Reference Script for 011 Examples

This script generates the examples used in 011-PACKETS-BASIC-EXAMPLE.md.
#!/bin/bash -e

blob_msg="# HPPR Quickstart

HPPR packets are content-addressed using BLAKE3.
This Blob contains raw markdown data."

plex_msg="# Plex
This is a plex packet with metadata and links."

seal_msg="# Seal
This is a signed packet that wraps a plex packet."

# Deterministic test-only signatures.
export _UNSAFE_VULNERABLE_HPP_HSB3_DETERMINISTIC_AUX_SEED="examples"
export HPPR_SECRET_KEY="&.ydejWAbshBxyrcKILG3bXkD7fU5c72LtHvLJRfzGXal.H3"
tai="1640995200:000000000"

out="./spec/011-PACKETS-BASIC-EXAMPLE.md"

# Blob
echo -n "$blob_msg" | mkpac --blob > "$out"
blob_hash=$(head -n 1 "$out" | awk '{print $2}')

# Plex
echo -n "$plex_msg" | mkpac \
  -g a-group \
  -a some-app \
  -l our-collection/item \
  -t "$tai" \
  -H "+Link: source $blob_hash" \
  -H "X-Custom: header value" \
  -H "Multiple-Values: B" \
  -H "Multiple-Values: A" \
  >> "$out"

# Seal
echo -n "$seal_msg" | mkpac \
  -k "$HPPR_SECRET_KEY" \
  -g a-group \
  -a some-app \
  -l our-collection/item \
  -t "$tai" \
  >> "$out"