Files
nutshell/tests/test_mint_operations.py
callebtc e846acf946 Mint: add websockets for quote updates (#413)
* add websockets for quote updates

* add test (not working)

* wip: emit events to everyone

* wip: emit events to everyone

* wip, lots of things broken but invoice callback works

* wip

* add wip files

* tests almost passing

* add task

* refactor nut constants

* startup fix

* works with old mints

* wip cli

* fix mypy

* remove automatic invoice test now with websockets

* remove comment

* better logging

* send back response

* add rate limiter to websocket

* add rate limiter to subscriptions

* refactor websocket ratelimit

* websocket tests

* subscription kinds

* doesnt start

* remove circular import

* update

* fix mypy

* move test file in test because it fails if it runs later... dunno why

* adjust websocket NUT-06 settings

* local import and small fix

* disable websockets in CLI if "no_check" is selected

* move subscription test to where it was

* check proof state with callback, add tests

* tests: run mint fixture per module instead of per session

* subscription command name fix

* test per session again

* update test race conditions

* fix tests

* clean up

* tmp

* fix db issues and remove cached secrets

* fix tests

* blindly try pipeline

* remove comments

* comments
2024-06-25 19:20:03 +02:00

394 lines
14 KiB
Python

import pytest
import pytest_asyncio
from cashu.core.helpers import sum_proofs
from cashu.core.models import PostMeltQuoteRequest, PostMintQuoteRequest
from cashu.mint.ledger import Ledger
from cashu.wallet.wallet import Wallet
from cashu.wallet.wallet import Wallet as Wallet1
from tests.conftest import SERVER_ENDPOINT
from tests.helpers import get_real_invoice, is_fake, is_regtest, pay_if_regtest
async def assert_err(f, msg):
"""Compute f() and expect an error message 'msg'."""
try:
await f
except Exception as exc:
if msg not in str(exc.args[0]):
raise Exception(f"Expected error: {msg}, got: {exc.args[0]}")
return
raise Exception(f"Expected error: {msg}, got no error")
@pytest_asyncio.fixture(scope="function")
async def wallet1(ledger: Ledger):
wallet1 = await Wallet1.with_db(
url=SERVER_ENDPOINT,
db="test_data/wallet1",
name="wallet1",
)
await wallet1.load_mint()
yield wallet1
@pytest.mark.asyncio
@pytest.mark.skipif(is_regtest, reason="only works with FakeWallet")
async def test_melt_internal(wallet1: Wallet, ledger: Ledger):
# mint twice so we have enough to pay the second invoice back
invoice = await wallet1.request_mint(128)
await wallet1.mint(128, id=invoice.id)
assert wallet1.balance == 128
# create a mint quote so that we can melt to it internally
invoice_to_pay = await wallet1.request_mint(64)
invoice_payment_request = invoice_to_pay.bolt11
melt_quote = await ledger.melt_quote(
PostMeltQuoteRequest(request=invoice_payment_request, unit="sat")
)
assert not melt_quote.paid
assert melt_quote.amount == 64
assert melt_quote.fee_reserve == 0
melt_quote_pre_payment = await ledger.get_melt_quote(melt_quote.quote)
assert not melt_quote_pre_payment.paid, "melt quote should not be paid"
keep_proofs, send_proofs = await wallet1.split_to_send(wallet1.proofs, 64)
await ledger.melt(proofs=send_proofs, quote=melt_quote.quote)
melt_quote_post_payment = await ledger.get_melt_quote(melt_quote.quote)
assert melt_quote_post_payment.paid, "melt quote should be paid"
@pytest.mark.asyncio
@pytest.mark.skipif(is_fake, reason="only works with Regtest")
async def test_melt_external(wallet1: Wallet, ledger: Ledger):
# mint twice so we have enough to pay the second invoice back
invoice = await wallet1.request_mint(128)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(128, id=invoice.id)
assert wallet1.balance == 128
invoice_dict = get_real_invoice(64)
invoice_payment_request = invoice_dict["payment_request"]
mint_quote = await wallet1.melt_quote(invoice_payment_request)
total_amount = mint_quote.amount + mint_quote.fee_reserve
keep_proofs, send_proofs = await wallet1.split_to_send(wallet1.proofs, total_amount)
melt_quote = await ledger.melt_quote(
PostMeltQuoteRequest(request=invoice_payment_request, unit="sat")
)
melt_quote_pre_payment = await ledger.get_melt_quote(melt_quote.quote)
assert not melt_quote_pre_payment.paid, "melt quote should not be paid"
