Class OracleQuote

Decodes oracle quote data from the Ed25519 instruction sysvar buffer

The instruction data format is:

1. count (1 byte) - number of signatures
2. padding (1 byte)
3. signature offsets (14 bytes each)
4. signatures (64 bytes each)
5. pubkeys (32 bytes each)
6. message (variable length):
   • signed_slothash (32 bytes)
   • feed_infos (49 bytes each): feed_hash (32) + value (16) + min_oracle_samples (1)
7. oracle indexes (1 byte each)
8. recent_slot (8 bytes, u64 LE)
9. version (1 byte, u8)
10. discriminator (4 bytes, "SBOD")