token 2022: add InitializeGroup instruction from SPL Token Group interface

Author: buffalojoec

Cargo.lock

@@ -24,6 +24,7 @@ spl-associated-token-account = { version = "2.0", path = "../../associated-token
 spl-memo = { version = "4.0.0", path = "../../memo/program", features = ["no-entrypoint"] }
 spl-token = { version = "4.0", path="../program", features = [ "no-entrypoint" ] }
 spl-token-2022 = { version = "0.9", path="../program-2022" }
+spl-token-group-interface = { version = "0.1", path="../../token-group/interface" }
 spl-token-metadata-interface = { version = "0.2", path="../../token-metadata/interface" }
 spl-transfer-hook-interface = { version = "0.3", path="../transfer-hook-interface" }
 thiserror = "1.0"

token/client/Cargo.toml

@@ -3846,4 +3846,76 @@ where
         )
         .await
     }
+
+    /// Initialize token-group on a mint
+    pub async fn token_group_initialize<S: Signers>(
+        &self,
+        mint_authority: &Pubkey,
+        update_authority: &Pubkey,
+        max_size: u32,
+        signing_keypairs: &S,
+    ) -> TokenResult<T::Output> {
+        self.process_ixs(
+            &[spl_token_group_interface::instruction::initialize_group(
+                &self.program_id,
+                &self.pubkey,
+                &self.pubkey,
+                mint_authority,
+                Some(*update_authority),
+                max_size,
+            )],
+            signing_keypairs,
+        )
+        .await
+    }
+
+    async fn get_additional_rent_for_new_group(&self) -> TokenResult<u64> {
+        let account = self.get_account(self.pubkey).await?;
+        let account_lamports = account.lamports;
+        let mint_state = self.unpack_mint_info(account)?;
+        let new_account_len = mint_state
+            .try_get_account_len()?
+            .checked_add(ExtensionType::try_calculate_account_len::<Mint>(&[
+                ExtensionType::TokenGroup,
+            ])?)
+            .ok_or(TokenError::Program(
+                spl_token_2022::error::TokenError::Overflow.into(),
+            ))?;
+        let new_rent_exempt_minimum = self
+            .client
+            .get_minimum_balance_for_rent_exemption(new_account_len)
+            .await
+            .map_err(TokenError::Client)?;
+        Ok(new_rent_exempt_minimum.saturating_sub(account_lamports))
+    }
+
+    /// Initialize token-group on a mint
+    #[allow(clippy::too_many_arguments)]
+    pub async fn token_group_initialize_with_rent_transfer<S: Signers>(
+        &self,
+        payer: &Pubkey,
+        mint_authority: &Pubkey,
+        update_authority: &Pubkey,
+        max_size: u32,
+        signing_keypairs: &S,
+    ) -> TokenResult<T::Output> {
+        let additional_lamports = self.get_additional_rent_for_new_group().await?;
+        let mut instructions = vec![];
+        if additional_lamports > 0 {
+            instructions.push(system_instruction::transfer(
+                payer,
+                &self.pubkey,
+                additional_lamports,
+            ));
+        }
+        instructions.push(spl_token_group_interface::instruction::initialize_group(
+            &self.program_id,
+            &self.pubkey,
+            &self.pubkey,
+            mint_authority,
+            Some(*update_authority),
+            max_size,
+        ));
+        self.process_ixs(&instructions, signing_keypairs).await
+    }
 }

token/client/src/token.rs

@@ -29,6 +29,7 @@ spl-pod = { version = "0.1.0", path = "../../libraries/pod" }
 spl-token-2022 = { version = "0.9", path="../program-2022", features = ["no-entrypoint"] }
 spl-instruction-padding = { version = "0.1.0", path="../../instruction-padding/program", features = ["no-entrypoint"] }
 spl-token-client = { version = "0.7", path = "../client" }
+spl-token-group-interface = { version = "0.1", path = "../../token-group/interface" }
 spl-token-metadata-interface = { version = "0.2", path = "../../token-metadata/interface" }
 spl-transfer-hook-example = { version = "0.3", path="../transfer-hook-example", features = ["no-entrypoint"] }
 spl-transfer-hook-interface = { version = "0.3", path="../transfer-hook-interface" }

