evm: eth_getBlockTransactionCountBy RPC implementations

lib/ain-grpc/src/rpc.rs

@@ -2,7 +2,9 @@ use crate::codegen::rpc::{
     ffi::{
         EthAccountsResult, EthBlockInfo, EthBlockNumberResult, EthCallInput, EthCallResult,
         EthChainIdResult, EthGetBalanceInput, EthGetBalanceResult, EthGetBlockByHashInput,
-        EthGetBlockByNumberInput, EthMiningResult, EthTransactionInfo,
+        EthGetBlockByNumberInput, EthGetBlockTransactionCountByHashInput,
+        EthGetBlockTransactionCountByHashResult, EthGetBlockTransactionCountByNumberInput,
+        EthGetBlockTransactionCountByNumberResult, EthMiningResult, EthTransactionInfo,
     },
     EthService,
 };
@@ -45,6 +47,16 @@ pub trait EthServiceApi {
     ) -> Result<EthBlockInfo, jsonrpsee_core::Error>;
 
     fn Eth_Mining(handler: Arc<Handlers>) -> Result<EthMiningResult, jsonrpsee_core::Error>;
+
+    fn Eth_GetBlockTransactionCountByHash(
+        handler: Arc<Handlers>,
+        input: EthGetBlockTransactionCountByHashInput,
+    ) -> Result<EthGetBlockTransactionCountByHashResult, jsonrpsee_core::Error>;
+
+    fn Eth_GetBlockTransactionCountByNumber(
+        handler: Arc<Handlers>,
+        input: EthGetBlockTransactionCountByNumberInput,
+    ) -> Result<EthGetBlockTransactionCountByNumberResult, jsonrpsee_core::Error>;
 }
 
 impl EthServiceApi for EthService {
@@ -211,6 +223,36 @@ impl EthServiceApi for EthService {
 
         Ok(EthMiningResult { is_mining: mining })
     }
+
+    fn Eth_GetBlockTransactionCountByHash(
+        handler: Arc<Handlers>,
+        input: EthGetBlockTransactionCountByHashInput,
+    ) -> Result<EthGetBlockTransactionCountByHashResult, jsonrpsee_core::Error> {
+        let EthGetBlockTransactionCountByHashInput { block_hash } = input;
+
+        let block_hash = block_hash.parse().expect("Invalid hash");
+        let block = handler.block.get_block_by_hash(block_hash).unwrap();
+        let count = block.transactions.len();
+
+        Ok(EthGetBlockTransactionCountByHashResult {
+            number_transaction: format!("{:#x}", count),
+        })
+    }
+
+    fn Eth_GetBlockTransactionCountByNumber(
+        handler: Arc<Handlers>,
+        input: EthGetBlockTransactionCountByNumberInput,
+    ) -> Result<EthGetBlockTransactionCountByNumberResult, jsonrpsee_core::Error> {
+        let EthGetBlockTransactionCountByNumberInput { block_number } = input;
+
+        let number: usize = block_number.parse().ok().unwrap();
+        let block = handler.block.get_block_by_number(number).unwrap();
+        let count = block.transactions.len();
+
+        Ok(EthGetBlockTransactionCountByNumberResult {
+            number_transaction: format!("{:#x}", count),
+        })
+    }
 }
 
 fn format_hash(hash: H256) -> String {

lib/proto/rpc/eth.proto

@@ -29,4 +29,9 @@ service eth {
   rpc Eth_GetBlockByNumber(types.EthGetBlockByNumberInput) returns (types.EthBlockInfo);
 
   rpc Eth_Mining(google.protobuf.Empty) returns (types.EthMiningResult);
+
+  rpc Eth_GetBlockTransactionCountByHash(types.EthGetBlockTransactionCountByHashInput) returns (types.EthGetBlockTransactionCountByHashResult);
+
+  rpc Eth_GetBlockTransactionCountByNumber(types.EthGetBlockTransactionCountByNumberInput) returns (types.EthGetBlockTransactionCountByNumberResult);
+
 }