[FAB-2096] Remove xxxCryptHelper to mocks

https://jira.hyperledger.org/browse/FAB-2096

The orderer temporarily used a fake crypto helper, but when the real one
was added, the fake one stayed in the non-test code although it was only
used in tests.  This CR remedies that.

Change-Id: Icc51400c49bee0e21a838925828621d075ee6987
Signed-off-by: Jason Yellick <jyellick@us.ibm.com>

Author: Jason Yellick

orderer/multichain/chainsupport_test.go

@@ -65,7 +65,7 @@ func (mc *mockCommitter) Commit() {
 func TestCommitConfig(t *testing.T) {
 	ml := &mockLedgerReadWriter{}
 	cm := &mockconfigtx.Manager{}
-	cs := &chainSupport{ledgerResources: &ledgerResources{configResources: &configResources{Manager: cm}, ledger: ml}, signer: &xxxCryptoHelper{}}
+	cs := &chainSupport{ledgerResources: &ledgerResources{configResources: &configResources{Manager: cm}, ledger: ml}, signer: &mockCryptoHelper{}}
 	txs := []*cb.Envelope{makeNormalTx("foo", 0), makeNormalTx("bar", 1)}
 	committers := []filter.Committer{&mockCommitter{}, &mockCommitter{}}
 	block := cs.CreateNextBlock(txs)
@@ -90,7 +90,7 @@ func TestCommitConfig(t *testing.T) {
 func TestWriteBlockSignatures(t *testing.T) {
 	ml := &mockLedgerReadWriter{}
 	cm := &mockconfigtx.Manager{}
-	cs := &chainSupport{ledgerResources: &ledgerResources{configResources: &configResources{Manager: cm}, ledger: ml}, signer: &xxxCryptoHelper{}}
+	cs := &chainSupport{ledgerResources: &ledgerResources{configResources: &configResources{Manager: cm}, ledger: ml}, signer: &mockCryptoHelper{}}
 
 	if utils.GetMetadataFromBlockOrPanic(cs.WriteBlock(cb.NewBlock(0, nil), nil, nil), cb.BlockMetadataIndex_SIGNATURES) == nil {
 		t.Fatalf("Block should have block signature")
@@ -100,7 +100,7 @@ func TestWriteBlockSignatures(t *testing.T) {
 func TestWriteBlockOrdererMetadata(t *testing.T) {
 	ml := &mockLedgerReadWriter{}
 	cm := &mockconfigtx.Manager{}
-	cs := &chainSupport{ledgerResources: &ledgerResources{configResources: &configResources{Manager: cm}, ledger: ml}, signer: &xxxCryptoHelper{}}
+	cs := &chainSupport{ledgerResources: &ledgerResources{configResources: &configResources{Manager: cm}, ledger: ml}, signer: &mockCryptoHelper{}}
 
 	value := []byte("foo")
 	expected := &cb.Metadata{Value: value}
@@ -118,7 +118,7 @@ func TestWriteBlockOrdererMetadata(t *testing.T) {
 func TestWriteLastConfig(t *testing.T) {
 	ml := &mockLedgerReadWriter{}
 	cm := &mockconfigtx.Manager{}
-	cs := &chainSupport{ledgerResources: &ledgerResources{configResources: &configResources{Manager: cm}, ledger: ml}, signer: &xxxCryptoHelper{}}
+	cs := &chainSupport{ledgerResources: &ledgerResources{configResources: &configResources{Manager: cm}, ledger: ml}, signer: &mockCryptoHelper{}}
 
 	expected := uint64(0)
 

orderer/multichain/manager.go

@@ -32,22 +32,6 @@ import (
 
 var logger = logging.MustGetLogger("orderer/multichain")
 
-// XXX This crypto helper is a stand in until we have a real crypto handler
-// it considers all signatures to be valid
-type xxxCryptoHelper struct{}
-
-func (xxx xxxCryptoHelper) VerifySignature(sd *cb.SignedData) error {
-	return nil
-}
-
-func (xxx xxxCryptoHelper) NewSignatureHeader() (*cb.SignatureHeader, error) {
-	return &cb.SignatureHeader{}, nil
-}
-
-func (xxx xxxCryptoHelper) Sign(message []byte) ([]byte, error) {
-	return message, nil
-}
-
 // Manager coordinates the creation and access of chains
 type Manager interface {
 	// GetChain retrieves the chain support for a chain (and whether it exists)

orderer/multichain/manager_test.go

@@ -44,6 +44,20 @@ func init() {
 	genesisBlock = provisional.New(conf).GenesisBlock()
 }
 
+type mockCryptoHelper struct{}
+
+func (xxx mockCryptoHelper) VerifySignature(sd *cb.SignedData) error {
+	return nil
+}
+
+func (xxx mockCryptoHelper) NewSignatureHeader() (*cb.SignatureHeader, error) {
+	return &cb.SignatureHeader{}, nil
+}
+
+func (xxx mockCryptoHelper) Sign(message []byte) ([]byte, error) {
+	return message, nil
+}
+
 func NewRAMLedgerAndFactory(maxSize int) (ordererledger.Factory, ordererledger.ReadWriter) {
 	rlf := ramledger.New(10)
 	rl, err := rlf.GetOrCreate(provisional.TestChainID)
@@ -115,7 +129,7 @@ func TestNoSystemChain(t *testing.T) {
 	consenters := make(map[string]Consenter)
 	consenters[conf.Genesis.OrdererType] = &mockConsenter{}
 
-	NewManagerImpl(lf, consenters, &xxxCryptoHelper{})
+	NewManagerImpl(lf, consenters, &mockCryptoHelper{})
 }
 
 // This test essentially brings the entire system up and is ultimately what main.go will replicate
@@ -125,7 +139,7 @@ func TestManagerImpl(t *testing.T) {
 	consenters := make(map[string]Consenter)
 	consenters[conf.Genesis.OrdererType] = &mockConsenter{}
 
-	manager := NewManagerImpl(lf, consenters, &xxxCryptoHelper{})
+	manager := NewManagerImpl(lf, consenters, &mockCryptoHelper{})
 
 	_, ok := manager.GetChain("Fake")
 	if ok {
@@ -171,7 +185,7 @@ func TestSignatureFilter(t *testing.T) {
 	consenters := make(map[string]Consenter)
 	consenters[conf.Genesis.OrdererType] = &mockConsenter{}
 
-	manager := NewManagerImpl(lf, consenters, &xxxCryptoHelper{})
+	manager := NewManagerImpl(lf, consenters, &mockCryptoHelper{})
 
 	cs, ok := manager.GetChain(provisional.TestChainID)
 
@@ -209,7 +223,7 @@ func TestNewChain(t *testing.T) {
 	consenters := make(map[string]Consenter)
 	consenters[conf.Genesis.OrdererType] = &mockConsenter{}
 
-	manager := NewManagerImpl(lf, consenters, &xxxCryptoHelper{})
+	manager := NewManagerImpl(lf, consenters, &mockCryptoHelper{})
 
 	generator := provisional.New(conf)
 	items := generator.TemplateItems()