Python Web3.toChecksumAddress方法代碼示例

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def __init__(self,
                 contract_address,
                 contract_abi_string,
                 ethereum_chain_id,
                 http_provider,
                 websocket_provider,
                 gas_price_gwei,
                 gas_limit,
                 contract_owner_private_key):

        super(MintableERC20Processor, self).__init__(contract_address,
                                                     contract_abi_string,
                                                     ethereum_chain_id,
                                                     http_provider,
                                                     websocket_provider,
                                                     gas_price_gwei,
                                                     gas_limit)

        self.master_wallet_private_key = contract_owner_private_key
        self.master_wallet_address = Web3.toChecksumAddress(utils.privtoaddr(self.master_wallet_private_key)) 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def unify_address(address: str) -> str:
        '''
        Returns Ethereum address with checksum.

        Args:
            str: Ethereum address

        Returns:
            str: address with checksum

        Raises:
            AssertionError: if the address length is incorrect

        Example:
            >>> from clove.network import Ethereum
            >>> network = Ethereum()
            >>> network.unify_address('0x999f348959e611f1e9eab2927c21e88e48e6ef45')
            '0x999F348959E611F1E9eab2927c21E88E48e6Ef45'
        '''
        assert len(address) in (40, 42), 'Provided address is not properly formatted.'
        if len(address) == 40:
            address = '0x' + address
        int(address, 16)
        return Web3.toChecksumAddress(address) 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def upload_video(self, video_user, password, video_file, title):
        video_path = MEDIA_ROOT + '/video.mp4'
        with open(video_path, 'wb+') as destination:
            for chunk in video_file.chunks():
                destination.write(chunk)
        ipfs_add = self.ipfs_con.add(video_path)
        ipfs_path = ipfs_add['Hash'].encode('utf-8')
        title = title[:20].encode('utf-8')
        nonce = self.w3.eth.getTransactionCount(Web3.toChecksumAddress(video_user))
        txn = self.SmartContract.functions.upload_video(ipfs_path, title).buildTransaction({
                    'from': video_user,
                    'gas': 200000,
                    'gasPrice': self.w3.toWei('30', 'gwei'),
                    'nonce': nonce
                  })
        txn_hash = self.w3.personal.sendTransaction(txn, password)
        wait_for_transaction_receipt(self.w3, txn_hash) 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def run(self):
        try:
            account = w3.eth.account.privateKeyToAccount('0x'+self.private_key)
        except ValueError:
            QtWidgets.QMessageBox.warning(self, 'Error', 'Private key is invalid.')
            return
        nonce = w3.eth.getTransactionCount(Web3.toChecksumAddress(account.address))
        txn = TwitterOnBlockchain.functions.write_a_tweet(self.tweet.encode('utf-8')).buildTransaction({
                  'from': account.address,
                  'gas': 70000,
                  'gasPrice': w3.toWei('1', 'gwei'),
                  'nonce': nonce
              })
        signed = w3.eth.account.signTransaction(txn, private_key=self.private_key)
        txhash = w3.eth.sendRawTransaction(signed.rawTransaction)
        wait_for_transaction_receipt(w3, txhash)
        self.write_a_tweet.emit() 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def choose_pubaddr(self):
        if len(self.addresses) == 1:
            address = self.addresses[0]['pubAddr']
            address_i = 0
            print('Using {} for this transaction.'.format(address))
        else:
            while True:
                for i in range(0, len(self.addresses)):
                    print('{}\t{}\t{}\t{}'.format(
                        i,
                        self.addresses[i]['pubAddr'],
                        self.addresses[i]['wallet'].ljust(10),
                        self.addresses[i]['desc'])
                    )
                address_i = int(input('Choose your address associated with '
                                      'this transaction: [default: 0] ') or 0)
                if not (0 <= address_i < len(self.addresses)):
                    print('Please choose a number between 0 and {}\n'.format(
                        len(self.addresses) - 1))
                else:
                    address = Web3.toChecksumAddress(
                        self.addresses[address_i]['pubAddr'])
                    break

        return address, address_i 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def get_token_balance(self, account, token_addr):
        """
        Returns the token balance of an account

