token 2022: add GroupPointer extension

token/client/src/token.rs

@@ -40,7 +40,7 @@ use {
                 self, account_info::WithheldTokensInfo, ConfidentialTransferFeeAmount,
                 ConfidentialTransferFeeConfig,
             },
-            cpi_guard, default_account_state, interest_bearing_mint, memo_transfer,
+            cpi_guard, default_account_state, group_pointer, interest_bearing_mint, memo_transfer,
             metadata_pointer, transfer_fee, transfer_hook, BaseStateWithExtensions, ExtensionType,
             StateWithExtensionsOwned,
         },
@@ -178,6 +178,10 @@ pub enum ExtensionInitializationParams {
         authority: Option<Pubkey>,
         withdraw_withheld_authority_elgamal_pubkey: PodElGamalPubkey,
     },
+    GroupPointer {
+        authority: Option<Pubkey>,
+        group_address: Option<Pubkey>,
+    },
 }
 impl ExtensionInitializationParams {
     /// Get the extension type associated with the init params
@@ -195,6 +199,7 @@ impl ExtensionInitializationParams {
             Self::ConfidentialTransferFeeConfig { .. } => {
                 ExtensionType::ConfidentialTransferFeeConfig
             }
+            Self::GroupPointer { .. } => ExtensionType::GroupPointer,
         }
     }
     /// Generate an appropriate initialization instruction for the given mint
@@ -286,6 +291,15 @@ impl ExtensionInitializationParams {
                     withdraw_withheld_authority_elgamal_pubkey,
                 )
             }
+            Self::GroupPointer {
+                authority,
+                group_address,
+            } => group_pointer::instruction::initialize(
+                token_program_id,
+                mint,
+                authority,
+                group_address,
+            ),
         }
     }
 }
@@ -1666,6 +1680,29 @@ where
         .await
     }
 
+    /// Update group pointer address
+    pub async fn update_group_address<S: Signers>(
+        &self,
+        authority: &Pubkey,
+        new_group_address: Option<Pubkey>,
+        signing_keypairs: &S,
+    ) -> TokenResult<T::Output> {
+        let signing_pubkeys = signing_keypairs.pubkeys();
+        let multisig_signers = self.get_multisig_signers(authority, &signing_pubkeys);
+
+        self.process_ixs(
+            &[group_pointer::instruction::update(
+                &self.program_id,
+                self.get_address(),
+                authority,
+                &multisig_signers,
+                new_group_address,
+            )?],
+            signing_keypairs,
+        )
+        .await
+    }
+
     /// Update confidential transfer mint
     pub async fn confidential_transfer_update_mint<S: Signers>(
         &self,

