def test_donations_post2(client_w_eth):
test_user_post(client_w_eth)
res = client_w_eth.get(
'/api/users?username=sw2020testuser1337.id.blockstack')
assert res._status_code == 200
WEB3.eth.sendTransaction({
'from': WEB3.eth.accounts[9],
'to': res.json[0]["publickey"],
'value': 1 * 10**18
})
headers = {
"authToken": TOKEN_3,
"idproject": 1,
"amount": int(WEB3.toWei(0.02, 'ether')),
"voteEnabled": 1
}
res = client_w_eth.post('/api/donations', headers=headers)
assert res._status_code == 201
assert len(res.json) == 1
assert res.json["status"] == "Spende wurde verbucht"
res = client_w_eth.get('/api/donations?iduser=8')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 5
assert res.json[0]["amount"] == int(WEB3.toWei(0.02, 'ether'))
assert res.json[0]["userid"] == 8
assert res.json[0]["milestoneid"] == 1
def test_donations_vote2(client_w_eth):
headers = {
"authToken": TOKEN_2,
"idproject": 1,
"amount": int(WEB3.toWei(0.02, 'ether')),
"voteEnabled": 1
}
res = client_w_eth.post('/api/donations', headers=headers)
assert res._status_code == 201
headers = {
"authToken": TOKEN_2,
"idproject": 1,
"amount": int(WEB3.toWei(0.02, 'ether')),
"voteEnabled": 1
}
res = client_w_eth.post('/api/donations', headers=headers)
assert res._status_code == 201
headers = {"authToken": TOKEN_2, "id": 5, "vote": 1}
res = client_w_eth.post('/api/donations/vote', headers=headers)
assert res._status_code == 200
assert len(res.json) == 1
assert res.json["status"] == "ok"
headers = {"authToken": TOKEN_2, "id": 6, "vote": 0}
res = client_w_eth.post('/api/donations/vote', headers=headers)
assert res._status_code == 400
assert len(res.json) == 1
assert res.json["error"] == "already voted"
def test_donations_get(client):
res = client.get('/api/donations')
assert res._status_code == 200
assert len(res.json) == 4
assert res.json[0]["id"] == 1
assert res.json[0]["amount"] == WEB3.toWei(0.03, 'ether')
assert res.json[0]["userid"] == 1
assert res.json[0]["milestoneid"] == 1
assert res.json[0]["projectid"] == 1
assert res.json[0]["projectname"] == "Computer malt Bild"
assert res.json[1]["id"] == 2
assert res.json[1]["amount"] == WEB3.toWei(0.02, 'ether')
assert res.json[1]["userid"] == 2
assert res.json[1]["milestoneid"] == 2
assert res.json[1]["projectid"] == 1
assert res.json[1]["projectname"] == "Computer malt Bild"
assert res.json[2]["id"] == 3
assert res.json[2]["amount"] == WEB3.toWei(0.01, 'ether')
assert res.json[2]["userid"] == 3
assert res.json[2]["milestoneid"] == 3
assert res.json[2]["projectid"] == 1
assert res.json[2]["projectname"] == "Computer malt Bild"
assert res.json[3]["id"] == 4
assert res.json[3]["amount"] == WEB3.toWei(0.04, 'ether')
assert res.json[3]["userid"] == 4
assert res.json[3]["milestoneid"] == 4
assert res.json[3]["projectid"] == 2
assert res.json[3]["projectname"] == "Rangaroek verteidigen"
def test_voucher_user_expired2(client):
res = client.get('/api/vouchers/user?expired=0')
assert res._status_code == 200
assert len(res.json) == 3
assert res.json[0]["id"] == 2
assert res.json[0]["userid"] == 2
assert res.json[0]["idvoucher"] == 2
assert res.json[0]["untilTime"] == datetime(2022, 5, 17).timestamp()
assert not res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.02, 'ether')
assert res.json[1]["id"] == 3
assert res.json[1]["userid"] == 6
assert res.json[1]["idvoucher"] == 1
assert res.json[1]["untilTime"] == datetime(2022, 1, 13).timestamp()
assert not res.json[1]["used"]
assert res.json[1]["price"] == WEB3.toWei(0.01, 'ether')
assert res.json[2]["id"] == 4
assert res.json[2]["userid"] == 7
assert res.json[2]["idvoucher"] == 2
assert res.json[2]["untilTime"] == datetime(2021, 5, 17).timestamp()
assert res.json[2]["used"]
assert res.json[2]["price"] == WEB3.toWei(0.02, 'ether')
def test_voucher_institution_get(client):
res = client.get('/api/vouchers/institution')
assert res._status_code == 200
assert len(res.json) == 2
assert res.json[0]["id"] == 1
assert res.json[0]["amount"] == 2
assert res.json[0]["institutionid"] == 1
assert res.json[0]["institutionName"] == "MSGraphic"
assert res.json[0][
"subject"] == "Der Computer malt ein täuschend echtes Bild für sie"
