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Chore: validate --rpc and --private-key arguments for correctness #513

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Chore: validate --rpc and --private-key arguments for correctness #513

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11 changes: 11 additions & 0 deletions attestation_tool.py
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Original file line number Diff line number Diff line change
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from urllib.parse import urlparse

# RPC validation
if not urlparse(args.rpc).scheme:
print("❌ Invalid RPC URL format.", file=sys.stderr)
sys.exit(2)

# Private key validation
if args.sign and (len(pk) != 64 or not all(c in "0123456789abcdef" for c in pk.lower())):
print("❌ Invalid PRIVATE_KEY format. Should be 64 hexadecimal characters.", file=sys.stderr)
sys.exit(2)