build: remove go-fuzz dependency and references

We don't need go-fuzz now that we use native fuzzing.

.gitignore

@@ -49,12 +49,6 @@ cmd/lncli/lncli
 mobile/build
 mobile/*_generated.go
 
-# Files created for fuzzing.
-fuzz/**/*-fuzz.zip
-fuzz/**/corpus
-fuzz/**/crashers
-fuzz/**/suppressions
-
 # vim
 *.swp
 

Makefile

@@ -82,18 +82,6 @@ $(GOIMPORTS_BIN):
 	@$(call print, "Installing goimports.")
 	cd $(TOOLS_DIR); go install -trimpath $(GOIMPORTS_PKG)
 
-$(GOFUZZ_BIN):
-	@$(call print, "Installing go-fuzz.")
-	cd $(TOOLS_DIR); go install -trimpath $(GOFUZZ_PKG)
-
-$(GOFUZZ_BUILD_BIN):
-	@$(call print, "Installing go-fuzz-build.")
-	cd $(TOOLS_DIR); go install -trimpath $(GOFUZZ_BUILD_PKG)
-
-$(GOFUZZ_DEP_BIN):
-	@$(call print, "Installing go-fuzz-dep.")
-	cd $(TOOLS_DIR); go install -trimpath $(GOFUZZ_DEP_PKG)
-
 # ============
 # INSTALLATION
 # ============
@@ -228,9 +216,9 @@ flakehunter-parallel:
 # FUZZING
 # =============
 
-fuzz: $(GOFUZZ_BIN)
+fuzz:
 	@$(call print, "Fuzzing packages '$(FUZZPKG)'.")
-	scripts/fuzz.sh run "$(FUZZPKG)" "$(FUZZ_TEST_RUN_TIME)" "$(FUZZ_NUM_PROCESSES)" 
+	scripts/fuzz.sh run "$(FUZZPKG)" "$(FUZZ_TEST_RUN_TIME)" "$(FUZZ_NUM_PROCESSES)"
 
 # =========
 # UTILITIES

build/dependencies.go

@@ -3,13 +3,12 @@
 
 package build
 
-// This file is a workaround to make sure go mod keeps around the btcd and fuzz
+// This file is a workaround to make sure go mod keeps around the btcd
 // dependencies in the go.sum file that we only use during certain tasks (such
 // as integration tests or fuzzing) or only for certain operating systems. For
 // example, the specific btcd import makes sure the indirect dependency
 // github.com/btcsuite/winsvc is kept in the go.sum file. Because of the build
 // tag, this dependency never ends up in the final lnd binary.
 import (
 	_ "github.com/btcsuite/btcd"
-	_ "github.com/dvyukov/go-fuzz/go-fuzz-dep"
 )

go.mod

@@ -16,7 +16,6 @@ require (
 	github.com/btcsuite/btcwallet/wtxmgr v1.5.0
 	github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f
 	github.com/davecgh/go-spew v1.1.1
-	github.com/dvyukov/go-fuzz v0.0.0-20210602112143-b1f3d6f4ef4e
 	github.com/go-errors/errors v1.0.1
 	github.com/golang/protobuf v1.5.2
 	github.com/gorilla/websocket v1.4.2

go.sum

@@ -179,8 +179,6 @@ github.com/dsnet/compress v0.0.1/go.mod h1:Aw8dCMJ7RioblQeTqt88akK31OvO8Dhf5Jflh
 github.com/dsnet/golib v0.0.0-20171103203638-1ea166775780/go.mod h1:Lj+Z9rebOhdfkVLjJ8T6VcRQv3SXugXy999NBtR9aFY=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/dvyukov/go-fuzz v0.0.0-20210602112143-b1f3d6f4ef4e h1:qTP1telKJHlToHlwPQNmVg4yfMDMHe4Z3SYmzkrvA2M=
-github.com/dvyukov/go-fuzz v0.0.0-20210602112143-b1f3d6f4ef4e/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=

tools/go.mod

@@ -4,7 +4,6 @@ go 1.16
 
 require (
 	github.com/btcsuite/btcd v0.23.1
-	github.com/dvyukov/go-fuzz v0.0.0-20210602112143-b1f3d6f4ef4e
 	github.com/elazarl/go-bindata-assetfs v1.0.1 // indirect
 	github.com/golangci/golangci-lint v1.46.2
 	github.com/ory/go-acc v0.2.6

tools/go.sum

@@ -224,8 +224,6 @@ github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUn
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/dvyukov/go-fuzz v0.0.0-20210602112143-b1f3d6f4ef4e h1:qTP1telKJHlToHlwPQNmVg4yfMDMHe4Z3SYmzkrvA2M=
-github.com/dvyukov/go-fuzz v0.0.0-20210602112143-b1f3d6f4ef4e/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
 github.com/elazarl/go-bindata-assetfs v1.0.1 h1:m0kkaHRKEu7tUIUFVwhGGGYClXvyl4RE03qmvRTNfbw=
 github.com/elazarl/go-bindata-assetfs v1.0.1/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=

tools/tools.go

@@ -9,9 +9,6 @@ package lnd
 // dependencies here and pin the version in go.mod.
 import (
 	_ "github.com/btcsuite/btcd"
-	_ "github.com/dvyukov/go-fuzz/go-fuzz"
-	_ "github.com/dvyukov/go-fuzz/go-fuzz-build"
-	_ "github.com/dvyukov/go-fuzz/go-fuzz-dep"
 	_ "github.com/golangci/golangci-lint/cmd/golangci-lint"
 	_ "github.com/ory/go-acc"
 	_ "github.com/rinchsan/gosimports/cmd/gosimports"