assert not melt_quote.paid, "melt quote should not be paid"
await ledger.melt(proofs=send_proofs, quote=melt_quote.quote)
melt_quote_post_payment = await ledger.get_melt_quote(melt_quote.quote)
assert melt_quote_post_payment.paid, "melt quote should be paid"
@pytest.mark.asyncio
@pytest.mark.skipif(is_regtest, reason="only works with FakeWallet")
async def test_mint_internal(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(128)
mint_quote = await ledger.get_mint_quote(invoice.id)
assert mint_quote.paid, "mint quote should be paid"
output_amounts = [128]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
await ledger.mint(outputs=outputs, quote_id=invoice.id)
await assert_err(
ledger.mint(outputs=outputs, quote_id=invoice.id),
"outputs have already been signed before.",
)
@pytest.mark.asyncio
@pytest.mark.skipif(is_fake, reason="only works with Regtest")
async def test_mint_external(wallet1: Wallet, ledger: Ledger):
quote = await ledger.mint_quote(PostMintQuoteRequest(amount=128, unit="sat"))
mint_quote = await ledger.get_mint_quote(quote.quote)
assert not mint_quote.paid, "mint quote already paid"
await assert_err(
wallet1.mint(128, id=quote.quote),
"quote not paid",
)
pay_if_regtest(quote.request)
mint_quote = await ledger.get_mint_quote(quote.quote)
assert mint_quote.paid, "mint quote should be paid"
output_amounts = [128]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
await ledger.mint(outputs=outputs, quote_id=quote.quote)
@pytest.mark.asyncio
async def test_split(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(64)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(64, id=invoice.id)
keep_proofs, send_proofs = await wallet1.split_to_send(wallet1.proofs, 10)
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(len(send_proofs))
outputs, rs = wallet1._construct_outputs(
[p.amount for p in send_proofs], secrets, rs
)
promises = await ledger.split(proofs=send_proofs, outputs=outputs)
assert len(promises) == len(outputs)
assert [p.amount for p in promises] == [p.amount for p in outputs]
@pytest.mark.asyncio
async def test_split_with_no_outputs(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(64)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(64, id=invoice.id)
_, send_proofs = await wallet1.split_to_send(wallet1.proofs, 10, set_reserved=False)
await assert_err(
ledger.split(proofs=send_proofs, outputs=[]),
"no outputs provided",
)
@pytest.mark.asyncio
async def test_split_with_input_less_than_outputs(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(64)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(64, id=invoice.id)
keep_proofs, send_proofs = await wallet1.split_to_send(
wallet1.proofs, 10, set_reserved=False
)
too_many_proofs = send_proofs + send_proofs
# generate more outputs than inputs
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(too_many_proofs)
)
outputs, rs = wallet1._construct_outputs(
[p.amount for p in too_many_proofs], secrets, rs
)
await assert_err(
ledger.split(proofs=send_proofs, outputs=outputs),
"are not balanced",
)
# make sure we can still spend our tokens
keep_proofs, send_proofs = await wallet1.split(wallet1.proofs, 10)
@pytest.mark.asyncio
async def test_split_with_input_more_than_outputs(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(128)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(128, id=invoice.id)
inputs = wallet1.proofs
# less outputs than inputs
output_amounts = [8]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
await assert_err(
ledger.split(proofs=inputs, outputs=outputs),
"are not balanced",
)
# make sure we can still spend our tokens
keep_proofs, send_proofs = await wallet1.split(inputs, 10)
@pytest.mark.asyncio
async def test_split_twice_with_same_outputs(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(128)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(128, split=[64, 64], id=invoice.id)
inputs1 = wallet1.proofs[:1]
inputs2 = wallet1.proofs[1:]
assert inputs1[0].amount == 64
assert inputs2[0].amount == 64
output_amounts = [64]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
await ledger.split(proofs=inputs1, outputs=outputs)
# try to spend other proofs with the same outputs again
await assert_err(
ledger.split(proofs=inputs2, outputs=outputs),
"outputs have already been signed before.",
)
