From 3784791752501c9f874afc71f62e4dfcb7cf6bed Mon Sep 17 00:00:00 2001
From: drklee3 <derrick@dlee.dev>
Date: Wed, 25 Oct 2023 13:53:32 -0700
Subject: [PATCH] Add mainnet and testnet community params (#1753)

---
 app/upgrades.go      | 41 +++++++++++++++++++++++++++++++++++------
 app/upgrades_test.go | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 76 insertions(+), 6 deletions(-)
 create mode 100644 app/upgrades_test.go

diff --git a/app/upgrades.go b/app/upgrades.go
index 0401c4fe69..bd2f6cc142 100644
--- a/app/upgrades.go
+++ b/app/upgrades.go
@@ -19,21 +19,50 @@ const (
 	UpgradeName_E2ETest = "v0.25.0-testing"
 )
 
-var CommunityParams_E2E = communitytypes.NewParams(
-	time.Now().Add(10*time.Second).UTC(), // relative time for testing
-	sdkmath.LegacyNewDec(0),              // stakingRewardsPerSecond
-	sdkmath.LegacyNewDec(1000),           // upgradeTimeSetstakingRewardsPerSecond
+var (
+	// KAVA to ukava - 6 decimals
+	kavaConversionFactor = sdk.NewInt(1000_000)
+	secondsPerYear       = sdk.NewInt(365 * 24 * 60 * 60)
+
+	// 10 Million KAVA per year in staking rewards, inflation disable time 2024-01-01T00:00:00 UTC
+	CommunityParams_Mainnet = communitytypes.NewParams(
+		time.Date(2024, 1, 1, 0, 0, 0, 0, time.UTC),
+		// before switchover
+		sdkmath.LegacyZeroDec(),
+		// after switchover - 10M KAVA to ukava per year / seconds per year
+		sdkmath.LegacyNewDec(10_000_000).
+			MulInt(kavaConversionFactor).
+			QuoInt(secondsPerYear),
+	)
+
+	// Testnet -- 15 Trillion KAVA per year in staking rewards, inflation disable time 2023-11-16T00:00:00 UTC
+	CommunityParams_Testnet = communitytypes.NewParams(
+		time.Date(2023, 11, 16, 0, 0, 0, 0, time.UTC),
+		// before switchover
+		sdkmath.LegacyZeroDec(),
+		// after switchover
+		sdkmath.LegacyNewDec(15_000_000).
+			MulInt64(1_000_000). // 15M * 1M = 15T
+			MulInt(kavaConversionFactor).
+			QuoInt(secondsPerYear),
+	)
+
+	CommunityParams_E2E = communitytypes.NewParams(
+		time.Now().Add(10*time.Second).UTC(), // relative time for testing
+		sdkmath.LegacyNewDec(0),              // stakingRewardsPerSecond
+		sdkmath.LegacyNewDec(1000),           // upgradeTimeSetstakingRewardsPerSecond
+	)
 )
 
 // RegisterUpgradeHandlers registers the upgrade handlers for the app.
 func (app App) RegisterUpgradeHandlers() {
 	app.upgradeKeeper.SetUpgradeHandler(
 		UpgradeName_Mainnet,
-		upgradeHandler(app, UpgradeName_Mainnet, communitytypes.DefaultParams()),
+		upgradeHandler(app, UpgradeName_Mainnet, CommunityParams_Mainnet),
 	)
 	app.upgradeKeeper.SetUpgradeHandler(
 		UpgradeName_Testnet,
-		upgradeHandler(app, UpgradeName_Testnet, communitytypes.DefaultParams()),
+		upgradeHandler(app, UpgradeName_Testnet, CommunityParams_Testnet),
 	)
 	app.upgradeKeeper.SetUpgradeHandler(
 		UpgradeName_E2ETest,
diff --git a/app/upgrades_test.go b/app/upgrades_test.go
new file mode 100644
index 0000000000..804fe6e47a
--- /dev/null
+++ b/app/upgrades_test.go
@@ -0,0 +1,41 @@
+package app_test
+
+import (
+	"testing"
+
+	sdkmath "cosmossdk.io/math"
+	"github.com/kava-labs/kava/app"
+	"github.com/stretchr/testify/require"
+)
+
+func TestUpgradeCommunityParams_Mainnet(t *testing.T) {
+	require.Equal(
+		t,
+		sdkmath.LegacyZeroDec().String(),
+		app.CommunityParams_Mainnet.StakingRewardsPerSecond.String(),
+	)
+
+	require.Equal(
+		t,
+		// Manually confirmed
+		"317097.919837645865043125",
+		app.CommunityParams_Mainnet.UpgradeTimeSetStakingRewardsPerSecond.String(),
+		"mainnet kava per second should be correct",
+	)
+}
+
+func TestUpgradeCommunityParams_Testnet(t *testing.T) {
+	require.Equal(
+		t,
+		sdkmath.LegacyZeroDec().String(),
+		app.CommunityParams_Testnet.StakingRewardsPerSecond.String(),
+	)
+
+	require.Equal(
+		t,
+		// Manually confirmed
+		"475646879756.468797564687975646",
+		app.CommunityParams_Testnet.UpgradeTimeSetStakingRewardsPerSecond.String(),
+		"testnet kava per second should be correct",
+	)
+}