added --privacy-flexible-groups-enabled alternative name (#1437)

* added --privacy-flexible-groups-enabled as an alias for --privacy-onchain-groups-enabled

Signed-off-by: Sally MacFarlane <sally.macfarlane@consensys.net>

CHANGELOG.md

@@ -33,6 +33,7 @@ Hyperledger Besu is moving its versioning scheme to [CalVer](https://calver.org/
 * Added `--start-block` and `--end-block` to the `blocks import` subcommand [\#1399](https://github.com/hyperledger/besu/pull/1399)
 * Added support for multi-tenancy when using the early access feature of [onchain privacy group management](https://besu.hyperledger.org/en/stable/Concepts/Privacy/Onchain-PrivacyGroups/) 
 * Fixed memory leak in eth/65 subprotocol behavior. It is now enabled by default. [\#1420](https://github.com/hyperledger/besu/pull/1420), [#1348](https://github.com/hyperledger/besu/pull/1348), [#1321](https://github.com/hyperledger/besu/pull/1321)
+* Added `--privacy-flexible-groups-enabled` as an alternative for `--privacy-onchain-groups-enabled` CLI option
 
 ### Bug Fixes
 

besu/src/main/java/org/hyperledger/besu/cli/BesuCommand.java

@@ -888,9 +888,9 @@ public class BesuCommand implements DefaultCommandValues, Runnable {
   private final Boolean migratePrivateDatabase = false;
 
   @Option(
-      names = {"--privacy-onchain-groups-enabled"},
-      description = "Enable onchain privacy groups (default: ${DEFAULT-VALUE})")
-  private final Boolean isOnchainPrivacyGroupEnabled = false;
+      names = {"--privacy-flexible-groups-enabled", "--privacy-onchain-groups-enabled"},
+      description = "Enable flexible (onchain) privacy groups (default: ${DEFAULT-VALUE})")
+  private final Boolean isFlexiblePrivacyGroupsEnabled = false;
 
   @Option(
       names = {"--target-gas-limit"},
@@ -1840,7 +1840,7 @@ public class BesuCommand implements DefaultCommandValues, Runnable {
       privacyParametersBuilder.setEnabled(true);
       privacyParametersBuilder.setEnclaveUrl(privacyUrl);
       privacyParametersBuilder.setMultiTenancyEnabled(isPrivacyMultiTenancyEnabled);
-      privacyParametersBuilder.setOnchainPrivacyGroupsEnabled(isOnchainPrivacyGroupEnabled);
+      privacyParametersBuilder.setOnchainPrivacyGroupsEnabled(isFlexiblePrivacyGroupsEnabled);
 
       final boolean hasPrivacyPublicKey = privacyPublicKeyFile != null;
       if (hasPrivacyPublicKey && !isPrivacyMultiTenancyEnabled) {

besu/src/test/java/org/hyperledger/besu/cli/BesuCommandTest.java

@@ -3129,6 +3129,29 @@ public class BesuCommandTest extends CommandTestAbstract {
     assertThat(privacyParameters.isOnchainPrivacyGroupsEnabled()).isEqualTo(true);
   }
 
+  @Test
+  public void flexiblePrivacyGroupEnabledFlagValueIsSet() {
+    parseCommand(
+        "--privacy-enabled",
+        "--privacy-public-key-file",
+        ENCLAVE_PUBLIC_KEY_PATH,
+        "--privacy-flexible-groups-enabled",
+        "--min-gas-price",
+        "0");
+
+    final ArgumentCaptor<PrivacyParameters> privacyParametersArgumentCaptor =
+        ArgumentCaptor.forClass(PrivacyParameters.class);
+
+    verify(mockControllerBuilder).privacyParameters(privacyParametersArgumentCaptor.capture());
+    verify(mockControllerBuilder).build();
+
+    assertThat(commandOutput.toString()).isEmpty();
+    assertThat(commandErrorOutput.toString()).isEmpty();
+
+    final PrivacyParameters privacyParameters = privacyParametersArgumentCaptor.getValue();
+    assertThat(privacyParameters.isOnchainPrivacyGroupsEnabled()).isEqualTo(true);
+  }
+
   @Test
   public void privacyMarkerTransactionSigningKeyFileRequiredIfMinGasPriceNonZero() {
     parseCommand("--privacy-enabled", "--privacy-public-key-file", ENCLAVE_PUBLIC_KEY_PATH);