def test_deposit(w3, ether_token):
user = w3.eth.accounts[2]
user_bal = call(ether_token.balance_of(user))
assert user_bal == 0
# in normal use cases the user's account would be set, but here we'll just send it
transact(ether_token.deposit(Web3.toWei(1, 'gwei'), {'from': user}))
new_user_bal = call(ether_token.balance_of(user))
assert new_user_bal == Web3.toWei(1, 'gwei')
def test_increase_allowance(w3, ether_token):
spender = w3.eth.accounts[1]
old_allowed = call(
ether_token.allowance(ether_token.account, w3.eth.accounts[1]))
transact(ether_token.increase_allowance(spender, Web3.toWei(1, 'kwei')))
new_allowed = call(
ether_token.allowance(ether_token.account, w3.eth.accounts[1]))
assert new_allowed == old_allowed + Web3.toWei(1, 'kwei')
def test_withdraw(w3, ether_token, market_token, reserve, listing):
# Set market token privileges before this test
priv = call(market_token.has_privilege(reserve.address))
# It's possible the privilege may have been set already
if priv == False:
tx = transact(
market_token.set_privileged(reserve.address, listing.address))
# wait for this to be mined
rct = w3.eth.waitForTransactionReceipt(tx)
# Check mining succeeded
assert rct['status'] == 1
priv = call(market_token.has_privilege(reserve.address))
assert priv == True
# Use a new user
user = w3.eth.accounts[3]
tx = transact(ether_token.deposit(Web3.toWei(1, 'ether'), {'from': user}))
rct = w3.eth.waitForTransactionReceipt(tx)
new_user_bal = call(ether_token.balance_of(user))
assert new_user_bal == Web3.toWei(1, 'ether')
# Approve the spend
tx = transact(
ether_token.approve(reserve.address,
Web3.toWei(1, 'ether'),
opts={'from': user}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
# Call support
tx = transact(
reserve.support(new_user_bal, opts={
'gas': 1000000,
'from': user
}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
cmt_user_bal = call(market_token.balance_of(user))
# This is around one milliether, but not quite due to spread
assert cmt_user_bal > 0
# Call withdraw
tx = transact(reserve.withdraw(opts={'gas': 1000000, 'from': user}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
cmt_user_bal = call(market_token.balance_of(user))
# This should be 0
assert cmt_user_bal == 0
cet_user_bal = call(ether_token.balance_of(user))
# Should be a little under 1 eth
assert cet_user_bal > 0
def test_transfer_from(w3, ether_token):
user = w3.eth.accounts[2]
user_bal = call(ether_token.balance_of(user))
owner_bal = call(ether_token.balance_of(ether_token.account))
amt = Web3.toWei(1, 'mwei')
# this user needs to approve the 'spender' (the owner in this test case)
transact(ether_token.approve(ether_token.account, amt, {'from': user}))
# with the allowance, that acct may transfer.
transact(ether_token.transfer_from(user, ether_token.account, amt))
new_user_bal = call(ether_token.balance_of(user))
new_owner_bal = call(ether_token.balance_of(ether_token.account))
assert new_user_bal == user_bal - amt
assert new_owner_bal == owner_bal + amt
# should have 'zeroed' the allowance
allowed = call(ether_token.allowance(user, ether_token.account))
def market_token(w3, market_token_pre, reserve, listing):
"""
set the privileged for maket_token
"""
tx_hash = transact(market_token_pre.set_privileged(reserve.address, listing.address))
tx_rcpt = w3.eth.waitForTransactionReceipt(tx_hash)
return market_token_pre
def test_withdraw(w3, ether_token):
user = w3.eth.accounts[2]
user_bal = call(ether_token.balance_of(user))
tx = transact(ether_token.withdraw(user_bal, {'from': user}))
new_user_bal = call(ether_token.balance_of(user))
assert new_user_bal == 0
rct = w3.eth.getTransactionReceipt(tx)
logs = ether_token.deployed.events.Withdrawn().processReceipt(rct)
assert logs[0]['args']['to'] == user
assert logs[0]['args']['amount'] == user_bal
def test_transfer(w3, ether_token):
user = w3.eth.accounts[3]
other = w3.eth.accounts[4]
user_bal = call(ether_token.balance_of(user))
other_bal = call(ether_token.balance_of(other))
assert user_bal == 0
assert other_bal == 0
# Let's deposit 1 ether token in user's account
transact(ether_token.deposit(Web3.toWei(1, 'gwei'), {'from': user}))
# Let's send this to other
tx = transact(
ether_token.transfer(other, Web3.toWei(1, 'gwei'), {'from': user}))
new_user_bal = call(ether_token.balance_of(user))
new_other_bal = call(ether_token.balance_of(other))
assert new_user_bal == 0
assert new_other_bal == Web3.toWei(1, 'gwei')
