51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
import json
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import argparse
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from utils import now
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from templates import presentation_tmpl, proof_tmpl
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from did import key_read, generate_did, get_signing_key
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from sign import sign_proof
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def sign_vp(signing_key, holder_did, vc):
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presentation = presentation_tmpl.copy()
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presentation["verifiableCredential"].append(json.loads(vc))
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presentation["holder"] = holder_did
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_did = holder_did + "#" + holder_did.split("did:key:")[1]
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proof = proof_tmpl.copy()
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proof['verificationMethod'] = _did
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proof['created'] = now()
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sign_proof(presentation, proof, signing_key)
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del proof['@context']
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presentation['proof'] = proof
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return presentation
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def main():
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parser=argparse.ArgumentParser(description='Generates a new credential')
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parser.add_argument("-k", "--key-path", required=True)
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parser.add_argument("-c", "--credential-path", required=True)
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args=parser.parse_args()
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if args.key_path and args.credential_path:
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with open(args.credential_path, "r") as f:
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vc = f.read()
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if not vc:
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print("You need pass a credential.")
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return
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key = key_read(args.key_path)
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did = generate_did(key)
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signing_key = get_signing_key(key)
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vp = sign_vp(signing_key, did, vc)
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print(json.dumps(vp, separators=(',', ':')))
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return
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if __name__ == "__main__":
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main()
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