        :param account: account
        :type account: str
        :param token_addr: token address
        :type token_addr: str
        :return: balance
        :rtype: int
        """
        token_addr = Web3.toChecksumAddress(token_addr)
        contractToken = w3.eth.contract(address=token_addr, abi=self.token_abi)
        account = Web3.toChecksumAddress(account)
        balance = contractToken.call().balanceOf(account)
        return w3.fromWei(balance, 'ether') 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def get_etherdelta_token_balance(self, account, token_addr):
        """
        Returns the token balance in EtherDelta of an account

        :param account: account
        :type account: str
        :param token_addr: token address
        :type token_addr: str
        :return: balance
        :rtype: int
        """
        account = Web3.toChecksumAddress(account)
        balance = 0
        if token_addr:
            balance = self.contractEtherDelta.call().balanceOf(token=token_addr, user=account)
        return w3.fromWei(balance, 'ether') 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def withdraw_token(self, tokenaddress, amount, user_private_key):
        """
        Invokes on-chain withdraw tokens. Only apply for 18 decimal tokens
        :param tokenaddress: withdraw contract address
        :type order: string
        :param amount: withdraw token amount
        :type amount: float
        :param user_private_key: user private key
        :type user_private_key: string
        :return: tx
        :rtype: object
        """

        amount_in_wei = Web3.toWei(amount, 'ether')
        kwargs = {
            'token' : Web3.toChecksumAddress(tokenaddress),
            'amount' : int(Decimal(amount_in_wei)),
        }
        self.__send_transaction(self, "withdrawToken", kwargs, user_private_key) 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def approve_deposit(self, tokenaddress, amount, user_private_key):
        global web3, addressEtherDelta
        maxGas = 250000
        gasPriceWei = 4000000000    # 1 Gwei

        amount_in_wei = Web3.toWei(amount, 'ether')
        kwargs = {
            '_spender' : Web3.toChecksumAddress(addressEtherDelta),
            '_value' : int(Decimal(amount_in_wei)),
        }

        userAccount = w3.eth.account.privateKeyToAccount(user_private_key).address
        # Bail if there's no private key
        if len(user_private_key) != 64: raise ValueError('WARNING: user_private_key must be a hexadecimal string of 64 characters long')
        # Build binary representation of the function call with arguments
        token_contract = w3.eth.contract(address=Web3.toChecksumAddress(tokenaddress), abi=self.token_abi)
        abidata = token_contract.encodeABI("approve", kwargs=kwargs)
        nonce = w3.eth.getTransactionCount(userAccount)
        transaction = { 'to': Web3.toChecksumAddress(tokenaddress), 'from': userAccount, 'gas': maxGas, 'gasPrice': gasPriceWei, 'data': abidata, 'nonce': nonce, 'chainId': 1}
        print(transaction)
        signed = w3.eth.account.signTransaction(transaction, user_private_key)
        result = w3.eth.sendRawTransaction(w3.toHex(signed.rawTransaction))
        print("Transaction returned: " + str(result))
        print("\nDone! You should see the transaction show up at https://etherscan.io/tx/" + w3.toHex(result))
        return result, nonce 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def hard_cancel_order(self, order: List[Order]) -> str:
        order_tuple: Tuple = convert_order_to_tuple(order)

        # Set gas to 1, so it avoids estimateGas call in Web3, which will revert
        hardCancelOrderData = self._exchange_contract.functions.cancelOrder(
            order_tuple
        ).buildTransaction({ 'gas': 1 })

        data = hardCancelOrderData['data']

        self._current_gas_price = self._wallet.gas_price + 10

        transaction = self._generate_signed_zero_ex_transaction(data, order['makerAddress'], self._chain_id)

        tx_hash = await self._submit_coordinator_transaction(
            transaction,
            Web3.toChecksumAddress(order['makerAddress']),
            transaction['signature'],
            [],
            0
        )

        return tx_hash 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def batch_hard_cancel_orders(self, orders: List[Order]) -> str:
        order_tuples: List[Tuple] = [convert_order_to_tuple(order) for order in orders]

        makerAddress = orders[0]['makerAddress']

