Bucky/docs (#1843)

* docs: updates for 7002

* docs: use master instead of versions

* Update validator-setup.md

* 7002 -> 7005

docs/getting-started/full-node.md

@@ -1,5 +1,11 @@
 # Join the Testnet
 
+::: tip Current Testnet
+See the [testnet repo](https://github.com/cosmos/testnets) for 
+information on the latest testnet, including the correct version
+of the Cosmos-SDK to use and details about the genesis file.
+:::
+
 Please ensure you have the [Cosmos SDK](/getting-started/installation.md) installed. If you ran a full node on a previous testnet, please skip to [Upgrading From Previous Testnet](#upgrading-from-previous-testnet).
 
 ## Setting Up a New Node
@@ -52,10 +58,16 @@ Now it is time to upgrade the software:
 
 ```bash
 cd $GOPATH/src/github.com/cosmos/cosmos-sdk
-git fetch --all && git checkout v0.23.1
+git fetch --all && git checkout master
 make update_tools && make get_vendor_deps && make install
 ```
 
+Note we use `master` here since it contains the latest stable release.
+See the [testnet repo](https://github.com/cosmos/testnets) 
+for details on which version is needed for which testnet, 
+and the [SDK release page](https://github.com/cosmos/cosmos-sdk/releases) 
+for details on each release.
+
 Your full node has been cleanly upgraded!
 
 ## Genesis & Seeds
@@ -66,9 +78,13 @@ Fetch the testnet's `genesis.json` file into `gaiad`'s config directory.
 
 ```bash
 mkdir -p $HOME/.gaiad/config
-curl https://raw.githubusercontent.com/cosmos/testnets/master/gaia-7002/genesis.json > $HOME/.gaiad/config/genesis.json
+curl https://raw.githubusercontent.com/cosmos/testnets/master/latest/genesis.json > $HOME/.gaiad/config/genesis.json
 ```
 
+Note we use the `latest` directory in the [testnets repo](https://github.com/cosmos/testnets) 
+which contains details for the latest testnet. If you are connecting to a different testnet, ensure you
+get the right files.
+
 ### Add Seed Nodes
 
 Your node needs to know how to find peers. You'll need to add healthy seed nodes to `$HOME/.gaiad/config/config.toml`. Here are some seed nodes you can use:

docs/getting-started/installation.md

@@ -20,12 +20,18 @@ echo "export PATH=$PATH:$GOBIN" >> ~/.bash_profile
 ## Install Cosmos SDK
 
 Next, let's install the testnet's version of the Cosmos SDK.
+You can find information about the latest testnet and the right
+version of the Cosmos-SDK for it in the [testnets
+repo](https://github.com/cosmos/testnets#testnet-status).
+Here we'll use the `master` branch, which contains the latest stable release.
+If necessary, make sure you `git checkout` the correct 
+[released version](https://github.com/cosmos/cosmos-sdk/releases).
 
 ```bash
 mkdir -p $GOPATH/src/github.com/cosmos
 cd $GOPATH/src/github.com/cosmos
 git clone https://github.com/cosmos/cosmos-sdk
-cd cosmos-sdk && git checkout v0.19.0
+cd cosmos-sdk && git checkout master
 make get_tools && make get_vendor_deps && make install
 ```
 
@@ -33,10 +39,7 @@ That will install the `gaiad` and `gaiacli` binaries. Verify that everything is
 
 ```bash
 $ gaiad version
-0.19.0-c6711810
-
 $ gaiacli version
-0.19.0-c6711810
 ```
 
 ## Run a Full Node