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pay lightning works

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This commit is contained in:
callebtc
2022-09-17 01:14:57 +03:00
parent 184b0cebbb
commit c3ae92edd1
10 changed files with 293 additions and 65 deletions
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2
.env.example
View File

@@ -13,5 +13,7 @@ MINT_SERVER_HOST=127.0.0.1
MINT_SERVER_PORT=3338 MINT_SERVER_PORT=3338
LIGHTNING=TRUE LIGHTNING=TRUE
LIGHTNING_FEE=1.01
LNBITS_ENDPOINT=https://legend.lnbits.com LNBITS_ENDPOINT=https://legend.lnbits.com
LNBITS_KEY=yourkeyasdasdasd LNBITS_KEY=yourkeyasdasdasd

1
cashu.py
View File

@@ -1 +0,0 @@
# for mysterious reasons, this file needs to exist for `poetry run cashu` to work

9
core/settings.py
View File

@@ -4,7 +4,9 @@ env = Env()
env.read_env() env.read_env()
DEBUG = env.bool("DEBUG", default=False) DEBUG = env.bool("DEBUG", default=False)
LIGHTNING = env.bool("LIGHTNING", default=False) LIGHTNING = env.bool("LIGHTNING", default=True)
LIGHTNING_FEE = env.float("LIGHTNING_FEE", default=1.01)
assert LIGHTNING_FEE >= 1.0, "LIGHTNING_FEE must be at least 1.0"
MINT_PRIVATE_KEY = env.str("MINT_PRIVATE_KEY") MINT_PRIVATE_KEY = env.str("MINT_PRIVATE_KEY")
@@ -14,10 +16,7 @@ MINT_SERVER_PORT = env.int("MINT_SERVER_PORT", default=3338)
MINT_HOST = env.str("MINT_HOST", default="127.0.0.1") MINT_HOST = env.str("MINT_HOST", default="127.0.0.1")
MINT_PORT = env.int("MINT_PORT", default=3338) MINT_PORT = env.int("MINT_PORT", default=3338)
if MINT_HOST == "127.0.0.1": MINT_URL = f"http://{MINT_HOST}:{MINT_PORT}"
MINT_URL = f"http://{MINT_HOST}:{MINT_PORT}"
else:
MINT_URL = f"http://{MINT_HOST}:{MINT_PORT}"
LNBITS_ENDPOINT = env.str("LNBITS_ENDPOINT", default=None) LNBITS_ENDPOINT = env.str("LNBITS_ENDPOINT", default=None)
LNBITS_KEY = env.str("LNBITS_KEY", default=None) LNBITS_KEY = env.str("LNBITS_KEY", default=None)

11
lightning/lnbits.py
View File

@@ -8,8 +8,13 @@ import requests
from core.settings import LNBITS_ENDPOINT, LNBITS_KEY from core.settings import LNBITS_ENDPOINT, LNBITS_KEY
from .base import (InvoiceResponse, PaymentResponse, PaymentStatus, from .base import (
StatusResponse, Wallet) InvoiceResponse,
PaymentResponse,
PaymentStatus,
StatusResponse,
Wallet,
)
class LNbitsWallet(Wallet): class LNbitsWallet(Wallet):
@@ -82,6 +87,8 @@ class LNbitsWallet(Wallet):
except: except:
error_message = r.json()["detail"] error_message = r.json()["detail"]
return PaymentResponse(None, None, None, None, error_message) return PaymentResponse(None, None, None, None, error_message)
if "detail" in r.json():
return PaymentResponse(None, None, None, None, r.json()["detail"])
ok, checking_id, fee_msat, preimage, error_message = ( ok, checking_id, fee_msat, preimage, error_message = (
True, True,
None, None,

2
mint/app.py
View File

@@ -142,6 +142,8 @@ async def melt(payload: MeltPayload):
""" """
Requests tokens to be destroyed and sent out via Lightning. Requests tokens to be destroyed and sent out via Lightning.
""" """
ok, preimage = await ledger.melt(payload.proofs, payload.amount, payload.invoice)
return {"paid": ok, "preimage": preimage}
@app.post("/check") @app.post("/check")

