diff options
| author | Tom Harding <tomh@thinlink.com> | 2017-05-06 12:29:54 -0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@bloq.com> | 2017-05-06 12:29:54 -0400 |
| commit | 7c23bf14ee14beb8339b26914475cb50c95465e8 (patch) | |
| tree | 16a5fa5b67d59ef8655bc32e9b55f1caef34ca24 /bip-0100.mediawiki | |
| parent | 7ea5bfccde202b523738a26278afc746fdbf5aa4 (diff) | |
bip100: Clarifications
Diffstat (limited to 'bip-0100.mediawiki')
| -rw-r--r-- | bip-0100.mediawiki | 19 |
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. |