async def start_vcx(self):
payment_plugin = cdll.LoadLibrary('libnullpay' + file_ext())
payment_plugin.nullpay_init()
print("Provision an agent and wallet, get back configuration details")
config = await vcx_agent_provision(json.dumps(provisionConfig))
config = json.loads(config)
# Set some additional configuration options specific to faber
config['institution_name'] = 'Faber'
config['institution_logo_url'] = 'http://robohash.org/234'
config['genesis_path'] = 'local-genesis.txt'
print("Initialize libvcx with new configuration")
await vcx_init_with_config(json.dumps(config))
pass
async def main():
payment_plugin = cdll.LoadLibrary('libnullpay' + file_ext())
payment_plugin.nullpay_init()
# Set up agent and VCX
config = await vcx_agent_provision(json.dumps(provisionConfig))
config = json.loads(config)
config['institution_name'] = 'prover'
config['institution_logo_url'] = 'http://robohash.org/2'
config['genesis_path'] = 'genesis.txn'
await vcx_init_with_config(json.dumps(config))
# Input invitation details, connect to issuer and wait for them to issue a credential offer
details = input('invite details: ')
jdetails = json.loads(details)
connection_to_issuer = await Connection.create_with_details('issuer', json.dumps(jdetails))
await connection_to_issuer.connect('{"use_public_did": true}')
await connection_to_issuer.update_state()
sleep(10)
offers = await Credential.get_offers(connection_to_issuer)
# Create credential, send credential request and wait for credential offer from issuer
# The issuer creates an IssuerCredential object and the prover creates a Credential object
credential = await Credential.create('credential', offers[0])
await credential.send_request(connection_to_issuer, 0)
credential_state = await credential.get_state()
while credential_state != State.Accepted:
sleep(2)
await credential.update_state()
credential_state = await credential.get_state()
# Wait for a proof request, create proof, fill with credentials from wallet, generate and send
requests = await DisclosedProof.get_requests(connection_to_issuer)
proof = await DisclosedProof.create('proof', requests[0])
credentials = await proof.get_creds()
for attr in credentials['attrs']:
credentials['attrs'][attr] = {
'credential': credentials['attrs'][attr][0]
}
await proof.generate_proof(credentials, {})
await proof.send_proof(connection_to_issuer)
async def start_vcx(self):
payment_plugin = cdll.LoadLibrary('libnullpay' + file_ext())
payment_plugin.nullpay_init()
print("Start vcx agency process")
# http port is the main agency port
# admin_port and admin_port+1 are used by the agency server
# we need to rewrite these to the config file
input_config = "./vcx_agency/agency_config.json.template"
self.output_config = "./vcx_agency/agency_config.json"
agency_host = os.getenv("DOCKERHOST") or "host.docker.internal"
self.rewrite_config(
input_config, self.output_config, {
"$DOCKERHOST": agency_host,
"$AGENCY_PORT": str(self.http_port),
"$AGENCY_ADDRESS_1": str(self.admin_port),
"$AGENCY_ADDRESS_2": str(self.admin_port + 1),
})
await self.start_vcx_agency()
print("Provision an agent and wallet, get back configuration details")
provisionConfig["agency_url"] = "http://localhost:" + str(
self.admin_port)
config = await vcx_agent_provision(json.dumps(provisionConfig))
config = json.loads(config)
# Set some additional configuration options specific to faber
config['institution_name'] = 'Faber'
config['institution_logo_url'] = 'http://robohash.org/234'
config['genesis_path'] = 'genesis_txn.txt'
with open(config['genesis_path'], "w") as f_genesis:
f_genesis.write(self.genesis_data)
print("Initialize libvcx with new configuration")
await vcx_init_with_config(json.dumps(config))
pass
async def main():
doc_version = 1.4
"""
This section is to initialize the credentials and wallet
"""
payment_plugin = cdll.LoadLibrary('libnullpay' + file_ext())
payment_plugin.nullpay_init()
print("Iniciando SRE...")
print("..................")
