From 45b5b923a045f07e1f64b57f0239e347c8b70584 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marin=20Petruni=C4=87?= <marin.petrunic@gmail.com>
Date: Sat, 4 May 2019 09:39:00 +0200
Subject: [PATCH 1/2] validator client interface

---
 src/validator/rpc/interface.ts | 44 ++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/validator/rpc/interface.ts

diff --git a/src/validator/rpc/interface.ts b/src/validator/rpc/interface.ts
new file mode 100644
index 000000000000..4378d3936ee2
--- /dev/null
+++ b/src/validator/rpc/interface.ts
@@ -0,0 +1,44 @@
+import {BeaconAPI} from "../../rpc/api";
+import {AttestationData, BeaconState, Slot} from "../../types";
+
+export interface RpcClient {
+
+  beacon: BeaconAPI;
+
+  //validator: ValidatorAPI
+
+  /**
+   * Initiates connection to rpc server.
+   */
+  connect(): Promise<void>;
+
+  /**
+   * Initiates connection to rpc server.
+   */
+  disconnect(): Promise<void>;
+
+  /**
+   * Invokes callback on new slot.
+   * Depending on implementation it will poll for new slot or getting notified(Websockets)
+   * @param cb
+   */
+  onNewSlot(cb: (slot: Slot) => void);
+
+
+  /**
+   * Invokes callback on new head block.
+   * Depending on implementation it will poll for new head block or getting notified(Websockets)
+   * @param cb
+   */
+  onNewBeaconState(cb: (state: BeaconState) => void);
+
+  /**
+   * Invokes callback on new attestation data.
+   * Depending on implementation it will poll for attestation data or getting notified(Websockets)
+   * @param cb
+   */
+  onNewAttestation(cb: (attestation: AttestationData) => void);
+
+
+
+}

From b3302c5727ff5896d3c66c04a7e441dce3b2406c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marin=20Petruni=C4=87?= <marin.petrunic@gmail.com>
Date: Sat, 4 May 2019 09:41:50 +0200
Subject: [PATCH 2/2] fix typo

---
 src/validator/rpc/interface.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/validator/rpc/interface.ts b/src/validator/rpc/interface.ts
index 4378d3936ee2..b6fef94bc890 100644
--- a/src/validator/rpc/interface.ts
+++ b/src/validator/rpc/interface.ts
@@ -13,7 +13,7 @@ export interface RpcClient {
   connect(): Promise<void>;
 
   /**
-   * Initiates connection to rpc server.
+   * Destroys connection to rpc server.
    */
   disconnect(): Promise<void>;