# try to spend inputs2 again with new outputs
output_amounts = [64]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
await ledger.split(proofs=inputs2, outputs=outputs)
@pytest.mark.asyncio
async def test_mint_with_same_outputs_twice(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(128)
pay_if_regtest(invoice.bolt11)
output_amounts = [128]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
await ledger.mint(outputs=outputs, quote_id=invoice.id)
# now try to mint with the same outputs again
invoice2 = await wallet1.request_mint(128)
pay_if_regtest(invoice2.bolt11)
await assert_err(
ledger.mint(outputs=outputs, quote_id=invoice2.id),
"outputs have already been signed before.",
)
@pytest.mark.asyncio
async def test_melt_with_same_outputs_twice(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(130)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(130, id=invoice.id)
output_amounts = [128]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
# we use the outputs once for minting
invoice2 = await wallet1.request_mint(128)
pay_if_regtest(invoice2.bolt11)
await ledger.mint(outputs=outputs, quote_id=invoice2.id)
# use the same outputs for melting
mint_quote = await ledger.mint_quote(PostMintQuoteRequest(unit="sat", amount=128))
melt_quote = await ledger.melt_quote(
PostMeltQuoteRequest(unit="sat", request=mint_quote.request)
)
await assert_err(
ledger.melt(proofs=wallet1.proofs, quote=melt_quote.quote, outputs=outputs),
"outputs have already been signed before.",
)
@pytest.mark.asyncio
async def test_melt_with_less_inputs_than_invoice(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(32)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(32, id=invoice.id)
# outputs for fee return
output_amounts = [1, 1, 1, 1]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
# create a mint quote to pay
mint_quote = await ledger.mint_quote(PostMintQuoteRequest(unit="sat", amount=128))
# prepare melt quote
melt_quote = await ledger.melt_quote(
PostMeltQuoteRequest(unit="sat", request=mint_quote.request)
)
assert melt_quote.amount + melt_quote.fee_reserve > sum_proofs(wallet1.proofs)
# try to pay with not enough inputs
await assert_err(
ledger.melt(proofs=wallet1.proofs, quote=melt_quote.quote, outputs=outputs),
"not enough inputs provided for melt",
)
@pytest.mark.asyncio
async def test_melt_with_more_inputs_than_invoice(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(130)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(130, split=[64, 64, 2], id=invoice.id)
# outputs for fee return
output_amounts = [1, 1, 1, 1]
secrets, rs, derivation_paths = await wallet1.generate_n_secrets(
len(output_amounts)
)
outputs, rs = wallet1._construct_outputs(output_amounts, secrets, rs)
# create a mint quote to pay
mint_quote = await ledger.mint_quote(PostMintQuoteRequest(unit="sat", amount=128))
# prepare melt quote
melt_quote = await ledger.melt_quote(
PostMeltQuoteRequest(unit="sat", request=mint_quote.request)
)
# fees are 0 because it's internal
assert melt_quote.fee_reserve == 0
# make sure we have more inputs than the melt quote needs
assert sum_proofs(wallet1.proofs) >= melt_quote.amount + melt_quote.fee_reserve
payment_proof, return_outputs = await ledger.melt(
proofs=wallet1.proofs, quote=melt_quote.quote, outputs=outputs
)
# we get 2 sats back because we overpaid
assert sum([o.amount for o in return_outputs]) == 2
@pytest.mark.asyncio
async def test_check_proof_state(wallet1: Wallet, ledger: Ledger):
invoice = await wallet1.request_mint(64)
pay_if_regtest(invoice.bolt11)
await wallet1.mint(64, id=invoice.id)
keep_proofs, send_proofs = await wallet1.split_to_send(wallet1.proofs, 10)
proof_states = await ledger.db_read.get_proofs_states(Ys=[p.Y for p in send_proofs])
assert all([p.state.value == "UNSPENT" for p in proof_states])
# TODO: test keeps running forever, needs to be fixed
# @pytest.mark.asyncio
# async def test_websocket_quote_updates(wallet1: Wallet, ledger: Ledger):
# invoice = await wallet1.request_mint(64)
# ws = websocket.create_connection(
# f"ws://localhost:{SERVER_PORT}/v1/quote/{invoice.id}"
# )
# await asyncio.sleep(0.1)
# pay_if_regtest(invoice.bolt11)
# await wallet1.mint(64, id=invoice.id)
# await asyncio.sleep(0.1)
# data = str(ws.recv())
# ws.close()
# n_lines = len(data.split("\n"))
# assert n_lines == 1