refactor!: remove x/params

.github/CODEOWNERS

@@ -59,7 +59,6 @@
 /x/group/ @kocubinski @akhilkumarpilli @cosmos/sdk-core-dev
 /x/mint/ @lucaslopezf @facundomedica @cosmos/sdk-core-dev
 /x/nft/ @alpe @lucaslopezf @cosmos/sdk-core-dev
-/x/params/ @cosmos/sdk-core-dev # deprecated so whole team
 /x/protocolpool/ @facundomedica @hieuvubk @alpe @cosmos/sdk-core-dev
 /x/simulation/ @cosmos/sdk-core-dev # deprecated so whole team
 /x/slashing/ @testinginprod @raynaudoe @lucaslopezf @cosmos/sdk-core-dev

.github/dependabot.yml

@@ -296,15 +296,6 @@ updates:
     labels:
       - "A:automerge"
       - dependencies
-  - package-ecosystem: gomod
-    directory: "/x/params"
-    schedule:
-      interval: weekly
-      day: wednesday
-      time: "03:05"
-    labels:
-      - "A:automerge"
-      - dependencies
   - package-ecosystem: gomod
     directory: "/x/auth"
     schedule:

.github/pr_labeler.yml

@@ -69,8 +69,6 @@
   - x/mint/**/*
 "C:x/nft":
   - x/nft/**/*
-"C:x/params":
-  - x/params/**/*
 "C:x/protocolpool":
   - x/protocolpool/**/*
 "C:x/slashing":

.github/workflows/test.yml

@@ -1136,36 +1136,6 @@ jobs:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
         with:
           projectBaseDir: x/evidence/
-  test-x-params:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
-        with:
-          go-version: "1.23"
-          check-latest: true
-          cache: true
-          cache-dependency-path: x/params/go.sum
-      - uses: technote-space/[email protected]
-        id: git_diff
-        with:
-          PATTERNS: |
-            x/params/**/*.go
-            x/params/go.mod
-            x/params/go.sum
-      - name: tests
-        if: env.GIT_DIFF
-        run: |
-          cd x/params
-          go test -mod=readonly -timeout 30m -coverprofile=coverage.out -covermode=atomic -tags='norace ledger test_ledger_mock' ./...
-      - name: sonarcloud
-        if: ${{ env.GIT_DIFF && !github.event.pull_request.draft && env.SONAR_TOKEN != null }}
-        uses: SonarSource/sonarcloud-github-action@master
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        with:
-          projectBaseDir: x/params/
   test-x-upgrade:
     runs-on: ubuntu-latest
     steps:

CHANGELOG.md

@@ -51,6 +51,7 @@ Every module contains its own CHANGELOG.md. Please refer to the module you are i
 
 ### API Breaking Changes
 
+* (x/params) [#22995](https://github.com/cosmos/cosmos-sdk/pull/22995) Remove `x/params`.  Migrate to the new params system introduced in `v0.47` as demonstrated [here](https://github.com/cosmos/cosmos-sdk/blob/main/UPGRADING.md#xparams).
 * (testutil) [#22392](https://github.com/cosmos/cosmos-sdk/pull/22392) Remove `testutil/network` package. Use the integration framework or systemtests framework instead.
 
 ### Deprecated

README.md

@@ -72,7 +72,7 @@ Core dependencies not mentioned here as compatible across all maintained SDK ver
 See an exhaustive list of core dependencies at [cosmossdk.io](https://cosmossdk.io).
 
 | Version                  | v2    | 0.52.z    | 0.50.z         | 0.47.z  |
-| ------------------------ | ----- | --------- | -------------- | ------- |
+|--------------------------|-------|-----------|----------------|---------|
 | cosmossdk.io/core        | 1.y.z | 1.y.z     | 0.11.z         | 0.5.z   |
 | cosmossdk.io/api         | 0.8.z | 0.8.z     | 0.7.z          | 0.3.z   |
 | cosmossdk.io/x/tx        | 1.y.z | 1.y.z     | < 1.y.z        | N/A     |
@@ -89,7 +89,7 @@ Module Dependencies are the modules that an application may depend on and which
 > N/A signals that the module was not available in the Cosmos SDK at that time.
 
