Credit agency: Instantiation implementation

contracts/lending/credit-agency/src/contract.rs

@@ -27,7 +27,29 @@ pub fn instantiate(
     info: MessageInfo,
     msg: InstantiateMsg,
 ) -> Result<Response, ContractError> {
-    todo!();
+    let default_estimate_multiplier = if msg.default_estimate_multiplier >= Decimal::one() {
+        msg.default_estimate_multiplier
+    } else {
+        return Err(ContractError::InvalidEstimateMultiplier {});
+    };
+
+    // TODO: should we validate Tokens?
+    let cfg = Config {
+        gov_contract: msg.gov_contract,
+        lend_market_id: msg.lending_market_id,
+        lend_token_id: msg.lending_token_id,
+        reward_token: msg.reward_token,
+        common_token: msg.common_token,
+        liquidation_price: msg.liquidation_price,
+        borrow_limit_ratio: msg.borrow_limit_ratio,
+        default_estimate_multiplier,
+    };
+    CONFIG.save(deps.storage, &cfg)?;
+    NEXT_REPLY_ID.save(deps.storage, &0)?;
+
+    Ok(Response::new()
+        .add_attribute("method", "instantiate")
+        .add_attribute("owner", info.sender))
 }
 
 #[cfg_attr(not(feature = "library"), shd_entry_point)]

contracts/lending/credit-agency/src/msg.rs

@@ -2,14 +2,15 @@ use cosmwasm_schema::{cw_serde, QueryResponses};
 use shade_protocol::{
     c_std::{Addr, Decimal, Uint128},
     contract_interfaces::snip20::Snip20ReceiveMsg,
+    utils::asset::Contract,
 };
 
 use lending_utils::{coin::Coin, interest::Interest, token::Token};
 
 #[cw_serde]
 pub struct InstantiateMsg {
     /// The address that controls the credit agency and can set up markets
-    pub gov_contract: String,
+    pub gov_contract: Contract,
     /// The CodeId of the lending-market contract
     pub lending_market_id: u64,
     /// The CodeId of the lending-token contract
@@ -25,6 +26,9 @@ pub struct InstantiateMsg {
     /// This is used to prevent borrowers from being liquidated (almost) immediately after borrowing,
     /// because they maxed out their credit limit.
     pub borrow_limit_ratio: Decimal,
+    /// How much more of collateral will be used in swap then the estimated amount during
+    /// swap_withdraw_from
+    pub default_estimate_multiplier: Decimal,
 }
 
 #[cw_serde]