28
mint/ledger.py
View File

@@ -3,7 +3,7 @@ Implementation of https://gist.github.com/phyro/935badc682057f418842c72961cf096c
""" """
import hashlib import hashlib
import math
from ecc.curve import Point, secp256k1 from ecc.curve import Point, secp256k1
from ecc.key import gen_keypair from ecc.key import gen_keypair
@@ -13,7 +13,7 @@ from core.base import Proof, BlindedMessage, BlindedSignature, BasePoint
import core.b_dhke as b_dhke import core.b_dhke as b_dhke
from core.base import Invoice from core.base import Invoice
from core.db import Database from core.db import Database
from core.settings import MAX_ORDER, LIGHTNING from core.settings import MAX_ORDER, LIGHTNING, LIGHTNING_FEE
from core.split import amount_split from core.split import amount_split
from lightning import WALLET from lightning import WALLET
from mint.crud import ( from mint.crud import (
@@ -155,6 +155,16 @@ class Ledger:
await update_lightning_invoice(payment_hash, issued=True, db=self.db) await update_lightning_invoice(payment_hash, issued=True, db=self.db)
return status.paid return status.paid
async def _pay_lightning_invoice(self, invoice):
"""Returns an invoice from the Lightning backend."""
error, balance = await WALLET.status()
if error:
raise Exception(f"Lightning wallet not responding: {error}")
ok, checking_id, fee_msat, preimage, error_message = await WALLET.pay_invoice(
invoice, fee_limit_msat=10
)
return ok, preimage
async def _invalidate_proofs(self, proofs: List[Proof]): async def _invalidate_proofs(self, proofs: List[Proof]):
"""Adds secrets of proofs to the list of knwon secrets and stores them in the db.""" """Adds secrets of proofs to the list of knwon secrets and stores them in the db."""
# Mark proofs as used and prepare new promises # Mark proofs as used and prepare new promises
@@ -200,9 +210,17 @@ class Ledger:
async def melt(self, proofs: List[Proof], amount: int, invoice: str): async def melt(self, proofs: List[Proof], amount: int, invoice: str):
"""Invalidates proofs and pays a Lightning invoice.""" """Invalidates proofs and pays a Lightning invoice."""
if not LIGHTNING: # if not LIGHTNING:
raise Exception("Lightning is not active.") total = sum([p["amount"] for p in proofs])
return 0 # check that lightning fees are included
assert math.ceil(total * LIGHTNING_FEE) >= amount, Exception(
"provided proofs not enough for Lightning payment."
)
status, preimage = await self._pay_lightning_invoice(invoice)
if status == True:
await self._invalidate_proofs(proofs)
return status, preimage
async def check_spendable(self, proofs: List[Proof]): async def check_spendable(self, proofs: List[Proof]):
"""Checks if all provided proofs are valid and still spendable (i.e. have not been spent).""" """Checks if all provided proofs are valid and still spendable (i.e. have not been spent)."""