# event published...
rct = w3.eth.getTransactionReceipt(tx)
logs = ether_token.deployed.events.Transfer().processReceipt(rct)
assert logs[0]['args']['amount'] == Web3.toWei(1, 'gwei')
def test_approve_and_allowance(w3, ether_token):
# exact gas amounts are known
gas = ether_token.get_gas('approve')
assert gas == 37763 + GAS_BUFFER # looked up manually in the abi
spender = w3.eth.accounts[1]
# passing empty opts assures all defaults are used
tx = transact(ether_token.approve(spender, Web3.toWei(1, 'gwei')))
allowed = call(
ether_token.allowance(ether_token.account, w3.eth.accounts[1]))
assert allowed == Web3.toWei(1, 'gwei')
# check the event
rct = w3.eth.getTransactionReceipt(tx)
logs = ether_token.deployed.events.Approval().processReceipt(rct)
assert logs[0]['args']['amount'] == Web3.toWei(1, 'gwei')
def test_support(w3, ether_token, market_token, reserve, listing):
# Set market token privileges before this test
priv = call(market_token.has_privilege(reserve.address))
# May have been set previously
if priv == False:
tx = transact(
market_token.set_privileged(reserve.address, listing.address))
# wait for this to be mined
rct = w3.eth.waitForTransactionReceipt(tx)
# Check mining succeeded
assert rct['status'] == 1
priv = call(market_token.has_privilege(reserve.address))
assert priv == True
user = w3.eth.accounts[2]
user_bal = call(ether_token.balance_of(user))
assert user_bal == 0
# Deposit ETH in EtherToken
tx = transact(ether_token.deposit(Web3.toWei(1, 'ether'), {'from': user}))
rct = w3.eth.waitForTransactionReceipt(tx)
new_user_bal = call(ether_token.balance_of(user))
assert new_user_bal == Web3.toWei(1, 'ether')
assert rct['status'] == 1
# Approve the spend
old_allowance = call(ether_token.allowance(user, reserve.address))
assert old_allowance == 0
tx = transact(
ether_token.approve(reserve.address,
Web3.toWei(1, 'ether'),
opts={'from': user}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
new_allowance = call(ether_token.allowance(user, reserve.address))
assert new_allowance == Web3.toWei(1, 'ether')
# Perform pre-checks for support
support_price = call(reserve.get_support_price())
assert new_user_bal >= support_price
assert new_allowance >= new_user_bal
minted = (new_user_bal // support_price) * 10**9
assert minted == 10**6 * Web3.toWei(1, 'gwei')
priv = call(market_token.has_privilege(reserve.address))
assert priv == True
total_supply = call(market_token.total_supply())
assert total_supply == Web3.toWei(2, 'ether')
# Call support
tx = transact(
reserve.support(new_user_bal, opts={
'gas': 1000000,
'from': user
}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
logs = reserve.deployed.events.Supported().processReceipt(rct)
cmt_user_bal = call(market_token.balance_of(user))
assert cmt_user_bal == Web3.toWei(1, 'milliether')
new_supply = call(market_token.total_supply())
assert new_supply == total_supply + cmt_user_bal
def datatrust(w3, datatrust_pre, listing):
tx_hash = transact(datatrust_pre.set_privileged(listing.address))
tx_rcpt = w3.eth.waitForTransactionReceipt(tx_hash)
return datatrust_pre
def voting(w3, voting_pre, parameterizer, reserve, datatrust_pre, listing):
tx_hash = transact(voting_pre.set_privileged(parameterizer.address, datatrust_pre.address, listing.address))
tx_rcpt = w3.eth.waitForTransactionReceipt(tx_hash)
return voting_pre
def test_reparameterize(w3, ether_token, market_token, voting, parameterizer,
reserve):
# Set market token privileges before this test
priv = call(market_token.has_privilege(reserve.address))
assert priv == True
user = w3.eth.accounts[2]
user_bal = call(ether_token.balance_of(user))
assert user_bal == 0
# Deposit ETH in EtherToken
tx = transact(ether_token.deposit(Web3.toWei(10, 'ether'), {'from': user}))
rct = w3.eth.waitForTransactionReceipt(tx)
new_user_bal = call(ether_token.balance_of(user))
assert new_user_bal == Web3.toWei(10, 'ether')
assert rct['status'] == 1
# Approve the spend
old_allowance = call(ether_token.allowance(user, reserve.address))
assert old_allowance == 0
tx = transact(
ether_token.approve(reserve.address,
Web3.toWei(10, 'ether'),
opts={'from': user}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
new_allowance = call(ether_token.allowance(user, reserve.address))
assert new_allowance == Web3.toWei(10, 'ether')
# Perform pre-checks for support
support_price = call(reserve.get_support_price())
assert new_user_bal >= support_price
assert new_allowance >= new_user_bal
minted = (new_user_bal // support_price) * 10**9
assert minted == 10**7 * Web3.toWei(1, 'gwei')
priv = call(market_token.has_privilege(reserve.address))
assert priv == True
total_supply = call(market_token.total_supply())
assert total_supply == Web3.toWei(2, 'ether')
# Call support
tx = transact(
reserve.support(new_user_bal, opts={
'gas': 1000000,
'from': user
}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
logs = reserve.deployed.events.Supported().processReceipt(rct)
cmt_user_bal = call(market_token.balance_of(user))
assert cmt_user_bal == Web3.toWei(10, 'milliether')
new_supply = call(market_token.total_supply())
assert new_supply == total_supply + cmt_user_bal
# Approve the market token allowance
old_mkt_allowance = call(market_token.allowance(user, voting.address))
assert old_mkt_allowance == 0
tx = transact(
market_token.approve(voting.address,
Web3.toWei(10, 'milliether'),
opts={'from': user}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
new_mkt_allowance = call(market_token.allowance(user, voting.address))
assert new_mkt_allowance == Web3.toWei(10, 'milliether')
stake = call(parameterizer.get_stake())
print("stake")
print(stake)
assert stake <= new_mkt_allowance
tx = transact(
parameterizer.reparameterize(PLURALITY,
51,
opts={
'gas': 500000,
'from': user
}))
rct = w3.eth.waitForTransactionReceipt(tx)
assert rct['status'] == 1
logs = parameterizer.deployed.events.ReparamProposed().processReceipt(rct)
hash = call(parameterizer.get_hash(PLURALITY, 51))
# should see an event with the calculated hash for those vals
assert logs[0]['args']['hash'] == hash