Add account RPC endpoints (#3976)

* add new account module

* update arguments

* update changelog

* replace U256 to Number

* add eth_accounts method

CHANGELOG.md

@@ -32,6 +32,8 @@
 - Add new Ethreum RPC endpoints for getting block info: eth_getBlockByHash, eth_getBlockByNumber, eth_getBlockTransactionCountByHash, eth_getBlockTransactionCountByNumber, eth_getUncleCountByBlockHash, eth_getUncleCountByBlockNumber, eth_blockNumber
 - Add new Ethreum RPC endpoints for transaction handling: eth_sendTransaction, eth_sendRawTransaction, eth_getTransactionByHash, eth_getTransactionByBlockHashAndIndex, eth_getTransactionByBlockNumberAndIndex, eth_getTransactionReceipt, eth_signTransaction, eth_estimateGas, eth_sign
 - Add new Ethreum RPC endpoints for getting chain info: eth_chainId, eth_syncing, eth_gasPrice, eth_protocolVersion
+- Add new Ethreum RPC endpoints for account handling: eth_accounts, eth_getTransactionCount, eth_getBalance, eth_getCode, eth_getStorageAt
+
 ## Release 0.13.0
 
 **New features:**

jormungandr/src/jrpc/eth_account/logic.rs

@@ -0,0 +1,48 @@
+use super::Error;
+use crate::{
+    context::Context,
+    jrpc::eth_types::{block_number::BlockNumber, bytes::Bytes, number::Number},
+};
+use chain_evm::ethereum_types::{H160, H256};
+
+pub fn accounts(_context: &Context) -> Result<Vec<H160>, Error> {
+    // TODO implement
+    Ok(vec![H160::zero()])
+}
+
+pub fn get_transaction_count(
+    _address: H160,
+    _block_number: BlockNumber,
+    _context: &Context,
+) -> Result<Number, Error> {
+    // TODO implement
+    Ok(0.into())
+}
+
+pub fn get_balance(
+    _address: H160,
+    _block_number: BlockNumber,
+    _context: &Context,
+) -> Result<Number, Error> {
+    // TODO implement
+    Ok(0.into())
+}
+
+pub fn get_code(
+    _address: H160,
+    _block_number: BlockNumber,
+    _context: &Context,
+) -> Result<Bytes, Error> {
+    // TODO implement
+    Ok(Default::default())
+}
+
+pub fn get_storage_at(
+    _address: H160,
+    _key: H256,
+    _block_number: BlockNumber,
+    _context: &Context,
+) -> Result<H256, Error> {
+    // TODO implement
+    Ok(H256::zero())
+}

jormungandr/src/jrpc/eth_account/mod.rs

@@ -0,0 +1,57 @@
+use jsonrpsee_http_server::RpcModule;
+
+use crate::context::ContextLock;
+
+mod logic;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error {}
+
+pub fn eth_account_module(context: ContextLock) -> RpcModule<ContextLock> {
+    let mut module = RpcModule::new(context);
+
+    module
+        .register_async_method("eth_accounts", |_, context| async move {
+            let context = context.read().await;
+            logic::accounts(&context).map_err(|err| jsonrpsee_core::Error::Custom(err.to_string()))
+        })
+        .unwrap();
+
+    module
+        .register_async_method("eth_getTransactionCount", |params, context| async move {
+            let context = context.read().await;
+            let (address, block_number) = params.parse()?;
+            logic::get_transaction_count(address, block_number, &context)
+                .map_err(|err| jsonrpsee_core::Error::Custom(err.to_string()))
+        })
+        .unwrap();
+
+    module
+        .register_async_method("eth_getBalance", |params, context| async move {
+            let context = context.read().await;
+            let (address, block_number) = params.parse()?;
+            logic::get_balance(address, block_number, &context)
+                .map_err(|err| jsonrpsee_core::Error::Custom(err.to_string()))
+        })
+        .unwrap();
+
+    module
+        .register_async_method("eth_getCode", |params, context| async move {
+            let context = context.read().await;
+            let (address, block_number) = params.parse()?;
+            logic::get_code(address, block_number, &context)
+                .map_err(|err| jsonrpsee_core::Error::Custom(err.to_string()))
+        })
+        .unwrap();
+
+    module
+        .register_async_method("eth_getStorageAt", |params, context| async move {
+            let context = context.read().await;
+            let (address, key, block_number) = params.parse()?;
+            logic::get_storage_at(address, key, block_number, &context)
+                .map_err(|err| jsonrpsee_core::Error::Custom(err.to_string()))
+        })
+        .unwrap();
+
+    module
+}

jormungandr/src/jrpc/mod.rs

@@ -1,4 +1,6 @@
 #[cfg(feature = "evm")]
+mod eth_account;
+#[cfg(feature = "evm")]
 mod eth_block_info;
 #[cfg(feature = "evm")]
 mod eth_chain_info;
@@ -35,7 +37,11 @@ pub async fn start_jrpc_server(config: Config, _context: ContextLock) {
             .unwrap();
 
         modules
-            .merge(eth_transaction::eth_transaction_module(_context))
+            .merge(eth_transaction::eth_transaction_module(_context.clone()))
+            .unwrap();
+
+        modules
+            .merge(eth_account::eth_account_module(_context))
             .unwrap();
     }