# 1 Provision an agent and wallet, get back configuration details
print("#1 Proporcionar cartera de llaves")
config = await vcx_agent_provision(json.dumps(provisionConfig))
config = json.loads(config)
# print("#2 Extra configuration for SRE")
# 2 Extra configuration for SRE
config['institution_name'] = 'SRE'
config['institution_logo_url'] = 'http://robohash.org/234'
config['genesis_path'] = 'docker.txn'
# print(config)
with open('sre.json', 'w') as outfile:
json.dump(config, outfile)
"""
Open serialized config to restore session
"""
# print("#1 Cargar configuracion inicial")
# with open('sre.json') as conf:
# config = json.load(conf)
# config = json.loads(config)
print("#2 Inicializar VCX Libreria con configuracion de cartera")
session = await vcx_init_with_config(json.dumps(config))
"""
Here we create a new schema for the structure of credentials
"""
print("#3 Crear un nuevo Schema en el ledger")
version = format("%d.%d.%d" % (random.randint(
1, 101), random.randint(1, 101), random.randint(1, 101)))
schema = await Schema.create(
'passport_' + str(doc_version), 'schema_pass_' + str(doc_version),
version,
['name', 'date_of_birth', 'passport_id', 'nationality', 'gender'], 0)
schema_id = await schema.get_schema_id()
with open('schema.json', 'w') as out_sch:
json.dump(await schema.serialize(), out_sch)
"""
Load already created schema
"""
# print("#3 Load already created schema on the ledger")
# with open('schema.json') as conf:
# schema_config = json.load(conf)
# # schema_config = json.loads(config)
# schema = await Schema.deserialize(schema_config)
# schema_id = await schema.get_schema_id()
"""
Here we create a new credential_definition
"""
print(
"#4 Crear un nuevo Credential Definition para establecerse como emisor de credenciales"
)
cred_def = await CredentialDef.create('credef_pass_' + str(doc_version),
'passport_cred_' + str(doc_version),
schema_id, 0)
cred_def_handle = cred_def.handle
cred_def_id = await cred_def.get_cred_def_id()
with open('cred_def.json', 'w') as out_cred_def:
json.dump(await cred_def.serialize(), out_cred_def)
"""
Load already created credentiad_definition
"""
# print("#4 Cargar definicion de credencial ya hecha en el ledger")
# with open('cred_def.json') as conf:
# cred_def_config = json.load(conf)
# # cred_def_config = json.loads(config)
# cred_def = await CredentialDef.deserialize(cred_def_config)
# cred_def_id = await cred_def.get_cred_def_id()
"""
New invitation details
"""
print("#5 SRE crea nueva conexion para Alam y envia invitacion")
connection_to_alam = await Connection.create('other')
await connection_to_alam.connect('{"use_public_did": true}')
await connection_to_alam.update_state()
details = await connection_to_alam.invite_details(False)
print("**invite details**")
print(json.dumps(details))
print("******************")
print("#6 Esperar a que Alam acepte la invitacion")
connection_state = await connection_to_alam.get_state()
while connection_state != State.Accepted:
sleep(2)
await connection_to_alam.update_state()
connection_state = await connection_to_alam.get_state()
schema_attrs = {
'name':
'Alam',
'date_of_birth':
format("%d-%d-%d" % (random.randint(1, 30), random.randint(
1, 12), random.randint(1960, 2019))),
'passport_id':
format("G%d%d%d" % (random.randint(1, 99), random.randint(
20, 50), random.randint(10, 15))),
'nationality':
'mexicana',
'gender':
'M',
}
"""
Start to create a credential issuer
"""
print(
"#12 Crear objeto de emision de credencial utilizando un CredDef y un Schema especificos"
)
print("Con la informacion de Alam", schema_attrs)
credential = await IssuerCredential.create('alam_pass', schema_attrs,
cred_def_handle,
'passport' + str(doc_version),
'0')
with open('cred_iss.json', 'w') as out_cred_iss:
json.dump(await credential.serialize(), out_cred_iss)
"""
Load Credential Issuer
"""
# print("#4 Load already created Credential Issuer")
# with open('cred_iss.json') as conf:
# cred_iss_config = json.load(conf)
# cred_iss_config = json.loads(config)
# credential = await IssuerCredential.deserialize(cred_iss_config)
print("#13 Emitir oferta de credencial a Alam")
await credential.send_offer(connection_to_alam)
await credential.update_state()
print("#14 Esperar respuesta satisfactoria")
credential_state = await credential.get_state()
while credential_state != State.RequestReceived:
sleep(2)
await credential.update_state()
credential_state = await credential.get_state()
print("#17 Emitir credencial a Alam")
await credential.send_credential(connection_to_alam)
print(
"#18 Esperar a que Alam reciba credencial y responda de confirmacion")
await credential.update_state()
credential_state = await credential.get_state()
while credential_state != State.Accepted:
sleep(2)
await credential.update_state()
credential_state = await credential.get_state()
async def main():
payment_plugin = cdll.LoadLibrary('libnullpay' + file_ext())
payment_plugin.nullpay_init()
print("Iniciando Banco...")
print("..................")