token/program-2022-test/tests/group_pointer.rs

@@ -0,0 +1,253 @@
+#![cfg(feature = "test-sbf")]
+
+mod program_test;
+use {
+    program_test::TestContext,
+    solana_program_test::{processor, tokio, ProgramTest},
+    solana_sdk::{
+        instruction::InstructionError, pubkey::Pubkey, signature::Signer, signer::keypair::Keypair,
+        transaction::TransactionError, transport::TransportError,
+    },
+    spl_token_2022::{
+        error::TokenError,
+        extension::{group_pointer::GroupPointer, BaseStateWithExtensions},
+        instruction,
+        processor::Processor,
+    },
+    spl_token_client::token::{ExtensionInitializationParams, TokenError as TokenClientError},
+    std::{convert::TryInto, sync::Arc},
+};
+
+fn setup_program_test() -> ProgramTest {
+    let mut program_test = ProgramTest::default();
+    program_test.prefer_bpf(false);
+    program_test.add_program(
+        "spl_token_2022",
+        spl_token_2022::id(),
+        processor!(Processor::process),
+    );
+    program_test
+}
+
+async fn setup(mint: Keypair, group_address: &Pubkey, authority: &Pubkey) -> TestContext {
+    let program_test = setup_program_test();
+
+    let context = program_test.start_with_context().await;
+    let context = Arc::new(tokio::sync::Mutex::new(context));
+    let mut context = TestContext {
+        context,
+        token_context: None,
+    };
+    context
+        .init_token_with_mint_keypair_and_freeze_authority(
+            mint,
+            vec![ExtensionInitializationParams::GroupPointer {
+                authority: Some(*authority),
+                group_address: Some(*group_address),
+            }],
+            None,
+        )
+        .await
+        .unwrap();
+    context
+}
+
+#[tokio::test]
+async fn success_init() {
+    let authority = Pubkey::new_unique();
+    let group_address = Pubkey::new_unique();
+    let mint_keypair = Keypair::new();
+    let token = setup(mint_keypair, &group_address, &authority)
+        .await
+        .token_context
+        .take()
+        .unwrap()
+        .token;
+
+    let state = token.get_mint_info().await.unwrap();
+    assert!(state.base.is_initialized);
+    let extension = state.get_extension::<GroupPointer>().unwrap();
+    assert_eq!(extension.authority, Some(authority).try_into().unwrap());
+    assert_eq!(
+        extension.group_address,
+        Some(group_address).try_into().unwrap()
+    );
+}
+
+#[tokio::test]
+async fn fail_init_all_none() {
+    let mut program_test = ProgramTest::default();
+    program_test.prefer_bpf(false);
+    program_test.add_program(
+        "spl_token_2022",
+        spl_token_2022::id(),
+        processor!(Processor::process),
+    );
+    let context = program_test.start_with_context().await;
+    let context = Arc::new(tokio::sync::Mutex::new(context));
+    let mut context = TestContext {
+        context,
+        token_context: None,
+    };
+    let err = context
+        .init_token_with_mint_keypair_and_freeze_authority(
+            Keypair::new(),
+            vec![ExtensionInitializationParams::GroupPointer {
+                authority: None,
+                group_address: None,
+            }],
+            None,
+        )
+        .await
+        .unwrap_err();
+    assert_eq!(
+        err,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(
+                1,
+                InstructionError::Custom(TokenError::InvalidInstruction as u32)
+            )
+        )))
+    );
+}
+
+#[tokio::test]
+async fn set_authority() {
+    let authority = Keypair::new();
+    let group_address = Pubkey::new_unique();
+    let mint_keypair = Keypair::new();
+    let token = setup(mint_keypair, &group_address, &authority.pubkey())
+        .await
+        .token_context
+        .take()
+        .unwrap()
+        .token;
+    let new_authority = Keypair::new();
+
+    // fail, wrong signature
+    let wrong = Keypair::new();
+    let err = token
+        .set_authority(
+            token.get_address(),
+            &wrong.pubkey(),
+            Some(&new_authority.pubkey()),
+            instruction::AuthorityType::GroupPointer,
+            &[&wrong],
+        )
+        .await
+        .unwrap_err();
+    assert_eq!(
+        err,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(
+                0,
+                InstructionError::Custom(TokenError::OwnerMismatch as u32)
+            )
+        )))
+    );
+
+    // success
+    token
+        .set_authority(
+            token.get_address(),
+            &authority.pubkey(),
+            Some(&new_authority.pubkey()),
+            instruction::AuthorityType::GroupPointer,
+            &[&authority],
+        )
+        .await
+        .unwrap();
+    let state = token.get_mint_info().await.unwrap();
+    let extension = state.get_extension::<GroupPointer>().unwrap();
+    assert_eq!(
+        extension.authority,
+        Some(new_authority.pubkey()).try_into().unwrap(),
+    );
+
+    // set to none
+    token
+        .set_authority(
+            token.get_address(),
+            &new_authority.pubkey(),
+            None,
+            instruction::AuthorityType::GroupPointer,
+            &[&new_authority],
+        )
+        .await
+        .unwrap();
+    let state = token.get_mint_info().await.unwrap();
+    let extension = state.get_extension::<GroupPointer>().unwrap();
+    assert_eq!(extension.authority, None.try_into().unwrap(),);
+
+    // fail set again
+    let err = token
+        .set_authority(
+            token.get_address(),
+            &new_authority.pubkey(),
+            Some(&authority.pubkey()),
+            instruction::AuthorityType::GroupPointer,
+            &[&new_authority],
+        )
+        .await
+        .unwrap_err();
+    assert_eq!(
+        err,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(
+                0,
+                InstructionError::Custom(TokenError::AuthorityTypeNotSupported as u32)
+            )
+        )))
+    );
+}
+
+#[tokio::test]
+async fn update_group_address() {
+    let authority = Keypair::new();
+    let group_address = Pubkey::new_unique();
+    let mint_keypair = Keypair::new();
+    let token = setup(mint_keypair, &group_address, &authority.pubkey())
+        .await
+        .token_context
+        .take()
+        .unwrap()
+        .token;
+    let new_group_address = Pubkey::new_unique();
+
+    // fail, wrong signature
+    let wrong = Keypair::new();
+    let err = token
+        .update_group_address(&wrong.pubkey(), Some(new_group_address), &[&wrong])
+        .await
+        .unwrap_err();
+    assert_eq!(
+        err,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(
+                0,
+                InstructionError::Custom(TokenError::OwnerMismatch as u32)
+            )
+        )))
+    );
+
+    // success
+    token
+        .update_group_address(&authority.pubkey(), Some(new_group_address), &[&authority])
+        .await
+        .unwrap();
+    let state = token.get_mint_info().await.unwrap();
+    let extension = state.get_extension::<GroupPointer>().unwrap();
+    assert_eq!(
+        extension.group_address,
+        Some(new_group_address).try_into().unwrap(),
+    );
+
+    // set to none
+    token
+        .update_group_address(&authority.pubkey(), None, &[&authority])
+        .await
+        .unwrap();
+    let state = token.get_mint_info().await.unwrap();
+    let extension = state.get_extension::<GroupPointer>().unwrap();
+    assert_eq!(extension.group_address, None.try_into().unwrap(),);
+}

token/program-2022-test/tests/program_test.rs

@@ -146,7 +146,7 @@ impl TestContext {
         let token_unchecked = Token::new_native(Arc::clone(&client), &id(), Arc::new(payer));
         self.token_context = Some(TokenContext {
             decimals: native_mint::DECIMALS,
-            mint_authority: Keypair::new(), /*bogus*/
+            mint_authority: Keypair::new(), /* bogus */
             token,
             token_unchecked,
             alice: Keypair::new(),