Update TESTNET -> DEVNET in the docs (#744)

Author: jmintuitive

apps/nextra/pages/en/build/guides/exchanges.mdx

@@ -126,7 +126,7 @@ the `0x1::coin::balance<CoinType>(account address)` view function.  This will co
 ```ts filename="example.ts"
 import { Aptos, AptosConfig, Network } from "@aptos-labs/ts-sdk";
 
-const config = new AptosConfig({ network: Network.TESTNET });
+const config = new AptosConfig({ network: Network.DEVNET });
 const aptos = new Aptos(config);
 
 const coinType = "0x1::aptos_coin::AptosCoin";
@@ -146,7 +146,7 @@ A specific ledger version (transaction height) can be provided to get the balanc
 ```ts filename="example.ts"
 import { Aptos, AptosConfig, Network } from "@aptos-labs/ts-sdk";
 
-const config = new AptosConfig({ network: Network.TESTNET });
+const config = new AptosConfig({ network: Network.DEVNET });
 const aptos = new Aptos(config);
 
 const coinType = "0x1::aptos_coin::AptosCoin";
@@ -173,7 +173,7 @@ Note, that this will not include the balance of coins if it's a migrated coin.
 ```ts filename="example.ts"
 import { Aptos, AptosConfig, Network } from "@aptos-labs/ts-sdk";
 
-const config = new AptosConfig({ network: Network.TESTNET });
+const config = new AptosConfig({ network: Network.DEVNET });
 const aptos = new Aptos(config);
 
 const faMetadataAddress = "0xA";
@@ -193,7 +193,7 @@ A specific ledger version (transaction height) can be provided to get the balanc
 ```ts filename="example.ts"
 import { Aptos, AptosConfig, Network } from "@aptos-labs/ts-sdk";
 
-const config = new AptosConfig({ network: Network.TESTNET });
+const config = new AptosConfig({ network: Network.DEVNET });
 const aptos = new Aptos(config);
 
 const faMetadataAddress = "0xA";

apps/nextra/pages/en/build/guides/system-integrators-guide.mdx

@@ -282,7 +282,7 @@ the `0x1::coin::balance<CoinType>(account address)` view function.  This will co
 ```ts filename="example.ts"
 import { Aptos, AptosConfig, Network } from "@aptos-labs/ts-sdk";
 
-const config = new AptosConfig({ network: Network.TESTNET });
+const config = new AptosConfig({ network: Network.DEVNET });
 const aptos = new Aptos(config);
 
 const coinType = "0x1::aptos_coin::AptosCoin";

apps/nextra/pages/en/build/sdks/community-sdks/kotlin-sdk/building-transactions.mdx

@@ -116,7 +116,7 @@ const val SEND_AMOUNT = 1_000_000UL
  * fails, an error is thrown.
  */
 fun main() = runBlocking {
-  val aptos = Aptos(AptosConfig(AptosSettings(network = Network.TESTNET)))
+  val aptos = Aptos(AptosConfig(AptosSettings(network = Network.DEVNET)))
 
   println("Generating Alice and Bob's accounts")
 

apps/nextra/pages/en/build/sdks/ts-sdk/building-transactions.mdx

@@ -120,7 +120,7 @@ async function example() {
     console.log("This example will create two accounts (Alice and Bob) and send a transaction transfering APT to Bob's account.");
 
     // 0. Setup the client and test accounts
-    const config = new AptosConfig({ network: Network.TESTNET });
+    const config = new AptosConfig({ network: Network.DEVNET });
     const aptos = new Aptos(config);
 
     let alice = Account.generate();

apps/nextra/pages/en/build/sdks/ts-sdk/building-transactions/batching-transactions.mdx

@@ -27,7 +27,7 @@ async function example() {
     console.log("This example will send several transactions in a batch.");
 
     // Setup the client and test accounts
-    const config = new AptosConfig({ network: Network.TESTNET });
+    const config = new AptosConfig({ network: Network.DEVNET });
     const aptos = new Aptos(config);
 
     let sender = Account.generate();

apps/nextra/pages/en/build/sdks/ts-sdk/building-transactions/sponsoring-transactions.mdx

@@ -106,7 +106,7 @@ async function example() {
     console.log("This example will send a sponsored transaction from Alice to Carol.");
 
     // 0. Setup the client and test accounts
-    const config = new AptosConfig({ network: Network.TESTNET });
+    const config = new AptosConfig({ network: Network.DEVNET });
     const aptos = new Aptos(config);
 
     let alice = Account.generate();

apps/nextra/pages/en/build/sdks/ts-sdk/fetch-data-via-sdk.mdx

@@ -12,7 +12,7 @@ You can use the `Aptos` client to get on-chain data using a variety of helper fu
 Here’s an example showing how to fetch common data you may need in your application:
 
 ```ts filename="fetch-data.ts"
-const aptosConfig = new AptosConfig({ network: Network.TESTNET });
+const aptosConfig = new AptosConfig({ network: Network.DEVNET });
 const aptos = new Aptos(aptosConfig);
 
 const fund = await aptos.getAccountInfo({ accountAddress: "0x123" });

apps/nextra/pages/en/build/sdks/ts-sdk/legacy-ts-sdk/migration-guide.mdx

@@ -56,7 +56,7 @@ const tokens = await aptos.getAccountOwnedTokens({ accountAddress: "0x123" });
 To configure your `Aptos` client, you can use an `AptosConfig` object.
 
 ```ts filename="v2.ts"
-const aptosConfig = new AptosConfig({ network: Network.TESTNET }); // default to devnet
+const aptosConfig = new AptosConfig({ network: Network.DEVNET }); // default to devnet
 const aptos = new Aptos(config);
 ```
 

apps/nextra/pages/en/build/sdks/ts-sdk/type-safe-contract.mdx

@@ -63,7 +63,7 @@ import { Aptos, AptosConfig, NETWORK } from "@aptos-labs/ts-sdk";
 import { ABI } from "./abi";
 
 // First, create an Aptos client, make sure the network is the one that contract lives on
-export const aptos = new Aptos(new AptosConfig({ network: NETWORK.TESTNET }));
+export const aptos = new Aptos(new AptosConfig({ network: Network.DEVNET }));
 // Second, create a SurfClient with the Aptos client and the ABI
 export const surfClient = createSurfClient(aptos).useABI(ABI);