Beispiel #1
0
def construct_send_basic(wallet, arguments):
    if not wallet:
        print("please open a wallet")
        return False
    if len(arguments) < 3:
        print("Not enough arguments")
        return False

    arguments, from_address = get_from_addr(arguments)
    arguments, priority_fee = get_fee(arguments)
    arguments, user_tx_attributes = get_tx_attr_from_args(arguments)
    arguments, owners = get_owners_from_params(arguments)
    to_send = get_arg(arguments)
    address_to = get_arg(arguments, 1)
    amount = get_arg(arguments, 2)

    assetId = get_asset_id(wallet, to_send)
    if assetId is None:
        print("Asset id not found")
        return False

    scripthash_to = lookup_addr_str(wallet, address_to)
    if scripthash_to is None:
        logger.debug("invalid address")
        return False

    scripthash_from = None
    if from_address is not None:
        scripthash_from = lookup_addr_str(wallet, from_address)
        if scripthash_from is None:
            logger.debug("invalid address")
            return False

    # if this is a token, we will use a different
    # transfer mechanism
    if type(assetId) is NEP5Token:
        return do_token_transfer(assetId, wallet, from_address, address_to, amount_from_string(assetId, amount), tx_attributes=user_tx_attributes)

    f8amount = get_asset_amount(amount, assetId)
    if f8amount is False:
        logger.debug("invalid amount")
        return False
    if float(amount) == 0:
        print("amount cannot be 0")
        return False

    fee = Fixed8.Zero()
    if priority_fee is not None:
        fee = priority_fee
        if fee is False:
            logger.debug("invalid fee")
            return False

    output = TransactionOutput(AssetId=assetId, Value=f8amount, script_hash=scripthash_to)
    contract_tx = ContractTransaction(outputs=[output])
    return [contract_tx, scripthash_from, fee, owners, user_tx_attributes]
Beispiel #2
0
    def custom_background_code(self):
        count = 0
        while True:
            sleep(1)

            count += 1
            if (count % 60) == 0:
                self.logger.info("Block %s / %s",
                                 str(Blockchain.Default().Height),
                                 str(Blockchain.Default().HeaderHeight))
                count = 0

            # already have a transfer that we are waiting to process? then just keep waiting until that transaction comes through
            if self.transfer_tx_processing:
                continue

            # no transfers? then keep waiting
            if not self.transfers_to_process:
                continue

            if self.wallet_needs_recovery:
                self.recover_wallet()
                self.wallet_needs_recovery = False
            else:
                self.wallet_sync()

            transfer = self.transfers_to_process[0]
            self.transfers_to_process = self.transfers_to_process[1:]
            if len(transfer) != 2:
                self.logger.error(
                    'ERROR! transfer must have exactly 2 args. skipping! %s',
                    transfer)
                continue

            to_address = transfer[0]
            if to_address == self.niche_payment_storage_address:
                self.logger.debug('processing payment storage: %s', transfer)
            else:
                self.logger.debug('processing refund: %s', transfer)
            token = get_asset_id(self.wallet, self.nrve_token_symbol)
            print('found token %s', token)
            result = do_token_transfer(token, self.wallet,
                                       self.niche_payment_address, to_address,
                                       transfer[1], False)

            if not result:
                # transaction failed? wallet probably out-of-sync (insufficient funds) so reload it
                self.wallet_needs_recovery = True
                # we need to try to process this transfer again, so add it back in to the list
                self.transfers_to_process = [transfer
                                             ] + self.transfers_to_process
            else:
                # transaction successfully relayed? then let's set the tx Hash that we're waiting for
                self.transfer_tx_processing = result.Hash
Beispiel #3
0
def construct_and_send(prompter, wallet, arguments, prompt_password=True):
    try:
        if not wallet:
            print("please open a wallet")
            return False
        if len(arguments) < 3:
            print("Not enough arguments")
            return False

        arguments, from_address = get_from_addr(arguments)
        arguments, user_tx_attributes = get_tx_attr_from_args(arguments)
        arguments, owners = get_owners_from_params(arguments)
        arguments, priority_fee = get_fee(arguments)
        to_send = get_arg(arguments)
        address_to = get_arg(arguments, 1)
        amount = get_arg(arguments, 2)

        assetId = get_asset_id(wallet, to_send)

        if assetId is None:
            print("Asset id not found")
            return False

        scripthash_to = lookup_addr_str(wallet, address_to)
        if scripthash_to is None:
            print("invalid address")
            return False

        scripthash_from = None

        if from_address is not None:
            scripthash_from = lookup_addr_str(wallet, from_address)

        # if this is a token, we will use a different
        # transfer mechanism
        if type(assetId) is NEP5Token:
            return do_token_transfer(assetId, wallet, from_address, address_to, amount_from_string(assetId, amount), prompt_passwd=prompt_password, tx_attributes=user_tx_attributes)

        f8amount = Fixed8.TryParse(amount, require_positive=True)
        if f8amount is None:
            print("invalid amount format")
            return False

        if type(assetId) is UInt256 and f8amount.value % pow(10, 8 - Blockchain.Default().GetAssetState(assetId.ToBytes()).Precision) != 0:
            print("incorrect amount precision")
            return False

        fee = Fixed8.Zero()
        if priority_fee is not None:
            fee = priority_fee

        print("sending with fee: %s " % fee.ToString())

