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https://github.com/OffchainLabs/prysm.git
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bc0868e232
* Add Gloas protobuf definitions with spec tests Add Gloas state fields to beacon state implementation * Remove shared field for pending payment * Radek's feedback * Potuz feedback * use slice concat * Fix comment * Fix concat * Fix comment * Fix correct index
26 lines
705 B
Go
26 lines
705 B
Go
package stateutil
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import (
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"fmt"
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"github.com/OffchainLabs/prysm/v7/encoding/ssz"
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)
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// ExecutionPayloadAvailabilityRoot computes the merkle root of an execution payload availability bitvector.
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func ExecutionPayloadAvailabilityRoot(bitvector []byte) ([32]byte, error) {
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chunkCount := (len(bitvector) + 31) / 32
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chunks := make([][32]byte, chunkCount)
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for i := range chunks {
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start := i * 32
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end := min(start+32, len(bitvector))
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copy(chunks[i][:], bitvector[start:end])
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}
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root, err := ssz.BitwiseMerkleize(chunks, uint64(len(chunks)), uint64(len(chunks)))
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if err != nil {
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return [32]byte{}, fmt.Errorf("could not merkleize execution payload availability: %w", err)
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}
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return root, nil
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}
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