docs: remove RocksDB (#23212)

Co-authored-by: Marko <marko@baricevic.me>

scripts/build/build.mk

@@ -14,8 +14,6 @@ DOCKER := $(shell which docker)
 PROJECT_NAME = $(shell git remote get-url origin | xargs basename -s .git)
 COSMOS_BUILD_OPTIONS += ' v2'
 
-rocksdb_version=v9.7.3
-
 ifeq ($(findstring .,$(VERSION)),)
 	VERSION := 0.0.0
 endif

scripts/go-lint-all.bash

@@ -2,13 +2,10 @@
 
 set -e
 
-REPO_ROOT="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )/.." &> /dev/null && pwd )"
+REPO_ROOT="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." &>/dev/null && pwd)"
 export REPO_ROOT
 
 LINT_TAGS="e2e,ledger,test_ledger_mock"
-if [[ ! -z "${ROCKSDB:-}" ]]; then
-  LINT_TAGS+=",rocksdb"
-fi
 export LINT_TAGS
 
 lint_module() {
@@ -53,4 +50,4 @@ else
     echo "linting github.com/cosmos/cosmos-sdk [$(date -Iseconds -u)]"
     golangci-lint run ./... -c "${REPO_ROOT}/.golangci.yml" "$@" --build-tags=${LINT_TAGS}
   fi
-fi
+fi

server/v2/store/commands.go

@@ -26,8 +26,8 @@ The pruning option is provided via the 'pruning' argument or alternatively with
 - custom: allow pruning options to be manually specified through 'pruning-keep-recent'
 
 Note: When the --app-db-backend flag is not specified, the default backend type is 'goleveldb'.
-Supported app-db-backend types include 'goleveldb', 'rocksdb', 'pebbledb'.`,
-		Example: fmt.Sprintf("%s prune custom --pruning-keep-recent 100 --app-db-backend 'goleveldb'", "<appd>"),
+Supported app-db-backend types include 'goleveldb', 'pebbledb'.`,
+		Example: "<appd> prune custom --pruning-keep-recent 100 --app-db-backend 'goleveldb'",
 		Args:    cobra.RangeArgs(0, 1),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			// bind flags to the Context's Viper so we can get pruning options.

server/v2/testdata/config.toml

@@ -21,25 +21,13 @@ proxy_app = "tcp://127.0.0.1:26658"
 # A custom human readable name for this node
 moniker = "aurn-node"
 
-# Database backend: goleveldb | cleveldb | boltdb | rocksdb | badgerdb
+# Database backend: goleveldb | pebbledb
 # * goleveldb (github.com/syndtr/goleveldb - most popular implementation)
 #   - pure go
 #   - stable
-# * cleveldb (uses levigo wrapper)
-#   - fast
-#   - requires gcc
-#   - use cleveldb build tag (go build -tags cleveldb)
-# * boltdb (uses etcd's fork of bolt - github.com/etcd-io/bbolt)
-#   - EXPERIMENTAL
-#   - may be faster is some use-cases (random reads - indexer)
-#   - use boltdb build tag (go build -tags boltdb)
-# * rocksdb (uses github.com/tecbot/gorocksdb)
-#   - EXPERIMENTAL
-#   - requires gcc
-#   - use rocksdb build tag (go build -tags rocksdb)
-# * badgerdb (uses github.com/dgraph-io/badger)
-#   - EXPERIMENTAL
-#   - use badgerdb build tag (go build -tags badgerdb)
+# * pebbledb (uses github.com/cockroachdb/pebble)
+#   - stable
+#   - pure go
 db_backend = "goleveldb"
 
 # Database directory

store/v2/CHANGELOG.md

@@ -25,6 +25,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
+### API Breaking
+
+* [#23157](https://github.com/cosmos/cosmos-sdk/pull/23157) Remove support for RocksDB.
+
 ## [v2.0.0-beta.1](https://github.com/cosmos/cosmos-sdk/releases/tag/store/v2.0.0-beta.1)
 
 Initial tag of `cosmossdk.io/store/v2`.