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invoice: allow creation of giant invoices.

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https://github.com/lightningnetwork/lightning-rfc/pull/877 talks about
removing this restriction (only Electrum actually enforced it on
receive), so start by allowing creation of giant invoices, though
we mark them as requiring mpp.

Changelog-Changed: JSON-RPC: `invoice` now allows creation of giant invoices (>= 2^32 msat)
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2021-06-17 15:10:19 +09:30
parent 1643a61499
commit 50ebdfb5e8
2 changed files with 16 additions and 11 deletions
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6
tests/test_invoices.py
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@@ -54,9 +54,9 @@ def test_invoice(node_factory, chainparams):
assert 'routes' not in b11
assert 'warning_capacity' in inv
# Make sure no wumbo invoices
with pytest.raises(RpcError, match=r'msatoshi cannot exceed 4294967295msat'):
l2.rpc.invoice(4294967295 + 1, 'inv3', '?')
# Make sure wumbo invoices warn about mpp being needed.
inv = l2.rpc.invoice(4294967295 + 1, 'inv4', '?')
assert 'warning_mpp' in inv
l2.rpc.invoice(4294967295, 'inv3', '?')
# Test cltv option.