token/program-2022-test/Cargo.toml

@@ -0,0 +1,271 @@
+#![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_pod::bytemuck::pod_from_bytes,
+    spl_token_2022::{error::TokenError, extension::BaseStateWithExtensions, processor::Processor},
+    spl_token_client::token::{ExtensionInitializationParams, TokenError as TokenClientError},
+    spl_token_group_interface::{error::TokenGroupError, state::TokenGroup},
+    std::{convert::TryInto, sync::Arc},
+};
+
+fn setup_program_test() -> ProgramTest {
+    let mut program_test = ProgramTest::default();
+    program_test.add_program(
+        "spl_token_2022",
+        spl_token_2022::id(),
+        processor!(Processor::process),
+    );
+    program_test
+}
+
+async fn setup(mint: Keypair, 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,
+    };
+    let group_address = Some(mint.pubkey());
+    context
+        .init_token_with_mint_keypair_and_freeze_authority(
+            mint,
+            vec![ExtensionInitializationParams::GroupPointer {
+                authority: Some(*authority),
+                group_address,
+            }],
+            None,
+        )
+        .await
+        .unwrap();
+    context
+}
+
+#[tokio::test]
+async fn success_initialize() {
+    let authority = Pubkey::new_unique();
+    let mint_keypair = Keypair::new();
+    let mut test_context = setup(mint_keypair, &authority).await;
+    let payer_pubkey = test_context.context.lock().await.payer.pubkey();
+    let token_context = test_context.token_context.take().unwrap();
+
+    let update_authority = Pubkey::new_unique();
+    let max_size = 10;
+    let token_group = TokenGroup::new(
+        token_context.token.get_address(),
+        Some(update_authority).try_into().unwrap(),
+        max_size,
+    );
+
+    // fails without more lamports for new rent-exemption
+    let error = token_context
+        .token
+        .token_group_initialize(
+            &token_context.mint_authority.pubkey(),
+            &update_authority,
+            max_size,
+            &[&token_context.mint_authority],
+        )
+        .await
+        .unwrap_err();
+    assert_eq!(
+        error,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InsufficientFundsForRent { account_index: 2 }
+        )))
+    );
+
+    // fail wrong signer
+    let not_mint_authority = Keypair::new();
+    let error = token_context
+        .token
+        .token_group_initialize_with_rent_transfer(
+            &payer_pubkey,
+            &not_mint_authority.pubkey(),
+            &update_authority,
+            max_size,
+            &[&not_mint_authority],
+        )
+        .await
+        .unwrap_err();
+    assert_eq!(
+        error,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(
+                1,
+                InstructionError::Custom(TokenGroupError::IncorrectMintAuthority as u32)
+            )
+        )))
+    );
+
+    token_context
+        .token
+        .token_group_initialize_with_rent_transfer(
+            &payer_pubkey,
+            &token_context.mint_authority.pubkey(),
+            &update_authority,
+            max_size,
+            &[&token_context.mint_authority],
+        )
+        .await
+        .unwrap();
+
+    // check that the data is correct
+    let mint_info = token_context.token.get_mint_info().await.unwrap();
+    let group_bytes = mint_info.get_extension_bytes::<TokenGroup>().unwrap();
+    let fetched_group = pod_from_bytes::<TokenGroup>(group_bytes).unwrap();
+    assert_eq!(fetched_group, &token_group);
+
+    // fail double-init
+    let error = token_context
+        .token
+        .token_group_initialize_with_rent_transfer(
+            &payer_pubkey,
+            &token_context.mint_authority.pubkey(),
+            &update_authority,
+            max_size,
+            &[&token_context.mint_authority],
+        )
+        .await
+        .unwrap_err();
+    assert_eq!(
+        error,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(
+                1,
+                InstructionError::Custom(TokenError::ExtensionAlreadyInitialized as u32)
+            )
+        )))
+    );
+}
+
+#[tokio::test]
+async fn fail_without_group_pointer() {
