Update docs from nexus-sdk (commit: d5ad555a840b9eadd84f0baec4464f76cbe64e08)

Author: kouks

nexus-sdk/cli.md

@@ -45,16 +45,16 @@ This command should also check that the URL is accessible by the Leader node. It
 **`nexus tool validate --on-chain <ident>`**
 
 {% hint style="warning" %}
-The specific design for onchain tools is still in progress and as a result the implementation is not yet implemented. When running the command, it will panic. 
+The specific design for onchain tools is still in progress and as a result the implementation is not yet present. When running the command, it will panic.
 {% endhint %}
 
 ---
 
-**`nexus tool register --off-chain <url>`**
+**`nexus tool register --off-chain <url> --invocation-cost [mist] --collateral-coin [object_id]`**
 
-Command that makes a request to `GET <url>/meta` to fetch the Tool definition and then submits a TX to our Tool Registry. It also locks the collateral.
+Command that makes a request to `GET <url>/meta` to fetch the Tool definition and then submits a TX to our Tool Registry. It also locks the collateral and sets the single invocation cost of the Tool which defaults to 0 MIST.
 
-This returns an OwnerCap object ID that can be used to manage the Tool.
+This returns 2 OwnerCap object IDs that can be used to manage the Tool and its Gas settlement methods.
 
 {% hint style="info" %}
 This command requires that a wallet is connected to the CLI...
@@ -65,7 +65,7 @@ This command requires that a wallet is connected to the CLI...
 **`nexus tool register --on-chain <ident>`**
 
 {% hint style="warning" %}
-The specific design for onchain tools is still in progress and as a result the implementation is not yet implemented. When running the command, it will panic. 
+The specific design for onchain tools is still in progress and as a result the implementation is not yet present. When running the command, it will panic.
 {% endhint %}
 
 ---
@@ -162,6 +162,22 @@ Inspects a DAG execution process based on the provided `DAGExecution` object ID
 
 ---
 
+### `nexus gas`
+
+Set of commands to manage Nexus gas budgets and tickets.
+
+---
+
+**`nexus gas add-budget --coin <object_id>`**
+
+Upload the coin object to the Nexus gas service as budget in the "invoker address" scope. That means that if a DAG execution is started from the address that the coin was uploaded from, the coin can be used to pay for the gas.
+
+{% hint style="info" %}
+This command requires that a wallet is connected to the CLI...
+{% endhint %}
+
+---
+
 ### `nexus network`
 
 Set of commands for managing Nexus networks.
@@ -174,6 +190,10 @@ Create a new Nexus network and assign `count-leader-caps` (default: 5) leader ca
 
 The network object ID is returned.
 
+{% hint style="info" %}
+This command requires that a wallet is connected to the CLI...
+{% endhint %}
+
 ---
 
 ### `nexus completion`

nexus-sdk/guides/llm-openai-chat-prep-tool.md

@@ -63,6 +63,7 @@ enum Output {
 ```
 
 where:
+
 ```rust
 /// Represents the type of a message in a chat completion request or response.
 #[derive(Debug, Default, PartialEq, Eq, Deserialize, Serialize, JsonSchema, EnumString)]

nexus-sdk/guides/math-branching-with-chat.md

@@ -621,5 +621,5 @@ This extended DAG demonstrates how to combine mathematical computation with natu
 
 <!-- List of references -->
 
-[math-branching-entry-guide]: ./math-branching-dag-entry.md
+[math-branching-entry-guide]: ./math_branching-dag-entry.md
 [llm-openai-chat-prep-tool]: ./llm-openai-chat-prep-tool.md

nexus-sdk/guides/setup.md

@@ -87,6 +87,18 @@ source .envrc
 To automatically load these variables every time you navigate to the project directory, consider using [direnv](https://direnv.net/). After installing it, run `direnv allow` within your project directory.
 {% endhint %}
 
+### Upload some gas budget to Nexus
+
+In order to pay for the network transaction fees and the tool invocations, you need to upload some gas budget to Nexus. You can do this by running the following command:
+
+```bash
+nexus gas add-budget --coin <object_id>
+```
+
+{% hint style="info" %}
+Note that this coin can only be used to pay for Nexus and tool invocation fees only if the DAG is executed from the **same address**.
+{% endhint %}
+
 ### Configure the Sui client
 
 After installing the Sui binaries, configure and activate your Talus `devnet` environment: