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autosign: die_wrong_num_txs(): cleanup

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The MMGen Project 2025-11-29 09:12:49 +00:00
commit ffbcd2b615
Signed by: mmgen
GPG key ID: 3F8B1861E32B7DA2
1 changed files with 7 additions and 4 deletions
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11
mmgen/autosign.py
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@ -272,13 +272,16 @@ class Signable:
return getattr(self, attrname)
def die_wrong_num_txs(self, tx_type, *, msg=None, desc=None, show_dir=False):
num_txs = len(getattr(self, tx_type))
match len(getattr(self, tx_type)): # num_txs
case 0: subj, suf, pred = ('No', 's', 'present')
case 1: subj, suf, pred = ('One', '', 'already present')
case _: subj, suf, pred = ('More than one', '', 'already present')
die('AutosignTXError', '{m}{a} {b} transaction{c} {d} {e}!'.format(
m = msg + '\n' if msg else '',
a = 'One' if num_txs == 1 else 'More than one' if num_txs else 'No',
a = subj,
b = desc or tx_type,
c = suf(num_txs),
d = 'already present' if num_txs else 'present',
c = suf,
d = pred,
e = f'in ‘{getattr(self.parent, self.dir_name)}’'
if show_dir else 'on removable device'))