45 lines
1.8 KiB
Go
45 lines
1.8 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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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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