        output = TransactionOutput(AssetId=assetId, Value=f8amount, script_hash=scripthash_to)
        tx = ContractTransaction(outputs=[output])

        ttx = wallet.MakeTransaction(tx=tx,
                                     change_address=None,
                                     fee=fee,
                                     from_addr=scripthash_from)

        if ttx is None:
            print("insufficient funds")
            return False

        if prompt_password:
            passwd = prompt("[Password]> ", is_password=True)

            if not wallet.ValidatePassword(passwd):
                print("incorrect password")
                return False

        standard_contract = wallet.GetStandardAddress()

        if scripthash_from is not None:
            signer_contract = wallet.GetContract(scripthash_from)
        else:
            signer_contract = wallet.GetContract(standard_contract)

        if not signer_contract.IsMultiSigContract and owners is None:

            data = standard_contract.Data
            tx.Attributes = [TransactionAttribute(usage=TransactionAttributeUsage.Script,
                                                  data=data)]

        # insert any additional user specified tx attributes
        tx.Attributes = tx.Attributes + user_tx_attributes

        if owners:
            owners = list(owners)
            for owner in owners:
                tx.Attributes.append(
                    TransactionAttribute(usage=TransactionAttributeUsage.Script, data=owner))

        context = ContractParametersContext(tx, isMultiSig=signer_contract.IsMultiSigContract)
        wallet.Sign(context)

        if owners:
            owners = list(owners)
            gather_signatures(context, tx, owners)

        if context.Completed:

            tx.scripts = context.GetScripts()

#            print("will send tx: %s " % json.dumps(tx.ToJson(),indent=4))

            relayed = NodeLeader.Instance().Relay(tx)

            if relayed:
                wallet.SaveTransaction(tx)

                print("Relayed Tx: %s " % tx.Hash.ToString())
                return tx
            else:

                print("Could not relay tx %s " % tx.Hash.ToString())

        else:
            print("Transaction initiated, but the signature is incomplete")
            print(json.dumps(context.ToJson(), separators=(',', ':')))
            return False

    except Exception as e:
        print("could not send: %s " % e)
        traceback.print_stack()
        traceback.print_exc()

    return False
Beispiel #4
0
def construct_and_send(prompter, wallet, arguments, prompt_password=True):
    try:
        if not wallet:
            print("please open a wallet")
            return False
        if len(arguments) < 3:
            print("Not enough arguments")
            return False

        arguments, from_address = get_from_addr(arguments)
        arguments, user_tx_attributes = get_tx_attr_from_args(arguments)

        to_send = get_arg(arguments)
        address_to = get_arg(arguments, 1)
        amount = get_arg(arguments, 2)

        assetId = get_asset_id(wallet, to_send)

        if assetId is None:
            print("Asset id not found")
            return False

        scripthash_to = lookup_addr_str(wallet, address_to)
        if scripthash_to is None:
            print("invalid address")
            return False

        scripthash_from = None

        if from_address is not None:
            scripthash_from = lookup_addr_str(wallet, from_address)

        # if this is a token, we will use a different
        # transfer mechanism
        if type(assetId) is NEP5Token:
            return do_token_transfer(assetId, wallet, from_address, address_to, amount_from_string(assetId, amount), prompt_passwd=prompt_password)

        f8amount = Fixed8.TryParse(amount, require_positive=True)
        if f8amount is None:
            print("invalid amount format")
            return False

        if type(assetId) is UInt256 and f8amount.value % pow(10, 8 - Blockchain.Default().GetAssetState(assetId.ToBytes()).Precision) != 0:
            print("incorrect amount precision")
            return False

        fee = Fixed8.Zero()

        output = TransactionOutput(AssetId=assetId, Value=f8amount, script_hash=scripthash_to)
        tx = ContractTransaction(outputs=[output])

        ttx = wallet.MakeTransaction(tx=tx,
                                     change_address=None,
                                     fee=fee,
                                     from_addr=scripthash_from)

        if ttx is None:
            print("insufficient funds")
            return False

        if prompt_password:
            passwd = prompt("[Password]> ", is_password=True)

            if not wallet.ValidatePassword(passwd):
                print("incorrect password")
                return False

        standard_contract = wallet.GetStandardAddress()

        if scripthash_from is not None:
            signer_contract = wallet.GetContract(scripthash_from)
        else:
            signer_contract = wallet.GetContract(standard_contract)

        if not signer_contract.IsMultiSigContract:

            data = standard_contract.Data
            tx.Attributes = [TransactionAttribute(usage=TransactionAttributeUsage.Script,
                                                  data=data)]

        # insert any additional user specified tx attributes
        tx.Attributes = tx.Attributes + user_tx_attributes

        context = ContractParametersContext(tx, isMultiSig=signer_contract.IsMultiSigContract)
        wallet.Sign(context)

        if context.Completed:

            tx.scripts = context.GetScripts()

#            print("will send tx: %s " % json.dumps(tx.ToJson(),indent=4))

            relayed = NodeLeader.Instance().Relay(tx)

            if relayed:
                wallet.SaveTransaction(tx)

                print("Relayed Tx: %s " % tx.Hash.ToString())
                return tx
            else:

                print("Could not relay tx %s " % tx.Hash.ToString())

        else:
            print("Transaction initiated, but the signature is incomplete")
            print(json.dumps(context.ToJson(), separators=(',', ':')))
            return False

    except Exception as e:
        print("could not send: %s " % e)
        traceback.print_stack()
        traceback.print_exc()

    return False