[token-cli] Add support for confidential mint burn extension (Initialize, Mint, Burn, ApplyPendingBurn) (#1244)

* add confidential mint burn support in token-cli

* address review comments

* update `get_mint_info` to take in `confidential_mint_burn` parameter

* fix a bad merge

* cargo fmt

Author: samkim-crypto

clients/cli/Cargo.toml

@@ -30,8 +30,8 @@ solana-logger = "3.0.0"
 solana-remote-wallet = { version = "3.1.0", features = ["agave-unstable-api"] }
 solana-sdk = "3.0.0"
 solana-system-interface = "3.2.0"
-solana-zk-sdk = "7.0.1"
 solana-zk-elgamal-proof-interface = "0.1.3"
+solana-zk-sdk = "7.0.1"
 solana-zk-sdk-pod = "0.1.2"
 spl-associated-token-account-interface = { version = "2.0.0" }
 spl-memo-interface = "2.1.0"

clients/cli/src/bench.rs

@@ -247,7 +247,7 @@ async fn command_deposit_into_or_withdraw_from(
     println!("Scanning accounts...");
     let program_id = get_valid_mint_program_id(rpc_client, token).await?;
 
-    let mint_info = config.get_mint_info(token, None).await?;
+    let mint_info = config.get_mint_info(token, None, None).await?;
     let from_or_to = from_or_to
         .unwrap_or_else(|| get_associated_token_address_with_program_id(owner, token, &program_id));
     config.check_account(&from_or_to, Some(*token)).await?;

clients/cli/src/clap_app.rs

@@ -167,6 +167,7 @@ pub enum CommandName {
     DepositConfidentialTokens,
     WithdrawConfidentialTokens,
     ApplyPendingBalance,
+    ApplyPendingBurn,
     UpdateGroupAddress,
     UpdateMemberAddress,
     UpdateUiAmountMultiplier,
@@ -943,6 +944,16 @@ pub fn app<'a>(
                         .conflicts_with("enable_permissioned_burn")
                         .help("Specify a permissioned burn authority for the mint. Defaults to the mint authority.")
                 )
+                .arg(
+                    Arg::with_name("enable_confidential_mint_burn")
+                        .long("enable-confidential-mint-burn")
+                        .takes_value(false)
+                        .requires("enable_confidential_transfers")
+                        .help(
+                            "Enable the confidential mint and burn extension. \
+                            Requires confidential transfers to be enabled."
+                        ),
+                )
                 .arg(multisig_signer_arg())
                 .nonce_args(true)
                 .arg(memo_arg())
@@ -1552,6 +1563,13 @@ pub fn app<'a>(
                              This may be a keypair file or the ASK keyword."
                         ),
                 )
+                .arg(
+                    Arg::with_name("confidential")
+                    .long("confidential")
+                    .takes_value(false)
+                    .help("Burn tokens confidentially. Required for \
+                            offline signing on confidential mints."),
+                )
                 .arg(multisig_signer_arg())
                 .mint_args()
                 .nonce_args(true)
@@ -1611,6 +1629,13 @@ pub fn app<'a>(
                              Defaults to the client keypair."
                         ),
                 )
+                .arg(
+                    Arg::with_name("confidential")
+                        .long("confidential")
+                        .takes_value(false)
+                        .help("Mint tokens confidentially. Required for \
+                            offline signing on confidential mints."),
+                )
                 .arg(mint_decimals_arg())
                 .arg(multisig_signer_arg())
                 .nonce_args(true)
@@ -2805,6 +2830,29 @@ pub fn app<'a>(
                 .arg(multisig_signer_arg())
                 .nonce_args(true)
         )
+        .subcommand(
+            SubCommand::with_name(CommandName::ApplyPendingBurn.into())
+                .about("Apply pending burn amount to the confidential supply")
+                .arg(
+                    Arg::with_name("token")
+                        .validator(|s| is_valid_pubkey(s))
+                        .value_name("TOKEN_MINT_ADDRESS")
+                        .takes_value(true)
+                        .index(1)
+                        .required(true)
+                        .help("The token mint address"),
+                )
+                .arg(
+                    owner_keypair_arg_with_value_name("MINT_AUTHORITY_KEYPAIR")
+                        .help(
+                            "Specify the mint authority keypair. \
+                            This may be a keypair file or the ASK keyword. \
+                            Defaults to the client keypair."
+                        )
+                )
+                .arg(multisig_signer_arg())
+                .nonce_args(true)
+        )
         .subcommand(
             SubCommand::with_name(CommandName::UpdateUiAmountMultiplier.into())
                 .about("Update UI multiplier")