225
poetry.lock generated
View File

@@ -11,8 +11,8 @@ idna = ">=2.8"
sniffio = ">=1.1" sniffio = ">=1.1"
[package.extras] [package.extras]
doc = ["packaging", "sphinx-rtd-theme", "sphinx-autodoc-typehints (>=1.2.0)"] doc = ["packaging", "sphinx-autodoc-typehints (>=1.2.0)", "sphinx-rtd-theme"]
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)"] test = ["contextlib2", "coverage[toml] (>=4.5)", "hypothesis (>=4.0)", "mock (>=4)", "pytest (>=7.0)", "pytest-mock (>=3.6.1)", "trustme", "uvloop (<0.15)", "uvloop (>=0.15)"]
trio = ["trio (>=0.16)"] trio = ["trio (>=0.16)"]
[[package]] [[package]]
@@ -24,7 +24,7 @@ optional = false
python-versions = ">=3.7" python-versions = ">=3.7"
[package.extras] [package.extras]
tests = ["pytest", "pytest-asyncio", "mypy (>=0.800)"] tests = ["mypy (>=0.800)", "pytest", "pytest-asyncio"]
[[package]] [[package]]
name = "attrs" name = "attrs"
@@ -35,10 +35,10 @@ optional = false
python-versions = ">=3.5" python-versions = ">=3.5"
[package.extras] [package.extras]
dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "mypy (>=0.900,!=0.940)", "pytest-mypy-plugins", "zope.interface", "furo", "sphinx", "sphinx-notfound-page", "pre-commit", "cloudpickle"] dev = ["cloudpickle", "coverage[toml] (>=5.0.2)", "furo", "hypothesis", "mypy (>=0.900,!=0.940)", "pre-commit", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins", "sphinx", "sphinx-notfound-page", "zope.interface"]
docs = ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"] docs = ["furo", "sphinx", "sphinx-notfound-page", "zope.interface"]
tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "mypy (>=0.900,!=0.940)", "pytest-mypy-plugins", "zope.interface", "cloudpickle"] tests = ["cloudpickle", "coverage[toml] (>=5.0.2)", "hypothesis", "mypy (>=0.900,!=0.940)", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins", "zope.interface"]
tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "mypy (>=0.900,!=0.940)", "pytest-mypy-plugins", "cloudpickle"] tests_no_zope = ["cloudpickle", "coverage[toml] (>=5.0.2)", "hypothesis", "mypy (>=0.900,!=0.940)", "pympler", "pytest (>=4.3.0)", "pytest-mypy-plugins"]
[[package]] [[package]]
name = "bech32" name = "bech32"
@@ -48,6 +48,14 @@ category = "main"
optional = false optional = false
python-versions = ">=3.5" python-versions = ">=3.5"
[[package]]
name = "bitstring"
version = "3.1.9"
description = "Simple construction, analysis and modification of binary data."
category = "main"
optional = false
python-versions = "*"
[[package]] [[package]]
name = "black" name = "black"
version = "22.8.0" version = "22.8.0"
@@ -78,6 +86,17 @@ category = "main"
optional = false optional = false
python-versions = ">=3.6" python-versions = ">=3.6"
[[package]]
name = "cffi"
version = "1.15.1"
description = "Foreign Function Interface for Python calling C code."
category = "main"
optional = false
python-versions = "*"
[package.dependencies]
pycparser = "*"
[[package]] [[package]]
name = "charset-normalizer" name = "charset-normalizer"
version = "2.0.12" version = "2.0.12"
@@ -142,6 +161,21 @@ url = "https://github.com/lc6chang/ecc-pycrypto.git"
reference = "v1.0.1" reference = "v1.0.1"
resolved_reference = "eb8b8c19a81a52d9cf705d90a597a78cdaf2b6f6" resolved_reference = "eb8b8c19a81a52d9cf705d90a597a78cdaf2b6f6"
[[package]]
name = "ecdsa"
version = "0.18.0"
description = "ECDSA cryptographic signature library (pure python)"
category = "main"
optional = false
python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
[package.dependencies]
six = ">=1.9.0"
[package.extras]
gmpy = ["gmpy"]
gmpy2 = ["gmpy2"]
[[package]] [[package]]
name = "environs" name = "environs"
version = "9.5.0" version = "9.5.0"
@@ -155,10 +189,10 @@ marshmallow = ">=3.0.0"
python-dotenv = "*" python-dotenv = "*"
[package.extras] [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"] dev = ["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)", "pytest", "tox"]
django = ["dj-database-url", "dj-email-url", "django-cache-url"] 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)"] 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"] tests = ["dj-database-url", "dj-email-url", "django-cache-url", "pytest"]
