Files
nutshell/mint/app.py
2022-09-11 14:46:23 +03:00

68 lines
1.7 KiB
Python

import hashlib
from ecc.curve import secp256k1, Point
from flask import Flask, request
import os
import asyncio
from mint.ledger import Ledger
from mint.migrations import m001_initial
# Ledger pubkey
ledger = Ledger("supersecretprivatekey", "../data/mint")
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():
await asyncio.wait([m001_initial(ledger.db)])
await ledger.load_used_proofs()
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)
app = MyFlaskApp(__name__)
@app.route("/keys")
def keys():
return ledger.get_pubkeys()
@app.route("/mint", methods=["POST"])
async def mint():
amount = int(request.args.get("amount")) or 64
x = int(request.json["x"])
y = int(request.json["y"])
B_ = Point(x, y, secp256k1)
try:
promise = await ledger.mint(B_, amount)
return promise
except Exception as exc:
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"]
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)}