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package stfe
import (
"fmt"
"github.com/google/trillian"
ttypes "github.com/google/trillian/types"
"github.com/system-transparency/stfe/types"
)
func NewTreeHeadV1FromLogRoot(lr *ttypes.LogRootV1) *types.TreeHeadV1 {
return &types.TreeHeadV1{
Timestamp: uint64(lr.TimestampNanos / 1000 / 1000),
TreeSize: uint64(lr.TreeSize),
RootHash: types.NodeHash{
Data: lr.RootHash,
},
Extension: make([]byte, 0),
}
}
func NewNodePathFromHashPath(hashes [][]byte) []types.NodeHash {
path := make([]types.NodeHash, 0, len(hashes))
for _, hash := range hashes {
path = append(path, types.NodeHash{hash})
}
return path
}
func NewStItemListFromLeaves(leaves []*trillian.LogLeaf) (*types.StItemList, error) {
items := make([]types.StItem, 0, len(leaves))
for _, leaf := range leaves {
var item types.StItem
if err := types.Unmarshal(leaf.LeafValue, &item); err != nil {
return nil, fmt.Errorf("Unmarshal failed: %v", err)
}
items = append(items, item)
}
return &types.StItemList{items}, nil
}
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