[[package]] [[package]]
name = "fastapi" name = "fastapi"
@@ -173,10 +207,10 @@ pydantic = ">=1.6.2,<1.7 || >1.7,<1.7.1 || >1.7.1,<1.7.2 || >1.7.2,<1.7.3 || >1.
starlette = "0.19.1" starlette = "0.19.1"
[package.extras] [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)"] all = ["email_validator (>=1.1.1,<2.0.0)", "itsdangerous (>=1.1.0,<3.0.0)", "jinja2 (>=2.11.2,<4.0.0)", "orjson (>=3.2.1,<4.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "pyyaml (>=5.3.1,<7.0.0)", "requests (>=2.24.0,<3.0.0)", "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)", "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)"] dev = ["autoflake (>=1.4.0,<2.0.0)", "flake8 (>=3.8.3,<6.0.0)", "passlib[bcrypt] (>=1.7.2,<2.0.0)", "pre-commit (>=2.17.0,<3.0.0)", "python-jose[cryptography] (>=3.3.0,<4.0.0)", "uvicorn[standard] (>=0.12.0,<0.18.0)"]
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)"] doc = ["mdx-include (>=1.4.1,<2.0.0)", "mkdocs (>=1.1.2,<2.0.0)", "mkdocs-markdownextradata-plugin (>=0.1.7,<0.3.0)", "mkdocs-material (>=8.1.4,<9.0.0)", "pyyaml (>=5.3.1,<7.0.0)", "typer (>=0.4.1,<0.5.0)"]
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)"] test = ["anyio[trio] (>=3.2.1,<4.0.0)", "black (==22.3.0)", "databases[sqlite] (>=0.3.2,<0.6.0)", "email_validator (>=1.1.1,<2.0.0)", "flake8 (>=3.8.3,<6.0.0)", "flask (>=1.1.2,<3.0.0)", "httpx (>=0.14.0,<0.19.0)", "isort (>=5.0.6,<6.0.0)", "mypy (==0.910)", "orjson (>=3.2.1,<4.0.0)", "peewee (>=3.13.3,<4.0.0)", "pytest (>=6.2.4,<7.0.0)", "pytest-cov (>=2.12.0,<4.0.0)", "python-multipart (>=0.0.5,<0.0.6)", "requests (>=2.24.0,<3.0.0)", "sqlalchemy (>=1.3.18,<1.5.0)", "types-dataclasses (==0.6.5)", "types-orjson (==3.6.2)", "types-ujson (==4.2.1)", "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)"]
[[package]] [[package]]
name = "flask" name = "flask"
@@ -225,9 +259,9 @@ python-versions = ">=3.7"
zipp = ">=0.5" zipp = ">=0.5"
[package.extras] [package.extras]
docs = ["sphinx", "jaraco.packaging (>=9)", "rst.linker (>=1.9)"] docs = ["jaraco.packaging (>=9)", "rst.linker (>=1.9)", "sphinx"]
perf = ["ipython"] perf = ["ipython"]
testing = ["pytest (>=6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.3)", "packaging", "pyfakefs", "flufl.flake8", "pytest-perf (>=0.9.2)", "pytest-black (>=0.3.7)", "pytest-mypy (>=0.9.1)", "importlib-resources (>=1.3)"] testing = ["flufl.flake8", "importlib-resources (>=1.3)", "packaging", "pyfakefs", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=1.3)", "pytest-flake8", "pytest-mypy (>=0.9.1)", "pytest-perf (>=0.9.2)"]
[[package]] [[package]]
name = "iniconfig" name = "iniconfig"
@@ -246,10 +280,10 @@ optional = false
python-versions = ">=3.6.1,<4.0" python-versions = ">=3.6.1,<4.0"
[package.extras] [package.extras]
pipfile_deprecated_finder = ["pipreqs", "requirementslib"]
requirements_deprecated_finder = ["pipreqs", "pip-api"]
colors = ["colorama (>=0.4.3,<0.5.0)"] colors = ["colorama (>=0.4.3,<0.5.0)"]
pipfile_deprecated_finder = ["pipreqs", "requirementslib"]
plugins = ["setuptools"] plugins = ["setuptools"]
requirements_deprecated_finder = ["pip-api", "pipreqs"]
[[package]] [[package]]
name = "itsdangerous" name = "itsdangerous"
@@ -286,7 +320,7 @@ colorama = {version = ">=0.3.4", markers = "sys_platform == \"win32\""}
win32-setctime = {version = ">=1.0.0", markers = "sys_platform == \"win32\""} win32-setctime = {version = ">=1.0.0", markers = "sys_platform == \"win32\""}
[package.extras] [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)"] dev = ["Sphinx (>=4.1.1)", "black (>=19.10b0)", "colorama (>=0.3.4)", "docutils (==0.16)", "flake8 (>=3.7.7)", "isort (>=5.1.1)", "pytest (>=4.6.2)", "pytest-cov (>=2.7.1)", "sphinx-autobuild (>=0.7.1)", "sphinx-rtd-theme (>=0.4.3)", "tox (>=3.9.0)"]
[[package]] [[package]]
name = "markupsafe" name = "markupsafe"
@@ -308,9 +342,9 @@ python-versions = ">=3.7"
packaging = ">=17.0" packaging = ">=17.0"
[package.extras] [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"] dev = ["flake8 (==5.0.4)", "flake8-bugbear (==22.8.22)", "mypy (==0.971)", "pre-commit (>=2.4,<3.0)", "pytest", "pytz", "simplejson", "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)"] docs = ["alabaster (==0.7.12)", "autodocsumm (==0.2.9)", "sphinx (==5.1.1)", "sphinx-issues (==3.0.1)", "sphinx-version-warning (==1.1.2)"]
