def run():
# Create a private key
_create_fetchai_private_key()
# Ensure the input and output files do not exist initially
if os.path.isfile(INPUT_FILE):
os.remove(INPUT_FILE)
if os.path.isfile(OUTPUT_FILE):
os.remove(OUTPUT_FILE)
# Instantiate the builder and build the AEA
# By default, the default protocol, error skill and stub connection are added
builder = AEABuilder()
builder.set_name("my_aea")
builder.add_private_key(FETCHAI, FETCHAI_PRIVATE_KEY_FILE)
builder.add_ledger_api_config(FETCHAI, {"network": "testnet"})
# Add the echo skill (assuming it is present in the local directory 'packages')
builder.add_skill("./packages/fetchai/skills/echo")
# Create our AEA
my_aea = builder.build()
# Set the AEA running in a different thread
try:
t = Thread(target=my_aea.start)
t.start()
# Wait for everything to start up
time.sleep(4)
# Create a message inside an envelope and get the stub connection to pass it on to the echo skill
message_text = (
"my_aea,other_agent,fetchai/default:0.1.0,\x08\x01*\x07\n\x05hello,"
)
with open(INPUT_FILE, "w") as f:
f.write(message_text)
print("input message: " + message_text)
# Wait for the envelope to get processed
time.sleep(4)
# Read the output envelope generated by the echo skill
with open(OUTPUT_FILE, "r") as f:
print("output message: " + f.readline())
finally:
# Shut down the AEA
my_aea.stop()
t.join()
t = None
def run():
# Create a private key
create_private_key(FetchAICrypto.identifier,
private_key_file=FETCHAI_PRIVATE_KEY_FILE_1)
# Instantiate the builder and build the AEA
# By default, the default protocol, error skill and stub connection are added
builder = AEABuilder()
builder.set_name("my_aea")
builder.add_private_key(FetchAICrypto.identifier,
FETCHAI_PRIVATE_KEY_FILE_1)
builder.add_ledger_api_config(FetchAICrypto.identifier,
{"network": "testnet"})
# Create our AEA
my_aea = builder.build()
# Generate some wealth for the default address
try_generate_testnet_wealth(FetchAICrypto.identifier,
my_aea.identity.address)
# add a simple skill with handler
skill_context = SkillContext(my_aea.context)
skill_config = SkillConfig(name="simple_skill",
author="fetchai",
version="0.1.0")
tx_handler = TransactionHandler(skill_context=skill_context,
name="transaction_handler")
simple_skill = Skill(skill_config,
skill_context,
handlers={tx_handler.name: tx_handler})
my_aea.resources.add_skill(simple_skill)
# create a second identity
create_private_key(FetchAICrypto.identifier,
private_key_file=FETCHAI_PRIVATE_KEY_FILE_2)
counterparty_wallet = Wallet(
{FetchAICrypto.identifier: FETCHAI_PRIVATE_KEY_FILE_2})
counterparty_identity = Identity(
name="counterparty_aea",
addresses=counterparty_wallet.addresses,
default_address_key=FetchAICrypto.identifier,
)
# create tx message for decision maker to process
fetchai_ledger_api = my_aea.context.ledger_apis.apis[
FetchAICrypto.identifier]
tx_nonce = fetchai_ledger_api.generate_tx_nonce(
my_aea.identity.address, counterparty_identity.address)
tx_msg = TransactionMessage(
performative=TransactionMessage.Performative.PROPOSE_FOR_SETTLEMENT,
skill_callback_ids=[skill_config.public_id],
tx_id="transaction0",
tx_sender_addr=my_aea.identity.address,
tx_counterparty_addr=counterparty_identity.address,
tx_amount_by_currency_id={"FET": -1},
tx_sender_fee=1,
tx_counterparty_fee=0,
tx_quantities_by_good_id={},
ledger_id=FetchAICrypto.identifier,
info={"some_info_key": "some_info_value"},
tx_nonce=tx_nonce,
)
my_aea.context.decision_maker_message_queue.put_nowait(tx_msg)
# Set the AEA running in a different thread
try:
logger.info("STARTING AEA NOW!")
t = Thread(target=my_aea.start)
t.start()
# Let it run long enough to interact with the weather station
time.sleep(20)
finally:
# Shut down the AEA
logger.info("STOPPING AEA NOW!")
my_aea.stop()
t.join()
def run():
# Create a private key
create_private_key(FetchAICrypto.identifier)
# Ensure the input and output files do not exist initially
if os.path.isfile(INPUT_FILE):
os.remove(INPUT_FILE)
if os.path.isfile(OUTPUT_FILE):
os.remove(OUTPUT_FILE)
# Instantiate the builder and build the AEA
# By default, the default protocol, error skill and stub connection are added
builder = AEABuilder()
builder.set_name("my_aea")
builder.add_private_key(FetchAICrypto.identifier, FETCHAI_PRIVATE_KEY_FILE)
builder.add_ledger_api_config(FetchAICrypto.identifier,
{"network": "testnet"})
# Add the echo skill (assuming it is present in the local directory 'packages')
builder.add_skill("./packages/fetchai/skills/echo")
# create skill and handler manually
from aea.protocols.base import Message
from aea.protocols.default.message import DefaultMessage
from aea.skills.base import Handler
class DummyHandler(Handler):
"""Dummy handler to handle messages."""
SUPPORTED_PROTOCOL = DefaultMessage.protocol_id
def setup(self) -> None:
"""Noop setup."""
def teardown(self) -> None:
"""Noop teardown."""
def handle(self, message: Message) -> None:
"""Handle incoming message."""
self.context.logger.info("You got a message: {}".format(
str(message)))
config = SkillConfig(name="test_skill", author="fetchai")
skill = Skill(configuration=config)
dummy_handler = DummyHandler(name="dummy_handler",
skill_context=skill.skill_context)
skill.handlers.update({dummy_handler.name: dummy_handler})
builder.add_component_instance(skill)
# Create our AEA
my_aea = builder.build()
# Set the AEA running in a different thread
try:
t = Thread(target=my_aea.start)
t.start()
# Wait for everything to start up
time.sleep(4)
# Create a message inside an envelope and get the stub connection to pass it on to the echo skill
message_text = (
"my_aea,other_agent,fetchai/default:0.3.0,\x08\x01*\x07\n\x05hello,"
)
with open(INPUT_FILE, "w") as f:
f.write(message_text)
print("input message: " + message_text)
# Wait for the envelope to get processed
time.sleep(4)
# Read the output envelope generated by the echo skill
with open(OUTPUT_FILE, "r") as f:
print("output message: " + f.readline())
finally:
# Shut down the AEA
my_aea.stop()
t.join()
t = None
