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fastapi

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callebtc
2022-09-13 16:06:40 +03:00
parent 18d955e4f0
commit e18021cb9e
8 changed files with 472 additions and 99 deletions
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10
core/settings.py
View File

@@ -1 +1,11 @@
from environs import Env # type: ignore
env = Env()
env.read_env()
DEBUG = env.bool("DEBUG", default=False)
MINT_HOST = env.str("MINT_HOST", default="127.0.0.1")
MINT_PORT = env.int("MINT_PORT", default=3338)
MAX_ORDER = 64

160
mint/app.py
View File

@@ -1,67 +1,148 @@
import hashlib
from ecc.curve import secp256k1, Point
from flask import Flask, request
import os
from fastapi import FastAPI
from fastapi.routing import APIRouter
from fastapi.params import Depends, Query, Body
import sys
import asyncio
import logging
import uvicorn
from loguru import logger
from mint.ledger import Ledger
from mint.migrations import m001_initial
from lightning import WALLET
import core.settings as settings
from core.base import MintPayload, MintPayloads, SplitPayload
# from .app import create_app
# Ledger pubkey
ledger = Ledger("supersecretprivatekey", "../data/mint")
ledger = Ledger("supersecretprivatekey", "data/mint")
class MyFlaskApp(Flask):
"""
We overload the Flask class so we can run a startup script (migration).
Stupid Flask.
"""
# class MyFlaskApp(Flask):
# """
# We overload the Flask class so we can run a startup script (migration).
# Stupid Flask.
# """
def __init__(self, *args, **kwargs):
async def create_tasks_func():
# def __init__(self, *args, **kwargs):
# async def create_tasks_func():
# await asyncio.wait([m001_initial(ledger.db)])
# await ledger.load_used_proofs()
# error_message, balance = await WALLET.status()
# if error_message:
# print(
# f"The backend for {WALLET.__class__.__name__} isn't working properly: '{error_message}'",
# RuntimeWarning,
# )
# print(f"Lightning balance: {balance} sat")
# print("Mint started.")
# loop = asyncio.get_event_loop()
# loop.run_until_complete(create_tasks_func())
# loop.close()
# return super().__init__(*args, **kwargs)
# def run(self, *args, **options):
# super(MyFlaskApp, self).run(*args, **options)
def startup(app: FastAPI):
@app.on_event("startup")
async def load_ledger():
await asyncio.wait([m001_initial(ledger.db)])
await ledger.load_used_proofs()
error_message, balance = await WALLET.status()
if error_message:
print(
logger.warning(
f"The backend for {WALLET.__class__.__name__} isn't working properly: '{error_message}'",
RuntimeWarning,
)
print(f"Lightning balance: {balance} sat")
logger.info(f"Lightning balance: {balance} sat")
print("Mint started.")
loop = asyncio.get_event_loop()
loop.run_until_complete(create_tasks_func())
loop.close()
return super().__init__(*args, **kwargs)
def run(self, *args, **options):
super(MyFlaskApp, self).run(*args, **options)
logger.info("Mint started.")
app = MyFlaskApp(__name__)
def create_app(config_object="core.settings") -> FastAPI:
def configure_logger() -> None:
class Formatter:
def __init__(self):
self.padding = 0
self.minimal_fmt: str = "<green>{time:YYYY-MM-DD HH:mm:ss.SS}</green> | <level>{level}</level> | <level>{message}</level>\n"
if settings.DEBUG:
self.fmt: str = "<green>{time:YYYY-MM-DD HH:mm:ss.SS}</green> | <level>{level: <4}</level> | <cyan>{name}</cyan>:<cyan>{function}</cyan>:<cyan>{line}</cyan> | <level>{message}</level>\n"
else:
self.fmt: str = self.minimal_fmt
def format(self, record):
function = "{function}".format(**record)
if function == "emit": # uvicorn logs
return self.minimal_fmt
return self.fmt
class InterceptHandler(logging.Handler):
def emit(self, record):
try:
level = logger.level(record.levelname).name
except ValueError:
level = record.levelno
logger.log(level, record.getMessage())
logger.remove()
log_level: str = "INFO"
formatter = Formatter()
logger.add(sys.stderr, level=log_level, format=formatter.format)
logging.getLogger("uvicorn").handlers = [InterceptHandler()]
logging.getLogger("uvicorn.access").handlers = [InterceptHandler()]
configure_logger()
app = FastAPI(
title="Cashu Mint",
description="Ecash wallet and mint.",
license_info={
"name": "MIT License",
"url": "https://raw.githubusercontent.com/callebtc/cashu/main/LICENSE",
},
)
startup(app)
return app
@app.route("/keys")
app = create_app()
@app.get("/")
async def root():
return {"Hello": "world"}
@app.get("/keys")
def keys():
return ledger.get_pubkeys()
@app.route("/mint", methods=["POST"])
async def mint():
payload = request.json
@app.post("/mint")
async def mint(payloads: MintPayloads):
amounts = []
B_s = []
for k, v in payload.items():
for payload in payloads.payloads:
v = payload.dict()
amounts.append(v["amount"])
x = int(v["x"])
y = int(v["y"])
x = int(v["B_"]["x"])
y = int(v["B_"]["y"])
B_ = Point(x, y, secp256k1)
B_s.append(B_)
try:
@@ -71,13 +152,18 @@ async def mint():
return {"error": str(exc)}
@app.route("/split", methods=["POST"])
async def split():
proofs = request.json["proofs"]
amount = request.json["amount"]
output_data = request.json["output_data"]
@app.post("/split")
async def split(payload: SplitPayload):
v = payload.dict()
proofs = v["proofs"]
amount = v["amount"]
output_data = v["output_data"]["payloads"]
try:
fst_promises, snd_promises = await ledger.split(proofs, amount, output_data)
return {"fst": fst_promises, "snd": snd_promises}
except Exception as exc:
return {"error": str(exc)}
# if __name__ == "__main__":
# uvicorn.run(app, host="127.0.0.1", port=5049)

