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bcli: become less aggressive with onchain fee levels.

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Users are more upset recently with the cost of unilateral closes
than they are the risk of being cheated.  While we complete our
anchor implementation so we can use low fees there, let's
get less aggressive (we already have 34 or 18 blocks to close
in the worst case).

The changes are:

- Commit transactions were "2 CONSERVATIVE" now "6 ECONOMICAL".
- HTLC resolution txs were "3 CONSERVATIVE" now "6 ECONOMICAL".
- Penalty txs were "3 CONSERVATIVE" now "12 ECONOMICAL".
- Normal txs were "4 ECONOMICAL" now "12 ECONOMICAL".

There can be no perfect levels, but we have had understandable
complaints recently about how high our default fee levels are.

Changelog-Changed: Protocol: channel feerates reduced to bitcoind's "6 block ECONOMICAL" rate.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2021-05-04 20:06:11 +09:30
parent 9a22e7b3a1
commit d8e68893f5
6 changed files with 29 additions and 37 deletions
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8
tests/test_closing.py
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@@ -814,7 +814,7 @@ def test_penalty_htlc_tx_fulfill(node_factory, bitcoind, chainparams):
# reconnect with l1, which will fulfill the payment
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
l2.daemon.wait_for_log('got commitsig .*: feerate 15000, 0 added, 1 fulfilled, 0 failed, 0 changed')
l2.daemon.wait_for_log('got commitsig .*: feerate 11000, 0 added, 1 fulfilled, 0 failed, 0 changed')
l2.daemon.wait_for_log('coins payment_hash: {}'.format(sticky_inv['payment_hash']))
# l2 moves on for closed l3
@@ -970,7 +970,7 @@ def test_penalty_htlc_tx_timeout(node_factory, bitcoind, chainparams):
# reconnect with l1, which will fulfill the payment
l2.rpc.connect(l1.info['id'], 'localhost', l1.port)
l2.daemon.wait_for_log('got commitsig .*: feerate 15000, 0 added, 1 fulfilled, 0 failed, 0 changed')
l2.daemon.wait_for_log('got commitsig .*: feerate 11000, 0 added, 1 fulfilled, 0 failed, 0 changed')
l2.daemon.wait_for_log('coins payment_hash: {}'.format(sticky_inv_2['payment_hash']))
# l2 moves on for closed l3
@@ -2000,11 +2000,11 @@ def test_onchain_different_fees(node_factory, bitcoind, executor):
# Both sides should have correct feerate
assert l1.db_query('SELECT min_possible_feerate, max_possible_feerate FROM channels;') == [{
'min_possible_feerate': 5000,
'max_possible_feerate': 16000
'max_possible_feerate': 11000
}]
assert l2.db_query('SELECT min_possible_feerate, max_possible_feerate FROM channels;') == [{
'min_possible_feerate': 5000,
'max_possible_feerate': 16000
'max_possible_feerate': 11000
}]
bitcoind.generate_block(5)