assert res.json[0]["title"] == "Von Computer gemaltes Bild"
assert res.json[0]["validTime"] == 2 * 31536000
assert not res.json[0]["available"]
assert res.json[0]["price"] == WEB3.toWei(0.01, 'ether')
assert res.json[1]["id"] == 2
assert res.json[1]["amount"] == 2
assert res.json[1]["institutionid"] == 1
assert res.json[1]["institutionName"] == "MSGraphic"
assert res.json[1]["subject"] == "Software für ein Hochschulprojet"
assert res.json[1]["title"] == "Software"
assert res.json[1]["validTime"] == 2 * 31536000
assert res.json[1]["available"]
assert res.json[1]["price"] == WEB3.toWei(0.02, 'ether')
def test_voucher_user_get_idvoucher(client):
res = client.get('/api/vouchers/user?idVoucher=2')
assert res._status_code == 200
assert len(res.json) == 2
assert res.json[0]["id"] == 2
assert res.json[0]["userid"] == 2
assert res.json[0]["idvoucher"] == 2
assert res.json[0]["untilTime"] == datetime(2022, 5, 17).timestamp()
assert not res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.02, 'ether')
assert res.json[1]["id"] == 4
assert res.json[1]["userid"] == 7
assert res.json[1]["idvoucher"] == 2
assert res.json[1]["untilTime"] == datetime(2021, 5, 17).timestamp()
assert res.json[1]["used"]
assert res.json[1]["price"] == WEB3.toWei(0.02, 'ether')
def voucher_post(session, user):
"""
Handles POST for resource <base>/api/voucher/user .
:return: json data of projects
"""
id_voucher = request.headers.get('idVoucher')
if not id_voucher:
return jsonify({'error': 'missing id'}), 400
try:
check_params_int([id_voucher])
except ValueError:
return jsonify({"error": "bad argument"}), 400
try:
voucher = session.query(Voucher).filter(
Voucher.idVoucher == id_voucher).one()
balance = WEB3.eth.getBalance(user.publickeyUser)
if balance < int(voucher.priceVoucher): # ToDo: gas-cost?
return jsonify({'error': 'not enough balance'}), 406
if not voucher.available:
return jsonify({'error': 'voucher not available'}), 406
association = VoucherUser(
usedVoucher=False,
expires_unixtime=(datetime.now() + timedelta(0, 2 * 31536000)),
voucher=voucher,
user=user)
inst: Institution = session.query(Institution).filter(
Institution.idInstitution == voucher.institution_id).one()
transaction = {
'nonce': WEB3.eth.getTransactionCount(user.publickeyUser),
'to': inst.publickeyInstitution,
'value': int(voucher.priceVoucher),
'gas': 200000,
'gasPrice': WEB3.toWei('50', 'gwei')
}
signed_transaction = WEB3.eth.account.sign_transaction(
transaction, user.privatekeyUser)
WEB3.eth.sendRawTransaction(signed_transaction.rawTransaction)
association.redeem_id = add_voucher(
user, inst, voucher.titleVoucher,
abs(association.expires_unixtime - datetime.now()).days)
session.add(voucher)
session.add(association)
session.commit()
except InvalidAddress:
return jsonify({'error': 'given publickey is not valid'}), 400
except NoResultFound:
return jsonify({'error': 'Voucher doesnt exist'}), 404
return jsonify({'status': 'voucher bought'}), 200
def test_donations_get_w_maxamount(client):
res = client.get('/api/donations?maxamount=10000000000000000')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 3
assert res.json[0]["amount"] == WEB3.toWei(0.01, 'ether')
assert res.json[0]["userid"] == 3
assert res.json[0]["milestoneid"] == 3
assert res.json[0]["projectid"] == 1
assert res.json[0]["projectname"] == "Computer malt Bild"
def test_donations_get_w_minamount(client):
res = client.get('/api/donations?minamount=40000000000000000')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 4
assert res.json[0]["amount"] == WEB3.toWei(0.04, 'ether')
assert res.json[0]["userid"] == 4
assert res.json[0]["milestoneid"] == 4
assert res.json[0]["projectid"] == 2
assert res.json[0]["projectname"] == "Rangaroek verteidigen"
def test_voucher_user_expired(client):
res = client.get('/api/vouchers/user?expired=1')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 1
assert res.json[0]["userid"] == 1
assert res.json[0]["idvoucher"] == 1
assert res.json[0]["untilTime"] == datetime(2020, 1, 1).timestamp()
assert not res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.01, 'ether')
def test_projects_id_get_existant_param(client):
"""get for project id with existant id."""