lint = ["mypy (==0.971)", "flake8 (==5.0.4)", "flake8-bugbear (==22.8.22)", "pre-commit (>=2.4,<3.0)"] lint = ["flake8 (==5.0.4)", "flake8-bugbear (==22.8.22)", "mypy (==0.971)", "pre-commit (>=2.4,<3.0)"]
tests = ["pytest", "pytz", "simplejson"] tests = ["pytest", "pytz", "simplejson"]
[[package]] [[package]]
@@ -360,8 +394,8 @@ optional = false
python-versions = ">=3.7" python-versions = ">=3.7"
[package.extras] [package.extras]
docs = ["furo (>=2021.7.5b38)", "proselint (>=0.10.2)", "sphinx-autodoc-typehints (>=1.12)", "sphinx (>=4)"] docs = ["furo (>=2021.7.5b38)", "proselint (>=0.10.2)", "sphinx (>=4)", "sphinx-autodoc-typehints (>=1.12)"]
test = ["appdirs (==1.4.4)", "pytest-cov (>=2.7)", "pytest-mock (>=3.6)", "pytest (>=6)"] test = ["appdirs (==1.4.4)", "pytest (>=6)", "pytest-cov (>=2.7)", "pytest-mock (>=3.6)"]
[[package]] [[package]]
name = "pluggy" name = "pluggy"
@@ -372,8 +406,8 @@ optional = false
python-versions = ">=3.6" python-versions = ">=3.6"
[package.extras] [package.extras]
testing = ["pytest-benchmark", "pytest"] dev = ["pre-commit", "tox"]
dev = ["tox", "pre-commit"] testing = ["pytest", "pytest-benchmark"]
[[package]] [[package]]
name = "psycopg2-binary" name = "psycopg2-binary"
@@ -391,6 +425,14 @@ category = "main"
optional = false optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*" python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
[[package]]
name = "pycparser"
version = "2.21"
description = "C parser in Python"
category = "main"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
[[package]] [[package]]
name = "pycrypto" name = "pycrypto"
version = "2.6.1" version = "2.6.1"
@@ -423,7 +465,7 @@ optional = false
python-versions = ">=3.6.8" python-versions = ">=3.6.8"
[package.extras] [package.extras]
diagrams = ["railroad-diagrams", "jinja2"] diagrams = ["jinja2", "railroad-diagrams"]
[[package]] [[package]]
name = "pytest" name = "pytest"
@@ -457,7 +499,7 @@ python-versions = ">=3.7"
pytest = ">=6.1.0" pytest = ">=6.1.0"
[package.extras] [package.extras]
testing = ["coverage (>=6.2)", "hypothesis (>=5.7.1)", "flaky (>=3.5.0)", "mypy (>=0.931)", "pytest-trio (>=0.7.0)"] testing = ["coverage (>=6.2)", "flaky (>=3.5.0)", "hypothesis (>=5.7.1)", "mypy (>=0.931)", "pytest-trio (>=0.7.0)"]
[[package]] [[package]]
name = "python-dotenv" name = "python-dotenv"
@@ -482,7 +524,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
six = ">=1.8.0" six = ">=1.8.0"
[package.extras] [package.extras]
test = ["ipython", "pytest (>=3.0.5)", "mock"] test = ["ipython", "mock", "pytest (>=3.0.5)"]
[[package]] [[package]]
name = "requests" name = "requests"
@@ -502,6 +544,17 @@ urllib3 = ">=1.21.1,<1.27"
socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"] socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"]
use_chardet_on_py3 = ["chardet (>=3.0.2,<5)"] use_chardet_on_py3 = ["chardet (>=3.0.2,<5)"]
[[package]]
name = "secp256k1"
version = "0.14.0"
description = "FFI bindings to libsecp256k1"
category = "main"
optional = false
python-versions = "*"
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cffi = ">=1.3.0"
[[package]] [[package]]
name = "six" name = "six"
version = "1.16.0" version = "1.16.0"
@@ -531,12 +584,12 @@ mssql = ["pyodbc"]
mssql_pymssql = ["pymssql"] mssql_pymssql = ["pymssql"]
mssql_pyodbc = ["pyodbc"] mssql_pyodbc = ["pyodbc"]
mysql = ["mysqlclient"] mysql = ["mysqlclient"]
oracle = ["cx-oracle"] oracle = ["cx_oracle"]
postgresql = ["psycopg2"] postgresql = ["psycopg2"]
postgresql_pg8000 = ["pg8000 (<1.16.6)"] postgresql_pg8000 = ["pg8000 (<1.16.6)"]
postgresql_psycopg2binary = ["psycopg2-binary"] postgresql_psycopg2binary = ["psycopg2-binary"]
postgresql_psycopg2cffi = ["psycopg2cffi"] postgresql_psycopg2cffi = ["psycopg2cffi"]
pymysql = ["pymysql (<1)", "pymysql"] pymysql = ["pymysql", "pymysql (<1)"]
[[package]] [[package]]
name = "sqlalchemy-aio" name = "sqlalchemy-aio"
@@ -596,7 +649,7 @@ optional = false
