Merge pull request #308 from Zilliqa/feat/remove-get-pending-txn

feat/remove-get-pending-txn

packages/zilliqa-js-blockchain/README.md

@@ -248,6 +248,19 @@ for (const tx of batchResults) {
 }
 ```
 
+### `getTransactionStatus(txHash: string): Promise<RPCResponse<TransactionStatusObj>`
+
+Returns the status of a specified transaction. This API is available from Zilliqa V7.0.0 onwards and supports all transaction statuses (unconfirmed, confirmed, and rejected).
+
+**Parameters**
+- `txHash`: `string` - Specified TX id to check for the status.
+
+**Returns**
+
+- `Promise<RPCResponse<TransactionStatusObj>` - Status code of the transaction. Refer to [GetTransactionStatus](https://dev.zilliqa.com/docs/apis/api-transaction-get-transaction-status) for the full list of status code.
+
+*Note: This API is available only on https://api.zilliqa.com/. It is disabled for community-hosted or private-hosted seed nodes.*
+
 ### `getTxnBodiesForTxBlock(txBlock: number): Promise<RPCResponse<TransactionObj[], string>>`
 
 Returns the validated transactions (in verbose form) included within a specified final transaction block.

packages/zilliqa-js-blockchain/src/chain.ts

@@ -25,8 +25,6 @@ import {
   DsBlockObj,
   GET_TX_ATTEMPTS,
   TransactionStatusObj,
-  TransactionStatus,
-  PendingTxns,
   Provider,
   RPCMethod,
   RPCResponse,
@@ -649,31 +647,6 @@ export class Blockchain implements ZilliqaModule {
     return this.provider.send<string, string>(RPCMethod.GetMinimumGasPrice);
   }
 
-  /**
-   * getPendingTxns
-   *
-   * Returns the pending status of all unvalidated Transactions.
-   *
-   */
-  async getPendingTxns(): Promise<PendingTxns> {
-    try {
-      const response = await this.provider.send(RPCMethod.GetPendingTxns);
-      if (response.error) {
-        return Promise.reject(response.error);
-      }
-
-      if (response.result.Txns.length) {
-        response.result.Txns.forEach((txn: TransactionStatus) => {
-          txn.info = this.pendingErrorMap[txn.code];
-        });
-      }
-
-      return response.result;
-    } catch (err) {
-      throw err;
-    }
-  }
-
   /**
    * getBalance
    *

packages/zilliqa-js-blockchain/test/chain.spec.ts

@@ -308,37 +308,6 @@ describe('Module: Blockchain', () => {
     expect(result.statusMessage).toEqual('Confirmed');
   });
 
-  it('should receive pending transaction list', async () => {
-    const responses = [
-      {
-        id: 1,
-        jsonrpc: '2.0',
-        result: {
-          Txns: [
-            {
-              code: 1,
-              TxnHash:
-                'ec5ef8110a285563d0104269081aa77820058067091a9b3f3ae70f38b94abda3',
-            },
-          ],
-        },
-      },
-    ].map((res) => [JSON.stringify(res)] as [string]);
-
-    fetch.mockResponses(...responses);
-    const result = await blockchain.getPendingTxns();
-    expect(result.Txns).toBeDefined();
-    // @ts-ignore
-    expect(result.Txns).toEqual([
-      {
-        code: 1,
-        TxnHash:
-          'ec5ef8110a285563d0104269081aa77820058067091a9b3f3ae70f38b94abda3',
-        info: 'Pending - Dispatched',
-      },
-    ]);
-  });
-
   it('should receive miner info', async () => {
     const responses = [
       {

packages/zilliqa-js-core/src/net.ts

@@ -58,8 +58,6 @@ export enum RPCMethod {
   GetNumTxnsTxEpoch = 'GetNumTxnsTxEpoch',
   GetNumTxnsDSEpoch = 'GetNumTxnsDSEpoch',
   GetMinimumGasPrice = 'GetMinimumGasPrice',
-  GetPendingTxn = 'GetPendingTxn',
-  GetPendingTxns = 'GetPendingTxns',
 
   // Contract-related methods
   GetSmartContracts = 'GetSmartContracts',

packages/zilliqa-js-core/src/types.ts

@@ -258,22 +258,12 @@ export interface EventParam {
   value: any;
 }
 
-export interface PendingTxns {
-  Txns: TransactionStatus[];
-}
-
 export interface TransactionStatus {
   code: number;
   TxnHash: string;
   info: string;
 }
 
-export interface PendingTxnResult {
-  code: number;
-  confirmed: boolean;
-  pending: boolean;
-}
-
 export interface MinerInfo {
   dscommittee: string[];
   shards: ShardInfo[];