> For the complete documentation index, see [llms.txt](https://docs.uxd.fi/uxdprogram-solana/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.uxd.fi/uxdprogram-solana/instructions/mint_with_identity_depository.md).

# mint\_with\_identity\_depository

### Flow

* Checks
  * Anchor IDL accounts checks
  * Validates: non-zero `collateral_amount`
  * Validates: user collateral is not less than the `collateral_amount` input
  * Validates: `mint_disabled` is false for the depository
* Handler
  * Transfer `collateral_amount` of from user collateral's ATA to `collateral_vault`
  * Mints the `redeemable_amount` (same as `collateral_amount`) of redeemable mint to the user
  * Updates the accounting in both `depository` and `controller`
  * Checks for any overflow on the `redeemable_circulating_supply` and `redeemable_amount_under_management_cap`
  * Emits Anchor `MintWithIdentityDepositoryEvent`  event

### Parameters

`collateral_amount` - the amount of collateral to be processed through minting

### Accounts in

{% code title="programs/uxd/src/instructions/mint\_with\_identity\_depository.rs" %}

```rust
// ...

#[derive(Accounts)]
pub struct MintWithIdentityDepository<'info> {
    /// #1 Public call accessible to any user
    pub user: Signer<'info>,

    /// #2
    #[account(mut)]
    pub payer: Signer<'info>,

    /// #3 The top level UXDProgram on chain account managing the redeemable mint
    #[account(
        mut,
        seeds = [CONTROLLER_NAMESPACE],
        bump = controller.load()?.bump,
        has_one = redeemable_mint @UxdError::InvalidRedeemableMint
    )]
    pub controller: AccountLoader<'info, Controller>,

    /// #4 UXDProgram on chain account bound to a Controller instance that represent the blank minting/redeeming
    #[account(
        mut,
        seeds = [IDENTITY_DEPOSITORY_NAMESPACE],
        bump = depository.load()?.bump,
    )]
    pub depository: AccountLoader<'info, IdentityDepository>,

    /// #5
    /// Token account holding the collateral from minting
    #[account(
        mut,
        seeds = [IDENTITY_DEPOSITORY_COLLATERAL_NAMESPACE],
        token::authority = depository,
        token::mint = depository.load()?.collateral_mint,
        bump = depository.load()?.collateral_vault_bump,
    )]
    pub collateral_vault: Box<Account<'info, TokenAccount>>,

    /// #6 The redeemable mint managed by the `controller` instance
    /// Tokens will be minted during this instruction
    #[account(
        mut,
        seeds = [REDEEMABLE_MINT_NAMESPACE],
        bump = controller.load()?.redeemable_mint_bump,
    )]
    pub redeemable_mint: Box<Account<'info, Mint>>,

    /// #7 The `user`'s TA for the `depository` `collateral_mint`
    /// Will be debited during this instruction
    #[account(
        mut,
        constraint = user_collateral.mint == depository.load()?.collateral_mint @UxdError::InvalidCollateralMint,
        constraint = &user_collateral.owner == user.key @UxdError::InvalidOwner,
    )]
    pub user_collateral: Box<Account<'info, TokenAccount>>,

    /// #8 The `user`'s TA for the `controller`'s `redeemable_mint`
    /// Will be credited during this instruction
    #[account(
        mut,
        constraint = user_redeemable.mint == controller.load()?.redeemable_mint @UxdError::InvalidRedeemableMint,
        constraint = &user_redeemable.owner == user.key @UxdError::InvalidOwner,
    )]
    pub user_redeemable: Box<Account<'info, TokenAccount>>,

    /// #9
    pub system_program: Program<'info, System>,

    /// #10 Token Program
    pub token_program: Program<'info, Token>,
}

// ...
```

{% endcode %}


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