class TEMP(object):
    def __init__(self):
        max_deploy_gas = 0


# Initialize web3 object
web3 = Web3(HTTPProvider('http://localhost:8545')) #Ganache default host + port

# Path for Solidity source files
contract_dir = os.path.abspath('./contracts')

# Initialize interface
interface = ContractInterface(web3, 'TEST', contract_dir)

# Compile contracts & deploy
interface.compile_source_files()
interface.deploy_contract()

# Estimate gas usage. Can be used to deploy if it's below X value
# TODO What class is this in?
deployment_estimate = deployment.constructor().estimateGas(transaction = deployment_params)
if deployment_estimate < self.max_deploy_gas:
    tx_hash = deployment.constructor().transact(transaction = deployment_params)


tx_receipt = self.web3.eth.waitForTransactionReceipt(tx_hash)
contract_address = tx_receipt['contractAddress']

vars = {
    'contract_address': contract_address,
    'contract_abi': deployment_compiled['abi']
示例#2
0
class TestInterface(unittest.TestCase):
    def setUp(self):

        # Set blockcahin provider
        self.w3 = Web3(HTTPProvider('http://10.10.10.61:7545'))

        self.contract_dir = os.path.abspath('./contracts/')

        self.greeter_interface = ContractInterface(self.w3, 'Greeter',
                                                   self.contract_dir)

    def test_1_init(self):

        self.assertEqual(self.greeter_interface.web3.eth.defaultAccount,
                         self.w3.eth.accounts[0],
                         'Default account not set correctly')

    def test_2_compile(self):

        self.greeter_interface.compile_source_files()

        self.assertEqual(len(self.greeter_interface.all_compiled_contracts), 3)

    def test_3_deploy(self):

        self.greeter_interface.deploy_contract()

        self.assertTrue(
            os.path.isfile(self.greeter_interface.deployment_vars_path))

    def test_4_get_instance(self):

        self.greeter_interface.get_instance()

        self.assertEqual(self.greeter_interface.contract_instance.address,
                         self.greeter_interface.contract_address)

    def test_5_change_greeting(self):

        event = 'GreetingChange'
        new_greeting = 'Hola'.encode('utf-8')

        expected_logs = {
            'changer': self.w3.eth.accounts[0],
            '_from': 'Hello',
            '_to': new_greeting,
            'event': event
        }

        self.greeter_interface.get_instance()
        receipt, indexed_events = self.greeter_interface.send('setGreeting',
                                                              new_greeting,
                                                              event=event)

        self.assertTrue(receipt['blockNumber'] > 0)

        self.assertEqual(
            indexed_events['changer'], expected_logs['changer'],
            "Logging output for {} inconsistent".format('changer'))
        self.assertEqual(indexed_events['_from'], expected_logs['_from'],
                         "Logging output for {} inconsistent".format('_from'))
        self.assertEqual(
            indexed_events['changer'], expected_logs['changer'],
            "Logging output for {} inconsistent".format('changer'))

    def test_6_call_greeting(self):

        expected_greeting = 'Hola'
        # Although the test suite starts with a clean state, the test above
        # changes the contract's greeting on the blockchain, which is what
        # is fetched.

        self.greeter_interface.get_instance()
        actual_greeting = self.greeter_interface.retrieve('greeting')

        self.assertEqual(expected_greeting, actual_greeting,
                         'Unexpected greeting returned')
def deploy_contracts():
    contract_dir = PATH + "/contracts"
    deploy_dir = PATH + "/deployment_vars"

    print("deploy_dir", deploy_dir)
    # setup fake stablecoin
    path = PATH + "/contracts/TestContracts.sol:FakeUSD"
    StableCoin = ContractInterface(
        w3, path, contract_dir, deployment_vars_path=deploy_dir
    )
    StableCoin.compile_source_files()
    StableCoin.deploy_contract(path)

    # setup price feed
    path = PATH + "/contracts/TestContracts.sol:FakePriceProvider"
    PriceProvider = ContractInterface(w3, path, contract_dir)
    PriceProvider.compile_source_files()
    PriceProvider.deploy_contract(path, [20000000000])

