29 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			1.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package xeth
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| 
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| // Frontend should be implemented by users of XEth. Its methods are
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| // called whenever XEth makes a decision that requires user input.
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| type Frontend interface {
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| 	// UnlockAccount is called when a transaction needs to be signed
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| 	// but the key corresponding to the transaction's sender is
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| 	// locked.
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| 	//
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| 	// It should unlock the account with the given address and return
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| 	// true if unlocking succeeded.
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| 	UnlockAccount(address []byte) bool
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| 
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| 	// This is called for all transactions inititated through
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| 	// Transact. It should prompt the user to confirm the transaction
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| 	// and return true if the transaction was acknowledged.
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| 	//
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| 	// ConfirmTransaction is not used for Call transactions
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| 	// because they cannot change any state.
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| 	ConfirmTransaction(tx string) bool
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| }
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| 
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| // dummyFrontend is a non-interactive frontend that allows all
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| // transactions but cannot not unlock any keys.
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| type dummyFrontend struct{}
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| 
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| func (dummyFrontend) UnlockAccount([]byte) bool      { return false }
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| func (dummyFrontend) ConfirmTransaction(string) bool { return true }
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