def approve_money(self, amount):
tnx_hash = self.employer_h.approve_money(amount=int(amount) * 10**18)
user_id = self.request.role_object.user.id
save_txn.delay(tnx_hash.hex(), 'tokenApprove', user_id,
self.request.role_object.id)
save_txn_to_history.delay(user_id, tnx_hash.hex(),
'Money approved for oracle')
def set_member_role(company_address, sender_id, member_id, role):
try:
sender = Member.objects.get(pk=sender_id)
member = Member.objects.get(pk=member_id)
except Member.DoesNotExist:
logger.warning('Member not found and will not be added to company.')
else:
mi = MemberInterface(sender.contract_address)
try:
if role == 'owner':
txn_hash = mi.new_company_owner(company_address,
member.contract_address)
elif role == 'collaborator':
txn_hash = mi.new_company_collaborator(company_address,
member.contract_address)
else:
txn_hash = mi.new_company_member(company_address,
member.contract_address)
except Exception as e:
logger.error(
'Error while add member to company {} {} {} {}'.format(
company_address, member_id, sender_id, e))
else:
save_txn.delay(txn_hash.hex(), 'AddCompanyMember', sender_id,
member_id)
save_txn_to_history.delay(
sender_id, txn_hash.hex(),
'Add {} as company member'.format(member.full_name))
return True
def deploy_new_company(company_id):
"""
Deploy new company contract
:param company_id: Company off chain id for deploy
:return: True in case of successful, false otherwise
"""
try:
instance = Company.objects.get(pk=company_id)
except Company.DoesNotExist:
logger.error(
'Company with id {} not found, contract will bot be deployed.'.
format(company_id))
return False
else:
oracle = OracleHandler()
w3 = utils.get_w3()
contract_file = 'dapp/contracts/Company.sol'
compile_sol = compile_files([
contract_file,
],
output_values=(
"abi",
"ast",
"bin",
"bin-runtime",
))
create_abi(compile_sol[contract_file + ':Company']['abi'], 'Company')
obj = w3.eth.contract(
abi=compile_sol[contract_file + ':Company']['abi'],
bytecode=compile_sol[contract_file + ':Company']['bin'],
bytecode_runtime=compile_sol[contract_file +
':Company']['bin-runtime'],
)
args = [
settings.VERA_COIN_CONTRACT_ADDRESS,
settings.VERA_ORACLE_CONTRACT_ADDRESS,
]
logger.info('Try to unlock account: {}.'.format(
oracle.unlockAccount()))
try:
txn_hash = obj.deploy(transaction={'from': oracle.account},
args=args)
except Exception as e:
logger.warning(
'Error while deploy new company contract. Company {}: {}'.
format(company_id, e))
else:
logger.info('Lock account: {}'.format(oracle.lockAccount()))
save_txn.delay(txn_hash.hex(), 'NewCompany',
instance.created_by.id, company_id)
save_txn_to_history.delay(instance.created_by.id, txn_hash.hex(),
'Creation of a new Company contract')
def action_with_candidate(vacancy_id, candidate_id, action, sender_id):
try:
sender = Member.objects.get(pk=sender_id)
except Member.DoesNotExist:
logger.warning('Sender {} not found, candidate {} will not '
'be level up or reset on vacancy {}'.format(
sender_id, candidate_id, vacancy_id))
return False
try:
vacancy = Vacancy.objects.get(pk=vacancy_id)
except Vacancy.DoesNotExist:
logger.warning(
'Vacancy {} not found, action with candidate {} will not be provided'
.format(vacancy_id, candidate_id))
return False
else:
try:
candidate = Member.objects.get(pk=candidate_id)
except Member.DoesNotExist:
logger.warning(
'Candidate {} do not found, action with vacancy {} will not be provided'
.format(candidate_id, vacancy_id))
return False
else:
mi = MemberInterface(contract_address=sender.contract_address)
if action == 'approve':
method = getattr(mi, 'approve_level_up')
else:
method = getattr(mi, 'reset_candidate_action')
try:
txn_hash = method(vacancy.company.contract_address,
vacancy.uuid, candidate.contract_address)
except Exception as e:
logger.error('Error {} member on vacancy {}: {}'.format(
action, vacancy_id, e))
else:
save_txn.delay(txn_hash.hex(), 'CandidateActionUpDown',
sender_id, candidate_id, vacancy_id)
save_txn_to_history.delay(
sender_id, txn_hash.hex(),
'Member {} {} on vacancy {}.'.format(
candidate.full_name, action == 'approve' and 'approved'
or 'revoked', vacancy.title))
save_txn_to_history.delay(
candidate_id, txn_hash.hex(),
'{} on vacancy {}.'.format(action.capitalize(),
vacancy.title))
return True
def change_member_role(company_address, member_id, sender_id, role):
try:
sender = Member.objects.get(pk=sender_id)
member = Member.objects.get(pk=member_id)
except Member.DoesNotExist:
logger.warning('Member not found and will not be added to company.')
