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if not Web3.is_address(sys.argv[1]): print("❌ Invalid Ethereum ad… #509

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if not Web3.is_address(sys.argv[1]): print("❌ Invalid Ethereum ad… #509

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9 changes: 6 additions & 3 deletions app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -58,9 +58,12 @@ def main():
print("Example: python app.py 0xA0b8...eB48 0x0 18000000 19000000")
sys.exit(1)

if not Web3.is_address(sys.argv[1]): print("❌ Invalid Ethereum address."); sys.exit(1)
address = checksum(sys.argv[1])
if not Web3.is_address(address): print("❌ Invalid Ethereum address format."); sys.exit(1)
if not Web3.is_address(sys.argv[1]):
print("❌ Invalid Ethereum address.", file=sys.stderr)
sys.exit(1)

address = checksum(sys.argv[1])

slot = parse_slot(sys.argv[2])
if slot < 0 or slot >= 2**256: print("❌ Slot out of range [0, 2^256)."); sys.exit(1)
try:
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