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Clean up banning levels

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Compared with previous bans, the following changes are made:
 * Txn with empty vin/vout or null prevouts move from 10 DoS
   points to 100.
 * Loose transactions with a dependency loop now result in a ban
   instead of 10 DoS points.
 * Many pre-segwit soft-fork errors now result in a ban.
   Note: Transactions that violate soft-fork script flags since P2SH do not generally
   result in a ban. Also, banning behavior for invalid blocks is dependent on
   whether the node is validating with multiple script check threads, due to a long-
   standing bug. That inconsistency is still present after this commit.
 * Proof of work failure moves from 50 DoS points to a ban.
 * Blocks with timestamps under MTP now result in a ban, blocks
   too far in the future continue to *not* result in a ban.
 * Inclusion of non-final transactions in a block now results in a
   ban instead of 10 DoS points.

Co-authored-by: Anthony Towns <aj@erisian.com.au>
This commit is contained in:
Matt Corallo
2019-01-23 15:14:16 -05:00
committed by Suhas Daftuar
parent b8b4c80146
commit 7b999103e2
5 changed files with 17 additions and 17 deletions
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4
test/functional/data/invalid_txs.py
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@ -58,7 +58,7 @@ class BadTxTemplate:
class OutputMissing(BadTxTemplate):
reject_reason = "bad-txns-vout-empty"
expect_disconnect = False
expect_disconnect = True
def get_tx(self):
tx = CTransaction()
@ -69,7 +69,7 @@ class OutputMissing(BadTxTemplate):
class InputMissing(BadTxTemplate):
reject_reason = "bad-txns-vin-empty"
expect_disconnect = False
expect_disconnect = True
def get_tx(self):
tx = CTransaction()