def do_transfer(ctx: Context, identifier: str, address: Address, amount: int,
tx_fee: int) -> Optional[str]:
"""
Perform wealth transfer to another account.
:param ctx: click context
:param identifier: str, ledger id to perform transfer operation
:param address: address of the recepient
:param amount: int, amount of wealth to transfer
:param tx_fee: int, fee for transaction
:return: str, transaction digest or None if failed.
"""
click.echo("Starting transfer ...")
wallet = get_wallet_from_context(ctx)
source_address = wallet.addresses[identifier]
_override_ledger_configurations(ctx.agent_config)
balance = int(try_get_balance(ctx.agent_config, wallet, identifier))
total_payable = amount + tx_fee
if total_payable > balance:
raise click.ClickException(
f"Balance is not enough! Available={balance}, required={total_payable}!"
)
tx_nonce = LedgerApis.generate_tx_nonce(identifier, source_address,
address)
transaction = LedgerApis.get_transfer_transaction(identifier,
source_address, address,
amount, tx_fee, tx_nonce)
tx_signed = wallet.sign_transaction(identifier, transaction)
return LedgerApis.send_signed_transaction(identifier, tx_signed)
def _try_get_address(ctx: Context, type_: str):
"""
Try to get address.
:param click_context: click context object.
:param type_: type.
:return: address.
"""
wallet = get_wallet_from_context(ctx)
try:
address = wallet.addresses[type_]
return address
except ValueError as e: # pragma: no cover
raise click.ClickException(str(e))
def _try_generate_wealth(ctx: Context, type_: str, url: Optional[str],
sync: bool) -> None:
"""
Try generate wealth for the provided network identifier.
:param ctx: the click context
:param type_: the network type
:param url: the url
:param sync: whether to sync or not
:return: None
"""
wallet = get_wallet_from_context(ctx)
try:
address = wallet.addresses[type_]
faucet_api_cls = make_faucet_api_cls(type_)
testnet = faucet_api_cls.network_name
click.echo(
"Requesting funds for address {} on test network '{}'".format(
address, testnet))
try_generate_testnet_wealth(type_, address, url, sync)
except ValueError as e: # pragma: no cover
raise click.ClickException(str(e))
def test_get_wallet_from_ctx(self):
"""Test get_wallet_from_context."""
ctx = mock.Mock()
with cd(self._get_cwd()):
assert isinstance(get_wallet_from_context(ctx), Wallet)
def _try_get_wealth(ctx: Context, type_: str) -> int:
wallet = get_wallet_from_context(ctx)
_override_ledger_configurations(ctx.agent_config)
return try_get_balance(ctx.agent_config, wallet, type_)