else:
mi = MemberInterface(sender.contract_address)
c_role = company_member_role(company_address, member.contract_address)
if role == c_role:
logger.info('Member already {} in company {}'.format(
role, company_address))
return False
if c_role == 'owner':
try:
mi.del_owner_member(company_address, member.contract_address)
except Exception as e:
logger.warning('Cant delete owner member role: {} {}'.format(
member_id, e))
elif c_role == 'collaborator':
try:
mi.del_collaborator_member(company_address,
member.contract_address)
except Exception as e:
logger.warning(
'Cant delete collaborator member role: {} {}'.format(
member_id, e))
method = getattr(mi, 'new_company_{}'.format(role))
try:
txn_hash = method(company_address, member.contract_address)
except Exception as e:
logger.warning('Cant add {} member role: {} {}'.format(
role, member_id, e))
else:
save_txn.delay(txn_hash.hex(), 'ChangeCompanyMember', sender_id,
member_id)
save_txn_to_history.delay(
sender_id, txn_hash.hex(),
'Change {} as company {}'.format(member.full_name, role))
return True
def change_member_status(member_id, status):
try:
member = Member.objects.get(pk=member_id)
except Member.DoesNotExist:
logger.warning('Member {} not found. Status will not be changed.')
return False
else:
mi = MemberInterface(contract_address=member.contract_address)
try:
txn_hash = mi.change_status(status)
except Exception as e:
logger.error('Error while change member {} status: {}'.format(
member_id, e))
return False
else:
save_txn.delay(txn_hash.hex(), 'ChangeStatus', member_id,
member_id)
save_txn_to_history.delay(
member_id, txn_hash.hex(), 'Status changed to {}'.format(
OracleHandler().statuses[int(status)]))
return True
def new_fact_confirmation(sender_address, member_address, fact_uuid):
try:
sender = Member.objects.get(contract_address=sender_address)
except Member.DoesNotExist:
logger.warning(
'Member with address {} not found, confirmation will not be added'.
format(sender_address))
return False
else:
mi = MemberInterface(sender_address)
try:
txn_hash = mi.verify_fact(member_address, fact_uuid)
except Exception as e:
logger.error("Cannot verify fact, e: {}".format(e))
return False
else:
save_txn.delay(txn_hash.hex(), 'NewFactConfirmation', sender.id,
fact_uuid)
save_txn_to_history.delay(
sender.id, txn_hash.hex(),
'Added fact confirmation for fact {}'.format(fact_uuid))
return True
def new_member_fact(fact, sender_address, about_address):
try:
member = Member.objects.get(contract_address=sender_address)
except Member.DoesNotExist:
logger.warning(
'Cant find member with address {}, fact will not be added'.format(
sender_address))
return False
else:
mi = MemberInterface(sender_address)
try:
txn_hash = mi.new_fact(about_address, fact,
Web3.toHex(os.urandom(32)))
except Exception as e:
logger.error('Cant add new member fact: about: {}, e: {}'.format(
about_address, e))
return False
else:
save_txn.delay(txn_hash.hex(), 'AddNewFact', member.id, member.id)
save_txn_to_history.delay(
member.id, txn_hash.hex(), 'Added new fact about {}'.format(
about_address == sender_address and 'yourself'
or about_address))
return True