def test_agreement_hash(ddo_sample):
"""
This test verifies generating agreement hash using fixed inputs and ddo example.
This will make it easier to compare the hash generated from different languages.
"""
w3 = Web3
did = "did:nv:0c184915b07b44c888d468be85a9b28253e80070e5294b1aaed81c2f0264e430"
template_id = w3.toChecksumAddress(
"0x00bd138abd70e2f00903268f3db08f2d25677c9e")
agreement_id = '0xf136d6fadecb48fdb2fc1fb420f5a5d1c32d22d9424e47ab9461556e058fefaa'
sa = ServiceAgreement.from_service_dict(
ddo_sample.get_service(ServiceTypes.ASSET_ACCESS).as_dictionary())
sa.service_agreement_template.set_template_id(template_id)
assert template_id == sa.template_id, ''
assert did == ddo_sample.did
# Don't generate condition ids, use fixed ids so we get consistent hash
# (access_id, lock_id, escrow_id) = sa.generate_agreement_condition_ids(
# agreement_id, ddo.asset_id, consumer, publisher, keeper)
access_id = '0x2d7c1d60dc0c3f52aa9bd71ffdbe434a0e58435571e64c893bc9646fea7f6ec1'
lock_id = '0x1e265c434c14e668695dda1555088f0ea4356f596bdecb8058812e7dcba9ee73'
escrow_id = '0xe487fa6d435c2f09ef14b65b34521302f1532ac82ba8f6c86116acd8566e2da3'
print(f'condition ids: \n'
f'{access_id} \n'
f'{lock_id} \n'
f'{escrow_id}')
agreement_hash = ServiceAgreement.generate_service_agreement_hash(
sa.template_id, (access_id, lock_id, escrow_id),
sa.conditions_timelocks, sa.conditions_timeouts, agreement_id,
generate_multi_value_hash)
print('agreement hash: ', agreement_hash.hex())
expected = '0x96732b390dacec0f19ad304ac176b3407968a0184d01b3262687fd23a3f0995e'
print('expected hash: ', expected)
assert agreement_hash.hex() == expected, 'hash does not match.'
def test_agreement():
template_id = Web3.toChecksumAddress('0x' + ('f' * 40))
agreement_id = '0x' + ('e' * 64)
access_id = '0x' + ('a' * 64)
lock_id = '0x' + ('b' * 64)
escrow_id = '0x' + ('c' * 64)
signature = ServiceAgreement.generate_service_agreement_hash(
template_id, [access_id, lock_id, escrow_id], [0, 0, 0], [0, 0, 0],
agreement_id, generate_multi_value_hash)
print({signature})
assert (signature == Web3.toBytes(
hexstr=
"0x67901517c18a3d23e05806fff7f04235cc8ae3b1f82345b8bfb3e4b02b5800c7")
), "The signature is not correct."