23
mint/ledger.py
View File

@@ -18,9 +18,11 @@ from lightning import WALLET
class Ledger:
def __init__(self, secret_key: str, db: str):
self.master_key = secret_key
self.proofs_used = set()
self.master_key = secret_key
self.keys = self._derive_keys(self.master_key)
self.pub_keys = self._derive_pubkeys(self.keys)
self.db = Database("mint", db)
async def load_used_proofs(self):
@@ -40,6 +42,12 @@ class Ledger:
for i in range(MAX_ORDER)
}
@staticmethod
def _derive_pubkeys(keys):
return {
amt: keys[amt] * secp256k1.G for amt in [2**i for i in range(MAX_ORDER)]
}
async def _generate_promises(self, amounts, B_s):
"""Generates promises that sum to the given amount."""
return [
@@ -75,7 +83,7 @@ class Ledger:
secrets = [p["secret"] for p in proofs]
if len(secrets) != len(list(set(secrets))):
return False
B_xs = [od["B'"]["x"] for od in output_data]
B_xs = [od["B_"]["x"] for od in output_data]
if len(B_xs) != len(list(set(B_xs))):
return False
return True
@@ -134,12 +142,9 @@ class Ledger:
# Public methods
def get_pubkeys(self):
"""Returns public keys for possible amounts."""
return {
amt: self.keys[amt] * secp256k1.G
for amt in [2**i for i in range(MAX_ORDER)]
}
return self.pub_keys
async def mint(self, B_s, amounts, lightning=True):
async def mint(self, B_s, amounts, lightning=False):
"""Mints a promise for coins for B_."""
for amount in amounts:
if amount not in [2**i for i in range(MAX_ORDER)]:
@@ -183,8 +188,8 @@ class Ledger:
outs_fst = amount_split(total - amount)
outs_snd = amount_split(amount)
B_fst = [od["B'"] for od in output_data[: len(outs_fst)]]
B_snd = [od["B'"] for od in output_data[len(outs_fst) :]]
B_fst = [od["B_"] for od in output_data[: len(outs_fst)]]
B_snd = [od["B_"] for od in output_data[len(outs_fst) :]]
prom_fst, prom_snd = await self._generate_promises(
outs_fst, B_fst
), await self._generate_promises(outs_snd, B_snd)

