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// Copyright 2017 Monax Industries Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mock
import (
"fmt"
acm "github.com/hyperledger/burrow/account"
"github.com/hyperledger/burrow/keys"
"github.com/tendermint/go-crypto"
)
//---------------------------------------------------------------------
// Mock client for replacing signing done by monax-keys
// Implementation assertion
var _ keys.KeyClient = (*KeyClient)(nil)
type KeyClient struct {
knownKeys map[acm.Address]*Key
}
func NewKeyClient(privateAccounts ...acm.PrivateAccount) *KeyClient {
client := &KeyClient{
knownKeys: make(map[acm.Address]*Key),
}
for _, pa := range privateAccounts {
client.knownKeys[pa.Address()] = mockKeyFromPrivateAccount(pa)
}
return client
}
func (mkc *KeyClient) NewKey(name string) acm.Address {
// Only tests ED25519 curve and ripemd160.
key, err := newKey(name)
if err != nil {
panic(fmt.Sprintf("Mocked key client failed on key generation: %s", err))
}
mkc.knownKeys[key.Address] = key
return key.Address
}
func (mkc *KeyClient) Sign(signAddress acm.Address, message []byte) (acm.Signature, error) {
key := mkc.knownKeys[signAddress]
if key == nil {
return acm.Signature{}, fmt.Errorf("unknown address (%s)", signAddress)
}
return key.Sign(message)
}
func (mkc *KeyClient) PublicKey(address acm.Address) (acm.PublicKey, error) {
key := mkc.knownKeys[address]
if key == nil {
return acm.PublicKey{}, fmt.Errorf("unknown address (%s)", address)
}
pubKeyEd25519 := crypto.PubKeyEd25519{}
copy(pubKeyEd25519[:], key.PublicKey)
return acm.PublicKeyFromGoCryptoPubKey(pubKeyEd25519.Wrap())
}
func (mkc *KeyClient) Generate(keyName string, keyType keys.KeyType) (acm.Address, error) {
return mkc.NewKey(keyName), nil
}
func (mkc *KeyClient) HealthCheck() error {
return nil
}
func (mkc *KeyClient) Keys() []*Key {
var knownKeys []*Key
for _, key := range mkc.knownKeys {
knownKeys = append(knownKeys, key)
}
return knownKeys
}