update docs for mocknetworkprovider

Author: mr-zwets

website/docs/sdk/other-network-providers.md

@@ -6,16 +6,25 @@ The CashScript SDK needs to connect to the BCH network to perform certain operat
 
 ## MockNetworkProvider
 ```ts
-new MockNetworkProvider(options?: { updateUtxoSet: boolean })
+new MockNetworkProvider(options?: MockNetworkProviderOptions)
 ```
 
 The `MockNetworkProvider` is a special network provider that allows you to evaluate transactions locally without interacting with the Bitcoin Cash network. This is useful when writing automated tests for your contracts, or when debugging your contract locally.
 
 The `MockNetworkProvider` has extra methods to enable this local emulation such as `.addUtxo()` and `.setBlockHeight()`.
 You can read more about the `MockNetworkProvider` and automated tests on the [testing setup](/docs/sdk/testing-setup) page.
 
+```ts
+interface MockNetworkProviderOptions {
+  updateUtxoSet?: boolean;
+  vmTarget?: VmTarget;
+}
+```
+
 The `updateUtxoSet` option is used to determine whether the UTXO set should be updated after a transaction is sent. If `updateUtxoSet` is `true` (default), the UTXO set will be updated to reflect the new state of the mock network. If `updateUtxoSet` is `false`, the UTXO set will not be updated.
 
+The `vmTarget` option defaults to the current VM of `BCH_2025_05`, but this can be changed to test your contract against different BCH virtual machine targets.
+
 #### Example
 ```ts
 const provider = new MockNetworkProvider();
@@ -63,7 +72,7 @@ new BitcoinRpcNetworkProvider(network: Network, url: string, options?: any)
 The `BitcoinRpcNetworkProvider` uses a direct connection to a BCH node. Note that a regular node does not have indexing, so any address of interest (e.g. the contract address) need to be registered by the node *before* sending any funds to those addresses. Because of this it is recommended to use a different network provider unless you have a specific reason to use the RPC provider.
 
 :::caution
-The `BitcoinRpcNetworkProvider` does not currently support CashTokens. If you want to use CashTokens, please use the `ElectrumNetworkProvider` instead.
+The `BitcoinRpcNetworkProvider` does not currently support CashTokens. If you want to use CashTokens, use the `ElectrumNetworkProvider` instead.
 :::
 
 #### Example