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socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"] socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
[[package]] [[package]]
@@ -648,13 +701,13 @@ optional = false
python-versions = ">=3.7" python-versions = ">=3.7"
[package.extras] [package.extras]
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{file = "cffi-1.15.1.tar.gz", hash = "sha256:d400bfb9a37b1351253cb402671cea7e89bdecc294e8016a707f6d1d8ac934f9"},
]
charset-normalizer = [ charset-normalizer = [
{file = "charset-normalizer-2.0.12.tar.gz", hash = "sha256:2857e29ff0d34db842cd7ca3230549d1a697f96ee6d3fb071cfa6c7393832597"}, {file = "charset-normalizer-2.0.12.tar.gz", hash = "sha256:2857e29ff0d34db842cd7ca3230549d1a697f96ee6d3fb071cfa6c7393832597"},
{file = "charset_normalizer-2.0.12-py3-none-any.whl", hash = "sha256:6881edbebdb17b39b4eaaa821b438bf6eddffb4468cf344f09f89def34a8b1df"}, {file = "charset_normalizer-2.0.12-py3-none-any.whl", hash = "sha256:6881edbebdb17b39b4eaaa821b438bf6eddffb4468cf344f09f89def34a8b1df"},
@@ -722,6 +846,10 @@ ecc = [
{file = "ecc-0.0.1.zip", hash = "sha256:4bbcd46e9963ca37422d3244ab503af9dce95cbd35f676f7f9a4dd6306e23538"}, {file = "ecc-0.0.1.zip", hash = "sha256:4bbcd46e9963ca37422d3244ab503af9dce95cbd35f676f7f9a4dd6306e23538"},
] ]
ecc-pycrypto = [] ecc-pycrypto = []
ecdsa = [
{file = "ecdsa-0.18.0-py2.py3-none-any.whl", hash = "sha256:80600258e7ed2f16b9aa1d7c295bd70194109ad5a30fdee0eaeefef1d4c559dd"},
{file = "ecdsa-0.18.0.tar.gz", hash = "sha256:190348041559e21b22a1d65cee485282ca11a6f81d503fddb84d5017e9ed1e49"},
]
environs = [ environs = [
{file = "environs-9.5.0-py2.py3-none-any.whl", hash = "sha256:1e549569a3de49c05f856f40bce86979e7d5ffbbc4398e7f338574c220189124"}, {file = "environs-9.5.0-py2.py3-none-any.whl", hash = "sha256:1e549569a3de49c05f856f40bce86979e7d5ffbbc4398e7f338574c220189124"},
{file = "environs-9.5.0.tar.gz", hash = "sha256:a76307b36fbe856bdca7ee9161e6c466fd7fcffc297109a118c59b54e27e30c9"}, {file = "environs-9.5.0.tar.gz", hash = "sha256:a76307b36fbe856bdca7ee9161e6c466fd7fcffc297109a118c59b54e27e30c9"},
@@ -898,6 +1026,10 @@ py = [
{file = "py-1.11.0-py2.py3-none-any.whl", hash = "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"}, {file = "py-1.11.0-py2.py3-none-any.whl", hash = "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"},
{file = "py-1.11.0.tar.gz", hash = "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719"}, {file = "py-1.11.0.tar.gz", hash = "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719"},
] ]
pycparser = [
{file = "pycparser-2.21-py2.py3-none-any.whl", hash = "sha256:8ee45429555515e1f6b185e78100aea234072576aa43ab53aefcae078162fca9"},
{file = "pycparser-2.21.tar.gz", hash = "sha256:e644fdec12f7872f86c58ff790da456218b10f863970249516d60a5eaca77206"},
]
pycrypto = [ pycrypto = [
{file = "pycrypto-2.6.1.tar.gz", hash = "sha256:f2ce1e989b272cfcb677616763e0a2e7ec659effa67a88aa92b3a65528f60a3c"}, {file = "pycrypto-2.6.1.tar.gz", hash = "sha256:f2ce1e989b272cfcb677616763e0a2e7ec659effa67a88aa92b3a65528f60a3c"},
] ]
@@ -963,6 +1095,31 @@ requests = [
{file = "requests-2.27.1-py2.py3-none-any.whl", hash = "sha256:f22fa1e554c9ddfd16e6e41ac79759e17be9e492b3587efa038054674760e72d"}, {file = "requests-2.27.1-py2.py3-none-any.whl", hash = "sha256:f22fa1e554c9ddfd16e6e41ac79759e17be9e492b3587efa038054674760e72d"},
{file = "requests-2.27.1.tar.gz", hash = "sha256:68d7c56fd5a8999887728ef304a6d12edc7be74f1cfa47714fc8b414525c9a61"}, {file = "requests-2.27.1.tar.gz", hash = "sha256:68d7c56fd5a8999887728ef304a6d12edc7be74f1cfa47714fc8b414525c9a61"},
] ]
secp256k1 = [
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{file = "secp256k1-0.14.0-cp310-cp310-manylinux_2_5_x86_64.manylinux1_x86_64.manylinux_2_12_x86_64.manylinux2010_x86_64.whl", hash = "sha256:fcabb3c3497a902fb61eec72d1b69bf72747d7bcc2a732d56d9319a1e8322262"},
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six = [ six = [
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{file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"}, {file = "six-1.16.0.tar.gz", hash = "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926"},