286
poetry.lock generated
View File

@@ -1,3 +1,20 @@
[[package]]
name = "anyio"
version = "3.6.1"
description = "High level compatibility layer for multiple asynchronous event loop implementations"
category = "main"
optional = false
python-versions = ">=3.6.2"
[package.dependencies]
idna = ">=2.8"
sniffio = ">=1.1"
[package.extras]
doc = ["packaging", "sphinx-rtd-theme", "sphinx-autodoc-typehints (>=1.2.0)"]
test = ["coverage[toml] (>=4.5)", "hypothesis (>=4.0)", "pytest (>=7.0)", "pytest-mock (>=3.6.1)", "trustme", "contextlib2", "uvloop (<0.15)", "mock (>=4)", "uvloop (>=0.15)"]
trio = ["trio (>=0.16)"]
[[package]]
name = "asgiref"
version = "3.5.2"
@@ -31,6 +48,28 @@ category = "main"
optional = false
python-versions = ">=3.5"
[[package]]
name = "black"
version = "22.8.0"
description = "The uncompromising code formatter."
category = "dev"
optional = false
python-versions = ">=3.6.2"
[package.dependencies]
click = ">=8.0.0"
mypy-extensions = ">=0.4.3"
pathspec = ">=0.9.0"
platformdirs = ">=2"
tomli = {version = ">=1.1.0", markers = "python_full_version < \"3.11.0a7\""}
typing-extensions = {version = ">=3.10.0.0", markers = "python_version < \"3.10\""}
[package.extras]
colorama = ["colorama (>=0.4.3)"]
d = ["aiohttp (>=3.7.4)"]
jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
uvloop = ["uvloop (>=0.15.2)"]
[[package]]
name = "certifi"
version = "2022.6.15.1"
@@ -103,6 +142,42 @@ url = "https://github.com/lc6chang/ecc-pycrypto.git"
reference = "v1.0.1"
resolved_reference = "eb8b8c19a81a52d9cf705d90a597a78cdaf2b6f6"
[[package]]
name = "environs"
version = "9.5.0"
description = "simplified environment variable parsing"
category = "main"
optional = false
python-versions = ">=3.6"
[package.dependencies]
marshmallow = ">=3.0.0"
python-dotenv = "*"
[package.extras]
dev = ["pytest", "dj-database-url", "dj-email-url", "django-cache-url", "flake8 (==4.0.1)", "flake8-bugbear (==21.9.2)", "mypy (==0.910)", "pre-commit (>=2.4,<3.0)", "tox"]
django = ["dj-database-url", "dj-email-url", "django-cache-url"]
lint = ["flake8 (==4.0.1)", "flake8-bugbear (==21.9.2)", "mypy (==0.910)", "pre-commit (>=2.4,<3.0)"]
tests = ["pytest", "dj-database-url", "dj-email-url", "django-cache-url"]
[[package]]
name = "fastapi"
version = "0.83.0"
description = "FastAPI framework, high performance, easy to learn, fast to code, ready for production"
category = "main"
optional = false
python-versions = ">=3.6.1"
[package.dependencies]
pydantic = ">=1.6.2,<1.7 || >1.7,<1.7.1 || >1.7.1,<1.7.2 || >1.7.2,<1.7.3 || >1.7.3,<1.8 || >1.8,<1.8.1 || >1.8.1,<2.0.0"
starlette = "0.19.1"
[package.extras]
all = ["requests (>=2.24.0,<3.0.0)", "jinja2 (>=2.11.2,<4.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "itsdangerous (>=1.1.0,<3.0.0)", "pyyaml (>=5.3.1,<7.0.0)", "ujson (>=4.0.1,!=4.0.2,!=4.1.0,!=4.2.0,!=4.3.0,!=5.0.0,!=5.1.0,<6.0.0)", "orjson (>=3.2.1,<4.0.0)", "email_validator (>=1.1.1,<2.0.0)", "uvicorn[standard] (>=0.12.0,<0.18.0)"]
dev = ["python-jose[cryptography] (>=3.3.0,<4.0.0)", "passlib[bcrypt] (>=1.7.2,<2.0.0)", "autoflake (>=1.4.0,<2.0.0)", "flake8 (>=3.8.3,<6.0.0)", "uvicorn[standard] (>=0.12.0,<0.18.0)", "pre-commit (>=2.17.0,<3.0.0)"]
doc = ["mkdocs (>=1.1.2,<2.0.0)", "mkdocs-material (>=8.1.4,<9.0.0)", "mdx-include (>=1.4.1,<2.0.0)", "mkdocs-markdownextradata-plugin (>=0.1.7,<0.3.0)", "typer (>=0.4.1,<0.5.0)", "pyyaml (>=5.3.1,<7.0.0)"]
test = ["pytest (>=6.2.4,<7.0.0)", "pytest-cov (>=2.12.0,<4.0.0)", "mypy (==0.910)", "flake8 (>=3.8.3,<6.0.0)", "black (==22.3.0)", "isort (>=5.0.6,<6.0.0)", "requests (>=2.24.0,<3.0.0)", "httpx (>=0.14.0,<0.19.0)", "email_validator (>=1.1.1,<2.0.0)", "sqlalchemy (>=1.3.18,<1.5.0)", "peewee (>=3.13.3,<4.0.0)", "databases[sqlite] (>=0.3.2,<0.6.0)", "orjson (>=3.2.1,<4.0.0)", "ujson (>=4.0.1,!=4.0.2,!=4.1.0,!=4.2.0,!=4.3.0,!=5.0.0,!=5.1.0,<6.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "flask (>=1.1.2,<3.0.0)", "anyio[trio] (>=3.2.1,<4.0.0)", "types-ujson (==4.2.1)", "types-orjson (==3.6.2)", "types-dataclasses (==0.6.5)"]
[[package]]
name = "flask"
version = "2.2.2"
@@ -122,6 +197,14 @@ Werkzeug = ">=2.2.2"
async = ["asgiref (>=3.2)"]
dotenv = ["python-dotenv"]
