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authorTom Harding <tomh@thinlink.com>2017-05-06 12:29:54 -0400
committerJeff Garzik <jeff@bloq.com>2017-05-06 12:29:54 -0400
commit7c23bf14ee14beb8339b26914475cb50c95465e8 (patch)
tree16a5fa5b67d59ef8655bc32e9b55f1caef34ca24 /bip-0100.mediawiki
parent7ea5bfccde202b523738a26278afc746fdbf5aa4 (diff)
downloadbips-7c23bf14ee14beb8339b26914475cb50c95465e8.tar.xz
bip100: Clarifications
Diffstat (limited to 'bip-0100.mediawiki')
-rw-r--r--bip-0100.mediawiki19
1 files changed, 12 insertions, 7 deletions
diff --git a/bip-0100.mediawiki b/bip-0100.mediawiki
index ceb24ad..6b322d0 100644
--- a/bip-0100.mediawiki
+++ b/bip-0100.mediawiki
@@ -5,6 +5,7 @@
Author: Jeff Garzik <jgarzik@gmail.com>
Tom Harding <tomh@thinlink.com>
Dagur Valberg Johannsson <dagurval@pvv.ntnu.no>
+ Comments-Summary: No comments yet.
Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0100
Status: Draft
Type: Standards Track
@@ -41,20 +42,22 @@ The system is compatible with emergent consensus, but whereas under that system
### The votes of the previous 2016 blocks are sorted by megabyte vote.
### Raising <code>hardLimit</code><br /><br />
#### The <code>raise value</code> is defined as the vote of the 1512th highest block, converted to bytes.
-#### If the resultant <code>raise value</code> is greater than (<code>current hardLimit</code> * 1.05) rounded down to the nearest byte, it is set to that value.
+#### If the resultant <code>raise value</code> is greater than (<code>current hardLimit</code> * 1.05) rounded down, it is set to that value.
#### If the resultant <code>raise value</code> is greater than <code>current hardLimit</code>, the <code>raise value</code> becomes the <code>new hardLimit</code> and the recalculation is complete.<br /><br />
-### Lowering <code>hardlimit</code><br /><br />
+### Lowering <code>hardLimit</code><br /><br />
#### The <code>lower value</code> is defined as the vote of the 1512th lowest block, converted to bytes.
-#### If the resultant <code>lower value</code> is less than (<code>current hardLimit</code> / 1.05) rounded down to the nearest byte, it is set to that value.
+#### If the resultant <code>lower value</code> is less than (<code>current hardLimit</code> / 1.05) rounded down, it is set to that value.
#### If the resultant <code>lower value</code> is less than <code>current hardLimit</code>, the <code>lower value</code> becomes the <code>new hardLimit</code> and the recalculation is complete.<br /><br />
### Otherwise, <code>new hardLimit</code> remains the same as <code>current hardLimit</code>.
===Signature Hashing Operations Limits===
-# The per-block signature hashing operations limit is scaled to (actual block size rounded up to nearest megabyte)/50.
+# The per-block signature hashing operations limit is scaled to (actual block size, fractional megabyte rounded to next higher megabyte) / 50.
# A maximum serialized transaction size of 1000000 bytes is imposed.
+==Recommendations==
+
===Publication of <code>hardLimit</code>===
-# For the benefit of emergent consensus nodes, <code>hardLimit</code> is published. Example: a complete coinbase string might read <br /><br /><code>/BIP100/B8/EB2.123456/</code><br /><br /> which indicates a vote for 8M maximum block size, and an enforced <code>hardLimit</code> of 2.123456 megabytes for the block containing the coinbase string.
+# For the benefit of all observers, it is recommended that <code>hardLimit</code> be published. Example: a complete coinbase string might read <br /><br /><code>/BIP100/B8/EB2.123456/</code><br /><br /> which indicates a vote for 8M maximum block size, and an enforced <code>hardLimit</code> of 2.123456 megabytes for the block containing the coinbase string.
==Deployment==
@@ -64,8 +67,10 @@ This BIP is presumed deployed and activated as of block height 449568 by impleme
The first block larger than 1M will create a network partition, as nodes with a fixed 1M hard limit reject that block.
-==Reference Implementation==
-https://github.com/bitcoinxt/bitcoinxt/pull/188
+==Implementations==
+https://github.com/bitcoinxt/bitcoinxt/pull/188</br>
+https://github.com/bitcoinxt/bitcoin/pull/1</br>
+https://github.com/BitcoinUnlimited/BitcoinUnlimited/pull/398</br>
==Copyright==
This document is licensed under the BSD 2-clause license.