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package trillian
import (
"fmt"
trillian "github.com/google/trillian/types"
siglog "github.com/system-transparency/stfe/types"
)
func treeHeadFromLogRoot(lr *trillian.LogRootV1) *siglog.TreeHead {
var hash [siglog.HashSize]byte
th := siglog.TreeHead{
Timestamp: uint64(lr.TimestampNanos / 1000 / 1000 / 1000),
TreeSize: uint64(lr.TreeSize),
RootHash: &hash,
}
copy(th.RootHash[:], lr.RootHash)
return &th
}
func nodePathFromHashes(hashes [][]byte) ([]*[siglog.HashSize]byte, error) {
var path []*[siglog.HashSize]byte
for _, hash := range hashes {
if len(hash) != siglog.HashSize {
return nil, fmt.Errorf("unexpected hash length: %v", len(hash))
}
var h [siglog.HashSize]byte
copy(h[:], hash)
path = append(path, &h)
}
return path, nil
}
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