hfc.fabric.peer

Module Contents

Classes

Peer(name=’peer’, endpoint=DEFAULT_PEER_ENDPOINT, tls_ca_cert_file=None, client_key_file=None, client_cert_file=None, opts=None)

A peer node in the network.

Functions

create_peer(endpoint=DEFAULT_PEER_ENDPOINT, tls_cacerts=None, client_key=None, client_cert=None, opts=None)

Factory method to construct a peer instance
hfc.fabric.peer.DEFAULT_PEER_ENDPOINT = localhost:7051
hfc.fabric.peer._logger
class hfc.fabric.peer.Peer(name='peer', endpoint=DEFAULT_PEER_ENDPOINT, tls_ca_cert_file=None, client_key_file=None, client_cert_file=None, opts=None)

Bases: object

A peer node in the network.

It has a specific gRPC channel address.

send_proposal(self, proposal)

Send an endorsement proposal to endorser

Parameters

proposal – The endorsement proposal

Returns

ProposalResponse or exception

Return type

Response/Exception

send_discovery(self, request)

Send an request to discovery server

Parameters

request – a signed request

Returns

QueryResult or exception

Return type

Result/Exception

init_with_bundle(self, info)

Init the peer with given info dict :param info: Dict including all info, e.g., endpoint, grpc option :return: True or False

get_attrs(self)
__str__(self)

Return str(self).

property endpoint(self)

Return the endpoint of the peer.

Returns

endpoint

property name(self)

Get the peer name

Returns

The peer name

Return type

str

join(self, chan)

Join a channel

Parameters

chan – a channel instance

property channels(self)
delivery(self, envelope, scheduler=None, filtered=True)

Send an delivery envelop to event service.

Parameters

  • envelope – The message envelope

  • scheduler – defaults to None

  • filtered (bool) – defaults to True

Returns

orderer_response or exception

set_tls_client_cert_and_key(self, client_key_file=None, client_cert_file=None)

Set tls client’s cert and key for mutual tls

Parameters

  • client_key_file (str) – file path for Private key used for TLS when making client connections, defaults to None

  • client_cert_file (str) – file path for X.509 certificate used for TLS when making client connections, defaults to None

Returns

set success value

Return type

bool

hfc.fabric.peer.create_peer(endpoint=DEFAULT_PEER_ENDPOINT, tls_cacerts=None, client_key=None, client_cert=None, opts=None)

Factory method to construct a peer instance

Parameters

  • endpoint – endpoint, defaults to DEFAULT_PEER_ENDPOINT

  • tls_cacerts – pem, defaults to None

  • client_key – pem, defaults to None

  • client_cert – pem, defaults to None

  • opts (opts) – opts, defaults to None

Returns

a peer instance