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

use cosmwasm_std::HumanAddr;

#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
#[serde(rename_all = "snake_case")]
pub struct Cw4InitMsg {
    /// The admin is the only account that can update the group state.
    /// Omit it to make the group immutable.
    pub admin: Option<HumanAddr>,
    pub members: Vec<Member>,
}

/// A group member has a weight associated with them.
/// This may all be equal, or may have meaning in the app that
/// makes use of the group (eg. voting power)
#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
pub struct Member {
    pub addr: HumanAddr,
    pub weight: u64,
}

#[derive(Serialize, Deserialize, Clone, PartialEq, JsonSchema, Debug)]
#[serde(rename_all = "snake_case")]
pub enum Cw4HandleMsg {
    /// Change the admin
    UpdateAdmin { admin: Option<HumanAddr> },
    /// apply a diff to the existing members.
    /// remove is applied after add, so if an address is in both, it is removed
    UpdateMembers {
        remove: Vec<HumanAddr>,
        add: Vec<Member>,
    },
}