res = client.get('/api/projects/1')
assert res._status_code == 200
assert len(res.json) == 14
assert res.json["id"] == 1
assert res.json["idinstitution"] == 1
assert res.json["name"] == "Computer malt Bild"
assert res.json["webpage"] == "http://www.cmb.de"
assert res.json["address"] == "Address1"
assert res.json["until"] == 1693094933
assert res.json["goal"] == WEB3.toWei(1, 'ether')
assert len(res.json["milestones"]) == 4
assert res.json["milestones"][0]["id"] == 1
assert res.json["milestones"][0]["idProjekt"] == 1
assert res.json["milestones"][0]["goal"] == WEB3.toWei(0.1, 'ether')
assert res.json["milestones"][0]["currentVotes"] == 112
assert res.json["milestones"][0]["until"] == 1693094933
assert res.json["milestones"][0]["totalDonated"] == WEB3.toWei(
0.03, 'ether')
assert res.json["milestones"][1]["id"] == 2
assert res.json["milestones"][1]["idProjekt"] == 1
assert res.json["milestones"][1]["goal"] == WEB3.toWei(0.2, 'ether')
assert res.json["milestones"][1]["currentVotes"] == 12
assert res.json["milestones"][1]["until"] == 1693094933
assert res.json["milestones"][1]["totalDonated"] == WEB3.toWei(
0.02, 'ether')
assert res.json["milestones"][2]["id"] == 3
assert res.json["milestones"][2]["idProjekt"] == 1
assert res.json["milestones"][2]["goal"] == WEB3.toWei(0.3, 'ether')
assert res.json["milestones"][2]["currentVotes"] == 0
assert res.json["milestones"][2]["until"] == 1693094933
assert res.json["milestones"][2]["totalDonated"] == WEB3.toWei(
0.01, 'ether')
assert res.json["milestones"][3]["id"] == 7
assert res.json["milestones"][3]["idProjekt"] == 1
assert res.json["milestones"][3]["goal"] == WEB3.toWei(0.5, 'ether')
assert res.json["milestones"][3]["currentVotes"] == 400
assert res.json["milestones"][3]["until"] == 1693094933
assert res.json["milestones"][3]["totalDonated"] == 0
assert res.json['totalDonated'] == \
res.json["milestones"][0]["totalDonated"] + \
res.json["milestones"][1]["totalDonated"] + \
res.json["milestones"][2]["totalDonated"] + \
res.json["milestones"][3]["totalDonated"]
def project_donate_check(project: Project, user_inst: User, amount: int, vote_enabled: bool) -> Optional[str]:
reg_check = project_donate_register_check(project, user_inst)
if reg_check:
return reg_check
# require(donors[msg.sender].exists); - cant check
if vote_enabled:
if not amount > int(WEB3.toWei(0.01, 'ether')): # require(msg.value >= minDonation);
return "amount too low to vote"
return None
def test_voucher_user_delete(client_w_eth):
headers = {"authToken": TOKEN_1, "id": 3}
res = client_w_eth.delete('/api/vouchers/user', headers=headers)
assert res._status_code == 201
res = client_w_eth.get('/api/vouchers/user?used=0')
assert res._status_code == 200
assert len(res.json) == 2
assert res.json[0]["id"] == 1
assert res.json[0]["userid"] == 1
assert res.json[0]["idvoucher"] == 1
assert res.json[0]["untilTime"] == datetime(2020, 1, 1).timestamp()
assert not res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.01, 'ether')
assert res.json[1]["id"] == 2
assert res.json[1]["userid"] == 2
assert res.json[1]["idvoucher"] == 2
assert res.json[1]["untilTime"] == datetime(2022, 5, 17).timestamp()
assert not res.json[1]["used"]
assert res.json[1]["price"] == WEB3.toWei(0.02, 'ether')
res = client_w_eth.get('/api/vouchers/user?used=1')
assert res._status_code == 200
assert len(res.json) == 2
assert res.json[0]["id"] == 3
assert res.json[0]["userid"] == 6
