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from pyln.proto import Invoice
from decimal import Decimal
from bitstring import ConstBitStream
import binascii
def test_decode():
i = 'lnbcrt1u1p0zyt04pp5wcnjhxu4k98td0kw8ng9zqrd3246cc7r559a063tk5mp9v9fxf9sdpqw3jhxazlwpshjhmjda6hgetzdahhxapjxqyjw5qcqp9sp5asxa9pwxt6yuse5egtcna8gezazr657chz72qfzztsthxwnwj0yqr9yqdwjkyvjm7apxnssu4qgwhfkd67ghs6n6k48v6uqczgt88p6tky96qqqdcqqqqgqqyqqqqlgqqqqqzsqqcpc9njea0cche7cgemu9c6lyv55hxvjem9f2jgle799d3kt9kw7rxgqqphqqqqzqqqsqqqraqqqqqq2qqrq9qy9qsqfm47uq6ny374m22dxw7p6j8c0khj4tspjcj78l33vf6qv8grhknsmw6slxxucpvxv5s9464qfng8324sagn8g8ng3uuh4d2vdpnmsdgqyqhn4k'
inv = Invoice.decode(i)
assert(inv.hexpubkey == '032cf15d1ad9c4a08d26eab1918f732d8ef8fdc6abb9640bf3db174372c491304e')
assert(inv.hexpaymenthash == '76272b9b95b14eb6bece3cd051006d8aabac63c3a50bd7ea2bb53612b0a9324b')
assert(inv.min_final_cltv_expiry == 5)
assert(inv.amount == Decimal('0.000001'))
assert(inv.featurebits == ConstBitStream('0x28200'))
print(inv)
def test_encode():
inv = Invoice(paymenthash=binascii.unhexlify("76272b9b95b14eb6bece3cd051006d8aabac63c3a50bd7ea2bb53612b0a9324b"),
amount=Decimal('0.000001'),
tags=[('d', 'test_pay_routeboost2'),
('x', 604800)],
date=1579298293)
privkey = 'c28a9f80738f770d527803a566cf6fc3edf6cea586c4fc4a5223a5ad797e1ac3'
i = inv.encode(privkey)
assert(i == 'lnbc1u1p0zyt04pp5wcnjhxu4k98td0kw8ng9zqrd3246cc7r559a063tk5mp9v9fxf9sdpqw3jhxazlwpshjhmjda6hgetzdahhxapjxqyjw5q0s43wfg4f6yl200hc805kc9u97dp7m6j98fz33uzf4t6kp73trcz8fxkrpass063j2j4quxjr4th2r72lk27tm2aw383zgnl8zpgajsq5kmll8')