boot-core 0.10.0

Scripting library for deploying and interacting with CosmWasm smart-contracts
Documentation 
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use super::cosmos_modules;
use super::error::DaemonError;
use cosmrs::tendermint::{Block, Time};
use tonic::transport::Channel;

pub(super) struct DaemonQuerier;

impl DaemonQuerier {
    pub async fn latest_block(channel: Channel) -> Result<Block, DaemonError> {
        let mut client = cosmos_modules::tendermint::service_client::ServiceClient::new(channel);
        #[allow(deprecated)]
        let resp = client
            .get_latest_block(cosmos_modules::tendermint::GetLatestBlockRequest {})
            .await?
            .into_inner();
        Ok(Block::try_from(resp.block.unwrap())?)
    }

    pub async fn block_height(channel: Channel) -> Result<u64, DaemonError> {
        let block = Self::latest_block(channel).await?;
        Ok(block.header.height.value())
    }

    /// Returns the block timestamp (since unix epoch) in nanos
    #[allow(unused)]
    pub async fn block_time(channel: Channel) -> Result<u128, DaemonError> {
        let block = Self::latest_block(channel).await?;
        Ok(block
            .header
            .time
            .duration_since(Time::unix_epoch())?
            .as_nanos())
    }

    pub async fn simulate_tx(channel: Channel, tx_bytes: Vec<u8>) -> Result<u64, DaemonError> {
        let mut client = cosmos_modules::tx::service_client::ServiceClient::new(channel);
        #[allow(deprecated)]
        let resp = client
            .simulate(cosmos_modules::tx::SimulateRequest { tx: None, tx_bytes })
            .await?
            .into_inner();
        let gas_used = resp.gas_info.unwrap().gas_used;
        Ok(gas_used)
    }

    pub async fn code_id_hash(channel: Channel, code_id: u64) -> Result<String, DaemonError> {
        use cosmos_modules::cosmwasm::query_client::*;
        use cosmos_modules::cosmwasm::QueryCodeRequest;
        // query hash of code-id
        let mut client: QueryClient<Channel> = QueryClient::new(channel);
        let request = QueryCodeRequest { code_id };
        let resp = client.code(request).await?.into_inner();
        let contract_hash = resp.code_info.unwrap().data_hash;
        let on_chain_hash = base16::encode_lower(&contract_hash);
        Ok(on_chain_hash)
    }

    pub async fn contract_info(
        channel: Channel,
        address: impl Into<String>,
    ) -> Result<cosmos_modules::cosmwasm::ContractInfo, DaemonError> {
        use cosmos_modules::cosmwasm::query_client::*;
        use cosmos_modules::cosmwasm::QueryContractInfoRequest;
        // query hash of code-id
        let mut client: QueryClient<Channel> = QueryClient::new(channel);
        let request = QueryContractInfoRequest {
            address: address.into(),
        };
        let resp = client.contract_info(request).await?.into_inner();
        let contract_info = resp.contract_info.unwrap();
        Ok(contract_info)
    }
}