print("#1 Proporcionar cartera de llaves")
config = await vcx_agent_provision(json.dumps(provisionConfig))
config = json.loads(config)
# Set some additional configuration options specific to alice
config['institution_name'] = 'banco'
config['institution_logo_url'] = 'http://robohash.org/456'
config['genesis_path'] = 'docker.txn'
with open('banco.json', 'w') as outfile:
json.dump(json.dumps(config), outfile)
print("#8 Inicializar VCX Libreria con configuracion de cartera")
session = await vcx_init_with_config(json.dumps(config))
print("#5 Banco crea nueva conexion para Alam y enviar invitacion")
connection_to_alam = await Connection.create('other')
await connection_to_alam.connect('{"use_public_did": true}')
await connection_to_alam.update_state()
details = await connection_to_alam.invite_details(False)
print("**invite details**")
print(json.dumps(details))
print("******************")
print("#6 Esperar a que Alam acepte la invitacion")
connection_state = await connection_to_alam.get_state()
while connection_state != State.Accepted:
sleep(2)
await connection_to_alam.update_state()
connection_state = await connection_to_alam.get_state()
with open('sre.json', 'r') as s_c:
sre_conf = json.load(s_c)
proof_attrs = [{
'name':
'name',
'restrictions': [{
'issuer_did': sre_conf['institution_did']
}]
}, {
'name':
'date_of_birth',
'restrictions': [{
'issuer_did': sre_conf['institution_did']
}]
}, {
'name':
'nationality',
'restrictions': [{
'issuer_did': sre_conf['institution_did']
}]
}]
print("\n\n Atributos solicitados:\n")
for el in proof_attrs:
print(el["name"])
print("#19 Crear solicitud de prueba de informacion:")
print("Solicita - Nombre, fecha de nacimiento y nacionalidad")
print(
"En este caso hacemos una solicitud de documentos pero tienen que estar firmados exclusivamente por la SRE"
)
proof = await Proof.create('proof_uuid', 'proof_from_alam', proof_attrs,
{})
print("#20 Enviar solicitud de informacion")
await proof.request_proof(connection_to_alam)
print("#21 Esperar respuesta de Alam")
proof_state = await proof.get_state()
while proof_state != State.Accepted:
sleep(2)
await proof.update_state()
proof_state = await proof.get_state()
print(
"#27 Procesar la prueba, comprobar firma digital del emisor, secreto maestro de Alam e informacion valida"
)
info = await proof.get_proof(connection_to_alam)
print("#28 Validando prueba...")
if proof.proof_state == ProofState.Verified:
print("Prueba verificada")
else:
print("Informacion invalida")
attrs = info["requested_proof"]["revealed_attrs"]
print("\n\n Atributos revelados:\n")
for key, value in attrs.items():
print(key, value["raw"])
async def main():
payment_plugin = cdll.LoadLibrary('libnullpay' + file_ext())
payment_plugin.nullpay_init()
print("Iniciando Alam...")
print("..................")
print("#1 Proporcionar cartera de llaves")
config = await vcx_agent_provision(json.dumps(provisionConfig))
config = json.loads(config)
# Set some additional configuration options specific to alice
config['institution_name'] = 'alice'
config['institution_logo_url'] = 'http://robohash.org/456'
config['genesis_path'] = 'docker.txn'
with open('alam.json', 'w') as outfile:
json.dump(json.dumps(config), outfile)
# print("#1 Cargar configuracion inicial")
# with open('sre.json') as conf:
# config = json.load(conf)
# print(type(config))
# config = json.loads(config)
print("#8 Inicializar VCX Libreria con configuracion de cartera")
session = await vcx_init_with_config(json.dumps(config))
print("#9 Ingresar detalles de invitacion SRE")
details = input('Detalles de invitacion: ')
print("#10 Convertir string a json y crear conexion")
jdetails = json.loads(details)
connection_to_sre = await Connection.create_with_details('sre', json.dumps(jdetails))
await connection_to_sre.connect('{"use_public_did": true}')
await connection_to_sre.update_state()
print("#11 Esperar a que SRE emita oferta de credencial")
sleep(10)
offers = await Credential.get_offers(connection_to_sre)
# Create a credential object from the credential offer
credential = await Credential.create('credential', offers[0])
print("#15 Una vez recibida la oferta, responder a la peticion")
await credential.send_request(connection_to_sre, 0)
print("#16 Esperar respuesta de SRE y aceptar credencial")
credential_state = await credential.get_state()
while credential_state != State.Accepted:
sleep(2)
await credential.update_state()
credential_state = await credential.get_state()
print("Credencial aceptada!")
