feat(blockchain):update call

README.md

@@ -27,6 +27,15 @@ yarn add tslib
 
 * [harmony-sdk-examples](https://github.com/FireStack-Lab/harmony-sdk-examples)
 
+# Packages
+
+1. [@harmony-js/core](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-core)
+2. [@harmony-js/account](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-account)
+3. [@harmony-js/crypto](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-crypto)
+4. [@harmony-js/network](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-network)
+5. [@harmony-js/utils](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-utils)
+6. [@harmony-js/transaction](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-transaction)
+7. [@harmony-js/contract](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-contract)
 
 # Hacking from source files
 
@@ -48,18 +57,6 @@ yarn watch
 - [E2E Tests](#E2E-tests)
 
 
-
-# Packages
-
-1. [@harmony-js/core](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-core)
-2. [@harmony-js/account](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-account)
-3. [@harmony-js/crypto](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-crypto)
-4. [@harmony-js/network](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-network)
-5. [@harmony-js/utils](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-utils)
-6. [@harmony-js/transaction](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-transaction)
-7. [@harmony-js/contract](https://github.com/FireStack-Lab/Harmony-sdk-core/tree/master/packages/harmony-contract)
-
-
 # Manually Build/bundle
 
 ## Build

package.json

@@ -7,7 +7,7 @@
   "scripts": {
     "bootstrap": "lerna bootstrap && yarn build:ts",
     "watch":"yarn build:ts -w",
-    "build": "gulp cleanServer && gulp cleanUnexpected && yarn build:ts",
+    "build": "yarn packages:clean && yarn build:ts",
     "build:ts": "tsc -b tsconfig.json",
     "build:test":"tsc -b tsconfig.test.json",
     "build:e2e":"tsc -b tsconfig.e2e.json",

packages/harmony-core/src/blockchain.ts

@@ -127,11 +127,7 @@ class Blockchain extends HarmonyCore {
   @assertObject({
     blockNumber: ['isBlockNumber', AssertType.required],
   })
-  async getBlockTransactionCountByNumber({
-    blockNumber,
-  }: {
-    blockNumber: string;
-  }) {
+  async getBlockTransactionCountByNumber({blockNumber}: {blockNumber: string}) {
     const result = await this.messenger.send(
       RPCMethod.GetBlockTransactionCountByNumber,
       [blockNumber],
@@ -349,6 +345,21 @@ class Blockchain extends HarmonyCore {
     return this.getRpcResult(result);
   }
 
+  async call({
+    payload,
+    blockNumber = DefaultBlockParams.latest,
+  }: {
+    payload: any;
+    blockNumber?: string;
+  }) {
+    const result = await this.messenger.send(
+      RPCMethod.Call,
+      [payload, blockNumber],
+      this.chainPrefix,
+    );
+    return this.getRpcResult(result);
+  }
+
   newPendingTransactions() {
     if (this.messenger.provider instanceof WSProvider) {
       return new NewPendingTransactions(this.messenger);