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authorPéter Szilágyi <peterke@gmail.com>2017-01-24 17:49:20 +0800
committerPéter Szilágyi <peterke@gmail.com>2017-02-13 20:00:02 +0800
commit833e4d1319336fbb66fd8f1e473c24472d65b17b (patch)
tree74d45d86d0c59c19f0ff67831f04e0cad9776eef /accounts/errors.go
parent564b60520c68a1f06171abd705c01946b932492f (diff)
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accounts, cmd, eth, internal, mobile, node: split account backends
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-rw-r--r--accounts/errors.go41
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diff --git a/accounts/errors.go b/accounts/errors.go
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+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package accounts
+
+import "fmt"
+
+// AuthNeededError is returned by backends for signing requests where the user
+// is required to provide further authentication before signing can succeed.
+//
+// This usually means either that a password needs to be supplied, or perhaps a
+// one time PIN code displayed by some hardware device.
+type AuthNeededError struct {
+ Needed string // Extra authentication the user needs to provide
+}
+
+// NewAuthNeededError creates a new authentication error with the extra details
+// about the needed fields set.
+func NewAuthNeededError(needed string) error {
+ return &AuthNeededError{
+ Needed: needed,
+ }
+}
+
+// Error implements the standard error interfacel.
+func (err *AuthNeededError) Error() string {
+ return fmt.Sprintf("authentication needed: %s", err.Needed)
+}