    # setup exchange
    path = PATH + "/contracts/TestContracts.sol:FakeExchange"
    Exchange = ContractInterface(w3, path, contract_dir)
    Exchange.compile_source_files()
    Exchange.deploy_contract(
        path,
        [PriceProvider.vars["contract_address"], StableCoin.vars["contract_address"]],
    )

    # setup CallOptions
    path = PATH + "/contracts/HegicCallOptions.sol:HegicCallOptions"
    HegicCallOptions = ContractInterface(w3, path, contract_dir)
    HegicCallOptions.compile_source_files()
    HegicCallOptions.deploy_contract(path, [PriceProvider.vars["contract_address"]])

    # setup PutOptions
    path = PATH + "/contracts/HegicPutOptions.sol:HegicPutOptions"
    HegicPutOptions = ContractInterface(w3, path, contract_dir)
    HegicPutOptions.compile_source_files()
    HegicPutOptions.deploy_contract(
        path,
        [
            StableCoin.vars["contract_address"],
            PriceProvider.vars["contract_address"],
            Exchange.vars["contract_address"],
        ],
    )

    # setupERCPool
    path = PATH + "/contracts/HegicERCPool.sol:HegicERCPool"
    HegicERCPool = ContractInterface(w3, path, contract_dir)
    HegicERCPool.compile_source_files()
    HegicERCPool.deploy_contract(path, [StableCoin.vars["contract_address"]])

    # setupETHPool
    path = PATH + "/contracts/HegicETHPool.sol:HegicETHPool"
    HegicETHPool = ContractInterface(w3, path, contract_dir)
    HegicETHPool.compile_source_files()
    HegicETHPool.deploy_contract(path, [StableCoin.vars["contract_address"]])

    print("All Deployed!")
    return {
        "StableCoin": StableCoin,
        "PriceFeed": PriceProvider,
        "Exchange": Exchange,
        "HegicCallOptions": HegicCallOptions,
        "HegicPutOptions": HegicPutOptions,
        "HegicERCPool": HegicERCPool,
        "HegicETHPool": HegicETHPool,
    }
示例#4
0
import serial
from web3 import Web3, HTTPProvider
from interface import ContractInterface

# Initialize your web3 object
w3 = Web3(HTTPProvider('http://127.0.0.1:8545'))
ser = serial.Serial('/dev/ttyUSB1', 115200)
ser.flushInput()

print("from:", w3.eth.accounts[0])
# Create a path object to your Solidity source files
contract_dir = os.path.abspath('./contracts/')
greeter_interface = ContractInterface(w3, 'Greeter', contract_dir)

# Initialize your interface
greeter_interface.compile_source_files()
greeter_interface.deploy_contract()
instance = greeter_interface.get_instance()


def strToHex32(zBytes):

    len1 = len(zBytes)
    if len1 > 32:
        zBytes32 = zBytes[:32]
    else:
        zBytes32 = zBytes.ljust(32, '0')
    return bytes(zBytes32, 'utf-8')


while True:
# -*- coding: utf-8 -*-
"""
Created on Sun Mar  1 17:06:31 2020

@author: peter
"""

import os
from web3 import Web3, HTTPProvider
from interface import ContractInterface

w3 = Web3(HTTPProvider("http://127.0.0.1:8545"))

contractDir = os.path.abspath("./contracts/")

soapBoxInterface = ContractInterface(w3, "SoapBox", contractDir)

soapBoxInterface.compile_source_files()

soapBoxInterface.deploy_contract()

instance = soapBoxInterface.get_instance()
print("before we pay:",
      instance.functions.isApproved(w3.eth.accounts[0]).call())
instance.functions.pay().transact({'value': w3.toWei(0.03, 'ether')})
print("after we pay:",
      instance.functions.isApproved(w3.eth.accounts[0]).call())
instance.functions.broadcastOpinion(
    'You can never be overdressed or overeducated.').transact()
print(instance.functions.getCurrentOpinion().call())