2 files changed, 13 insertions, 0 deletions
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index f207b7293..2e4c5f091 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "version": "0.6.0",
+        "changes": [
+            {
+                "note": "Add Provider type",
+                "pr": 501
+            }
+        ]
+    },
+    {
         "version": "0.5.0",
         "changes": [
             {
diff --git a/packages/types/src/index.ts b/packages/types/src/index.ts
index 419611695..442fbb2d6 100644
--- a/packages/types/src/index.ts
+++ b/packages/types/src/index.ts
@@ -1,5 +1,9 @@
 import { BigNumber } from 'bignumber.js';
 
+export interface Provider {
+    sendAsync(payload: JSONRPCRequestPayload, callback: (err: Error, result: JSONRPCResponsePayload) => void): void;
+}
+
 export type ContractAbi = AbiDefinition[];
 
 export type AbiDefinition = FunctionAbi | EventAbi;