Module hdk::prelude::header [−][src]
Structs
| AgentValidationPkg | Header for an agent validation package, used to determine whether an agent is allowed to participate in this DNA |
| AppEntryType | Information about a class of Entries provided by the DNA |
| CloseChain | When migrating to a new version of a DNA, this header is committed to the old chain to declare the migration path taken. Currently unused |
| Create | A header which “speaks” Entry content into being. The same content can be referenced by multiple such headers. |
| CreateLink | Declares that a metadata Link should be made between two EntryHashes |
| Delete | Declare that a previously published Header should be nullified and considered deleted. |
| DeleteHeader | Placeholder for future when we want to have deletes on headers Not currently in use. |
| DeleteLink | Declares that a previously made Link should be nullified and considered removed. |
| Dna | The Dna Header is always the first header in a source chain |
| EntryDefIndex | |
| HeaderBuilderCommon | |
| HeaderHashedVec | |
| HeaderHashes | |
| InitZomesComplete | A header which declares that all zome init functions have successfully completed, and the chain is ready for commits. Contains no explicit data. |
| OpenChain | When migrating to a new version of a DNA, this header is committed to the new chain to declare the migration path taken. Currently unused |
| Update | A header which specifies that some new Entry content is intended to be an update to some old Entry. |
| UpdateHeader | Placeholder for future when we want to have updates on headers Not currently in use. |
| ZomeId | this id is an internal reference, which also serves as a canonical ordering for zome initialization. The value should be auto-generated from the Zome Bundle def |
Enums
| EntryType | Allows Headers which reference Entries to know what type of Entry it is referencing. Useful for examining Headers without needing to fetch the corresponding Entries. |
| Header | Header contains variants for each type of header. |
| HeaderType | A unit enum which just maps onto the different Header variants, without containing any extra data |
Traits
| HeaderBuilder | Builder for non-genesis Headers |
| HeaderInner | A trait to specify the common parts of a Header |
Type Definitions
| HeaderHashed |