3
pyproject.toml
View File

@@ -31,6 +31,9 @@ fastapi = "^0.83.0"
environs = "^9.5.0" environs = "^9.5.0"
uvicorn = "^0.18.3" uvicorn = "^0.18.3"
loguru = "^0.6.0" loguru = "^0.6.0"
ecdsa = "^0.18.0"
bitstring = "^3.1.9"
secp256k1 = "^0.14.0"
[tool.poetry.dev-dependencies] [tool.poetry.dev-dependencies]
black = {version = "^22.8.0", allow-prereleases = true} black = {version = "^22.8.0", allow-prereleases = true}

53
wallet/cashu.py
View File

@@ -3,14 +3,17 @@
import asyncio import asyncio
import base64 import base64
import json import json
import math
from functools import wraps from functools import wraps
import click import click
from bech32 import bech32_decode, bech32_encode, convertbits from bech32 import bech32_decode, bech32_encode, convertbits
from core.settings import MINT_URL, LIGHTNING from core.settings import MINT_URL, LIGHTNING, LIGHTNING_FEE
from core.migrations import migrate_databases from core.migrations import migrate_databases
from core.base import Proof from core.base import Proof
import core.bolt11 as bolt11
from core.bolt11 import Invoice
from wallet.wallet import Wallet as Wallet from wallet.wallet import Wallet as Wallet
from wallet import migrations from wallet import migrations
@@ -61,24 +64,19 @@ def coro(f):
async def mint(ctx, amount: int, hash: str): async def mint(ctx, amount: int, hash: str):
wallet: Wallet = ctx.obj["WALLET"] wallet: Wallet = ctx.obj["WALLET"]
await init_wallet(wallet) await init_wallet(wallet)
wallet.status()
if not LIGHTNING: if not LIGHTNING:
wallet.status()
r = await wallet.mint(amount) r = await wallet.mint(amount)
wallet.status() elif amount and not hash:
return
if amount and not hash:
print(f"Balance: {wallet.balance}")
r = await wallet.request_mint(amount) r = await wallet.request_mint(amount)
print(r) if "pr" in r:
return print(f"Pay this invoice to mint {amount} sat:")
print(f"Invoice: {r['pr']}")
if amount and hash: print(f"Hash: {r['hash']}")
print(f"Balance: {wallet.balance}") elif amount and hash:
await wallet.mint(amount, hash) await wallet.mint(amount, hash)
print(f"Balance: {wallet.balance}") wallet.status()
return return
@cli.command("balance", help="See balance.") @cli.command("balance", help="See balance.")
@@ -129,3 +127,28 @@ async def burn(ctx, token: str):
proofs = [Proof.from_dict(p) for p in json.loads(base64.urlsafe_b64decode(token))] proofs = [Proof.from_dict(p) for p in json.loads(base64.urlsafe_b64decode(token))]
await wallet.invalidate(proofs) await wallet.invalidate(proofs)
wallet.status() wallet.status()
@cli.command("pay", help="Pay lightning invoice.")
@click.argument("invoice", type=str)
@click.pass_context
@coro
async def pay(ctx, invoice: str):
wallet: Wallet = ctx.obj["WALLET"]
await init_wallet(wallet)
wallet.status()
decoded_invoice: Invoice = bolt11.decode(invoice)
amount = math.ceil(
decoded_invoice.amount_msat / 1000 * LIGHTNING_FEE
) # 1% fee for Lightning
print(
f"Paying Lightning invoice of {decoded_invoice.amount_msat // 1000} sat ({amount} sat with fees)"
)
assert amount > 0, "amount is not positive"
if wallet.available_balance < amount:
print("Error: Balance too low.")
return
_, send_proofs = await wallet.split_to_send(wallet.proofs, amount)
await wallet.pay_lightning(send_proofs, amount, invoice)
print("Invoice paid.")
wallet.status()

