From 1cdb42dc8a64aad94f06fbe42d2dd55c6bd8fe6a Mon Sep 17 00:00:00 2001
From: MD Aleem <72057206+aleem1314@users.noreply.github.com>
Date: Mon, 21 Aug 2023 21:15:02 +0530
Subject: [PATCH] feat: add IBC transfer params hard fork (#122)

---
 app/app.go   |  1 +
 app/forks.go | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 app/forks.go

diff --git a/app/app.go b/app/app.go
index 442660d..4a4ba26 100644
--- a/app/app.go
+++ b/app/app.go
@@ -643,6 +643,7 @@ func (app *PassageApp) Name() string { return app.BaseApp.Name() }
 
 // BeginBlocker application updates every begin block
 func (app *PassageApp) BeginBlocker(ctx sdk.Context, req abci.RequestBeginBlock) abci.ResponseBeginBlock {
+	BeginBlockFork(ctx, app)
 	return app.mm.BeginBlock(ctx, req)
 }
 
diff --git a/app/forks.go b/app/forks.go
new file mode 100644
index 0000000..b4d1cd0
--- /dev/null
+++ b/app/forks.go
@@ -0,0 +1,19 @@
+package app
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/ibc-go/v4/modules/apps/transfer/types"
+)
+
+const forkHeight = 4426144
+
+// BeginBlockFork updates, the IBC Transfer module's SendEnabled and ReceiveEnabled parameters are set to true.
+func BeginBlockFork(ctx sdk.Context, app *PassageApp) {
+	if ctx.BlockHeight() == forkHeight {
+		ctx.Logger().Info("Applying Passage v2.1 upgrade. Enabling IBC transfers")
+		app.TransferKeeper.SetParams(ctx, types.Params{
+			SendEnabled:    true,
+			ReceiveEnabled: true,
+		})
+	}
+}