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[rpc] start working on rpc shim #1

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93 changes: 92 additions & 1 deletion sdk/src/queries/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -210,7 +210,7 @@ use std::fmt::{Debug, Display};

use tendermint_rpc::endpoint::{
abci_info, block, block_results, blockchain, commit, consensus_params,
consensus_state, health, net_info, status,
consensus_state, health, net_info, status, validators
};
use tendermint_rpc::query::Query;
use tendermint_rpc::{Error as RpcError, Order};
Expand Down Expand Up @@ -429,6 +429,97 @@ pub trait Client {
self.perform(status::Request).await
}

/// Cosmos Shim

/// `/validators`: get validators at current block height unless specified
async fn validators(
&self,
height: Option<Height>,
prove: Option<bool>,
) -> Result<tendermint_rpc::endpoint::abci_query::AbciQuery, RpcError>
{
let query_path = "/cosmos.staking.v1beta1.Query/Validators".to_string();
let prove_value = prove.unwrap_or(false);

self.abci_query(
Some(query_path),
Vec::new(),
height,
prove_value,
)
.await
}

/// `/balances`: get balances at current block height unless specified
async fn balances(
&self,
address: Option<String>,
height: Option<Height>,
prove: Option<bool>,
) -> Result<tendermint_rpc::endpoint::abci_query::AbciQuery, RpcError> {
let query_path = "/cosmos.bank.v1beta1.Query/AllBalances".to_string();
let prove_value = prove.unwrap_or(false);

self.abci_query(
Some(query_path),
address.unwrap_or_default().into_bytes(),
height,
prove_value,
)
.await
}

/// `/delegator_rewards`: get delegator rewards at current block height unless specified
async fn delegator_rewards(
&self,
delegator_address: Option<String>,
validator_address: Option<String>,
height: Option<Height>,
prove: Option<bool>,
) -> Result<tendermint_rpc::endpoint::abci_query::AbciQuery, RpcError> {
let query_path = "/cosmos.distribution.v1beta1.Query/DelegationRewards".to_string();
let prove_value = prove.unwrap_or(false);

let mut query_data = Vec::new();
if let Some(delegator) = delegator_address {
query_data.extend_from_slice(delegator.as_bytes());
}

if let Some(validator) = validator_address {
query_data.extend_from_slice(validator.as_bytes());
}

self.abci_query(
Some(query_path),
query_data,
height,
prove_value,
).await
}

/// `/validator_delegations`: get validator delegations at current block height unless specified
async fn validator_delegations(
&self,
validator_address: Option<String>,
height: Option<Height>,
prove: Option<bool>,
) -> Result<tendermint_rpc::endpoint::abci_query::AbciQuery, RpcError> {
let query_path = "/cosmos.staking.v1beta1.Query/ValidatorDelegations".to_string();
let prove_value = prove.unwrap_or(false);

let mut query_data = Vec::new();
if let Some(validator) = validator_address {
query_data.extend_from_slice(validator.as_bytes());
}

self.abci_query(
Some(query_path),
query_data,
height,
prove_value,
).await
}

/// Perform a request against the RPC endpoint
async fn perform<R>(&self, request: R) -> Result<R::Output, RpcError>
where
Expand Down