feat: decouple x/params from simapp (#12259)

testutil/sims/weights.go

@@ -0,0 +1,29 @@
+package sims
+
+// Default simulation operation weights for messages and gov proposals
+const (
+	DefaultWeightMsgSend                        int = 100
+	DefaultWeightMsgMultiSend                   int = 10
+	DefaultWeightMsgSetWithdrawAddress          int = 50
+	DefaultWeightMsgWithdrawDelegationReward    int = 50
+	DefaultWeightMsgWithdrawValidatorCommission int = 50
+	DefaultWeightMsgFundCommunityPool           int = 50
+	DefaultWeightMsgDeposit                     int = 100
+	DefaultWeightMsgVote                        int = 67
+	DefaultWeightMsgVoteWeighted                int = 33
+	DefaultWeightMsgUnjail                      int = 100
+	DefaultWeightMsgCreateValidator             int = 100
+	DefaultWeightMsgEditValidator               int = 5
+	DefaultWeightMsgDelegate                    int = 100
+	DefaultWeightMsgUndelegate                  int = 100
+	DefaultWeightMsgBeginRedelegate             int = 100
+	DefaultWeightMsgCancelUnbondingDelegation   int = 100
+
+	DefaultWeightCommunitySpendProposal int = 5
+	DefaultWeightTextProposal           int = 5
+	DefaultWeightParamChangeProposal    int = 5
+
+	// feegrant
+	DefaultWeightGrantAllowance  int = 100
+	DefaultWeightRevokeAllowance int = 100
+)