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29 lines
787 B
29 lines
787 B
5 years ago
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package signature
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import (
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"encoding/binary"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/harmony-one/harmony/internal/params"
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)
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type signatureChainReader interface {
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Config() *params.ChainConfig
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}
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// ConstructCommitPayload returns the commit payload for consensus signatures.
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func ConstructCommitPayload(
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chain signatureChainReader, epoch *big.Int, blockHash common.Hash, blockNum, viewID uint64,
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) []byte {
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blockNumBytes := make([]byte, 8)
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binary.LittleEndian.PutUint64(blockNumBytes, blockNum)
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commitPayload := append(blockNumBytes, blockHash.Bytes()...)
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if !chain.Config().IsStaking(epoch) {
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return commitPayload
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}
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viewIDBytes := make([]byte, 8)
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binary.LittleEndian.PutUint64(viewIDBytes, viewID)
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return append(commitPayload, viewIDBytes...)
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}
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