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use schemars::JsonSchema;
use serde::{Deserialize, Serialize};

use cosmwasm_std::{Decimal, HumanAddr, Uint128};
use cw20::Cw20ReceiveMsg;

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct InitMsg {
    pub anchor_token: HumanAddr,
    pub staking_token: HumanAddr, // lp token of ANC-UST pair contract
}

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum HandleMsg {
    Receive(Cw20ReceiveMsg),
    Unbond {
        amount: Uint128,
    },
    /// Withdraw pending rewards
    Withdraw {},
}

#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
#[serde(rename_all = "snake_case")]
pub enum Cw20HookMsg {
    Bond {},
    DepositReward {},
}

/// We currently take no arguments for migrations
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct MigrateMsg {}

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

// We define a custom struct for each query response
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct ConfigResponse {
    pub anchor_token: HumanAddr,
    pub staking_token: HumanAddr,
}

// We define a custom struct for each query response
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct PoolInfoResponse {
    pub total_bond_amount: Uint128,
    pub reward_index: Decimal,
    pub pending_reward: Uint128,
}

// We define a custom struct for each query response
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
pub struct RewardInfoResponse {
    pub staker: HumanAddr,
    pub index: Decimal,
    pub bond_amount: Uint128,
    pub pending_reward: Uint128,
}