assert res.json[0]["idvoucher"] == 1
assert res.json[0]["untilTime"] == datetime(2022, 1, 13).timestamp()
assert res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.01, 'ether')
assert res.json[1]["id"] == 4
assert res.json[1]["userid"] == 7
assert res.json[1]["idvoucher"] == 2
assert res.json[1]["untilTime"] == datetime(2021, 5, 17).timestamp()
assert res.json[1]["used"]
assert res.json[1]["price"] == WEB3.toWei(0.02, 'ether')
def test_donations_post(client_w_eth):
headers = {
"authToken": TOKEN_2,
"idproject": 1,
"amount": int(WEB3.toWei(0.02, 'ether')),
"voteEnabled": 1
}
res = client_w_eth.post('/api/donations', headers=headers)
assert res._status_code == 201
assert len(res.json) == 1
assert res.json["status"] == "Spende wurde verbucht"
res = client_w_eth.get('/api/donations?iduser=7')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 5
assert res.json[0]["amount"] == int(WEB3.toWei(0.02, 'ether'))
assert res.json[0]["userid"] == 7
assert res.json[0]["milestoneid"] == 1
def test_voucher_institution_get_available(client):
res = client.get('/api/vouchers/institution?available=1')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 2
assert res.json[0]["amount"] == 2
assert res.json[0]["institutionid"] == 1
assert res.json[0]["subject"] == "Software für ein Hochschulprojet"
assert res.json[0]["title"] == "Software"
assert res.json[0]["validTime"] == 2 * 31536000
assert res.json[0]["available"]
assert res.json[0]["price"] == WEB3.toWei(0.02, 'ether')
def test_projects_patch_wo_params(client):
headers = {"authToken": TOKEN_1}
res = client.patch('/api/projects/1', headers=headers)
assert res._status_code == 201
assert res.json["status"] == "ok"
res = client.get('/api/projects/1')
assert res._status_code == 200
assert res.json["id"] == 1
assert res.json["idinstitution"] == 1
assert res.json["name"] == "Computer malt Bild"
assert res.json["webpage"] == "http://www.cmb.de"
assert len(res.json["milestones"]) == 4
assert res.json["milestones"][0]["id"] == 1
assert res.json["milestones"][0]["idProjekt"] == 1
assert res.json["milestones"][0]["goal"] == WEB3.toWei(0.1, 'ether')
assert res.json["milestones"][0]["currentVotes"] == 112
assert res.json["milestones"][0]["until"] == 1693094933
assert res.json["milestones"][1]["id"] == 2
assert res.json["milestones"][1]["idProjekt"] == 1
assert res.json["milestones"][1]["goal"] == WEB3.toWei(0.2, 'ether')
assert res.json["milestones"][1]["currentVotes"] == 12
assert res.json["milestones"][1]["until"] == 1693094933
assert res.json["milestones"][2]["id"] == 3
assert res.json["milestones"][2]["idProjekt"] == 1
assert res.json["milestones"][2]["goal"] == WEB3.toWei(0.3, 'ether')
assert res.json["milestones"][2]["currentVotes"] == 0
assert res.json["milestones"][2]["until"] == 1693094933
assert res.json["milestones"][3]["id"] == 7
assert res.json["milestones"][3]["idProjekt"] == 1
assert res.json["milestones"][3]["goal"] == WEB3.toWei(0.5, 'ether')
assert res.json["milestones"][3]["currentVotes"] == 400
assert res.json["milestones"][3]["until"] == 1693094933
def test_voucher_institution_get_available2(client):
res = client.get('/api/vouchers/institution?available=0')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 1
assert res.json[0]["amount"] == 2
assert res.json[0]["institutionid"] == 1
assert res.json[0][
"subject"] == "Der Computer malt ein täuschend echtes Bild für sie"
assert res.json[0]["title"] == "Von Computer gemaltes Bild"
