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Date: Wed, 2 Nov 2022 05:26:27 -0400
From: Peter Todd <pete@petertodd.org>
To: bitcoin-dev@lists.linuxfoundation.org
Message-ID: <Y2I3w8O5X55sD/3C@petertodd.org>
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Subject: [bitcoin-dev] Announcement: Full-RBF Miner Bounty
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I'm now running a full-RBf bounty program for miners.
tl;dr: I'm broadcasting full-RBF replacements paying extremely high fees to
reward miners that turn on full-RBF. I'm starting small, just ~$100/block in
times of congestion. Miner and pool profit margins are pretty small, on the
order of $1k/block in many cases, so I know it doesn't take that much more
money to make a difference.
Why should you do this? Full-RBF/zeroconf has been discussed to death. But
tl;dr: You'll earn more money, and help transition Bitcoin to a more secure
mempool policy based on economic incentives rather than trust.
If you're a miner and want to participate, the easiest way to so is to use =
the
mempoolfullrbf=3D1 option in the upcoming Bitcoin Core v24 release (eg the
24.0rc3 tag), or use the mempoolreplacement=3Dfee option in Bitcoin Knots.
You can also just modify the code yourself by removing the opt-in RBF check.
For example against the v23.0 tag:
$ git diff
diff --git a/src/validation.cpp b/src/validation.cpp
index 214112e2b..44c364623 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -736,7 +736,7 @@ bool MemPoolAccept::PreChecks(ATMPArgs& args, Works=
pace& ws)
// check all unconfirmed ancestors; otherwise an opt-i=
n ancestor
// might be replaced, causing removal of this descenda=
nt.
if (!SignalsOptInRBF(*ptxConflicting)) {
- return state.Invalid(TxValidationResult::TX_MEMPOO=
L_POLICY, "txn-mempool-conflict");
+ // return state.Invalid(TxValidationResult::TX_MEM=
POOL_POLICY, "txn-mempool-conflict");
}
=20
ws.m_conflicts.insert(ptxConflicting->GetHash());
Once you've enabled full-RBF, you need a full-RBF peer. I'm running a few of
them:
cup.nop.lol
mug.nop.lol
jar.nop.lol
jug.nop.lol
These nodes run a preferential peering patch (https://github.com/bitcoin/bi=
tcoin/pull/25600)
to ensure that full-RBF nodes are interconnected to each other and replacem=
ents
can easily propagate. Also feel free to contact me if you'd like to peer wi=
th a
private node.
If you'd like to donate to this effort, send BTC to
bc1qagmufdn6rf80kj3faw4d0pnhxyr47sevp3nj9m
=2E..and yes, I'm well aware that miners could collect this bounty in other=
ways,
eg by raising minimum fees. Doing that also breaks zeroconf, so I'm not too
concerned.
--=20
https://petertodd.org 'peter'[:-1]@petertodd.org
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