chore: review feedback improvements

config.yml

@@ -225,7 +225,9 @@ genesis:
     gateway:
       params:
         # TODO_MAINNET: Determine realistic amount for minimum gateway stake amount.
-        min_stake: 100
+        min_stake:
+            amount: "1000000" # 1 POKT
+            denom: upokt
       gatewayList:
         - address: pokt15vzxjqklzjtlz7lahe8z2dfe9nm5vxwwmscne4
           stake:

tools/scripts/params/gateway_all.json

@@ -0,0 +1,16 @@
+{
+  "body": {
+    "messages": [
+      {
+        "@type": "/poktroll.gateway.MsgUpdateParams",
+        "authority": "pokt10d07y265gmmuvt4z0w9aw880jnsr700j8yv32t",
+        "params": {
+          "min_stake": {
+            "amount": "1000000",
+            "denom": "upokt"
+          }
+        }
+      }
+    ]
+  }
+}

tools/scripts/params/gateway_min_stake.json

@@ -5,7 +5,10 @@
         "@type": "/poktroll.gateway.MsgUpdateParam",
         "authority": "pokt10d07y265gmmuvt4z0w9aw880jnsr700j8yv32t",
         "name": "min_stake",
-        "as_int64": "42"
+        "as_coin": {
+          "amount": "1000000",
+          "denom": "upokt"
+        }
       }
     ]
   }

x/gateway/keeper/params_test.go

@@ -21,7 +21,7 @@ func TestGetParams(t *testing.T) {
 	require.EqualValues(t, params, k.GetParams(ctx))
 }
 
-func TestParams_ValidateMinRelayDifficulty(t *testing.T) {
+func TestParams_ValidateMinStake(t *testing.T) {
 	tests := []struct {
 		desc        string
 		minStake    any

x/gateway/types/params.go

@@ -62,27 +62,18 @@ func ValidateMinStake(minStakeAny any) error {
 		return ErrGatewayParamInvalid.Wrap("missing min_stake")
 	}
 
-	if err := ValidateMinStakeDenom(minStakeCoin); err != nil {
-		return err
+	if minStakeCoin.Denom != volatile.DenomuPOKT {
+		return ErrGatewayParamInvalid.Wrapf(
+			"invalid min_stake denom %q; expected %q",
+			minStakeCoin.Denom, volatile.DenomuPOKT,
+		)
 	}
-
-	if err := ValidateMinStakeAboveZero(minStakeCoin); err != nil {
-		return err
+	if minStakeCoin.IsZero() || minStakeCoin.IsNegative() {
+		return ErrGatewayParamInvalid.Wrapf("invalid min_stake amount: %s <= 0", minStakeCoin)
 	}
-
-	return nil
-}
-
-func ValidateMinStakeDenom(minStakeCoin *cosmostypes.Coin) error {
 	if minStakeCoin.Denom != volatile.DenomuPOKT {
-		return ErrGatewayParamInvalid.Wrapf("min stake denom must be %s: %s", volatile.DenomuPOKT, minStakeCoin)
+		return ErrGatewayParamInvalid.Wrapf("invalid min_stake amount denom %s", minStakeCoin)
 	}
-	return nil
-}
 
-func ValidateMinStakeAboveZero(minStakeCoin *cosmostypes.Coin) error {
-	if minStakeCoin.Amount.Int64() <= 0 {
-		return ErrGatewayParamInvalid.Wrapf("min stake amount must be greater than zero: %s", minStakeCoin)
-	}
 	return nil
 }

x/proof/keeper/msg_server_update_param_test.go

@@ -27,7 +27,7 @@ func TestMsgUpdateParam_UpdateMinRelayDifficultyBitsOnly(t *testing.T) {
 	// Ensure the default values are different from the new values we want to set
 	require.NotEqual(t, expectedRelayDifficultyTargetHash, defaultParams.RelayDifficultyTargetHash)
 
-	// Update the min relay difficulty bits
+	// Update the min stake.
 	updateParamMsg := &prooftypes.MsgUpdateParam{
 		Authority: authtypes.NewModuleAddress(govtypes.ModuleName).String(),
 		Name:      prooftypes.ParamRelayDifficultyTargetHash,