mirror of
https://github.com/wealdtech/ethdo.git
synced 2026-01-09 14:07:56 -05:00
71 lines
2.0 KiB
Go
71 lines
2.0 KiB
Go
// Copyright © 2019, 2020 Weald Technology Trading
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package accountkey
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import (
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"context"
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"github.com/pkg/errors"
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"github.com/wealdtech/ethdo/util"
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e2wtypes "github.com/wealdtech/go-eth2-wallet-types/v2"
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)
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func process(ctx context.Context, data *dataIn) (*dataOut, error) {
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if data == nil {
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return nil, errors.New("no data")
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}
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if len(data.passphrases) == 0 {
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return nil, errors.New("passphrase is required")
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}
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results := &dataOut{}
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privateKeyProvider, isPrivateKeyProvider := data.account.(e2wtypes.AccountPrivateKeyProvider)
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if !isPrivateKeyProvider {
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return nil, errors.New("account does not provide its private key")
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}
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if locker, isLocker := data.account.(e2wtypes.AccountLocker); isLocker {
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unlocked, err := locker.IsUnlocked(ctx)
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if err != nil {
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return nil, errors.Wrap(err, "failed to find out if account is locked")
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}
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if !unlocked {
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for _, passphrase := range data.passphrases {
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err = locker.Unlock(ctx, []byte(passphrase))
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if err == nil {
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unlocked = true
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break
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}
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}
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if !unlocked {
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return nil, errors.New("failed to unlock account")
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}
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// Because we unlocked the accout we should re-lock it when we're done.
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defer func() {
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if err := locker.Lock(ctx); err != nil {
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util.Log.Trace().Err(err).Msg("Failed to lock account")
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}
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}()
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}
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}
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key, err := privateKeyProvider.PrivateKey(ctx)
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if err != nil {
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return nil, errors.Wrap(err, "failed to obtain private key")
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}
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results.key = key.Marshal()
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return results, nil
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}
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