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Lock

The Lock contract is responsible for locking up UST returned from shorting a mAsset through Mirror Mint operation.

InitMsg

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct InitMsg {
    pub owner: HumanAddr,
    pub mint_contract: HumanAddr,
    pub base_denom: String,
    pub lockup_period: u64,
}
Key Type Description
owner HumanAddr Owner address of Mirror Lock
mint_contract HumanAddr Address of Mirror Mint
base_denom String Native token denomination for stablecoin (TerraUSD)
lockup_period u64 Length of time in seconds which the UST from shorting will be locked for

HandleMsg

UpdateConfig

Updates the configuration of Lock contract. Can only be issued by the owner of the Mirror Lock.

{% tabs %} {% tab title="Rust" %}

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum HandleMsg {
    UpdateConfig {
        owner: Option<HumanAddr>,
        mint_contract: Option<HumanAddr>,
        base_denom: Option<String>,
        lockup_period: Option<u64>,
    }

{% endtab %}

{% tab title="JSON" %}

{
    "update_config": {
        "owner": "terra1...",
        "mint_contract": "terra1...",
        "base_denom": "uusd",
        "lockup_period": 8
    }
}

{% endtab %} {% endtabs %}

Key Type Description
owner* HumanAddr Owner address of Mirror Lock
mint_contract* HumanAddr Address of Mirror Mint
base_denom* String Native token denomination for stablecoin (TerraUSD)
lockup_period* u64 Length of time in seconds which the UST from shorting witll be locked for

*= optional

LockPositionFundsHook

Locks the UST from shorting mAsset when short CDP is successfully created on Mirror Mint.

{% tabs %} {% tab title="Rust" %}

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum HandleMsg {
    LockPositionFundsHook {
        position_idx: Uint128,
        receiver: HumanAddr,
    }

{% endtab %}

{% tab title="JSON" %}

{
    "lock_position_funds_hook": {
        "position_idx": "10",
        "receiver": "terra1..."
    }
}

{% endtab %} {% endtabs %}

Key Type Description
position_idx Uint128 ID number of CDP from Mirror Mint
receiver HumanAddr Creator of CDP, who will receive unlocked funds

UnlockPositionFunds

Locked UST fromLockPositionFundsHookis unlocked by sending this message afterlockup_periodhas passed. Can only be issued by the owner of the position (receiver).

{% tabs %} {% tab title="Rust" %}

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum HandleMsg {
    UnlockPositionFunds {
        position_idx: Uint128,
    }

{% endtab %}

{% tab title="JSON" %}

{
    "unlock_position_funds": {
        "position_idx": "10"
    }
}

{% endtab %} {% endtabs %}

Key Type Description
position_idx Uint128 ID number of CDP from Mirror Mint to unlock funds from

ReleasePositionFunds

Locked funds will be released and sent to the CDP creator upon closing of the position. This message unlocks funds even whenlock_periodhas not ended yet. Can only be issued by the mint contract when the position is being closed.

{% tabs %} {% tab title="Rust" %}

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum HandleMsg {
    ReleasePositionFunds {
        position_idx: Uint128,
    }

{% endtab %}

{% tab title="JSON" %}

{
    "release_position_funds": {
        "position_idx": "10"
    }
}

{% endtab %} {% endtabs %}

Key Type Description
position_idx Uint128 ID number of CDP from Mirror Mint to unlock funds from

QueryMsg

Config

Returns the configuration of Mirror Lock.

{% tabs %} {% tab title="Rust" %}

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum QueryMsg {
    Config {}

Response

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct ConfigResponse {
    pub owner: HumanAddr,
    pub mint_contract: HumanAddr,
    pub base_denom: String,
    pub lockup_period: u64,
}
Key Type Description
owner HumanAddr Owner address of Mirror Lock
mint_contract HumanAddr Address of Mirror Mint
base_denom String Native token denomination for stablecoin (TerraUSD)
lockup_period u64 Length of time in seconds which the UST from shorting will be locked for
{% endtab %}

{% tab title="JSON" %}

{
    "config": {}
}

Response

{
    "config_response": {
        "owner": "terra1...",
        "mint_contract": "terra1...",
        "base_denom": "uusd",
        "lockup_period": 10
    }
}
Key Type Description
owner HumanAddr Owner address of Mirror Lock
mint_contract HumanAddr Address of Mirror Mint
base_denom String Native token denomination for stablecoin (TerraUSD)
lockup_period u64 Number of blocks which the UST from shorting will be locked for
{% endtab %}
{% endtabs %}

PositionLockInfo

Returns information about locked funds of a specific CDP.

{% tabs %} {% tab title="Rust" %}

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum QueryMsg {
    PositionLockInfo {
        position_idx: Uint128,
    }
Key Type Description
position_idx Uint128 ID number of CDP from Mirror Mint to unlock funds from

Response

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct PositionLockInfoResponse {
    pub idx: Uint128,
    pub receiver: HumanAddr,
    pub locked_amount: Uint128,
    pub unlock_time: u64,
}
Key Type Description
idx Uint128 ID number of CDP from Mirror Mint to unlock funds from
receiver HumanAddr Creator of CDP, who will receive unlocked funds
locked_amount Uint128 Amount of base_denom locked from creating a Short CDP
unlock_time u64 Time when user is allowed to claim the locked_amount
{% endtab %}

{% tab title="JSON" %}

{
    "position_lock_info": {
        "position_idx": "10"
    }
}
Key Type Description
position_idx Uint128 ID number of CDP from Mirror Mint to unlock funds from

Response

{
    "position_lock_info_response": {
        "idx": "10",
        "receiver": "terra1...",
        "locked_funds": [
            [100, "1400"]
        ]
    }
}
Key Type Description
idx Uint128 ID number of CDP from Mirror Mint to unlock funds from
receiver HumanAddr Creator of CDP, who will receive unlocked funds
locked_funds Vec<(u64, Uint128)>

Description about
1. Block height which the fund was locked at
2. Amount of base_denom locked
from creating a Short CDP
{% endtab %}
{% endtabs %}