feat: add token specific deploy events in deployer contract (#14)

While the underlying factories emit a `CreateToken` event, there was a
request to have specific deployment events for each token emitted by the
deployer.

.gas-snapshot

@@ -16,15 +16,14 @@ CreateTest:test_RevertWhen_SenderIsNotTokenDeployer() (gas: 16421)
 CreateTest:test_RevertWhen_SenderIsNotTokenDeployer() (gas: 16524)
 DeployContracts:test() (gas: 120)
 DeployOwnerAndMasterToken:test() (gas: 120)
-DeployTest:test_Deploy() (gas: 4776466)
-DeployTest:test_Deployment() (gas: 14925)
-DeployTest:test_RevertWhen_AlreadyDeployed() (gas: 4772349)
-DeployTest:test_RevertWhen_DeploymentSignatureExpired() (gas: 53642)
-DeployTest:test_RevertWhen_InvalidCommunityAddress() (gas: 51341)
-DeployTest:test_RevertWhen_InvalidDeployerAddress() (gas: 55329)
-DeployTest:test_RevertWhen_InvalidDeploymentSignature() (gas: 65663)
-DeployTest:test_RevertWhen_InvalidSignerPublicKey() (gas: 53435)
-DeployTest:test_RevertWhen_InvalidTokenMetadata() (gas: 2612126)
+DeployTest:test_Deploy() (gas: 4778686)
+DeployTest:test_Deployment() (gas: 14947)
+DeployTest:test_RevertWhen_AlreadyDeployed() (gas: 4774488)
+DeployTest:test_RevertWhen_InvalidCommunityAddress() (gas: 51318)
+DeployTest:test_RevertWhen_InvalidDeployerAddress() (gas: 55205)
+DeployTest:test_RevertWhen_InvalidDeploymentSignature() (gas: 65550)
+DeployTest:test_RevertWhen_InvalidSignerPublicKey() (gas: 53366)
+DeployTest:test_RevertWhen_InvalidTokenMetadata() (gas: 2612983)
 DeploymentTest:test_Deployment() (gas: 14671)
 DeploymentTest:test_Deployment() (gas: 14671)
 DeploymentTest:test_Deployment() (gas: 17250)
@@ -52,9 +51,9 @@ SetDeploymentRegistryAddressTest:test_RevertWhen_InvalidDeploymentRegistryAddres
 SetDeploymentRegistryAddressTest:test_RevertWhen_SenderIsNotOwner() (gas: 12508)
 SetDeploymentRegistryAddressTest:test_SetDeploymentRegistryAddress() (gas: 22903)
 SetMasterTokenFactoryAddressTest:test_Deployment() (gas: 14805)
-SetMasterTokenFactoryAddressTest:test_RevertWhen_InvalidTokenFactoryAddress() (gas: 13014)
-SetMasterTokenFactoryAddressTest:test_RevertWhen_SenderIsNotOwner() (gas: 12487)
-SetMasterTokenFactoryAddressTest:test_SetOwnerTokenFactoryAddress() (gas: 22861)
+SetMasterTokenFactoryAddressTest:test_RevertWhen_InvalidTokenFactoryAddress() (gas: 12992)
+SetMasterTokenFactoryAddressTest:test_RevertWhen_SenderIsNotOwner() (gas: 12465)
+SetMasterTokenFactoryAddressTest:test_SetOwnerTokenFactoryAddress() (gas: 22839)
 SetMaxSupplyTest:test_Deployment() (gas: 29720)
 SetMaxSupplyTest:test_Deployment() (gas: 85482)
 SetMaxSupplyTest:test_RevertWhen_CalledBecauseMaxSupplyIsLocked() (gas: 16533)
@@ -63,9 +62,9 @@ SetMaxSupplyTest:test_RevertWhen_SenderIsNotOwner() (gas: 12817)
 SetMaxSupplyTest:test_RevertWhen_SenderIsNotOwner() (gas: 16939)
 SetMaxSupplyTest:test_SetMaxSupply() (gas: 15597)
 SetOwnerTokenFactoryAddressTest:test_Deployment() (gas: 14805)
-SetOwnerTokenFactoryAddressTest:test_RevertWhen_InvalidTokenFactoryAddress() (gas: 12992)
-SetOwnerTokenFactoryAddressTest:test_RevertWhen_SenderIsNotOwner() (gas: 12465)
-SetOwnerTokenFactoryAddressTest:test_SetOwnerTokenFactoryAddress() (gas: 22862)
+SetOwnerTokenFactoryAddressTest:test_RevertWhen_InvalidTokenFactoryAddress() (gas: 12970)
+SetOwnerTokenFactoryAddressTest:test_RevertWhen_SenderIsNotOwner() (gas: 12443)
+SetOwnerTokenFactoryAddressTest:test_SetOwnerTokenFactoryAddress() (gas: 22840)
 SetSignerPublicKeyTest:test_Deployment() (gas: 85460)
 SetSignerPublicKeyTest:test_RevertWhen_SenderIsNotOwner() (gas: 17634)
 SetSignerPublicKeyTest:test_SetSignerPublicKey() (gas: 26369)

contracts/CommunityTokenDeployer.sol

@@ -54,6 +54,8 @@ contract CommunityTokenDeployer is EIP712("CommunityTokenDeployer", "1"), Ownabl
     event OwnerTokenFactoryAddressChange(address indexed);
     event MasterTokenFactoryAddressChange(address indexed);
     event DeploymentRegistryAddressChange(address indexed);
+    event DeployOwnerToken(address indexed);
+    event DeployMasterToken(address indexed);
 
     /// @dev Needed to avoid "Stack too deep" error.
     struct TokenConfig {
@@ -107,6 +109,8 @@ contract CommunityTokenDeployer is EIP712("CommunityTokenDeployer", "1"), Ownabl
      * @dev Anyone can call this function but a valid EIP712 hash signature has to be
      * provided for a successful deployment.
      * @dev Emits {CreateToken} events via underlying token factories.
+     * @dev Emits {DeployOwnerToken} event.
+     * @dev Emits {DeployMasterToken} event.
      *
      * @param _ownerToken A `TokenConfig` containing ERC721 metadata for `OwnerToken`
      * @param _masterToken A `TokenConfig` containing ERC721 metadata for `MasterToken`
@@ -144,10 +148,14 @@ contract CommunityTokenDeployer is EIP712("CommunityTokenDeployer", "1"), Ownabl
             _ownerToken.name, _ownerToken.symbol, _ownerToken.baseURI, msg.sender, _signerPublicKey
         );
 
+        emit DeployOwnerToken(ownerToken);
+
         address masterToken = ITokenFactory(masterTokenFactory).create(
             _masterToken.name, _masterToken.symbol, _masterToken.baseURI, ownerToken, bytes("")
         );
 
+        emit DeployMasterToken(masterToken);
+
         IAddressRegistry(deploymentRegistry).addEntry(_signature.signer, ownerToken);
         return (ownerToken, masterToken);
     }