[[package]]
name = "h11"
version = "0.13.0"
description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
category = "main"
optional = false
python-versions = ">=3.6"
[[package]]
name = "idna"
version = "3.3"
@@ -176,6 +259,21 @@ MarkupSafe = ">=2.0"
[package.extras]
i18n = ["Babel (>=2.7)"]
[[package]]
name = "loguru"
version = "0.6.0"
description = "Python logging made (stupidly) simple"
category = "main"
optional = false
python-versions = ">=3.5"
[package.dependencies]
colorama = {version = ">=0.3.4", markers = "sys_platform == \"win32\""}
win32-setctime = {version = ">=1.0.0", markers = "sys_platform == \"win32\""}
[package.extras]
dev = ["sphinx-rtd-theme (>=0.4.3)", "sphinx-autobuild (>=0.7.1)", "Sphinx (>=4.1.1)", "isort (>=5.1.1)", "black (>=19.10b0)", "pytest-cov (>=2.7.1)", "pytest (>=4.6.2)", "tox (>=3.9.0)", "flake8 (>=3.7.7)", "docutils (==0.16)", "colorama (>=0.3.4)"]
[[package]]
name = "markupsafe"
version = "2.1.1"
@@ -184,6 +282,31 @@ category = "main"
optional = false
python-versions = ">=3.7"
[[package]]
name = "marshmallow"
version = "3.17.1"
description = "A lightweight library for converting complex datatypes to and from native Python datatypes."
category = "main"
optional = false
python-versions = ">=3.7"
[package.dependencies]
packaging = ">=17.0"
[package.extras]
dev = ["pytest", "pytz", "simplejson", "mypy (==0.971)", "flake8 (==5.0.4)", "flake8-bugbear (==22.8.22)", "pre-commit (>=2.4,<3.0)", "tox"]
docs = ["sphinx (==5.1.1)", "sphinx-issues (==3.0.1)", "alabaster (==0.7.12)", "sphinx-version-warning (==1.1.2)", "autodocsumm (==0.2.9)"]
lint = ["mypy (==0.971)", "flake8 (==5.0.4)", "flake8-bugbear (==22.8.22)", "pre-commit (>=2.4,<3.0)"]
tests = ["pytest", "pytz", "simplejson"]
[[package]]
name = "mypy-extensions"
version = "0.4.3"
description = "Experimental type system extensions for programs checked with the mypy typechecker."
category = "dev"
optional = false
python-versions = "*"
[[package]]
name = "outcome"
version = "1.2.0"
@@ -206,6 +329,26 @@ python-versions = ">=3.6"
[package.dependencies]
pyparsing = ">=2.0.2,<3.0.5 || >3.0.5"
[[package]]
name = "pathspec"
version = "0.10.1"
description = "Utility library for gitignore style pattern matching of file paths."
category = "dev"
optional = false
python-versions = ">=3.7"
[[package]]
name = "platformdirs"
version = "2.5.2"
description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
category = "dev"
optional = false
python-versions = ">=3.7"
[package.extras]
docs = ["furo (>=2021.7.5b38)", "proselint (>=0.10.2)", "sphinx-autodoc-typehints (>=1.12)", "sphinx (>=4)"]
test = ["appdirs (==1.4.4)", "pytest-cov (>=2.7)", "pytest-mock (>=3.6)", "pytest (>=6)"]
[[package]]
name = "pluggy"
version = "1.0.0"
@@ -302,6 +445,17 @@ pytest = ">=6.1.0"
[package.extras]
testing = ["coverage (>=6.2)", "hypothesis (>=5.7.1)", "flaky (>=3.5.0)", "mypy (>=0.931)", "pytest-trio (>=0.7.0)"]
[[package]]
name = "python-dotenv"
version = "0.21.0"
description = "Read key-value pairs from a .env file and set them as environment variables"
category = "main"
optional = false
python-versions = ">=3.7"
[package.extras]
cli = ["click (>=5.0)"]
[[package]]
name = "represent"
version = "1.6.0.post0"
@@ -342,6 +496,14 @@ category = "main"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
[[package]]
name = "sniffio"
version = "1.3.0"
description = "Sniff out which async library your code is running under"
category = "main"
optional = false
python-versions = ">=3.7"
[[package]]
name = "sqlalchemy"
version = "1.3.24"
@@ -380,6 +542,21 @@ test = ["pytest (>=5.4)", "pytest-asyncio (>=0.14)", "pytest-trio (>=0.6)"]
test-noextras = ["pytest (>=5.4)", "pytest-asyncio (>=0.14)"]
trio = ["trio (>=0.15)"]
[[package]]
name = "starlette"
version = "0.19.1"
description = "The little ASGI library that shines."
category = "main"
optional = false
python-versions = ">=3.6"
[package.dependencies]
anyio = ">=3.4.0,<5"
typing-extensions = {version = ">=3.10.0", markers = "python_version < \"3.10\""}
[package.extras]
full = ["itsdangerous", "jinja2", "python-multipart", "pyyaml", "requests"]
[[package]]
name = "tomli"
version = "2.0.1"
