Add Quickstart for Mainnet Docs

docs/getting-started/quickstart.md

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+<!--
+order: 3
+-->
+
+# Quick Start
+
+**Bootstrap a  `cosmoshub-4` mainnet node**
+
+### Prerequisites
+> **Note**: Make sure the [Gaia CLI is installed](./installation.md).
+
+### Sync Options
+To quickly get started, node operators can choose to sync via State Sync or by downloading a snapshot from Quicksync. State Sync works by replaying larger chunks of application state directly rather than replaying individual blocks or consensus rounds. Quicksync is a service provided courtesy of ChainLayer, and offers historical state of the chain available for download every 24 hours. For more advanced information on setting up a node, see the Sync Options section of the full [Joining Mainnet Tutorial](../hub-tutorials/joining-mainnet.md)
+
+<!-- #sync options -->
+::::::: tabs :options="{ useUrlFragment: false }"
+
+:::::: tab "State Sync"
+
+To enable state sync, visit an [explorer](https://www.mintscan.io/cosmos/blocks) to get a recent block height and corresponding hash. A node operator can choose any height/hash in the current bonding period, but as the recommended snapshot period is 1000 blocks, it is advised to choose something close to current height - 1000. Set these parameters in the code snippet below `<BLOCK_HEIGHT>` and `<BLOCK_HASH>`
+
+For reference, the list of `rpc_servers` and `persistent` peers can be found in the [cosmos hub chain-registry repo](https://github.com/cosmos/chain-registry/blob/master/cosmoshub/chain.json).
+
+```bash
+# Build gaiad binary and initialize chain
+cd $HOME
+git clone -b v6.0.0 https://github.com/cosmos/gaia
+cd gaiad
+make install
+gaiad init <custom moniker>
+
+# Prepare genesis file for cosmoshub-4
+wget https://github.com/cosmos/mainnet/raw/master/genesis.cosmoshub-4.json.gz
+gzip -d genesis.cosmoshub-4.json.gz
+mv genesis.cosmoshub-4.json $HOME/.gaia/config/genesis.json
+
+#Set minimum gas price & peers
+sed -i 's/minimum-gas-prices = ""/minimum-gas-prices = "0.0025uatom"/' app.toml
+sed -i 's/persistent_peers = ""/persistent_peers = "[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656,[email protected]:26656"/' config.toml
+
+# Configure State sync
+cd $HOME/.gaia/config
+sed -i 's/enable = false/enable = true/' config.toml
+sed -i 's/trust_height = 0/trust_height = <BLOCK_HEIGHT>/' config.toml
+sed -i 's/trust_hash = ""/trust_hash = "<BLOCK_HASH>"/' config.toml
+sed -i 's/rpc_servers = ""/rpc_servers = "https:\/\/rpc.cosmos.network:443,https:\/\/rpc.cosmos.network:443"/' config.toml
+
+#Start Gaia
+gaiad start --x-crisis-skip-assert-invariants
+```
+::::::
+
+:::::: tab Quicksync
+
+> **Note**: Make sure to set the `--home` flag when initializing and starting `gaiad` if mounting quicksync data externally.
+
+#### Create Gaia Home & Config
+```bash
+mkdir $HOME/.gaia/config -p
+```
+
+#### Start Quicksync Download
+<!-- #quicksync options -->
+Node Operators can decide how much of historical state they want to preserve by choosing between `Pruned`, `Default`, and `Archive`. See the [Quicksync.io downloads](https://quicksync.io/networks/cosmos.html) for up to date snapshot sizes.
+
+:::: tabs :options="{ useUrlFragment: false }"
+
+::: tab Default
+```bash=
+sudo apt-get install wget liblz4-tool aria2 jq -y
+
+export URL=`curl https://quicksync.io/cosmos.json|jq -r '.[] |select(.file=="cosmoshub-4-default")|.url'`
+
+aria2c -x5 $URL
+```
+:::
+
+::: tab Pruned
+```bash=
+sudo apt-get install wget liblz4-tool aria2 jq -y
+
+export URL=`curl https://quicksync.io/cosmos.json|jq -r '.[] |select(.file=="cosmoshub-4-pruned")|.url'`
+
+aria2c -x5 $URL
+```
+:::
+
+::: tab Archive
+```bash=
+sudo apt-get install wget liblz4-tool aria2 jq -y
+
+export URL=`curl https://quicksync.io/cosmos.json|jq -r '.[] |select(.file=="cosmoshub-4-archive")|.url'`
+
+aria2c -x5 $URL
+```
+:::
+
+::::
+
+<!-- #end -->
+
+**The download logs should look like the following**
+```
+01/11 07:48:17 [NOTICE] Downloading 1 item(s)
+[#7cca5a 484MiB/271GiB(0%) CN:5 DL:108MiB ETA:42m41s]
+```
+
+**Completed Download Process:**
+```
+[#7cca5a 271GiB/271GiB(99%) CN:1 DL:77MiB]
+01/11 08:32:19 [NOTICE] Download complete: /mnt/quicksync_01/cosmoshub-4-pruned.20220111.0310.tar.lz4
+
+Download Results:
+gid   |stat|avg speed  |path/URI
+======+====+===========+=======================================================
+7cca5a|OK  |   105MiB/s|/mnt/quicksync_01/cosmoshub-4-pruned.20220111.0310.tar.lz4
+
+Status Legend:
+(OK):download completed.
+```
+
+#### Unzip
+```bash
+lz4 -c -d `basename $URL` | tar xf -
+```
+
+
+#### Copy Address Book Quicksync
+```bash
+curl https://quicksync.io/addrbook.cosmos.json > $HOME/.gaia/config/addrbook.json
+```
+
+
+#### Start Gaia
+```bash
+gaiad start --x-crisis-skip-assert-invariants
+
+```
+::::::
+
+:::::::
+
+<!-- #end -->