ve3_shared/adapters/
eris.rs

1use cosmwasm_schema::cw_serde;
2use cosmwasm_std::{
3  coin, to_json_binary, Addr, CosmosMsg, Decimal, QuerierWrapper, StdResult, WasmMsg,
4};
5use cw_asset::Asset;
6use serde::{Deserialize, Serialize};
7
8use crate::error::SharedError;
9
10pub struct ErisHub<'a>(pub &'a Addr);
11
12#[cw_serde]
13pub enum QueryMsg {
14  State {},
15}
16
17#[cw_serde]
18pub enum ExecuteMsg {
19  Bond {
20    receiver: Option<String>,
21  },
22}
23
24#[derive(Deserialize, Serialize)]
25pub struct StateResponse {
26  /// The exchange rate between ustake and uluna, in terms of uluna per ustake
27  pub exchange_rate: Decimal,
28}
29
30impl<'a> ErisHub<'a> {
31  pub fn bond_msg(&self, asset: Asset, receiver: Option<String>) -> Result<CosmosMsg, SharedError> {
32    match asset.info {
33      cw_asset::AssetInfoBase::Native(denom) => Ok(CosmosMsg::Wasm(WasmMsg::Execute {
34        contract_addr: self.0.to_string(),
35        msg: to_json_binary(&ExecuteMsg::Bond {
36          receiver,
37        })?,
38        funds: vec![coin(asset.amount.u128(), denom)],
39      })),
40      _ => Err(SharedError::NotSupported("only native supported".to_string())),
41    }
42  }
43
44  pub fn query_exchange_rate(&self, querier: &QuerierWrapper) -> StdResult<Decimal> {
45    let result: StateResponse =
46      querier.query_wasm_smart(self.0.to_string(), &QueryMsg::State {})?;
47    Ok(result.exchange_rate)
48  }
49}
ve3_shared/adapters/eris.rs

ve3_shared/adapters/
eris.rs
