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authorBryan Newbold <bnewbold@robocracy.org>2018-06-09 17:02:48 -0700
committerBryan Newbold <bnewbold@robocracy.org>2018-06-09 17:04:10 -0700
commitcd63b38db932753822236608035b9784c01b9726 (patch)
tree6445f333eb01a8d622c48c3e620aaf0dd7d947ed /proposals
parent4d83bebadd487d581388a4fa49aab142f35dc6de (diff)
downloaddat-deps-cd63b38db932753822236608035b9784c01b9726.tar.gz
dat-deps-cd63b38db932753822236608035b9784c01b9726.zip
hypercore DEP: clarify root re-hashing paragraphclarify-hypercore-root-hashes
This is my solution to PR 16 (https://github.com/datprotocol/DEPs/pull/16) Thanks to @bcomnes for proposing and @pfrazee for discussion.
Diffstat (limited to 'proposals')
-rw-r--r--proposals/0002-hypercore.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/proposals/0002-hypercore.md b/proposals/0002-hypercore.md
index bafcedb..5469cbb 100644
--- a/proposals/0002-hypercore.md
+++ b/proposals/0002-hypercore.md
@@ -171,7 +171,7 @@ The nodes in this tree would be calculated as follows:
10 = h(chunk5)
```
-In the Hypercore feed, we only want one active root. Therefore, when there are multiple roots we hash all the roots together again. At most there will be `log2(number of data blocks)`.
+It is convenient to capture the state of the Hypercore feed as a whole with a fixed-size hash, regardless of how many root hashes there are. This is achieved by always re-hashing all the individual root hashes together into a single hash value. At most there will be `log2(number of data blocks)` such individual root hashes to re-hash.
```
root = h(9 + 3)