From 60981f2031167570930a994ecdaf2e1a4b251cc6 Mon Sep 17 00:00:00 2001
From: Justin Starry <justin@solana.com>
Date: Sat, 4 Apr 2020 17:24:25 +0800
Subject: [PATCH] Make it easy to create test success and failed tx

---
 explorer/src/providers/accounts.tsx     |  3 +-
 explorer/src/providers/transactions.tsx | 43 ++++++++++++++++++++-----
 explorer/src/utils.ts                   |  8 ++++-
 3 files changed, 44 insertions(+), 10 deletions(-)

diff --git a/explorer/src/providers/accounts.tsx b/explorer/src/providers/accounts.tsx
index adecc3c5a3..0f9a36d38a 100644
--- a/explorer/src/providers/accounts.tsx
+++ b/explorer/src/providers/accounts.tsx
@@ -102,7 +102,8 @@ function urlAddresses(): Array<string> {
     .concat(findGetParameter("address")?.split(",") || [])
     .concat(findGetParameter("addresses")?.split(",") || [])
     .concat(findPathSegment("address")?.split(",") || [])
-    .concat(findPathSegment("addresses")?.split(",") || []);
+    .concat(findPathSegment("addresses")?.split(",") || [])
+    .filter(a => a.length > 0);
 }
 
 function initState(): State {
diff --git a/explorer/src/providers/transactions.tsx b/explorer/src/providers/transactions.tsx
index 3ca5f24e7b..30e523e39f 100644
--- a/explorer/src/providers/transactions.tsx
+++ b/explorer/src/providers/transactions.tsx
@@ -1,7 +1,13 @@
 import React from "react";
-import { TransactionSignature, Connection, PublicKey } from "@solana/web3.js";
+import {
+  TransactionSignature,
+  Connection,
+  SystemProgram,
+  Account
+} from "@solana/web3.js";
 import { findGetParameter, findPathSegment } from "../utils";
 import { useCluster, ClusterStatus } from "../providers/cluster";
+import base58 from "bs58";
 
 export enum Status {
   Checking,
@@ -137,7 +143,8 @@ function urlSignatures(): Array<string> {
     .concat(findPathSegment("tx")?.split(",") || [])
     .concat(findPathSegment("txn")?.split(",") || [])
     .concat(findPathSegment("transaction")?.split(",") || [])
-    .concat(findPathSegment("transactions")?.split(",") || []);
+    .concat(findPathSegment("transactions")?.split(",") || [])
+    .filter(s => s.length > 0);
 }
 
 function initState(): State {
@@ -174,8 +181,8 @@ export function TransactionsProvider({ children }: TransactionsProviderProps) {
     if (status !== ClusterStatus.Connected) return;
 
     // Create a test transaction
-    if (findGetParameter("dev")) {
-      createDevTransaction(dispatch, url);
+    if (findGetParameter("test") !== null) {
+      createTestTransaction(dispatch, url);
     }
 
     Object.keys(state.transactions).forEach(signature => {
@@ -192,18 +199,38 @@ export function TransactionsProvider({ children }: TransactionsProviderProps) {
   );
 }
 
-async function createDevTransaction(dispatch: Dispatch, url: string) {
+async function createTestTransaction(dispatch: Dispatch, url: string) {
+  const testKey = process.env.REACT_APP_TEST_KEY;
+  let testAccount = new Account();
+  if (testKey) {
+    testAccount = new Account(base58.decode(testKey));
+  }
+
   try {
     const connection = new Connection(url, "recent");
     const signature = await connection.requestAirdrop(
-      new PublicKey(1),
-      1,
+      testAccount.publicKey,
+      100000,
       "recent"
     );
     dispatch({ type: ActionType.InputSignature, signature });
     checkTransactionStatus(dispatch, signature, url);
   } catch (error) {
-    console.error("Failed to create dev transaction", error);
+    console.error("Failed to create test success transaction", error);
+  }
+
+  try {
+    const connection = new Connection(url, "recent");
+    const tx = SystemProgram.transfer({
+      fromPubkey: testAccount.publicKey,
+      toPubkey: testAccount.publicKey,
+      lamports: 1
+    });
+    const signature = await connection.sendTransaction(tx, testAccount);
+    dispatch({ type: ActionType.InputSignature, signature });
+    checkTransactionStatus(dispatch, signature, url);
+  } catch (error) {
+    console.error("Failed to create test failure transaction", error);
   }
 }
 
diff --git a/explorer/src/utils.ts b/explorer/src/utils.ts
index 6d1d5cd8ce..1d8d583a67 100644
--- a/explorer/src/utils.ts
+++ b/explorer/src/utils.ts
@@ -6,7 +6,13 @@ export function findGetParameter(parameterName: string): string | null {
     .split("&")
     .forEach(function(item) {
       tmp = item.split("=");
-      if (tmp[0] === parameterName) result = decodeURIComponent(tmp[1]);
+      if (tmp[0] === parameterName) {
+        if (tmp.length === 2) {
+          result = decodeURIComponent(tmp[1]);
+        } else if (tmp.length === 1) {
+          result = "";
+        }
+      }
     });
   return result;
 }