def test_lost_cash(prepared_accounts):
'''Use the backup purse (for sender) to use in case the recipient loses his'''
source = prepared_accounts.source
target = prepared_accounts.target
cash.create_mint(prepared_accounts.asset)
c = Cash(10)
c.export(source, nym=target.nym) # export to the target but
# deposit using the backup purse into the source's account
c.deposit(source, nym=source.nym, purse=c.backup_purse)
# cash ends up back where it started, in source account
prepared_accounts.assert_balances(-100, 100, 0)
def test_deposit_wrong_nym(prepared_accounts):
'''Export cash to one nym, try to deposit with another - should fail'''
source = prepared_accounts.source
target = prepared_accounts.target
issuer = prepared_accounts.issuer
cash.create_mint(prepared_accounts.asset)
c = Cash(10)
c.export(source, nym=issuer.nym) # export to the issuer but
with error.expected(ReturnValueError):
c.deposit(target) # try to deposit as the target
# the cash is still taken out of the account
prepared_accounts.assert_balances(-100, 90, 0)
def test_out_of_band(prepared_accounts, amount):
'''Export cash, pass it to other nym, he deposits it'''
source = prepared_accounts.source
target = prepared_accounts.target
cash.create_mint(prepared_accounts.asset)
c = Cash(amount)
shoulderror = lambda amount: amount <= 0 or amount > 100
with error.expected(ReturnValueError if shoulderror(amount) else None):
c.export(source, nym=target.nym)
if not shoulderror(amount):
c.deposit(target)
prepared_accounts.assert_balances(-100, 100 - amount, amount)
else:
prepared_accounts.assert_balances(-100, 100, 0)
