Add a new checkpoint at block 279,000 #3551

pull Michagogo wants to merge 2 commits into bitcoin:master from Michagogo:checkpoint-279000 changing 3 files +7 −6

Michagogo commented at 12:36 PM on January 17, 2014: contributor

Perhaps we want to wait another 37 blocks or so before merging this, but I figured, may as well get the change ready in advance...
jgarzik commented at 12:43 PM on January 17, 2014: contributor

We can merge anytime. It will only impact a few, until release.
gavinandresen commented at 2:54 PM on January 17, 2014: contributor

Did you check to make sure there are no blocks before block 279,000 with a timestamp after the timestamp of the checkpoint, and there is no block after with a timestamp before?
bardiharborow commented at 8:32 AM on January 18, 2014: contributor

@Michagogo, @gavinandresen, just recently I was thinking about this but the timestamp requirements scared me off. Why don't we make a program that automatically checks the timestamp requirements?
laanwj commented at 11:01 AM on January 18, 2014: member

@bardiharborow Yes such as script would be useful, please do
sipa commented at 5:10 PM on January 18, 2014: member

ACK. Numbers are correct, and timestamps around block 279000 are strictly increasing.
Michagogo commented at 7:27 PM on January 18, 2014: contributor

@gavinandresen I see that @sipa already mentioned it, but yes, I did check that before putting this block in the PR. (that's what I was referring to in the commit message for ~~ffb5e48~~ e7906d1)

Add a new checkpoint at block 279,000

From a cursory glance, it looks like block 279,000 meets the criteria for
a checkpoint block, and it's also what the bootstrap.dat torrent is at. This closes #3530.

e7906d18cf

Update linearize.py defaults to block 279,000 6873cfb6c0
Michagogo commented at 7:55 PM on January 18, 2014: contributor

Rebased.
BitcoinPullTester commented at 8:16 PM on January 18, 2014: none

Automatic sanity-testing: PASSED, see http://jenkins.bluematt.me/pull-tester/6873cfb6c0efaeb645ef0a7074651623bb4bec82 for binaries and test log. This test script verifies pulls every time they are updated. It, however, dies sometimes and fails to test properly. If you are waiting on a test, please check timestamps to verify that the test.log is moving at http://jenkins.bluematt.me/pull-tester/current/ Contact BlueMatt on freenode if something looks broken.
bardiharborow commented at 10:53 PM on January 18, 2014: contributor

Ok, block 279,000 is confirmed by 2206 blocks as of the time of writing. Are we ready to merge?
sipa referenced this in commit dd7c1cf534 on Jan 18, 2014
sipa merged this on Jan 18, 2014
sipa closed this on Jan 18, 2014
Michagogo deleted the branch on Jan 19, 2014
DrahtBot locked this on Sep 8, 2021

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