_d.ut_dep: dependency unit tests for the MMGen suite
   No data verification is performed.
 """
 
+from subprocess import run,PIPE
+
 from mmgen.common import *
 from mmgen.exception import NoLEDSupport
+from ..include.common import check_solc_ver
 
 class unit_tests:
 
-	altcoin_deps = ('pysha3','py_ecc')
+	altcoin_deps = ('pysha3','py_ecc','solc')
 	win_skip = ('aiohttp','pysha3','led')
 
 	def led(self,name,ut):
@@ -99,3 +102,25 @@ class unit_tests:
 		scrypt(password=passwd,salt=salt,n=2**N,r=r,p=p,maxmem=0,dklen=buflen)
 
 		return True
+
+	def solc(self,name,ut):
+		from mmgen.protocol import init_proto
+		solc_ok = check_solc_ver()
+		if solc_ok:
+			cmd = [
+				'python3',
+				'scripts/create-token.py',
+				'--coin=ETH',
+				'--name=My Fake Token',
+				'--symbol=FAKE',
+				'--supply=100000000000000000000000000',
+				'--decimals=18',
+				'--stdout',
+				init_proto('eth').checksummed_addr('deadbeef'*5),
+			]
+			cp = run(cmd,stdout=PIPE,stderr=PIPE)
+			vmsg(cp.stderr.decode())
+			if cp.returncode:
+				msg(cp.stderr.decode())
+				return False
+		return True