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MIP-4 : BIP9 Upgrade Activation Time

Number:  MIP-4
Title:   BIP9 Upgrade Activation Time 
Type:    Standard
Status:  Final
Authors: nibbles <keith@metrixcoin.com>
         seqSEE <sarah@sqdmc.net>
         squidicuz <squid@sqdmc.net>
Created: 2023-05-25

Abstract

This MIP corrects the BIP9 activation time to be ~1 week rather than ~2 days.

Motivation

BIP9 is a Bitcoin standard and takes ~2 weeks to activate. On Metrix the same amount of blocks required to activate a BIP9 proposal is ~2 days. The difference in blocktime between Bitcoin and Metrix was not considered when this was implemented, so it should be corrected.

This will ensure that future BIP9 activations happen in the expected amount of time which is more reasonable for holders and miners.

Upgrade BIP9 System

Update consensus.nRuleChangeActivationThreshold

Currently nRuleChangeActivationThreshold which is a number of blocks is set to 1916. It will be changed to 6384 to be 95% of the blocks in approximately 1 week ((960 * 7 * 95) / 100).

Update nMinerConfirmationWindow

Currently nMinerConfirmationWindow which is a number of blocks is set to 2016. It will be changed to 6720 to be approximately 1 week (960 * 7).

References

bip-0009

Bitcoin Core

MIPs Discussion