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key_client.go
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key_client.go
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// Copyright Monax Industries Limited
// SPDX-License-Identifier: Apache-2.0
package mock
import (
"fmt"
"github.com/hyperledger/burrow/acm"
"github.com/hyperledger/burrow/crypto"
"github.com/hyperledger/burrow/keys"
)
//---------------------------------------------------------------------
// Mock client for replacing signing done by monax-keys
// Implementation assertion
var _ keys.KeyClient = (*KeyClient)(nil)
type KeyClient struct {
knownKeys map[crypto.Address]*Key
}
func NewKeyClient(privateAccounts ...*acm.PrivateAccount) *KeyClient {
client := &KeyClient{
knownKeys: make(map[crypto.Address]*Key),
}
for _, pa := range privateAccounts {
client.knownKeys[pa.GetAddress()] = mockKeyFromPrivateAccount(pa)
}
return client
}
func (mkc *KeyClient) NewKey(name string) crypto.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 crypto.Address, message []byte) (*crypto.Signature, error) {
key := mkc.knownKeys[signAddress]
if key == nil {
return nil, fmt.Errorf("unknown address (%s)", signAddress)
}
return key.Sign(message)
}
func (mkc *KeyClient) PublicKey(address crypto.Address) (crypto.PublicKey, error) {
key := mkc.knownKeys[address]
if key == nil {
return crypto.PublicKey{}, fmt.Errorf("unknown address (%s)", address)
}
return crypto.PublicKeyFromBytes(key.PublicKey, crypto.CurveTypeEd25519)
}
func (mkc *KeyClient) Generate(keyName string, curve crypto.CurveType) (crypto.Address, error) {
return mkc.NewKey(keyName), nil
}
func (mkc *KeyClient) GetAddressForKeyName(keyName string) (crypto.Address, error) {
for _, m := range mkc.knownKeys {
if m.Name == keyName {
return m.Address, nil
}
}
return crypto.Address{}, 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
}