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10 Commits

Author SHA1 Message Date
glozow
66559d1a4a [policy] lower default minrelaytxfee and incrementalrelayfee to 100sat/kvB 
Let's say an attacker wants to use/exhaust the network's bandwidth, and
has the choice between renting resources from a commercial provider and
getting the network to "spam" itself it by sending unconfirmed
transactions. We'd like the latter to be more expensive than the former.

The bandwidth for relaying a transaction across the network is roughly
its serialized size (plus relay overhead) x number of nodes. A 1000vB
transaction is 1000-4000B serialized. With 100k nodes, that's 0.1-0.4GB
If the going rate for commercial services is 10c/GB, that's like 1-4c per kvB
of transaction data, so a 1000vB transaction should pay at least $0.04.

At a price of 120k USD/BTC, 100sat is about $0.12. This price allows us
to tolerate a large decrease in the conversion rate or increase in the
number of nodes.

Github-Pull: #33106
Rebased-From: 6da5de58ca
 2025-09-26 10:24:19 -04:00
Hennadii Stepanov
a0473442d1 scripted-diff: Add __file__ argument to BitcoinTestFramework.init() 
-BEGIN VERIFY SCRIPT-
sed -i -e 's/\s*().main\s*()/(__file__).main()/' $(git ls-files test/functional/*.py)
sed -i -e 's/def __init__(self)/def __init__(self, test_file)/' test/functional/test_framework/test_framework.py
-END VERIFY SCRIPT-
 2024-07-16 22:06:47 +01:00
MarcoFalke
fae0b21e6c test: Combine sync_send_with_ping and sync_with_ping 2023-09-05 12:11:10 +02:00
W. J. van der Laan
63c0d0e937 Merge bitcoin/bitcoin#21327: net_processing: ignore transactions while in IBD 
6aed8b7e9b [test] tx processing before and after ibd (glozow)
b9e105b664 [net_processing] ignore all transactions during ibd (glozow)

Pull request description:

  This is basically a mini, IBD-only version of #21224

  Incoming transactions aren't really relevant until we're caught up. That's why we send a giant feefilter and don't send tx getdatas, but we also shouldn't process them if peers send them anyway. Simply ignore them.

ACKs for top commit:
  jnewbery:
    reACK 6aed8b7e9b
  laanwj:
    Code review ACK 6aed8b7e9b

Tree-SHA512: 8e1616bf355f9d0b180bdbc5461f24c757dc5d7bc7bf651470f3b0bffcca5d5e68287106255b5cede2d96b42bce448a0f8c0649de35a530c5e079f7c89c70a35
 2021-11-30 19:09:15 +01:00
MarcoFalke
fac23c2114 scripted-diff: Bump copyright headers 
The previous diff touched most files in ./test/, so bump the headers to
avoid having to touch them again for a bump later.

-BEGIN VERIFY SCRIPT-
./contrib/devtools/copyright_header.py update ./test/
-END VERIFY SCRIPT-
 2021-11-10 11:10:24 +01:00
MarcoFalke
fa974f1f14 scripted-diff: Remove redundant sync_all and sync_blocks 
The sync calls are redundant after a call to generate, because generate
already syncs itself.

-BEGIN VERIFY SCRIPT-
perl -0777 -pi -e 's/(generate[^\n]*\)[^\n]*)(\n|\s)+self.sync_(all|blocks)\([^\)]*\)\n/\1\n/g' $(git grep -l generate ./test)
-END VERIFY SCRIPT-
 2021-11-10 11:10:15 +01:00
glozow
6aed8b7e9b [test] tx processing before and after ibd 
Co-authored-by: Amiti Uttarwar <amiti@uttarwar.org>
 2021-10-28 16:32:41 +01:00
MarcoFalke
fa0b916971 scripted-diff: Use generate* from TestFramework 
-BEGIN VERIFY SCRIPT-
 sed --regexp-extended -i \
     's/((self\.)?(nodes\[[^]]+\]|[a-z_]*(wallet|node)[0-9a-z_]*))\.(generate(|toaddress|block|todescriptor)(\(|, ))/self.\5\1, /g' \
     $(git grep -l generate ./test | grep -v 'test_framework/' | grep -v 'feature_rbf')
-END VERIFY SCRIPT-
 2021-09-02 10:34:35 +02:00
Jon Atack
12410b1feb test: fix intermittent p2p_ibd_txrelay race, add test_framework.py#wait_until 2020-07-19 13:37:54 +02:00
gzhao408
cb31ee01b4 [test] feefilter during and after IBD 
Co-authored-by: Jon Atack <jon@atack.com>
 2020-07-15 16:42:06 -07:00