From befcfb33ef1eceb37b175cf95d4724814666bf9b Mon Sep 17 00:00:00 2001
From: j75689 <j75689@gmail.com>
Date: Wed, 16 Aug 2023 09:50:55 +0800
Subject: [PATCH] fix: skip SigGasConsume on genesis block

---
 Makefile                 | 2 +-
 x/auth/ante/sigverify.go | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index d9e2e24c81..87c24652b2 100644
--- a/Makefile
+++ b/Makefile
@@ -110,7 +110,7 @@ include contrib/devtools/Makefile
 ###############################################################################
 
 BUILD_TARGETS := build install
-
+.PHONY: build build-linux-amd64 build-linux-arm64
 build: BUILD_ARGS=-o $(BUILDDIR)/
 
 build-linux-amd64:
diff --git a/x/auth/ante/sigverify.go b/x/auth/ante/sigverify.go
index 8b94335124..ceb9f82604 100644
--- a/x/auth/ante/sigverify.go
+++ b/x/auth/ante/sigverify.go
@@ -153,6 +153,10 @@ func NewSigGasConsumeDecorator(ak AccountKeeper, sigGasConsumer SignatureVerific
 }
 
 func (sgcd SigGasConsumeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error) {
+	if ctx.BlockHeight() == 0 {
+		// skip the signature verification on the genesis block
+		return next(ctx, tx, simulate)
+	}
 	sigTx, ok := tx.(authsigning.SigVerifiableTx)
 	if !ok {
 		return ctx, sdkerrors.Wrap(sdkerrors.ErrTxDecode, "invalid transaction type")