        # Set gas to 1, so it avoids estimateGas call in Web3, which will revert
        batchHardCancelOrderData = self._exchange_contract.functions.batchCancelOrders(
            order_tuples
        ).buildTransaction({ 'gas': 1 })

        data = batchHardCancelOrderData['data']

        self._current_gas_price = self._wallet.gas_price + 10

        transaction = self._generate_signed_zero_ex_transaction(data, makerAddress, self._chain_id)

        tx_hash = await self._submit_coordinator_transaction(
            transaction,
            Web3.toChecksumAddress(makerAddress),
            transaction['signature'],
            [],
            0
        )

        return tx_hash 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def download_dolomite_token_addresses(token_dict: Dict[str, str]):
    async with aiohttp.ClientSession() as client:
        async with client.get(DOLOMITE_ENDPOINT, timeout=API_CALL_TIMEOUT) as response:
            if response.status == 200:
                try:
                    response = await response.json()
                    tokens = response.get("data")
                    for token in tokens:
                        asset = token["ticker"]
                        if asset not in token_dict:
                            token_dict[asset] = Web3.toChecksumAddress(token["identifier"])
                        elif asset == "LRC":
                            # Other integrations use the wrong address for LRC
                            token_dict[asset] = Web3.toChecksumAddress(token["identifier"])
                except Exception as err:
                    logging.getLogger().error(err) 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def download_bamboo_relay_token_addresses(token_dict: Dict[str, str]):
    page_count = 1
    while True:
        url = f"{BAMBOO_RELAY_ENDPOINT}?perPage=1000&page={page_count}"
        async with aiohttp.ClientSession() as client:
            async with client.get(url, timeout=API_CALL_TIMEOUT) as response:
                page_count += 1
                try:
                    if response.status == 200:
                        markets = await response.json()
                        if len(markets) == 0:
                            break
                        for market in markets:
                            market_id = market.get("id")
                            base, quote = market_id.split("-")
                            if base not in token_dict:
                                token_dict[base] = Web3.toChecksumAddress(market.get("baseTokenAddress"))
                            if quote not in token_dict:
                                token_dict[quote] = Web3.toChecksumAddress(market.get("quoteTokenAddress"))
                    else:
                        raise Exception(f"Call to {url} failed with status {response.status}")
                except Exception as err:
                    logging.getLogger().error(err)
                    break 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def get_token_balance(wallet_address, contract_address):
    cs_contract_address = Web3.toChecksumAddress(contract_address)
    cs_wallet_address = Web3.toChecksumAddress(wallet_address)

    token = ge_w3.eth.contract(address=cs_contract_address, abi=erc20_abi.abi)
    bal = token.functions.balanceOf(cs_wallet_address).call()
    return bal 

# 需要導入模塊: from web3 import Web3 [as 別名]
# 或者: from web3.Web3 import toChecksumAddress [as 別名]
def construct_master_wallet_approval_tasks(self, account_to_approve_encoded_pk, credit_transfer_id):

        private_key = self.decode_private_key(account_to_approve_encoded_pk)

        address = Web3.toChecksumAddress(utils.privtoaddr(private_key))

        gas_required, gas_price = self.estimate_load_ether_gas_and_price()

        return [
            celery_tasks.load_ether.si(address, gas_required, gas_price),
            celery_tasks.create_transaction_response.s(credit_transfer_id),
            celery_tasks.approve_master_for_transfers.si(account_to_approve_encoded_pk, gas_required, gas_price),
            celery_tasks.create_transaction_response.s(credit_transfer_id)
        ]