update protobuf 1.3.2 to 1.2.0

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/33cn/chain33 v0.0.0-20200102023641-9864264f67de
 	github.com/BurntSushi/toml v0.3.1
 	github.com/NebulousLabs/Sia v1.3.7
+	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/btcsuite/btcd v0.0.0-20181013004428-67e573d211ac
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f // indirect
 	github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d // indirect
@@ -16,14 +17,19 @@ require (
 	github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f // indirect
 	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
 	github.com/davecgh/go-spew v1.1.1
-	github.com/gogo/protobuf v1.3.0
+	github.com/go-logfmt/logfmt v0.4.0 // indirect
+	github.com/gogo/protobuf v1.3.1 // indirect
 	github.com/golang-collections/collections v0.0.0-20130729185459-604e922904d3
-	github.com/golang/protobuf v1.3.2
+	github.com/golang/protobuf v1.2.0
 	github.com/hashicorp/golang-lru v0.5.0
+	github.com/json-iterator/go v1.1.7 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/pkg/errors v0.8.0
-	github.com/prometheus/client_golang v1.1.0 // indirect
+	github.com/prometheus/client_golang v0.9.2 // indirect
+	github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90 // indirect
+	github.com/prometheus/common v0.4.1 // indirect
+	github.com/prometheus/procfs v0.0.3 // indirect
 	github.com/robertkrimen/otto v0.0.0-20180617131154-15f95af6e78d
 	github.com/rs/cors v1.6.0
 	github.com/spf13/cobra v0.0.3