Exemplo n.º 1
0
def distribute_single(logger: Logger, dbsession: Session, network: str,
                      ethereum_node_url: Union[str, Web3],
                      ethereum_abi_file: Optional[str],
                      ethereum_private_key: Optional[str],
                      ethereum_gas_limit: Optional[int],
                      ethereum_gas_price: Optional[int], token_address: str,
                      ext_id: str, email: str, name: str, to_address: str,
                      amount: Decimal) -> bool:
    """Send out a single transfer.

    :return: True if a new tx for broadcasting was created
    """

    d = DistributionEntry(ext_id, email, name, to_address, amount)

    check_good_private_key(ethereum_private_key)

    abi = get_abi(ethereum_abi_file)

    web3 = create_web3(ethereum_node_url)

    service = EthereumStoredTXService(network, dbsession, web3,
                                      ethereum_private_key, ethereum_gas_price,
                                      ethereum_gas_limit, BroadcastAccount,
                                      PreparedTransaction)

    logger.info(
        "Starting creating distribution transactions for %s token from nonce %s",
        token_address, service.get_next_nonce())

    total = d.amount * 10**18

    available = service.get_raw_token_balance(token_address, abi)
    if total > available:
        raise NotEnoughTokens(
            "Not enough tokens for distribution. Account {} has {} raw token balance, needed {}"
            .format(service.get_or_create_broadcast_account().address,
                    available, total))

    if not service.is_distributed(d.external_id, token_address):
        # Going to tx queue
        raw_amount = int(d.amount * 10**18)
        note = "Distributing tokens, raw amount: {}".format(raw_amount)
        service.distribute_tokens(d.external_id, d.address, raw_amount,
                                  token_address, abi, note)
        logger.info("New broadcast has been created")
        return True
    else:
        logger.error("Already distributed")
        return False
Exemplo n.º 2
0
def distribute_tokens(logger: Logger, dbsession: Session, network: str,
                      ethereum_node_url: Union[str, Web3],
                      ethereum_abi_file: Optional[str],
                      ethereum_private_key: Optional[str],
                      ethereum_gas_limit: Optional[int],
                      ethereum_gas_price: Optional[int], token_address: str,
                      dists: List[DistributionEntry]) -> Tuple[int, int]:
    """Sends tokens to their first owners in primary markets."""

    check_good_private_key(ethereum_private_key)

    abi = get_abi(ethereum_abi_file)

    web3 = create_web3(ethereum_node_url)

    service = EthereumStoredTXService(network, dbsession, web3,
                                      ethereum_private_key, ethereum_gas_price,
                                      ethereum_gas_limit, BroadcastAccount,
                                      PreparedTransaction)

    logger.info(
        "Starting creating distribution transactions for %s token from nonce %s",
        token_address, service.get_next_nonce())

    total = sum([dist.amount * 10**18 for dist in dists])

    available = service.get_raw_token_balance(token_address, abi)
    if total > available:
        raise NotEnoughTokens(
            "Not enough tokens for distribution. Account {} has {} raw token balance, needed {}"
            .format(service.get_or_create_broadcast_account().address,
                    available, total))

    new_distributes = old_distributes = 0

    for d in tqdm(dists):
        if not service.is_distributed(d.external_id, token_address):
            # Going to tx queue
            raw_amount = int(d.amount * 10**18)
            note = "Distributing tokens, raw amount: {}".format(raw_amount)
            service.distribute_tokens(d.external_id, d.address, raw_amount,
                                      token_address, abi, note)
            new_distributes += 1
        else:
            # CSV reimports
            old_distributes += 1

    logger.info("Prepared transactions for broadcasting for network %s",
                network)
    return new_distributes, old_distributes