24
wallet/wallet.py
View File

@@ -13,6 +13,7 @@ from core.base import (
SplitPayload, SplitPayload,
BlindedSignature, BlindedSignature,
CheckPayload, CheckPayload,
MeltPayload,
) )
from core.db import Database from core.db import Database
from core.split import amount_split from core.split import amount_split
@@ -123,6 +124,14 @@ class LedgerAPI:
return True return True
return False return False
async def pay_lightning(self, proofs: List[Proof], amount: int, invoice: str):
payload = MeltPayload(proofs=proofs, amount=amount, invoice=invoice)
return_dict = requests.post(
self.url + "/melt",
json=payload.dict(),
).json()
return return_dict
class Wallet(LedgerAPI): class Wallet(LedgerAPI):
"""Minimal wallet wrapper.""" """Minimal wallet wrapper."""
@@ -147,7 +156,7 @@ class Wallet(LedgerAPI):
split = amount_split(amount) split = amount_split(amount)
proofs = super().mint(split, payment_hash) proofs = super().mint(split, payment_hash)
if proofs == []: if proofs == []:
raise Exception("received no proofs") raise Exception("received no proofs.")
await self._store_proofs(proofs) await self._store_proofs(proofs)
self.proofs += proofs self.proofs += proofs
return proofs return proofs
@@ -159,7 +168,7 @@ class Wallet(LedgerAPI):
assert len(proofs) > 0, ValueError("no proofs provided.") assert len(proofs) > 0, ValueError("no proofs provided.")
fst_proofs, snd_proofs = super().split(proofs, amount) fst_proofs, snd_proofs = super().split(proofs, amount)
if len(fst_proofs) == 0 and len(snd_proofs) == 0: if len(fst_proofs) == 0 and len(snd_proofs) == 0:
raise Exception("received no splits") raise Exception("received no splits.")
used_secrets = [p["secret"] for p in proofs] used_secrets = [p["secret"] for p in proofs]
self.proofs = list( self.proofs = list(
filter(lambda p: p["secret"] not in used_secrets, self.proofs) filter(lambda p: p["secret"] not in used_secrets, self.proofs)
@@ -170,10 +179,19 @@ class Wallet(LedgerAPI):
await invalidate_proof(proof, db=self.db) await invalidate_proof(proof, db=self.db)
return fst_proofs, snd_proofs return fst_proofs, snd_proofs
async def pay_lightning(self, proofs: List[Proof], amount: int, invoice: str):
"""Pays a lightning invoice"""
status = await super().pay_lightning(proofs, amount, invoice)
if status["paid"] == True:
await self.invalidate(proofs)
else:
raise Exception("could not pay invoice.")
return status["paid"]
async def split_to_send(self, proofs: List[Proof], amount): async def split_to_send(self, proofs: List[Proof], amount):
"""Like self.split but only considers non-reserved tokens.""" """Like self.split but only considers non-reserved tokens."""
if len([p for p in proofs if not p.reserved]) <= 0: if len([p for p in proofs if not p.reserved]) <= 0:
raise Exception("balance too low") raise Exception("balance too low.")
return await self.split([p for p in proofs if not p.reserved], amount) return await self.split([p for p in proofs if not p.reserved], amount)
async def set_reserved(self, proofs: List[Proof], reserved: bool): async def set_reserved(self, proofs: List[Proof], reserved: bool):