def build_claims(claims, **kwargs):
extra = {
'url': kwargs.get('url'),
'action': kwargs.get('action'),
'appInfo': {
'description': kwargs.get('app_description', "forge-python-app"),
'icon': kwargs.get('app_icon'),
'name': kwargs.get('app_name'),
'subtitle': kwargs.get('app_subtitle'),
},
'chainInfo': {
'chainHost': kwargs.get('chain_host'),
'chainId': kwargs.get('chain_id'),
'chain_token': kwargs.get('token_symbol'),
'chainVersion': kwargs.get('chain_version'),
'decimals': kwargs.get('decimals'),
},
'requestedClaims': claims,
'workflow': {
'description': kwargs.get('workflow')
}
}
app_did_type = AbtDid.parse_type_from_did(kwargs.get('app_addr'))
res = {
'appPk': utils.multibase_b58encode(kwargs.get('app_pk')),
'authInfo': app_did_type.gen_and_sign(kwargs.get('app_sk'), extra)
}
return json.dumps(res)
def send_back_signature(middle_req, did, signature=None):
origin = get_origin(middle_req)
signature=forge_utils.multibase_b58encode(signature) if signature else None
requested_claim = {'did': did,
'origin': origin,
'sig': signature,
}
user_info = {
'requestedClaims': [requested_claim],
'iss': 'did:abt:' + user.address,
}
data = {
'userPk': forge_utils.multibase_b58encode(user.pk),
'userInfo': 'placeholder.' + forge_utils.multibase_b64encode(
json.dumps(user_info)) + '.placeholder'
}
return data
def require_sig(**kwargs):
user_did_type = AbtDid.parse_type_from_did(kwargs.get('user_did'))
claim = {
'type':
"signature",
'data':
utils.multibase_b58encode(
user_did_type.hasher.hash(kwargs.get('tx').SerializeToString())),
'meta': {
'description': kwargs.get('description')
},
'method':
user_did_type.hash_type,
'origin':
utils.multibase_b58encode(kwargs.get('tx').SerializeToString()),
}
return build_claims([claim], **kwargs)
def get_token(endpoint):
token = secrets.token_hex(8)
utils.mark_token_status(token, 'created')
url = forge_utils.did_url(
url=utils.server_url(f'/api/did/{endpoint}/auth?_t_={token}'),
action='requestAuth',
app_pk=forge_utils.multibase_b58encode(env.APP_PK),
app_addr=env.APP_ADDR)
return jsonify(token=token, url=url)
def get_token(endpoint, event_address):
token = secrets.token_hex(8)
utils.mark_token_status(token, 'created')
default = utils.server_url(f'/api/did/{endpoint}/auth?_t_={token}')
url = forge_utils.did_url(
url=default if not event_address else urllib.parse.quote(
utils.server_url(f'/api/did/{endpoint}/auth'
f'?_t_={token}&event_address={event_address}')),
action='requestAuth',
app_pk=forge_utils.multibase_b58encode(env.APP_PK),
app_addr=env.APP_ADDR)
return jsonify(token=token, url=url)
def __init__(self, ticket_state, event_state):
self.title = event_state.title
self.start_time = event_state.start_time
self.end_time = event_state.end_time
self.location = event_state.location
self.img_url = event_state.img_url
self.consume_tx = forge_utils.multibase_b58encode(
event_state.consume_tx.SerializeToString()) if \
event_state.consume_tx else None
self.address = ticket_state.address
self.issuer = ticket_state.issuer
self.price = forge_utils.from_unit(
forge_utils.biguint_to_int(event_state.price))
def consume():
wallet_res = forge_did.WalletResponse(request.get_json())
tx = controllers.build_consume_ticket_tx(
wallet_res.get_origin_tx(),
wallet_res.get_signature(),
)
res = forge.rpc.send_tx(tx)