+    let mut test_context = {
+        let mint_keypair = Keypair::new();
+        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_keypair, vec![], None)
+            .await
+            .unwrap();
+        context
+    };
+
+    let payer_pubkey = test_context.context.lock().await.payer.pubkey();
+    let token_context = test_context.token_context.take().unwrap();
+
+    let error = token_context
+        .token
+        .token_group_initialize_with_rent_transfer(
+            &payer_pubkey,
+            &token_context.mint_authority.pubkey(),
+            &Pubkey::new_unique(),
+            5,
+            &[&token_context.mint_authority],
+        )
+        .await
+        .unwrap_err();
+    assert_eq!(
+        error,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(
+                1,
+                InstructionError::Custom(TokenError::InvalidExtensionCombination as u32)
+            )
+        )))
+    );
+}
+
+#[tokio::test]
+async fn fail_init_in_another_mint() {
+    let authority = Pubkey::new_unique();
+    let first_mint_keypair = Keypair::new();
+    let first_mint = first_mint_keypair.pubkey();
+    let mut test_context = setup(first_mint_keypair, &authority).await;
+    let second_mint_keypair = Keypair::new();
+    let second_mint = second_mint_keypair.pubkey();
+    test_context
+        .init_token_with_mint_keypair_and_freeze_authority(
+            second_mint_keypair,
+            vec![ExtensionInitializationParams::GroupPointer {
+                authority: Some(authority),
+                group_address: Some(second_mint),
+            }],
+            None,
+        )
+        .await
+        .unwrap();
+
+    let token_context = test_context.token_context.take().unwrap();
+
+    let error = token_context
+        .token
+        .process_ixs(
+            &[spl_token_group_interface::instruction::initialize_group(
+                &spl_token_2022::id(),
+                &first_mint,
+                token_context.token.get_address(),
+                &token_context.mint_authority.pubkey(),
+                Some(Pubkey::new_unique()),
+                5,
+            )],
+            &[&token_context.mint_authority],
+        )
+        .await
+        .unwrap_err();
+
+    assert_eq!(
+        error,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(
+                0,
+                InstructionError::Custom(TokenError::MintMismatch as u32)
+            )
+        )))
+    );
+}
+
+#[tokio::test]
+async fn fail_without_signature() {
+    let authority = Pubkey::new_unique();
+    let mint_keypair = Keypair::new();
+    let mut test_context = setup(mint_keypair, &authority).await;
+
+    let token_context = test_context.token_context.take().unwrap();
+
+    let mut instruction = spl_token_group_interface::instruction::initialize_group(
+        &spl_token_2022::id(),
+        token_context.token.get_address(),
+        token_context.token.get_address(),
+        &token_context.mint_authority.pubkey(),
+        Some(Pubkey::new_unique()),
+        5,
+    );
+    instruction.accounts[2].is_signer = false;
+    let error = token_context
+        .token
+        .process_ixs(&[instruction], &[] as &[&dyn Signer; 0]) // yuck, but the compiler needs it
+        .await
+        .unwrap_err();
+
+    assert_eq!(
+        error,
+        TokenClientError::Client(Box::new(TransportError::TransactionError(
+            TransactionError::InstructionError(0, InstructionError::MissingRequiredSignature)
+        )))
+    );
+}

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

@@ -27,6 +27,7 @@ solana-program = "1.17.2"
 solana-zk-token-sdk = "1.17.2"
 spl-memo = { version = "4.0.0", path = "../../memo/program", features = [ "no-entrypoint" ] }
 spl-token = { version = "4.0",  path = "../program", features = ["no-entrypoint"] }
+spl-token-group-interface = { version = "0.1.0", path = "../../token-group/interface" }
 spl-token-metadata-interface = { version = "0.2.0", path = "../../token-metadata/interface" }
 spl-transfer-hook-interface = { version = "0.3.0", path = "../transfer-hook-interface" }
 spl-type-length-value = { version = "0.3.0", path = "../../libraries/type-length-value" }