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ln: qt channel open: fix max channel size

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SomberNight 2019-11-20 17:45:28 +01:00
parent ae04434206
commit cd9477c0da
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GPG key ID: B33B5F232C6271E9
2 changed files with 8 additions and 2 deletions
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8
electrum/gui/qt/channels_list.py
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@ -202,6 +202,12 @@ class ChannelsList(MyTreeView):
remote_nodeid.setCursorPosition(0) remote_nodeid.setCursorPosition(0)
if not d.exec_(): if not d.exec_():
return return
funding_sat = '!' if max_button.isChecked() else amount_e.get_amount() if max_button.isChecked() and amount_e.get_amount() < LN_MAX_FUNDING_SAT:
# if 'max' enabled and amount is strictly less than max allowed,
# that means we have fewer coins than max allowed, and hence we can
# spend all coins
funding_sat = '!'
else:
funding_sat = amount_e.get_amount()
connect_str = str(remote_nodeid.text()).strip() connect_str = str(remote_nodeid.text()).strip()
self.parent.open_channel(connect_str, funding_sat, 0) self.parent.open_channel(connect_str, funding_sat, 0)

2
electrum/lnutil.py
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@ -27,7 +27,7 @@ if TYPE_CHECKING:
HTLC_TIMEOUT_WEIGHT = 663 HTLC_TIMEOUT_WEIGHT = 663
HTLC_SUCCESS_WEIGHT = 703 HTLC_SUCCESS_WEIGHT = 703
LN_MAX_FUNDING_SAT = pow(2, 24) LN_MAX_FUNDING_SAT = pow(2, 24) - 1
# dummy address for fee estimation of funding tx # dummy address for fee estimation of funding tx
def ln_dummy_address(): def ln_dummy_address():