base58_tx = forge_utils.multibase_b58encode(tx.SerializeToString())
if res.hash:
return jsonify(hash=res.hash,
tx=base58_tx,
ticket=request.args.get('ticket_address'))
else:
return jsonify(error='whoops! Can not consume required ticket')
def post_handler(**args):
wallet_res = args.get('wallet_res')
token = args.get('token')
tx = wallet_res.get_origin_tx()
tx.signature = wallet_res.get_signature()
res = forge.rpc.send_tx(tx)
if res.hash:
utils.mark_token_status(token, 'succeed')
return {'status': 0,
'hash': res.hash,
'tx': forge_utils.multibase_b58encode(
tx.SerializeToString())}
else:
utils.mark_token_status(token, 'error')
return {'error': f"Oops, error code: {res.code}"}
def hash_to_did(self, hash):
if not isinstance(hash, bytes):
hash = hash.encode()
try:
hash = base64.b16decode(hash, True)
except Exception:
hash = hash
type_bytes = self._type_to_bytes()
extended_hash = type_bytes + hash[0:20]
did_bytes = extended_hash + self.hasher.hash(extended_hash)[0:4]
encoded_did = utils.multibase_b58encode(did_bytes)
if not self.encode:
return did_bytes
elif self.form == 'long':
return AbtDid.PREFIX + encoded_did
else:
return encoded_did
def post_handler(**args):
wallet_res = args.get('wallet_res')
token = args.get('token')
tx = wallet_res.get_origin_tx()
logging.debug(f'nonce: {tx.nonce}')
tx.signature = wallet_res.get_signature()
res = forge.rpc.send_tx(tx)
if res.hash:
utils.mark_token_status(token, 'succeed')
logging.debug(f'hash: {res.hash}')
return {'status': 0,
'hash': res.hash,
'tx': forge_utils.multibase_b58encode(
tx.SerializeToString())}
else:
utils.mark_token_status(token, 'error')
logging.error(res)
return {'error': f"Oops, something is wrong :("}
def post_handler(**args):
wallet_res = args.get('wallet_res')
token = args.get('token')
tx = wallet_res.get_origin_tx()
tx.signature = wallet_res.get_signature()
parsed_tx = forge_utils.parse_to_proto(tx.itx.value,
forge_protos.AcquireAssetTx)
ticket_address = parsed_tx.specs[0].address
res = forge.rpc.send_tx(tx)
if res.hash:
utils.mark_token_status(token, 'succeed')
logger.debug(f"Successfully bought ticket. Hash: " + f"{res.hash}")
return {
'status': 0,
'ticket': ticket_address,
'hash': res.hash,
'tx': forge_utils.multibase_b58encode(tx.SerializeToString())
}
else:
utils.mark_token_status(token, 'error')
logger.debug(f"Fail to buy ticket with error: " + f"{res}")
return {'error': f"Oops, error code: {res.code}"}
import json
from time import sleep
import logging
forge= ForgeConn('127.0.0.1:27210')
forge_rpc = forge.rpc
user = forge_rpc.create_wallet(moniker='tester', passphrase='abcd1234').wallet
event = 'zjdkjCT3sS7LfpqhzTTSxKtAZfAogbeSWKAB'
buy_url = f'http://10.1.10.176:5000/api/did/buy-ticket/auth/event_address={event}&_t_=123'
require_asset_url = f'http://10.1.10.176:5000/api/mobile/require-asset/{event}'
get_request_params = {
'userPk': forge_utils.multibase_b58encode(user.pk),
'userDid': 'did:abt:' + user.address,
}
sleep(5)
def buy_ticket_get():
r = requests.get(url=buy_url, params=get_request_params)
return r.json()
def buy_ticket_post(middle_user_info):
origin = get_origin(middle_user_info)
tx = forge_utils.parse_to_proto(forge_utils.multibase_b58decode(origin),
forge_protos.Transaction)
def base58_encode_tx(tx):
b = tx.SerializeToString()
return forge_utils.multibase_b58encode(b)