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test: wallet: Warning for excessive fallback fee.

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David Gumberg
2026-01-22 13:05:51 -08:00
parent 6664e41e56
commit 3dcdb2b9ba
1 changed files with 9 additions and 0 deletions
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9
test/functional/wallet_fallbackfee.py
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@@ -61,6 +61,15 @@ class WalletFallbackFeeTest(BitcoinTestFramework):
self.sending_succeeds(node)
self.stop_node(0, expected_stderr='')
# Starting a node with a large fallback fee set...
excessive_fallback = HIGH_TX_FEE_PER_KB + Decimal('0.00000001')
self.start_node(0, extra_args=[f"-fallbackfee={excessive_fallback}"])
# ...works...
self.sending_succeeds(node)
# ...but results in a warning message.
expected_error = "Warning: -fallbackfee is set very high! This is the transaction fee you may pay when fee estimates are not available."
self.stop_node(0, expected_stderr=expected_error)
if __name__ == '__main__':
WalletFallbackFeeTest(__file__).main()