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remove requirement for root "x" tag

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hzrd149
2025-11-25 08:53:51 -06:00
parent d05228aae1
commit 2e4c3a0349
1 changed files with 2 additions and 50 deletions
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buds/12.md
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@@ -12,8 +12,6 @@ The client MAY break large blobs into any number or size of chunks. although its
Clients MUST NOT pad the remaining chunk, If clients need privacy they should use random chunk sizes and optionally encrypt the large blob Clients MUST NOT pad the remaining chunk, If clients need privacy they should use random chunk sizes and optionally encrypt the large blob
Clients MUST create a merkle tree using the chunk hashes as the leaf nodes
### Publishing ### Publishing
Clients should publish a `2001` kind event after chunking the file in order to store the list of chunks Clients should publish a `2001` kind event after chunking the file in order to store the list of chunks
@@ -34,49 +32,6 @@ The `content` field MUST be a human readable description of the chunked file
} }
``` ```
The event MUST have an `x` tag with the sha256 hash of the ordered concatenated hashes of each chunk
Example using `xxd` and `sha256sum`:
```bash
#!/bin/bash
hashes=(
"7e668b56a58c7891e0cf263ea3f093b75eebade23d663a45aa9920f347b3d671"
"9b9c44a91396f19fd8700986eb0586dff2dcccf96c75bc2caefef302bcd78da1"
"7a281548f1223664b855b10b08e59e84389ccabeb742517f6cd75eda2724a798"
"fadeccee86b123088bbc452df10e8fbc99d4c2f22a70ef7a35605ec8e439c345"
"5d62398419e6d136771541f3d2215e0ce31b1be45e99dbc64b43a4b734b447ca"
)
concatenated=""
for hex in "${hex_array[@]}"; do
concatenated="${concatenated}${hex}"
done
echo "Chunks:"
printf '%s\n' "${hex_array[@]}"
echo -e "\nConcatenated:"
echo "$concatenated"
echo -e "\nRoot hash:"
echo "$concatenated" | xxd -r -p | sha256sum
```
The final `chunk` tags and `x` tag should look something like this
```json
{
"tags": [
[ "chunk", "7e668b56a58c7891e0cf263ea3f093b75eebade23d663a45aa9920f347b3d671"],
[ "chunk", "9b9c44a91396f19fd8700986eb0586dff2dcccf96c75bc2caefef302bcd78da1"],
[ "chunk", "7a281548f1223664b855b10b08e59e84389ccabeb742517f6cd75eda2724a798"],
[ "chunk", "fadeccee86b123088bbc452df10e8fbc99d4c2f22a70ef7a35605ec8e439c345"],
[ "chunk", "5d62398419e6d136771541f3d2215e0ce31b1be45e99dbc64b43a4b734b447ca"],
[ "x", "2d839865ac17d8bb10168490a88107637619f79dac21275fcec1705162581f39" ],
]
}
```
### Metadata ### Metadata
The `2001` event MAY include additional metadata tags to help other clients know the filename, mime type or servers to download from The `2001` event MAY include additional metadata tags to help other clients know the filename, mime type or servers to download from
@@ -92,25 +47,22 @@ Metadata tags:
Example `2001` event Example `2001` event
```json ```json
{ {
"id": "fd2f4da046851170576e7a09009e63f752dc469c61a24faca514b2cedfe641aa",
"pubkey": "5328e6c743a50271745e16476590ba7ea3dc591c65f3a5e2b03430814c1dabc0", "pubkey": "5328e6c743a50271745e16476590ba7ea3dc591c65f3a5e2b03430814c1dabc0",
"created_at": 1731405194, "created_at": 1731405194,
"kind": 2001, "kind": 2001,
"content": "Here is the original version", "content": "Large zip archive of documents",
"tags": [ "tags": [
[ "chunk", "7e668b56a58c7891e0cf263ea3f093b75eebade23d663a45aa9920f347b3d671"], [ "chunk", "7e668b56a58c7891e0cf263ea3f093b75eebade23d663a45aa9920f347b3d671"],
[ "chunk", "9b9c44a91396f19fd8700986eb0586dff2dcccf96c75bc2caefef302bcd78da1"], [ "chunk", "9b9c44a91396f19fd8700986eb0586dff2dcccf96c75bc2caefef302bcd78da1"],
[ "chunk", "7a281548f1223664b855b10b08e59e84389ccabeb742517f6cd75eda2724a798"], [ "chunk", "7a281548f1223664b855b10b08e59e84389ccabeb742517f6cd75eda2724a798"],
[ "chunk", "fadeccee86b123088bbc452df10e8fbc99d4c2f22a70ef7a35605ec8e439c345"], [ "chunk", "fadeccee86b123088bbc452df10e8fbc99d4c2f22a70ef7a35605ec8e439c345"],
[ "chunk", "5d62398419e6d136771541f3d2215e0ce31b1be45e99dbc64b43a4b734b447ca"], [ "chunk", "5d62398419e6d136771541f3d2215e0ce31b1be45e99dbc64b43a4b734b447ca"],
[ "x", "2d839865ac17d8bb10168490a88107637619f79dac21275fcec1705162581f39" ],
[ "name", "example.mp4" ], [ "name", "example.mp4" ],
[ "mime", "video/mp4" ], [ "mime", "video/mp4" ],
[ "size", "4823449" ], [ "size", "4823449" ],
[ "server", "https://cdn.example.com" ], [ "server", "https://cdn.example.com" ],
[ "server", "https://nostr.download" ] [ "server", "https://nostr.download" ]
], ]
"sig": "cd589a4ea702185c69d1fec93a7704265071b674c5708a1da04d08bcba873f5277bc0abb379cbb014852fafa2ac951ed49abbdba60028a4f02ef4e31ff2599cb"
} }
``` ```