21 lines
		
	
	
		
			411 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			411 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package ethchain
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import (
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	"github.com/ethereum/go-ethereum/ethtrie"
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	"github.com/ethereum/go-ethereum/ethutil"
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)
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type DerivableList interface {
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	Len() int
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	GetRlp(i int) []byte
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}
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func DeriveSha(list DerivableList) []byte {
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	trie := ethtrie.New(ethutil.Config.Db, "")
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	for i := 0; i < list.Len(); i++ {
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		trie.Update(string(ethutil.NewValue(i).Encode()), string(list.GetRlp(i)))
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	}
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	return trie.GetRoot()
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}
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