@@ -409,6 +586,21 @@ brotli = ["brotlicffi (>=0.8.0)", "brotli (>=1.0.9)", "brotlipy (>=0.6.0)"]
secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
[[package]]
name = "uvicorn"
version = "0.18.3"
description = "The lightning-fast ASGI server."
category = "main"
optional = false
python-versions = ">=3.7"
[package.dependencies]
click = ">=7.0"
h11 = ">=0.8"
[package.extras]
standard = ["colorama (>=0.4)", "httptools (>=0.4.0)", "python-dotenv (>=0.13)", "pyyaml (>=5.1)", "uvloop (>=0.14.0,!=0.15.0,!=0.15.1)", "watchfiles (>=0.13)", "websockets (>=10.0)"]
[[package]]
name = "werkzeug"
version = "2.2.2"
@@ -423,6 +615,17 @@ MarkupSafe = ">=2.1.1"
[package.extras]
watchdog = ["watchdog"]
[[package]]
name = "win32-setctime"
version = "1.1.0"
description = "A small Python utility to set file creation time on Windows"
category = "main"
optional = false
python-versions = ">=3.5"
[package.extras]
dev = ["black (>=19.3b0)", "pytest (>=4.6.2)"]
[[package]]
name = "zipp"
version = "3.8.1"
@@ -438,9 +641,13 @@ testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-
[metadata]
lock-version = "1.1"
python-versions = "^3.8"
content-hash = "d2c4df45eea8820487f68d4f8a5509956c1a114a0b65ebd7f707187253612a1a"
content-hash = "ed00e50dd88910eebcd5db652d99e722f77226f4f102e3bdd1032a4b1700dd99"
[metadata.files]
anyio = [
{file = "anyio-3.6.1-py3-none-any.whl", hash = "sha256:cb29b9c70620506a9a8f87a309591713446953302d7d995344d0d7c6c0c9a7be"},
{file = "anyio-3.6.1.tar.gz", hash = "sha256:413adf95f93886e442aea925f3ee43baa5a765a64a0f52c6081894f9992fdd0b"},
]
asgiref = [
{file = "asgiref-3.5.2-py3-none-any.whl", hash = "sha256:1d2880b792ae8757289136f1db2b7b99100ce959b2aa57fd69dab783d05afac4"},
{file = "asgiref-3.5.2.tar.gz", hash = "sha256:4a29362a6acebe09bf1d6640db38c1dc3d9217c68e6f9f6204d72667fc19a424"},
@@ -453,6 +660,31 @@ bech32 = [
{file = "bech32-1.2.0-py3-none-any.whl", hash = "sha256:990dc8e5a5e4feabbdf55207b5315fdd9b73db40be294a19b3752cde9e79d981"},
{file = "bech32-1.2.0.tar.gz", hash = "sha256:7d6db8214603bd7871fcfa6c0826ef68b85b0abd90fa21c285a9c5e21d2bd899"},
]
black = [
{file = "black-22.8.0-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:ce957f1d6b78a8a231b18e0dd2d94a33d2ba738cd88a7fe64f53f659eea49fdd"},
{file = "black-22.8.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:5107ea36b2b61917956d018bd25129baf9ad1125e39324a9b18248d362156a27"},
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{file = "black-22.8.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:3b2c25f8dea5e8444bdc6788a2f543e1fb01494e144480bc17f806178378005e"},
{file = "black-22.8.0-cp37-cp37m-win_amd64.whl", hash = "sha256:78dd85caaab7c3153054756b9fe8c611efa63d9e7aecfa33e533060cb14b6d16"},
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{file = "black-22.8.0-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:5b879eb439094751185d1cfdca43023bc6786bd3c60372462b6f051efa6281a5"},
{file = "black-22.8.0-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:0a12e4e1353819af41df998b02c6742643cfef58282915f781d0e4dd7a200411"},
{file = "black-22.8.0-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:c3a73f66b6d5ba7288cd5d6dad9b4c9b43f4e8a4b789a94bf5abfb878c663eb3"},
{file = "black-22.8.0-cp38-cp38-win_amd64.whl", hash = "sha256:e981e20ec152dfb3e77418fb616077937378b322d7b26aa1ff87717fb18b4875"},
{file = "black-22.8.0-cp39-cp39-macosx_10_9_universal2.whl", hash = "sha256:8ce13ffed7e66dda0da3e0b2eb1bdfc83f5812f66e09aca2b0978593ed636b6c"},
{file = "black-22.8.0-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:32a4b17f644fc288c6ee2bafdf5e3b045f4eff84693ac069d87b1a347d861497"},
{file = "black-22.8.0-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:0ad827325a3a634bae88ae7747db1a395d5ee02cf05d9aa7a9bd77dfb10e940c"},
{file = "black-22.8.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:53198e28a1fb865e9fe97f88220da2e44df6da82b18833b588b1883b16bb5d41"},
{file = "black-22.8.0-cp39-cp39-win_amd64.whl", hash = "sha256:bc4d4123830a2d190e9cc42a2e43570f82ace35c3aeb26a512a2102bce5af7ec"},
{file = "black-22.8.0-py3-none-any.whl", hash = "sha256:d2c21d439b2baf7aa80d6dd4e3659259be64c6f49dfd0f32091063db0e006db4"},
