epicpost/funding/routes.py

115 lines
4.4 KiB
Python

import uuid
from datetime import datetime
import requests
from flask import request, redirect, render_template, url_for, flash, make_response, send_from_directory, jsonify
from flask_yoloapi import endpoint, parameter
import json
import settings
from funding.factory import app, db, cache
from funding.orm import Address, Slate
import secp256k1
import base58
@app.route('/')
def index():
return redirect(url_for('about'))
@app.route('/about')
def about():
return ""
@app.route('/postSlate', methods=['POST'])
@endpoint.api(
parameter('receivingAddress', type=str, required=True),
parameter('slate', type=str, required=True),
)
def postSlate(receivingAddress, slate):
try:
if receivingAddress is None or slate is None:
return make_response(jsonify({'status': 'failure', 'error': str("missing correct arguments")}))
try:
Address.add(address=receivingAddress)
except Exception as ex:
print(f'{ex}')
try:
Slate.add(slate=slate, receivingAddress=receivingAddress)
except Exception as ex:
print(f'{ex}')
return make_response(jsonify({'status': 'success'}))
except Exception as ex:
print(f'{ex}')
return make_response(jsonify({'status': 'failure', 'error': str(ex)}))
@app.route('/getSlates', methods=['POST'])
@endpoint.api(
parameter('receivingAddress', type=str, required=True),
parameter('signature', type=str, required=True)
)
def getSlates(receivingAddress, signature):
try:
if receivingAddress is None or signature is None:
return make_response(jsonify({'status': 'failure', 'error': str("missing correct arguments")}))
# Deserialize the base-58 address to an internal public key format
# NOTE: This assumes that the network version (which is not part of the key) is exactly 2 bytes
public_key = secp256k1.PublicKey(base58.b58decode_check(receivingAddress)[2:], raw=True)
# Prepare the message bound to the signature: a domain separator and the encoded address
# For some reason, the original client code calls this the "challenge"
message = 'SubscribeRequest_' + receivingAddress
# Deserialize and verify the provided signature against the message and address public key
if not public_key.ecdsa_verify(message.encode(),
public_key.ecdsa_deserialize(bytes(bytearray.fromhex(signature)))):
return make_response(jsonify({'status': 'failure', 'error': str("bad signature")}))
slates = Slate.find_slates(address=receivingAddress)
return make_response(jsonify({'status': 'success', 'slates': slates}))
except Exception as ex:
print(f'{ex}')
return make_response(jsonify({'status': 'failure', 'error': str(ex)}))
@app.route('/deleteSlate', methods=['POST'])
@endpoint.api(
parameter('receivingAddress', type=str, required=True),
parameter('signature', type=str, required=True),
parameter('slate', type=str, required=True)
)
def deleteSlate(receivingAddress, signature, slate):
try:
if receivingAddress is None or signature is None:
return make_response(jsonify({'status': 'failure', 'error': str("missing correct arguments")}))
# Deserialize the base-58 address to an internal public key format
# NOTE: This assumes that the network version (which is not part of the key) is exactly 2 bytes
public_key = secp256k1.PublicKey(base58.b58decode_check(receivingAddress)[2:], raw=True)
# Prepare the message bound to the signature: a domain separator and the encoded address
# For some reason, the original client code calls this the "challenge"
message = 'SubscribeRequest_' + receivingAddress
# Deserialize and verify the provided signature against the message and address public key
if not public_key.ecdsa_verify(message.encode(),
public_key.ecdsa_deserialize(bytes(bytearray.fromhex(signature)))):
return make_response(jsonify({'status': 'failure', 'error': str("bad signature")}))
is_deleted = Slate.delete_slate(address=receivingAddress, slate=slate)
return make_response(jsonify({'status': 'success', 'is_deleted': is_deleted}))
except Exception as ex:
print(f'{ex}')
return make_response(jsonify({'status': 'failure', 'error': str(ex)}))