def load():
port = genHa()[1]
ha = HA('0.0.0.0', port)
name = "hello"
wallet = Wallet(name)
wallet.addIdentifier(signer=SimpleSigner(
seed=b'000000000000000000000000Steward1'))
client = Client(name, ha=ha)
with Looper(debug=getConfig().LOOPER_DEBUG) as looper:
looper.add(client)
print('Will send {} reqs in all'.format(numReqs))
requests = sendRandomRequests(wallet, client, numReqs)
start = perf_counter()
for i in range(0, numReqs, numReqs // splits):
print('Will wait for {} now'.format(numReqs // splits))
s = perf_counter()
reqs = requests[i:i + numReqs // splits + 1]
waitForSufficientRepliesForRequests(looper,
client,
requests=reqs,
fVal=2,
customTimeoutPerReq=3)
print('>>> Got replies for {} requests << in {}'.format(
numReqs // splits,
perf_counter() - s))
end = perf_counter()
print('>>>{}<<<'.format(end - start))
exit(0)
def changeHA(looper, config, nodeName, nodeSeed, newNodeHA,
stewardName, stewardsSeed, newClientHA=None):
if not newClientHA:
newClientHA = HA(newNodeHA.host, newNodeHA.port + 1)
# prepare steward wallet
stewardSigner = SimpleSigner(seed=stewardsSeed)
stewardWallet = Wallet(stewardName)
stewardWallet.addIdentifier(signer=stewardSigner)
# prepare client to submit change ha request
_, randomClientPort = genHa()
client = Client(stewardName,
ha=('0.0.0.0', randomClientPort), config=config)
looper.add(client)
timeout = waits.expectedClientToPoolConnectionTimeout(4)
looper.run(eventually(__checkClientConnected, client,
retryWait=1, timeout=timeout))
nodeVerKey = SimpleSigner(seed=nodeSeed).verkey
# send request
req = submitNodeIpChange(client, stewardWallet, nodeName, nodeVerKey,
newNodeHA, newClientHA)
return client, req
def run_node():
cliNodeReg = OrderedDict([('AlphaC', ('127.0.0.1', 8002)),
('BetaC', ('127.0.0.1', 8004)),
('GammaC', ('127.0.0.1', 8006)),
('DeltaC', ('127.0.0.1', 8008))])
with Looper(debug=False) as looper:
# Nodes persist keys when bootstrapping to other nodes and reconnecting
# using an ephemeral temporary directory when proving a concept is a
# nice way to keep things clean.
with SafeTemporaryDirectory() as tmpdir:
clientName = 'Joe'
# this seed is used by the signer to deterministically generate
# a signature verification key that is shared out of band with the
# consensus pool
seed = b'a 32 byte super secret seed.....'
assert len(seed) == 32
signer = SimpleSigner(clientName, seed)
assert signer.verkey == b'cffbb88a142be2f62d1b408818e21a2f' \
b'887c4442ae035a260d4cc2ec28ae24d6'
client_address = ('127.0.0.1', 8000)
client = Client(clientName,
cliNodeReg,
ha=client_address,
signer=signer,
basedirpath=tmpdir)
looper.add(client)
# give the client time to connect
looper.runFor(3)
# a simple message
msg = {'life_answer': 42}
# submit the request to the pool
request, = client.submit_DEPRECATED(msg)
# allow time for the request to be executed
looper.runFor(3)
reply, status = client.getReply(request.reqId)
print('')
print('Reply: {}\n'.format(reply))
print('Status: {}\n'.format(status))
def run_node():
with Looper(debug=False) as looper:
# Nodes persist keys when bootstrapping to other nodes and reconnecting
# using an ephemeral temporary directory when proving a concept is a
# nice way to keep things clean.
config = getConfig()
basedirpath = config.baseDir
cliNodeReg = {k: v[0] for k, v in config.cliNodeReg.items()}
clientName = 'Alice'
# this seed is used by the signer to deterministically generate
# a signature verification key that is shared out of band with the
# consensus pool
seed = b'22222222222222222222222222222222'
assert len(seed) == 32
signer = SimpleSigner(clientName, seed)
client_address = ('0.0.0.0', 9700)
client = Client(clientName,
cliNodeReg,
ha=client_address,
signer=signer,
basedirpath=basedirpath)
looper.add(client)
# give the client time to connect
looper.runFor(3)
# a simple message
msg = {'life_answer': 42}
# submit the request to the pool
request, = client.submit_DEPRECATED(msg)
# allow time for the request to be executed
looper.runFor(3)
reply, status = client.getReply(request.reqId)
print('')
print('Reply: {}\n'.format(reply))
print('Status: {}\n'.format(status))
wallet = Wallet("my_wallet")
"""
Now the wallet needs to have one keypair, so lets add it.
"""
wallet.addIdentifier()
"""
A bi-directional connection is made from the client. This is the ip
address and port for the client's interfact to the nodes.
"""
client_addr = ("127.0.0.1", 8000)
"""
Create a client.
"""
clientName = "my_client_id"
client = Client(name=clientName,
ha=client_addr,
nodeReg=cliNodeReg,
basedirpath=tmpdir)
looper.add(client)
"""
A client signs its requests. By default, a simple yet secure signing
mechanism is created for a client.
"""
idAndKey = wallet.defaultId, wallet.getVerkey()
"""
A client's signature verification key must be bootstrapped out of band
into the consensus pool. For demonstration, we'll add it directly to
each node.
"""
for node in alpha, beta, gamma, delta:
node.clientAuthNr.addIdr(*idAndKey)
"""
