From ae65a63ce8dec565504b8fc5878bdb17a56eec8d Mon Sep 17 00:00:00 2001
From: Peter Grassberger <petertheone@gmail.com>
Date: Sat, 3 Oct 2020 18:48:51 +0200
Subject: [PATCH 1/2] Add RPC eth_symbol test

---
 rpc/src/v1/tests/mocked/eth.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/rpc/src/v1/tests/mocked/eth.rs b/rpc/src/v1/tests/mocked/eth.rs
index 5f81c1a65c0..4dd9206027b 100644
--- a/rpc/src/v1/tests/mocked/eth.rs
+++ b/rpc/src/v1/tests/mocked/eth.rs
@@ -187,6 +187,15 @@ fn rpc_eth_chain_id() {
 	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
 }
 
+#[test]
+fn rpc_eth_symbol() {
+	let tester = EthTester::default();
+	let request = r#"{"jsonrpc": "2.0", "method": "eth_symbol", "params": [], "id": 1}"#;
+	let response = r#"{"jsonrpc":"2.0","result":null,"id":1}"#;
+
+	assert_eq!(tester.io.handle_request_sync(request), Some(response.to_owned()));
+}
+
 #[test]
 fn rpc_eth_hashrate() {
 	let tester = EthTester::default();

From a24e09ffa4dc1b1c28e5289eee34616dc2c16aaa Mon Sep 17 00:00:00 2001
From: PeterTheOne <petertheone@gmail.com>
Date: Sat, 3 Oct 2020 23:14:51 +0200
Subject: [PATCH 2/2] Add RPC eth_symbol static wip

---
 rpc/src/v1/impls/eth.rs       | 5 +++++
 rpc/src/v1/impls/light/eth.rs | 5 +++++
 rpc/src/v1/traits/eth.rs      | 4 ++++
 3 files changed, 14 insertions(+)

diff --git a/rpc/src/v1/impls/eth.rs b/rpc/src/v1/impls/eth.rs
index fa28a7e4303..c7ff185ebd8 100644
--- a/rpc/src/v1/impls/eth.rs
+++ b/rpc/src/v1/impls/eth.rs
@@ -597,6 +597,11 @@ impl<C, SN: ?Sized, S: ?Sized, M, EM, T: StateInfo + 'static> Eth for EthClient<
 		Ok(self.client.signing_chain_id().map(U64::from))
 	}
 
+	fn symbol(&self) -> Result<String> {
+		// TODO: symbol should be configurable
+		Ok("ETH".to_string())
+	}
+
 	fn hashrate(&self) -> Result<U256> {
 		Ok(self.external_miner.hashrate())
 	}
diff --git a/rpc/src/v1/impls/light/eth.rs b/rpc/src/v1/impls/light/eth.rs
index 42e95800728..baf2d931645 100644
--- a/rpc/src/v1/impls/light/eth.rs
+++ b/rpc/src/v1/impls/light/eth.rs
@@ -266,6 +266,11 @@ where
 		Ok(self.client.signing_chain_id().map(U64::from))
 	}
 
+	fn symbol(&self) -> Result<String> {
+		// TODO: symbol should be configurable
+		Ok("ETH".to_string())
+	}
+
 	fn hashrate(&self) -> Result<U256> {
 		Ok(Default::default())
 	}
diff --git a/rpc/src/v1/traits/eth.rs b/rpc/src/v1/traits/eth.rs
index 8fb1bba7041..5978cb3cfc6 100644
--- a/rpc/src/v1/traits/eth.rs
+++ b/rpc/src/v1/traits/eth.rs
@@ -54,6 +54,10 @@ pub trait Eth {
 	#[rpc(name = "eth_chainId")]
 	fn chain_id(&self) -> Result<Option<U64>>;
 
+	/// Returns native coin symbol.
+	#[rpc(name = "eth_symbol")]
+	fn symbol(&self) -> Result<String>;
+
 	/// Returns current gas_price.
 	#[rpc(name = "eth_gasPrice")]
 	fn gas_price(&self) -> BoxFuture<U256>;