func CheckBlockPairIntegrity(block interfaces.IDirectoryBlock, prev interfaces.IDirectoryBlock) error {
if block == nil {
return fmt.Errorf("No block specified")
}
if prev == nil {
if block.GetHeader().GetPrevKeyMR().IsZero() == false {
return fmt.Errorf("Invalid PrevKeyMR")
}
if block.GetHeader().GetPrevFullHash().IsZero() == false {
return fmt.Errorf("Invalid PrevFullHash")
}
if block.GetHeader().GetDBHeight() != 0 {
return fmt.Errorf("Invalid DBHeight")
}
} else {
if block.GetHeader().GetPrevKeyMR().IsSameAs(prev.GetKeyMR()) == false {
return fmt.Errorf("Invalid PrevKeyMR")
}
if block.GetHeader().GetPrevFullHash().IsSameAs(prev.GetFullHash()) == false {
return fmt.Errorf("Invalid PrevFullHash")
}
if block.GetHeader().GetDBHeight() != (prev.GetHeader().GetDBHeight() + 1) {
return fmt.Errorf("Invalid DBHeight")
}
}
return nil
}
// NewDirBlockInfoFromDirBlock creates a DirDirBlockInfo from DirectoryBlock
func NewDirBlockInfoFromDirBlock(dirBlock interfaces.IDirectoryBlock) *DirBlockInfo {
dbic := new(DirBlockInfo)
dbic.DBHash = dirBlock.GetHash()
dbic.DBHeight = dirBlock.GetDatabaseHeight()
dbic.DBMerkleRoot = dirBlock.GetKeyMR()
dbic.Timestamp = int64(dirBlock.GetHeader().GetTimestamp()) // * 60 ???
dbic.BTCTxHash = primitives.NewZeroHash()
dbic.BTCBlockHash = primitives.NewZeroHash()
dbic.BTCConfirmed = false
return dbic
}
func NewDirectoryBlock(prev interfaces.IDirectoryBlock) interfaces.IDirectoryBlock {
newdb := new(DirectoryBlock)
newdb.Header = new(DBlockHeader)
newdb.Header.SetVersion(constants.VERSION_0)
if prev != nil {
newdb.GetHeader().SetPrevFullHash(prev.GetFullHash())
newdb.GetHeader().SetPrevKeyMR(prev.GetKeyMR())
newdb.GetHeader().SetDBHeight(prev.GetHeader().GetDBHeight() + 1)
} else {
newdb.Header.SetPrevFullHash(primitives.NewZeroHash())
newdb.Header.SetPrevKeyMR(primitives.NewZeroHash())
newdb.GetHeader().SetDBHeight(0)
}
newdb.SetDBEntries(make([]interfaces.IDBEntry, 0))
newdb.AddEntry(primitives.NewHash(constants.ADMIN_CHAINID), primitives.NewZeroHash())
newdb.AddEntry(primitives.NewHash(constants.EC_CHAINID), primitives.NewZeroHash())
newdb.AddEntry(primitives.NewHash(constants.FACTOID_CHAINID), primitives.NewZeroHash())
return newdb
}
