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udate upgrade node doc

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gamarin 2019-04-23 19:57:30 +02:00
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docs/cosmos-hub/upgrade-node.md
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# Upgrade Your Node
<<<<<<< HEAD
This document describes the upgrade procedure of a `gaiad` full-node from a version <current_version> to a version <new_version>.
=======
::: warning
The detailed procedure to upgrade a mainnet node from `cosmoshub-1` to `cosmoshub-2` can be found [here](https://gist.github.com/alexanderbez/5e87886221eb304b9e85ad4b167c99c8).
:::
This document describes the upgrade procedure of a `gaiad` full-node to a new version.
>>>>>>> 0a51d56e902f6629f92470c1d303b6cb293b596b
This document describes the upgrade procedure of a `gaiad` full-node to a new version.
## Software Upgrade
@ -28,21 +20,19 @@ See the [testnet repo](https://github.com/cosmos/testnets) for details on which
Your full node has been cleanly upgraded!
## Fetch new genesis
## Ugrade Genesis File
:::warning
If the new version you are upgrading to has breaking changes, you will have to restart your chain. If it is not breaking, you can skip to [Restart](#restart)
:::
The procedure varies depending on the network you want to connect to.
To upgrade the genesis file, you can either fetch it from a trusted source or export it locally.
### Mainnet
### Fetching from a Trusted Source
Follow the [official upgrade guide](https://gist.github.com/alexanderbez/5e87886221eb304b9e85ad4b167c99c8).
If you are joining the mainnet, fetch the genesis from the [mainnet repo](https://github.com/cosmos/launc). If you are joining a public testnet, fetch the genesis from the appropriate testnet in the [testnet repo](https://github.com/cosmos/testnets). Otherwise, fetch it from your trusted source.
### Public Testnet
If you are joining a new public testnet, fetch the genesis from the appropriate testnet in the [testnet repo](https://github.com/cosmos/testnets). Save the new genesis as `new_genesis.json`. Then replace the old `genesis.json` with `new_genesis.json`
Save the new genesis as `new_genesis.json`. Then replace the old `genesis.json` with `new_genesis.json`
```bash
cd $HOME/.gaiad/config
@ -50,15 +40,19 @@ cp -f genesis.json new-_enesis.json
mv new_genesis.json genesis.json
```
### Local Testnet
Then, go to the [reset data](#reset-data) section.
If you are running your own local testnet, you can either start with a brand new genesis using `gaiad init`, or export the state from you previous network as a new genesis. To do so, use the following command
### Exporting State to a New Genesis Locally
If you were running a node in the previous version of the network and want to build your new genesis locally from a state of this previous network, use the following command:
```bash
cd $HOME/.gaiad/config
gaiad export --for-zero-height --height=<export-height> > new_genesis.json
```
The command above take a state at a certain height `<export-height>` and turns it into a new genesis file that can be used to start a new network.
Then, replace the old `genesis.json` with `new_genesis.json`.
```bash
@ -66,6 +60,8 @@ cp -f genesis.json new-_enesis.json
mv new_genesis.json genesis.json
```
At this point, you might want to run a script to update the exported genesis into a genesis that is compatible with your new version. For example, the attributes of a the `Account` type changed, a script should query encoded account from the account store, unmarshall them, update their type, re-marhsall and re-store them. You can find an example of such script [here](https://github.com/cosmos/cosmos-sdk/blob/develop/contrib/export/v0.33.x-to-v0.34.0.py).
## Reset Data
:::warning