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# Copyright 2014-2022 Vincent Texier <vit@free.fr>
#
# DuniterPy is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# DuniterPy is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import json
import time
from typing import Any
import jsonschema
from jsonschema import ValidationError
from duniterpy.api.client import Client, WSConnection
from duniterpy.api.ws2p import requests
from duniterpy.constants import G1_TEST_CURRENCY_CODENAME
from duniterpy.helpers.ws2p import generate_ws2p_endpoint, handshake
from duniterpy.key import SigningKey
from duniterpy.tools import get_ws2p_challenge
# CONFIG #######################################
# You can either use a complete defined endpoint : [NAME_OF_THE_API] [DOMAIN] [IPv4] [IPv6] [PORT] [PATH]
# or the simple definition : [NAME_OF_THE_API] [DOMAIN] [PORT] [PATH]
# Here we use the WS2P API (WS2P [UUID] [DOMAIN] [PORT] [PATH])
BMAS_ENDPOINT = "BMAS g1-test.duniter.org 443"
CURRENCY = G1_TEST_CURRENCY_CODENAME
################################################
def send(ws: WSConnection, request: str, request_id: str, schema: dict) -> Any:
"""
Send a WS2P request
:rtype: Any
:param ws: WSConnection instance
:param request: Request string to send
:param request_id: Unique request id
:param schema: Validation schema
"""
# Send request
ws.send_str(request)
# Wait response with request id
response = ws.receive_json()
while "resId" not in response or (
"resId" in response and response["resId"] != request_id
):
response = ws.receive_json()
time.sleep(1)
try:
# Check response format
jsonschema.validate(response, schema)
# If valid display response
except ValidationError:
# If invalid response...
try:
# Check error response format
jsonschema.validate(response, requests.ERROR_RESPONSE_SCHEMA)
# If valid, display error response
except ValidationError as exception:
# If invalid, display exception on response validation
print(exception)
return response
def request_ws2p():
"""
Main code
"""
# dummy credentials
salt = password = "test"
# You can connect with member credentials in case there is not much slots available on the endpoint
#
# # Prompt hidden user entry
# import getpass
# salt = getpass.getpass("Enter your passphrase (salt): ")
#
# # Prompt hidden user entry
# password = getpass.getpass("Enter your password: ")
# Init signing_key instance
signing_key = SigningKey.from_credentials(salt, password)
# Create Client from endpoint string in Duniter format
try:
ws2p_endpoint = generate_ws2p_endpoint(BMAS_ENDPOINT)
except ValueError as e:
print(e)
return
client = Client(ws2p_endpoint)
try:
# Create a Web Socket connection
ws = client.connect_ws()
print("Successfully connected to the web socket endpoint")
# HANDSHAKE #######################################################
try:
handshake(ws, signing_key, CURRENCY)
except ValidationError as exception:
print(exception.message)
print("HANDSHAKE FAILED!")
return
# Send ws2p request
print("Send getCurrent() request")
request_id = get_ws2p_challenge()[:8]
response = send(
ws,
requests.get_current(request_id),
request_id,
requests.BLOCK_RESPONSE_SCHEMA,
)
print("Response: " + json.dumps(response, indent=2))
# Send ws2p request
print("Send getBlock(30000) request")
request_id = get_ws2p_challenge()[:8]
response = send(
ws,
requests.get_block(request_id, 30000),
request_id,
requests.BLOCK_RESPONSE_SCHEMA,
)
print("Response: " + json.dumps(response, indent=2))
# Send ws2p request
print("Send getBlocks(30000, 2) request")
request_id = get_ws2p_challenge()[:8]
response = send(
ws,
requests.get_blocks(request_id, 30000, 2),
request_id,
requests.BLOCKS_RESPONSE_SCHEMA,
)
print("Response: " + json.dumps(response, indent=2))
# Send ws2p request
print("Send getRequirementsPending(3) request")
request_id = get_ws2p_challenge()[:8]
response = send(
ws,
requests.get_requirements_pending(request_id, 3),
request_id,
requests.REQUIREMENTS_RESPONSE_SCHEMA,
)
print("Response: " + json.dumps(response, indent=2))
except jsonschema.ValidationError as e:
print(f"{str(e.__class__.__name__)}:{str(e)}")
if __name__ == "__main__":
request_ws2p()
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