From f127c29aaaea2ebf1f38283d83686f6c653590a9 Mon Sep 17 00:00:00 2001
From: Yumin Xia <me@yumin-xia.com>
Date: Fri, 20 Sep 2019 13:45:05 -0700
Subject: [PATCH] upgrade2update1 (#382)

---
 types/const.go               | 3 +++
 x/account/manager/manager.go | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/types/const.go b/types/const.go
index 38e90530..d09fbdee 100644
--- a/types/const.go
+++ b/types/const.go
@@ -169,4 +169,7 @@ const (
 
 	// TendermintValidatorPower - every validator has const power in tendermint engine.
 	TendermintValidatorPower = 1000
+
+	// Upgrade2Update1 - adjust minimum registration fee.
+	Upgrade2Update1Height = 30000
 )
diff --git a/x/account/manager/manager.go b/x/account/manager/manager.go
index e50dc11c..c904d80f 100644
--- a/x/account/manager/manager.go
+++ b/x/account/manager/manager.go
@@ -45,7 +45,11 @@ func (accManager AccountManager) RegisterAccount(
 	if err != nil {
 		return err
 	}
-	if accParams.RegisterFee.IsGT(registerFee) {
+	minRegFee := accParams.RegisterFee
+	if ctx.BlockHeight() >= linotypes.Upgrade2Update1Height {
+		minRegFee = linotypes.NewCoinFromInt64(10000)
+	}
+	if minRegFee.IsGT(registerFee) {
 		return types.ErrRegisterFeeInsufficient()
 	}