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feat: get fee for transactions for stratum transcoder #3571

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merged 2 commits into from
Nov 16, 2021
Merged

feat: get fee for transactions for stratum transcoder #3571

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ec1ded9
feat: get fee for transactions for stratum transcoder
StriderDM Nov 14, 2021
687e0b9
Merge branch 'development' into stratum_transcoder_get_transaction_fee
aviator-app[bot] Nov 16, 2021
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59 changes: 59 additions & 0 deletions applications/tari_stratum_transcoder/src/proxy.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -480,6 +480,64 @@ impl InnerService {
proxy::json_response(StatusCode::OK, &json_response)
}

async fn handle_get_fee(
&self,
request: Request<json::Value>,
) -> Result<Response<Body>, StratumTranscoderProxyError> {
let request = request.body();
let transactions = match request["params"]["transactions"].as_array() {
Some(v) => v,
None => {
return proxy::json_response(
StatusCode::OK,
&json_rpc::error_response(
request["id"].as_i64(),
1,
"`transactions` field is empty or an invalid type for transfer request.",
None,
),
)
},
};

let mut grpc_transaction_info = Vec::new();
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nit: just a note that this is a situation where a Vec::with_capacity() is a slight optimization

for transaction in transactions.iter() {
grpc_transaction_info.push(
transaction["transaction_id"]
.as_str()
.unwrap()
.to_string()
.parse::<u64>()
.unwrap(),
);
}

let mut client = self.wallet_client.clone();

let transaction_info_results = client
.get_transaction_info(grpc::GetTransactionInfoRequest {
transaction_ids: grpc_transaction_info,
})
.await?
.into_inner();
let info_results = &transaction_info_results.transactions;

let mut results = Vec::new();
for info_result in info_results.iter() {
let result = json!({
"transaction_id": info_result.tx_id,
"fee": info_result.fee,
});
results.push(result.as_object().unwrap().clone());
}

let json_response = json!({
"jsonrpc": "2.0",
"result": {"fee_results" : results},
});
proxy::json_response(StatusCode::OK, &json_response)
}

async fn handle_transfer(
&self,
request: Request<json::Value>,
Expand Down Expand Up @@ -586,6 +644,7 @@ impl InnerService {
"getlastblockheader" | "get_last_block_header" => self.handle_get_last_block_header(request).await,
"transfer" => self.handle_transfer(request).await,
"getbalance" | "get_balance" => self.handle_get_balance(request).await,
"getfee" | "get_fee" => self.handle_get_fee(request).await,
_ => {
let request = request.body();
proxy_resp = Response::new(standard_error_response(
Expand Down