{file = "black-22.8.0.tar.gz", hash = "sha256:792f7eb540ba9a17e8656538701d3eb1afcb134e3b45b71f20b25c77a8db7e6e"},
]
certifi = [
{file = "certifi-2022.6.15.1-py3-none-any.whl", hash = "sha256:43dadad18a7f168740e66944e4fa82c6611848ff9056ad910f8f7a3e46ab89e0"},
{file = "certifi-2022.6.15.1.tar.gz", hash = "sha256:cffdcd380919da6137f76633531a5817e3a9f268575c128249fb637e4f9e73fb"},
@@ -477,10 +709,22 @@ ecc = [
{file = "ecc-0.0.1.zip", hash = "sha256:4bbcd46e9963ca37422d3244ab503af9dce95cbd35f676f7f9a4dd6306e23538"},
]
ecc-pycrypto = []
environs = [
{file = "environs-9.5.0-py2.py3-none-any.whl", hash = "sha256:1e549569a3de49c05f856f40bce86979e7d5ffbbc4398e7f338574c220189124"},
{file = "environs-9.5.0.tar.gz", hash = "sha256:a76307b36fbe856bdca7ee9161e6c466fd7fcffc297109a118c59b54e27e30c9"},
]
fastapi = [
{file = "fastapi-0.83.0-py3-none-any.whl", hash = "sha256:694a2b6c2607a61029a4be1c6613f84d74019cb9f7a41c7a475dca8e715f9368"},
{file = "fastapi-0.83.0.tar.gz", hash = "sha256:96eb692350fe13d7a9843c3c87a874f0d45102975257dd224903efd6c0fde3bd"},
]
flask = [
{file = "Flask-2.2.2-py3-none-any.whl", hash = "sha256:b9c46cc36662a7949f34b52d8ec7bb59c0d74ba08ba6cb9ce9adc1d8676d9526"},
{file = "Flask-2.2.2.tar.gz", hash = "sha256:642c450d19c4ad482f96729bd2a8f6d32554aa1e231f4f6b4e7e5264b16cca2b"},
]
h11 = [
{file = "h11-0.13.0-py3-none-any.whl", hash = "sha256:8ddd78563b633ca55346c8cd41ec0af27d3c79931828beffb46ce70a379e7442"},
{file = "h11-0.13.0.tar.gz", hash = "sha256:70813c1135087a248a4d38cc0e1a0181ffab2188141a93eaf567940c3957ff06"},
]
idna = [
{file = "idna-3.3-py3-none-any.whl", hash = "sha256:84d9dd047ffa80596e0f246e2eab0b391788b0503584e8945f2368256d2735ff"},
{file = "idna-3.3.tar.gz", hash = "sha256:9d643ff0a55b762d5cdb124b8eaa99c66322e2157b69160bc32796e824360e6d"},
@@ -501,6 +745,10 @@ jinja2 = [
{file = "Jinja2-3.0.3-py3-none-any.whl", hash = "sha256:077ce6014f7b40d03b47d1f1ca4b0fc8328a692bd284016f806ed0eaca390ad8"},
{file = "Jinja2-3.0.3.tar.gz", hash = "sha256:611bb273cd68f3b993fabdc4064fc858c5b47a973cb5aa7999ec1ba405c87cd7"},
]
loguru = [
{file = "loguru-0.6.0-py3-none-any.whl", hash = "sha256:4e2414d534a2ab57573365b3e6d0234dfb1d84b68b7f3b948e6fb743860a77c3"},
{file = "loguru-0.6.0.tar.gz", hash = "sha256:066bd06758d0a513e9836fd9c6b5a75bfb3fd36841f4b996bc60b547a309d41c"},
]
markupsafe = [
{file = "MarkupSafe-2.1.1-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:86b1f75c4e7c2ac2ccdaec2b9022845dbb81880ca318bb7a0a01fbf7813e3812"},
{file = "MarkupSafe-2.1.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:f121a1420d4e173a5d96e47e9a0c0dcff965afdf1626d28de1460815f7c4ee7a"},
@@ -543,6 +791,14 @@ markupsafe = [
{file = "MarkupSafe-2.1.1-cp39-cp39-win_amd64.whl", hash = "sha256:46d00d6cfecdde84d40e572d63735ef81423ad31184100411e6e3388d405e247"},
{file = "MarkupSafe-2.1.1.tar.gz", hash = "sha256:7f91197cc9e48f989d12e4e6fbc46495c446636dfc81b9ccf50bb0ec74b91d4b"},
]
marshmallow = [
{file = "marshmallow-3.17.1-py3-none-any.whl", hash = "sha256:1172ce82765bf26c24a3f9299ed6dbeeca4d213f638eaa39a37772656d7ce408"},
{file = "marshmallow-3.17.1.tar.gz", hash = "sha256:48e2d88d4ab431ad5a17c25556d9da529ea6e966876f2a38d274082e270287f0"},
]
mypy-extensions = [
{file = "mypy_extensions-0.4.3-py2.py3-none-any.whl", hash = "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d"},
{file = "mypy_extensions-0.4.3.tar.gz", hash = "sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"},
]
outcome = [
{file = "outcome-1.2.0-py2.py3-none-any.whl", hash = "sha256:c4ab89a56575d6d38a05aa16daeaa333109c1f96167aba8901ab18b6b5e0f7f5"},
{file = "outcome-1.2.0.tar.gz", hash = "sha256:6f82bd3de45da303cf1f771ecafa1633750a358436a8bb60e06a1ceb745d2672"},
@@ -551,6 +807,14 @@ packaging = [
{file = "packaging-21.3-py3-none-any.whl", hash = "sha256:ef103e05f519cdc783ae24ea4e2e0f508a9c99b2d4969652eed6a2e1ea5bd522"},
{file = "packaging-21.3.tar.gz", hash = "sha256:dd47c42927d89ab911e606518907cc2d3a1f38bbd026385970643f9c5b8ecfeb"},
]
pathspec = [
{file = "pathspec-0.10.1-py3-none-any.whl", hash = "sha256:46846318467efc4556ccfd27816e004270a9eeeeb4d062ce5e6fc7a87c573f93"},
