From: Melvin Carvalho <melvincarvalho@gmail•com>
To: Antoine Poinsot <darosior@protonmail•com>
Cc: Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
Subject: Re: [bitcoindev] Unbreaking testnet4
Date: Tue, 18 Mar 2025 22:34:25 +0100 [thread overview]
Message-ID: <CAKaEYhKwsLHfv0gYQYZ9MnDVPyQTN6jAfzShaKkS=k2fDfMq0A@mail.gmail.com> (raw)
In-Reply-To: <hU75DurC5XToqizyA-vOKmVtmzd3uZGDKOyXuE_ogE6eQ8tPCrvX__S08fG_nrW5CjH6IUx7EPrq8KwM5KFy9ltbFBJZQCHR2ThoimRbMqU=@protonmail.com>
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út 18. 3. 2025 v 22:24 odesílatel 'Antoine Poinsot' via Bitcoin Development
Mailing List <bitcoindev@googlegroups.com> napsal:
> Hi,
>
> Testnet4 was rolled out a year ago to address the shortcomings of
> testnet3. One of those shortcomings was the difficulty reset creating
> havoc. [0] In spite of this a similar rule was adopted for testnet4. [1] As
> a result, testnet4 is similarly creating havoc. [2]
>
> The goal of testnet is to mimic the Bitcoin mainnet. This is why it is
> useful to have in addition to a more control testing environment such as
> Signet.
>
> The given rationale for a difficulty reset was to let developers
> occasionally mine blocks on their laptop. But you cannot have your cake and
> eat it too: either the network is permissionless (PoW) or you assign
> identities and privileges to some (Signet). By trying to do both at the
> same time testnet4 created a loophole for abuse. As a result it failed on
> both count: it neither mimics mainnet nor allows developers to mine active
> blocks on their laptop.
>
> I propose to fix this by removing the difficulty reset rule from testnet4
> through a flag day hard fork on 2026-01-01. I picked a date well in the
> future to minimize disruption. This leaves enough time for a patch to be
> reviewed, merged, included in the next major Bitcoin Core release,
> backported to previous releases and adopted by the infrastructure running
> on testnet4. That should be enough for a test network.
>
> Let me know what you think,
>
+1 I think this is a great idea. I can dedicate some resources to it, such
as review, running a node, contributing some hash, if necessary, and a
decentralized faucet (that anyone can run) that I've been working on
> Antoine
>
> [0]
> https://gnusha.org/pi/bitcoindev/CADL_X_eXjbRFROuJU0b336vPVy5Q2RJvhcx64NSNPH-3fDCUfw@mail.gmail.com
> [1]
> https://github.com/bitcoin/bips/blob/master/bip-0094.mediawiki#rule-specification
> [2] https://fork.observer - pick the network on the top right corner
>
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next prev parent reply other threads:[~2025-03-20 0:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-18 14:29 'Antoine Poinsot' via Bitcoin Development Mailing List
2025-03-18 21:34 ` Melvin Carvalho [this message]
2025-03-19 7:01 ` [bitcoindev] " Garlo Nicon
2025-03-19 7:56 ` [bitcoindev] " Sjors Provoost
2025-03-19 8:43 ` Garlo Nicon
2025-03-19 8:32 ` Sjors Provoost
2025-03-19 9:11 ` Melvin Carvalho
2025-03-19 17:03 ` bitcoin-dev-ml.void867 via Bitcoin Development Mailing List
2025-03-20 18:58 ` Melvin Carvalho
2025-03-21 21:20 ` Murch
2025-03-24 7:00 ` Garlo Nicon
2025-03-31 7:32 ` Saint Wenhao
2025-03-24 12:25 ` Murch
2025-03-24 13:57 ` 'Antoine Poinsot' via Bitcoin Development Mailing List
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