mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-23 04:03:49 +00:00
42 lines
924 B
Go
42 lines
924 B
Go
package merkle_tree
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import (
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"encoding/binary"
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libcommon "github.com/ledgerwatch/erigon-lib/common"
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"github.com/ledgerwatch/erigon-lib/common/length"
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)
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// Uint64Root retrieves the root hash of a uint64 value by converting it to a byte array and returning it as a hash.
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func Uint64Root(val uint64) libcommon.Hash {
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var root libcommon.Hash
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binary.LittleEndian.PutUint64(root[:], val)
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return root
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}
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func BoolRoot(b bool) (root libcommon.Hash) {
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if b {
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root[0] = 1
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}
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return
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}
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func BytesRoot(b []byte) (out [32]byte, err error) {
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leafCount := NextPowerOfTwo(uint64((len(b) + 31) / length.Hash))
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leaves := make([]byte, leafCount*length.Hash)
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copy(leaves, b)
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if err = MerkleRootFromFlatLeaves(leaves, leaves); err != nil {
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return [32]byte{}, err
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}
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copy(out[:], leaves)
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return
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}
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func InPlaceRoot(key []byte) error {
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err := MerkleRootFromFlatLeaves(key, key)
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if err != nil {
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return err
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}
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return nil
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}
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