feat: Non-zero Default Fees (#9371)

## Description  closes: #9106 --- Before we can merge this PR, please make sure that all the following items have been checked off. If any of the checklist items are not applicable, please leave them but write a little note why. - [x] Targeted PR against correct branch (see [CONTRIBUTING.md](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting)) - [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work. - [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules/structure.md). - [ ] Wrote unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing) - [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`) - [ ] Added relevant `godoc` [comments](https://blog.golang.org/godoc-documenting-go-code). - [ ] Added a relevant changelog entry to the `Unreleased` section in `CHANGELOG.md` - [ ] Re-reviewed `Files changed` in the Github PR explorer - [ ] Review `Codecov Report` in the comment section below once CI passes
2021-06-25 10:41:32 +00:00
parent bb61e2890f
commit 3fd376bd56
10 changed files with 149 additions and 51 deletions
@@ -71,6 +71,24 @@ For more information on `gentx`, use the following command:
 simd gentx --help
 ```

+## Configuring the Node Using `app.toml` and `config.toml`
+
+The Cosmos SDK automatically generates two configuration files inside `~/.simapp/config`:
+
+- `config.toml`: used to configure the Tendermint, learn more on [Tendermint's documentation](https://docs.tendermint.com/master/nodes/configuration.html),
+- `app.toml`: generated by the Cosmos SDK, and used to configure your app, such as state pruning strategies, telemetry, gRPC and REST servers configuration, state sync...
+
+Both files are heavily commented, please refer to them directly to tweak your node.
+
+One example config to tweak is the `minimum-gas-prices` field inside `app.toml`, which defines the minimum gas prices the validator node is willing to accept for processing a transaction. Depending on the chain, it might be an empty string or not. If it's empty, make sure to edit the field with some value, for example `10token`, or else the node will halt on startup. For the purpose of this tutorial, let's set the minimum gas price to 0:
+
+```toml
+ # The minimum gas prices a validator is willing to accept for processing a
+ # transaction. A transaction's fees must meet the minimum of any denomination
+ # specified in this config (e.g. 0.25token1;0.0001token2).
+ minimum-gas-prices = "0stake"
+```
+
 ## Run a Localnet

 Now that everything is set up, you can finally start your node:
@@ -85,12 +103,6 @@ The previous command allow you to run a single node. This is enough for the next

 The naive way would be to run the same commands again in separate terminal windows. This is possible, however in the SDK, we leverage the power of [Docker Compose](https://docs.docker.com/compose/) to run a localnet. If you need inspiration on how to set up your own localnet with Docker Compose, you can have a look at the SDK's [`docker-compose.yml`](https://github.com/cosmos/cosmos-sdk/blob/v0.40.0-rc3/docker-compose.yml).

-## Configuring the Node Using `app.toml`
-
-The Cosmos SDK automatically generates an `app.toml` file inside `~/.simapp/config`. This file is used to configure your app, such as state pruning strategies, telemetry, gRPC and REST servers configuration, state sync... The file itself is heavily commented, please refer to it directly to tweak your node.
-
-Make sure to restart your node after modifying `app.toml`.
-
 ## Next {hide}

 Read about the [Interacting with your Node](./interact-node.md) {hide}