func NewAdminBlock(prev interfaces.IAdminBlock) interfaces.IAdminBlock {
block := new(AdminBlock)
block.Header = new(ABlockHeader)
if prev != nil {
block.Header.SetPrevBackRefHash(primitives.NewZeroHash())
block.Header.SetDBHeight(prev.GetDBHeight() + 1)
} else {
block.Header.SetPrevBackRefHash(primitives.NewZeroHash())
}
return block
}
func (list *DBStateList) NewDBState(isNew bool,
directoryBlock interfaces.IDirectoryBlock,
adminBlock interfaces.IAdminBlock,
factoidBlock interfaces.IFBlock,
entryCreditBlock interfaces.IEntryCreditBlock,
eBlocks []interfaces.IEntryBlock,
entries []interfaces.IEBEntry) *DBState {
dbState := new(DBState)
dbState.DBHash = directoryBlock.DatabasePrimaryIndex()
dbState.ABHash = adminBlock.DatabasePrimaryIndex()
dbState.FBHash = factoidBlock.DatabasePrimaryIndex()
dbState.ECHash = entryCreditBlock.DatabasePrimaryIndex()
dbState.isNew = isNew
dbState.DirectoryBlock = directoryBlock
dbState.AdminBlock = adminBlock
dbState.FactoidBlock = factoidBlock
dbState.EntryCreditBlock = entryCreditBlock
dbState.EntryBlocks = eBlocks
dbState.Entries = entries
// If we actually add this to the list, return the dbstate.
if list.Put(dbState) {
return dbState
}
// Failed, so return nil
return nil
}
func (c *DirectoryBlock) SetABlockHash(aBlock interfaces.IAdminBlock) error {
hash := aBlock.DatabasePrimaryIndex()
c.SetEntryHash(hash, aBlock.GetChainID(), 0)
return nil
}
func CheckBlockPairIntegrity(block interfaces.IAdminBlock, prev interfaces.IAdminBlock) error {
if block == nil {
return fmt.Errorf("No block specified")
}
if prev == nil {
if block.GetHeader().GetPrevBackRefHash().IsZero() == false {
return fmt.Errorf("Invalid PrevBackRefHash")
}
if block.GetHeader().GetDBHeight() != 0 {
return fmt.Errorf("Invalid DBHeight")
}
} else {
if block.GetHeader().GetPrevBackRefHash().IsSameAs(prev.GetHash()) == false {
return fmt.Errorf("Invalid PrevBackRefHash")
}
if block.GetHeader().GetDBHeight() != (prev.GetHeader().GetDBHeight() + 1) {
return fmt.Errorf("Invalid DBHeight")
}
}
return nil
}