21 lines
		
	
	
		
			402 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			402 B
		
	
	
	
		
			Go
		
	
	
	
	
	
| package chain
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| 
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| import (
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| 	"github.com/ethereum/go-ethereum/ethutil"
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| 	"github.com/ethereum/go-ethereum/trie"
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| )
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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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| 
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| func DeriveSha(list DerivableList) []byte {
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| 	trie := trie.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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| 
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| 	return trie.GetRoot()
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| }
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