assert res.json[0]["validTime"] == 2 * 31536000
assert not res.json[0]["available"]
assert res.json[0]["price"] == WEB3.toWei(0.01, 'ether')
def test_voucher_user_delete_bad_user(client):
headers = {"authToken": TOKEN_2, "id": 2}
res = client.delete('/api/vouchers/user', headers=headers)
assert res._status_code == 404
res = client.get('/api/vouchers/user?used=1')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 4
assert res.json[0]["userid"] == 7
assert res.json[0]["idvoucher"] == 2
assert res.json[0]["untilTime"] == datetime(2021, 5, 17).timestamp()
assert res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.02, 'ether')
def test_voucher_user_post(client_w_eth):
headers = {"authToken": TOKEN_2, "idVoucher": 2}
res = client_w_eth.post('/api/vouchers/user', headers=headers)
assert res._status_code == 200
res = client_w_eth.get('/api/vouchers/user?idUser=7')
assert res._status_code == 200
assert len(res.json) == 2
assert res.json[0]["id"] == 4
assert res.json[0]["userid"] == 7
assert res.json[0]["idvoucher"] == 2
assert res.json[0]["untilTime"] == datetime(2021, 5, 17).timestamp()
assert res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.02, 'ether')
assert res.json[1]["id"] == 5
assert res.json[1]["userid"] == 7
assert res.json[1]["idvoucher"] == 2
assert abs(
int(res.json[1]["untilTime"]) -
int((datetime.now() + timedelta(0, 2 * 31536000)).timestamp())) <= 3
assert not res.json[1]["used"]
assert res.json[1]["price"] == WEB3.toWei(0.02, 'ether')
def test_voucher_user_post2(client_w_eth):
headers = {"authToken": TOKEN_2, "idVoucher": 1}
res = client_w_eth.post('/api/vouchers/user', headers=headers)
assert res._status_code == 406
res = client_w_eth.get('/api/vouchers/user?idUser=7')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 4
assert res.json[0]["userid"] == 7
assert res.json[0]["idvoucher"] == 2
assert res.json[0]["untilTime"] == datetime(2021, 5, 17).timestamp()
assert res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.02, 'ether')
def test_voucher_user_post_bad_voucherid(client_w_eth):
headers = {"authToken": TOKEN_1, "idVoucher": 1337}
res = client_w_eth.post('/api/vouchers/user', headers=headers)
assert res._status_code == 404
res = client_w_eth.get('/api/vouchers/user?idUser=6')
assert res._status_code == 200
assert len(res.json) == 1
assert res.json[0]["id"] == 3
assert res.json[0]["userid"] == 6
assert res.json[0]["idvoucher"] == 1
assert res.json[0]["untilTime"] == datetime(2022, 1, 13).timestamp()
assert not res.json[0]["used"]
assert res.json[0]["price"] == WEB3.toWei(0.01, 'ether')
def project_constructor(owner: User, description: str, goal: int):
projects_sc = WEB3.eth.contract(abi=PROJECT_JSON["abi"], bytecode=PROJECT_JSON["bytecode"])
description_bytes = WEB3.toBytes(text=str(description))
# constructor(_owner, _admin, _partial_payment, _projectTargetName, _projectTargetAmount, _minDonation)
ctor = projects_sc.constructor(owner.publickeyUser, WEB3.eth.defaultAccount,
80,
description_bytes,
goal,
int(WEB3.toWei(0.01, 'ether')))
tx_hash = ctor.buildTransaction({'nonce': WEB3.eth.getTransactionCount(owner.publickeyUser),
'from': owner.publickeyUser})
signed_tx = WEB3.eth.account.sign_transaction(tx_hash, private_key=owner.privatekeyUser)
tx_hash = WEB3.eth.sendRawTransaction(signed_tx.rawTransaction)
tx_receipt = WEB3.eth.waitForTransactionReceipt(tx_hash)
if tx_receipt.status != 1:
raise RuntimeError("SC Call failed!")
