def from_configuration(node_config,
store,
redeemer=None,
default_token_count=None):
"""
Instantiate the plugin root resource using data from its configuration
section, **storageclient.plugins.privatestorageio-zkapauthz-v1**, in the
Tahoe-LAFS configuration file. See the configuration documentation for
details of the configuration section.
:param _Config node_config: An object representing the overall node
configuration. The plugin configuration can be extracted from this.
This is also used to read and write files in the private storage area
of the node's persistent state location.
:param VoucherStore store: The store to use.
:param IRedeemer redeemer: The voucher redeemer to use. If ``None`` a
sensible one is constructed.
:return IZKAPRoot: The root of the resource hierarchy presented by the
client side of the plugin.
"""
if redeemer is None:
redeemer = get_redeemer(
u"privatestorageio-zkapauthz-v1",
node_config,
None,
None,
)
if default_token_count is None:
default_token_count = NUM_TOKENS
controller = PaymentController(store, redeemer, default_token_count)
root = Resource()
root.store = store
root.controller = controller
root.putChild(
b"voucher",
_VoucherCollection(
store,
controller,
),
)
root.putChild(
b"unblinded-token",
_UnblindedTokenCollection(
store,
controller,
),
)
root.putChild(
b"version",
_ProjectVersion(),
)
return root