{file = "pathspec-0.10.1.tar.gz", hash = "sha256:7ace6161b621d31e7902eb6b5ae148d12cfd23f4a249b9ffb6b9fee12084323d"},
]
platformdirs = [
{file = "platformdirs-2.5.2-py3-none-any.whl", hash = "sha256:027d8e83a2d7de06bbac4e5ef7e023c02b863d7ea5d079477e722bb41ab25788"},
{file = "platformdirs-2.5.2.tar.gz", hash = "sha256:58c8abb07dcb441e6ee4b11d8df0ac856038f944ab98b7be6b27b2a3c7feef19"},
]
pluggy = [
{file = "pluggy-1.0.0-py2.py3-none-any.whl", hash = "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"},
{file = "pluggy-1.0.0.tar.gz", hash = "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159"},
@@ -670,6 +934,10 @@ pytest-asyncio = [
{file = "pytest-asyncio-0.19.0.tar.gz", hash = "sha256:ac4ebf3b6207259750bc32f4c1d8fcd7e79739edbc67ad0c58dd150b1d072fed"},
{file = "pytest_asyncio-0.19.0-py3-none-any.whl", hash = "sha256:7a97e37cfe1ed296e2e84941384bdd37c376453912d397ed39293e0916f521fa"},
]
python-dotenv = [
{file = "python-dotenv-0.21.0.tar.gz", hash = "sha256:b77d08274639e3d34145dfa6c7008e66df0f04b7be7a75fd0d5292c191d79045"},
{file = "python_dotenv-0.21.0-py3-none-any.whl", hash = "sha256:1684eb44636dd462b66c3ee016599815514527ad99965de77f43e0944634a7e5"},
]
represent = [
{file = "Represent-1.6.0.post0-py2.py3-none-any.whl", hash = "sha256:99142650756ef1998ce0661568f54a47dac8c638fb27e3816c02536575dbba8c"},
{file = "Represent-1.6.0.post0.tar.gz", hash = "sha256:026c0de2ee8385d1255b9c2426cd4f03fe9177ac94c09979bc601946c8493aa0"},
@@ -682,6 +950,10 @@ six = [
{file = "six-1.16.0-py2.py3-none-any.whl", hash = "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"},
{file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},
]
sniffio = [
{file = "sniffio-1.3.0-py3-none-any.whl", hash = "sha256:eecefdce1e5bbfb7ad2eeaabf7c1eeb404d7757c379bd1f7e5cce9d8bf425384"},
{file = "sniffio-1.3.0.tar.gz", hash = "sha256:e60305c5e5d314f5389259b7f22aaa33d8f7dee49763119234af3755c55b9101"},
]
sqlalchemy = [
{file = "SQLAlchemy-1.3.24-cp27-cp27m-macosx_10_14_x86_64.whl", hash = "sha256:87a2725ad7d41cd7376373c15fd8bf674e9c33ca56d0b8036add2d634dba372e"},
{file = "SQLAlchemy-1.3.24-cp27-cp27m-win32.whl", hash = "sha256:f597a243b8550a3a0b15122b14e49d8a7e622ba1c9d29776af741f1845478d79"},
@@ -722,6 +994,10 @@ sqlalchemy-aio = [
{file = "sqlalchemy_aio-0.17.0-py3-none-any.whl", hash = "sha256:3f4aa392c38f032d6734826a4138a0f02ed3122d442ed142be1e5964f2a33b60"},
{file = "sqlalchemy_aio-0.17.0.tar.gz", hash = "sha256:f531c7982662d71dfc0b117e77bb2ed544e25cd5361e76cf9f5208edcfb71f7b"},
]
starlette = [
{file = "starlette-0.19.1-py3-none-any.whl", hash = "sha256:5a60c5c2d051f3a8eb546136aa0c9399773a689595e099e0877704d5888279bf"},
{file = "starlette-0.19.1.tar.gz", hash = "sha256:c6d21096774ecb9639acad41b86b7706e52ba3bf1dc13ea4ed9ad593d47e24c7"},
]
tomli = [
{file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
{file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
@@ -734,10 +1010,18 @@ urllib3 = [
{file = "urllib3-1.26.9-py2.py3-none-any.whl", hash = "sha256:44ece4d53fb1706f667c9bd1c648f5469a2ec925fcf3a776667042d645472c14"},
{file = "urllib3-1.26.9.tar.gz", hash = "sha256:aabaf16477806a5e1dd19aa41f8c2b7950dd3c746362d7e3223dbe6de6ac448e"},
]
uvicorn = [
{file = "uvicorn-0.18.3-py3-none-any.whl", hash = "sha256:0abd429ebb41e604ed8d2be6c60530de3408f250e8d2d84967d85ba9e86fe3af"},
{file = "uvicorn-0.18.3.tar.gz", hash = "sha256:9a66e7c42a2a95222f76ec24a4b754c158261c4696e683b9dadc72b590e0311b"},
]
werkzeug = [
{file = "Werkzeug-2.2.2-py3-none-any.whl", hash = "sha256:f979ab81f58d7318e064e99c4506445d60135ac5cd2e177a2de0089bfd4c9bd5"},
{file = "Werkzeug-2.2.2.tar.gz", hash = "sha256:7ea2d48322cc7c0f8b3a215ed73eabd7b5d75d0b50e31ab006286ccff9e00b8f"},
]
win32-setctime = [
{file = "win32_setctime-1.1.0-py3-none-any.whl", hash = "sha256:231db239e959c2fe7eb1d7dc129f11172354f98361c4fa2d6d2d7e278baa8aad"},
{file = "win32_setctime-1.1.0.tar.gz", hash = "sha256:15cf5750465118d6929ae4de4eb46e8edae9a5634350c01ba582df868e932cb2"},
]
zipp = [
{file = "zipp-3.8.1-py3-none-any.whl", hash = "sha256:47c40d7fe183a6f21403a199b3e4192cca5774656965b0a4988ad2f8feb5f009"},
{file = "zipp-3.8.1.tar.gz", hash = "sha256:05b45f1ee8f807d0cc928485ca40a07cb491cf092ff587c0df9cb1fd154848d2"},