 | Cosmos SDK                  | v2    | 0.52.z | 0.50.z |
-| --------------------------- | ----- | ------ | ------ |
+|-----------------------------|-------|--------|--------|
 | cosmossdk.io/x/accounts     | 0.2.z | 0.2.z  | N/A    |
 | cosmossdk.io/x/bank         | 0.2.z | 0.2.z  | X      |
 | cosmossdk.io/x/circuit      | 0.2.z | 0.2.z  | 0.1.z  |
@@ -102,6 +102,7 @@ Module Dependencies are the modules that an application may depend on and which
 | cosmossdk.io/x/group        | 0.2.z | 0.2.z  | X      |
 | cosmossdk.io/x/mint         | 0.2.z | 0.2.z  | X      |
 | cosmossdk.io/x/nft          | 0.2.z | 0.2.z  | 0.1.z  |
+| cosmossdk.io/x/params       | N/A   | 0.2.z  | X      |
 | cosmossdk.io/x/protocolpool | 0.2.z | 0.2.z  | N/A    |
 | cosmossdk.io/x/slashing     | 0.2.z | 0.2.z  | X      |
 | cosmossdk.io/x/staking      | 0.2.z | 0.2.z  | X      |

UPGRADING.md

@@ -44,6 +44,15 @@ To be able to simulate nested messages within a transaction, message types conta
 the nested messages. By implementing this interface, the BaseApp can simulate these nested messages during
 transaction simulation. -->
 
+### Modules
+
+#### `x/params`
+
+The `x/params` module has been removed from the Cosmos SDK.  The following [migration](https://github.com/cosmos/cosmos-sdk/blob/828fcf2f05db0c4759ed370852b6dacc589ea472/x/mint/migrations/v2/migrate.go) 
+and [PR])(https://github.com/cosmos/cosmos-sdk/pull/12363) can be used as a reference for migrating a legacy params module to the supported module-managed params paradigm.
+
+More information can be found in the [deprecation notice](https://github.com/cosmos/cosmos-sdk/blob/main/UPGRADING.md#xparams).
+
 ## [v0.52.x](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.52.0-beta.1)
 
 Documentation to migrate an application from v0.50.x to server/v2 is available elsewhere.
@@ -1276,7 +1285,7 @@ The `params` module was deprecated since v0.46. The Cosmos SDK has migrated away
 Cosmos SDK modules now store their parameters directly in its respective modules.
 The `params` module will be removed in `v0.50`, as mentioned [in v0.46 release](https://github.com/cosmos/cosmos-sdk/blob/v0.46.1/UPGRADING.md#xparams). It is strongly encouraged to migrate away from `x/params` before `v0.50`.
 
-When performing a chain migration, the params table must be initizalied manually. This was done in the modules keepers in previous versions.
+When performing a chain migration, the params table must be initialized manually. This was done in the modules keepers in previous versions.
 Have a look at `simapp.RegisterUpgradeHandlers()` for an example.
 
 #### `x/crisis`

buf.work.yaml

@@ -14,7 +14,6 @@ directories:
   - x/group/proto
   - x/mint/proto
   - x/nft/proto
-  - x/params/proto
   - x/protocolpool/proto
   - x/slashing/proto
   - x/staking/proto

go.work.example

@@ -44,7 +44,6 @@ use (
 	./x/group
 	./x/mint
 	./x/nft
-	./x/params
 	./x/protocolpool
 	./x/slashing
 	./x/staking

simapp/v2/go.mod

@@ -271,7 +271,6 @@ replace (
 	cosmossdk.io/x/group => ../../x/group
 	cosmossdk.io/x/mint => ../../x/mint
 	cosmossdk.io/x/nft => ../../x/nft
-	cosmossdk.io/x/params => ../../x/params
 	cosmossdk.io/x/protocolpool => ../../x/protocolpool
 	cosmossdk.io/x/slashing => ../../x/slashing
 	cosmossdk.io/x/staking => ../../x/staking

tests/go.mod

@@ -255,7 +255,6 @@ replace (
 	cosmossdk.io/x/group => ../x/group
 	cosmossdk.io/x/mint => ../x/mint
 	cosmossdk.io/x/nft => ../x/nft
-	cosmossdk.io/x/params => ../x/params
 	cosmossdk.io/x/protocolpool => ../x/protocolpool
 	cosmossdk.io/x/slashing => ../x/slashing
 	cosmossdk.io/x/staking => ../x/staking