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29 lines
1.0 KiB
Go
29 lines
1.0 KiB
Go
package xeth
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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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// 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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// 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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func (dummyFrontend) UnlockAccount([]byte) bool { return false }
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func (dummyFrontend) ConfirmTransaction(string) bool { return true }
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