print("#9 Ingresar detalles de invitacion Banco")
details = input('Detalles de invitacion: ')
print("#10 Convertir string a json y crear conexion")
jdetails = json.loads(details)
connection_to_bank = await Connection.create_with_details('bank', json.dumps(jdetails))
await connection_to_bank.connect('{"use_public_did": true}')
await connection_to_bank.update_state()
sleep(10)
print("#22 Hacer request de solicitudes de pruebas")
requests = await DisclosedProof.get_requests(connection_to_bank)
print("#23 Una vez recibida la solicitud, crear nueva prueba con requisitos")
proof = await DisclosedProof.create('proof_pass', requests[0])
print("#24 Consultar cartera por credenciales que satisfagan la informacion requerida")
credentials = await proof.get_creds()
print(credentials)
# Use the first available credentials to satisfy the proof request
for attr in credentials['attrs']:
credentials['attrs'][attr] = {
'credential': credentials['attrs'][attr][0]
}
# print(credentials)
print("#25 Generar la prueba con las credenciales y atributos necesarios")
await proof.generate_proof(credentials, {})
print("#26 Enviar prueba de informacion al Banco")
await proof.send_proof(connection_to_bank)
from vcx.api.issuer_credential import IssuerCredential
from vcx.api.proof import Proof
from vcx.api.schema import Schema
from vcx.api.utils import vcx_agent_provision
from vcx.api.vcx_init import vcx_init_with_config
from vcx.state import State, ProofState
app = Quart(__name__, static_url_path='/static')
"""
Global variables that are going to
be used throughout all the proces of verification
"""
name = ""
sre_connections = {}
credentials = []
payment_plugin = cdll.LoadLibrary('libnullpay' + file_ext())
payment_plugin.nullpay_init()
"""
This is the privisional configuration for the SRE entity
It is mainly for initialization purposes.
"""
provisionConfig = {
'agency_url':'http://localhost:8080',
'agency_did':'VsKV7grR1BUE29mG2Fm2kX',
'agency_verkey':'Hezce2UWMZ3wUhVkh2LfKSs8nDzWwzs2Win7EzNN3YaR',
'wallet_name':'sre_wallet',
'wallet_key':'123',
'payment_method': 'null',
'enterprise_seed':'000000000000000000000000Trustee1'
async def main():
payment_plugin = cdll.LoadLibrary('libnullpay' + file_ext())
payment_plugin.nullpay_init()
# Set up agent and VCX
config = await vcx_agent_provision(json.dumps(provisionConfig))
config = json.loads(config)
config['institution_name'] = 'Issuer'
config['institution_logo_url'] = 'http://robohash.org/1'
config['genesis_path'] = 'genesis.txn'
await vcx_init_with_config(json.dumps(config))
# New schema and cred def
version = format("%d.%d.%d" % (random.randint(
1, 101), random.randint(1, 101), random.randint(1, 101)))
schema = await Schema.create('schema_uuid', 'access schema', version,
['name', 'date', 'access'], 0)
schema_id = await schema.get_schema_id()
cred_def = await CredentialDef.create('credef_uuid', 'access', schema_id,
0)
cred_def_handle = cred_def.handle
await cred_def.get_cred_def_id()
# Connect to prover, wait for them to accept (requires prover.py running)
connection_to_prover = await Connection.create('prover')
await connection_to_prover.connect('{"use_public_did": true}')
await connection_to_prover.update_state()
details = await connection_to_prover.invite_details(False)
print(json.dumps(details))
connection_state = await connection_to_prover.get_state()
while connection_state != State.Accepted:
sleep(2)
await connection_to_prover.update_state()
connection_state = await connection_to_prover.get_state()
# Create credential and offer it to the prover, wait for them to make a credential request
# The issuer creates an IssuerCredential object and the prover creates a Credential object
schema_attrs = {
'name': 'prover',
'date': '01-2020',
'access': 'yes',
}
credential = await IssuerCredential.create('prover_access', schema_attrs,
cred_def_handle, 'cred', '0')
await credential.send_offer(connection_to_prover)
await credential.update_state()
credential_state = await credential.get_state()
while credential_state != State.RequestReceived:
sleep(2)
await credential.update_state()
credential_state = await credential.get_state()
# Send credential and wait for prover to receive it
await credential.send_credential(connection_to_prover)
await credential.update_state()
credential_state = await credential.get_state()
while credential_state != State.Accepted:
sleep(2)
await credential.update_state()
credential_state = await credential.get_state()
# Create proof and request it from the prover, wait for them to sen
proof_attrs = [{
'name': 'name',
'restrictions': [{
'issuer_did': config['institution_did']
}]
}, {
'name': 'date',
'restrictions': [{
'issuer_did': config['institution_did']
}]
}, {
'name': 'access',
'restrictions': [{
'issuer_did': config['institution_did']
}]
}]
proof = await Proof.create('proof_uuid', 'proof_from_prover', proof_attrs,
{})
await proof.request_proof(connection_to_prover)
proof_state = await proof.get_state()
while proof_state != State.Accepted:
sleep(2)
await proof.update_state()
proof_state = await proof.get_state()
# Get and verify proof
await proof.get_proof(connection_to_prover)
if proof.proof_state == ProofState.Verified:
print("proof is verified!!")
else:
print("could not verify proof.")