return tx_receipt.contractAddress
def test_projects_patch_w_milestones(client_w_eth):
milestones = [
{
"name": "goal_1",
"goal": WEB3.toWei(0.6, 'ether'),
"until": 1693094933
},
{
"name": "goal_2",
"goal": WEB3.toWei(0.7, 'ether'),
"until": 1693094933
},
]
headers = {
"authToken": TOKEN_1,
"milestones": json.dumps(milestones),
"idInstitution": 4
}
res = client_w_eth.patch('/api/projects/1', headers=headers)
assert res._status_code == 201
assert res.json["status"] == "ok"
res = client_w_eth.get('/api/projects/1')
assert res._status_code == 200
assert res.json["id"] == 1
assert res.json["idinstitution"] == 1
assert res.json["name"] == "Computer malt Bild"
assert res.json["webpage"] == "http://www.cmb.de"
assert len(res.json["milestones"]) == 6
assert res.json["milestones"][0]["id"] == 1
assert res.json["milestones"][0]["idProjekt"] == 1
assert res.json["milestones"][0]["goal"] == WEB3.toWei(0.1, 'ether')
assert res.json["milestones"][0]["currentVotes"] == 112
assert res.json["milestones"][0]["until"] == 1693094933
assert res.json["milestones"][1]["id"] == 2
assert res.json["milestones"][1]["idProjekt"] == 1
assert res.json["milestones"][1]["goal"] == WEB3.toWei(0.2, 'ether')
assert res.json["milestones"][1]["currentVotes"] == 12
assert res.json["milestones"][1]["until"] == 1693094933
assert res.json["milestones"][2]["id"] == 3
assert res.json["milestones"][2]["idProjekt"] == 1
assert res.json["milestones"][2]["goal"] == WEB3.toWei(0.3, 'ether')
assert res.json["milestones"][2]["currentVotes"] == 0
assert res.json["milestones"][2]["until"] == 1693094933
assert res.json["milestones"][3]["id"] == 7
assert res.json["milestones"][3]["idProjekt"] == 1
assert res.json["milestones"][3]["goal"] == WEB3.toWei(0.5, 'ether')
assert res.json["milestones"][3]["currentVotes"] == 400
assert res.json["milestones"][3]["until"] == 1693094933
assert res.json["milestones"][4]["id"] == 8
assert res.json["milestones"][4]["idProjekt"] == res.json["id"]
assert res.json["milestones"][4]["goal"] == milestones[0]["goal"]
assert res.json["milestones"][4]["currentVotes"] == 0
assert res.json["milestones"][4]["until"] == milestones[0]["until"]
assert res.json["milestones"][5]["id"] == 9
assert res.json["milestones"][5]["idProjekt"] == res.json["id"]
assert res.json["milestones"][5]["goal"] == milestones[1]["goal"]
assert res.json["milestones"][5]["currentVotes"] == 0
assert res.json["milestones"][5]["until"] == milestones[1]["until"]
def voucher_post(user):
"""
Handles POST for resource <base>/api/voucher/user .
:return: json data of projects
"""
id_voucher = request.headers.get('idVoucher')
if not id_voucher:
return jsonify({'error': 'missing id'}), 400
try:
check_params_int([id_voucher])
except ValueError:
return jsonify({"error": "bad argument"}), 400
session = DB_SESSION()
try:
voucher = session.query(Voucher).filter(
Voucher.idVoucher == id_voucher).one()
balance = WEB3.eth.getBalance(user.publickeyUser)
if balance < voucher.priceVoucher: # ToDo: gas-cost?
return jsonify({'error': 'not enough balance'}), 406
if not voucher.available:
return jsonify({'error': 'voucher not available'}), 406
association = VoucherUser(
usedVoucher=False,
expires_unixtime=(datetime.now() + timedelta(0, 2 * 31536000)),
voucher=voucher,
user=user)
inst: Institution = session.query(Institution).filter(
Institution.idInstitution == voucher.institution_id).one()
transaction = {
'nonce': WEB3.eth.getTransactionCount(user.publickeyUser),
'to': inst.publickeyInstitution,
'value': voucher.priceVoucher,
'gas': 200000,
'gasPrice': WEB3.toWei('50', 'gwei')
}
signed_transaction = WEB3.eth.account.sign_transaction(
transaction, user.privatekeyUser)
WEB3.eth.sendRawTransaction(signed_transaction.rawTransaction)
cfg_parser: configparser.ConfigParser = configparser.ConfigParser()
cfg_parser.read("backend_config.ini")
voucher_sc = WEB3.eth.contract(
address=WEB3.toChecksumAddress(cfg_parser["Voucher"]["ADDRESS"]),
abi=json.loads(cfg_parser["Voucher"]["ABI"]))
transaction = voucher_sc.functions.addVoucher(user.publickeyUser,
WEB3.toBytes(text=voucher.titleVoucher),
666) \
.buildTransaction({'nonce': WEB3.eth.getTransactionCount(user.publickeyUser)})
signed_transaction = WEB3.eth.account.sign_transaction(
transaction, user.privatekeyUser)
WEB3.eth.sendRawTransaction(signed_transaction.rawTransaction)
session.add(voucher)
session.add(association)
session.commit()
except InvalidAddress:
return jsonify({'error': 'given publickey is not valid'}), 400
except NoResultFound:
return jsonify({'error': 'Voucher doesnt exist'}), 404
return jsonify({'status': 'voucher bought'}), 200