5
pyproject.toml
View File

@@ -27,8 +27,13 @@ asgiref = "^3.5.2"
pydantic = "^1.10.2"
bech32 = "^1.2.0"
psycopg2-binary = "^2.9.3"
fastapi = "^0.83.0"
environs = "^9.5.0"
uvicorn = "^0.18.3"
loguru = "^0.6.0"
[tool.poetry.dev-dependencies]
black = {version = "^22.8.0", allow-prereleases = true}
[build-system]
requires = ["poetry-core>=1.0.0"]

2
wallet/crud.py
View File

@@ -3,7 +3,7 @@ from typing import Optional
from core.db import Connection, Database
# from wallet import db
from wallet.models import Proof
from core.base import Proof
async def store_proof(

20
wallet/models.py
View File

@@ -1,20 +0,0 @@
from pydantic import BaseModel
from sqlite3 import Row
class Proof(dict):
amount: int
C_x: int
C_y: int
secret: str
@classmethod
def from_row(cls, row: Row):
return dict(
amount=row[0],
C=dict(
x=int(row[1]),
y=int(row[2]),
),
secret=row[3],
)

57
wallet/wallet.py
View File

@@ -4,7 +4,7 @@ import asyncio
import requests
from ecc.curve import secp256k1, Point
from typing import List
from wallet.models import Proof
from core.base import Proof, BasePoint
import core.b_dhke as b_dhke
from core.db import Database
@@ -12,6 +12,8 @@ from core.split import amount_split
from wallet.crud import store_proof, invalidate_proof, get_proofs
from core.base import MintPayload, MintPayloads, SplitPayload
class LedgerAPI:
def __init__(self, url):
@@ -41,21 +43,14 @@ class LedgerAPI:
for promise, (r, secret) in zip(promises, secrets):
C_ = Point(promise["C'"]["x"], promise["C'"]["y"], secp256k1)
C = b_dhke.step3_bob(C_, r, self.keys[promise["amount"]])
proofs.append(
{
"amount": promise["amount"],
"C": {
"x": C.x,
"y": C.y,
},
"secret": secret,
}
)
c_point = BasePoint(x=C.x, y=C.y)
proof = Proof(amount=promise["amount"], C=c_point, secret=secret)
proofs.append(proof.dict())
return proofs
def mint(self, amounts):
"""Mints new coins and returns a proof of promise."""
payload = {}
payloads: MintPayloads = MintPayloads()
secrets = []
rs = []
for i, amount in enumerate(amounts):
@@ -63,14 +58,17 @@ class LedgerAPI:
secrets.append(secret)
B_, r = b_dhke.step1_bob(secret)
rs.append(r)
payload[i] = {"amount": amount, "x": str(B_.x), "y": str(B_.y)}
blinded_point = BasePoint(x=str(B_.x), y=str(B_.y))
payload: MintPayload = MintPayload(amount=amount, B_=blinded_point)
payloads.payloads.append(payload)
print(payloads.dict())
promises = requests.post(
self.url + "/mint",
json=payload,
json=payloads.dict(),
).json()
if "error" in promises:
raise Exception("Error: {}".format(promises["error"]))
if "detail" in promises:
raise Exception("Error: {}".format(promises["detail"]))
return self._construct_proofs(promises, [(r, s) for r, s in zip(rs, secrets)])
def split(self, proofs, amount):
@@ -81,23 +79,28 @@ class LedgerAPI:
snd_outputs = amount_split(snd_amt)
secrets = []
output_data = []
# output_data = []
payloads: MintPayloads = MintPayloads()
for output_amt in fst_outputs + snd_outputs:
secret = str(random.getrandbits(128))
B_, r = b_dhke.step1_bob(secret)
secrets.append((r, secret))
output_data.append(
{
"amount": output_amt,
"B'": {
"x": B_.x,
"y": B_.y,
},
}
)
blinded_point = BasePoint(x=str(B_.x), y=str(B_.y))
payload: MintPayload = MintPayload(amount=output_amt, B_=blinded_point)
payloads.payloads.append(payload)
# output_data.append(
# {
# "amount": output_amt,
# "B'": {
# "x": B_.x,
# "y": B_.y,
# },
# }
# )
split_payload = SplitPayload(proofs=proofs, amount=amount, output_data=payloads)
promises = requests.post(
self.url + "/split",
json={"proofs": proofs, "amount": amount, "output_data": output_data},
json=split_payload.dict(),
).json()
if "error" in promises:
raise Exception("Error: {}".format(promises["error"]))