upgrade go version to 1.16

.travis.yml

@@ -2,7 +2,7 @@ os: linux
 dist: bionic
 language: go
 go:
-  - 1.14
+  - 1.16
 go_import_path: github.com/harmony-one/harmony
 cache:
   directories:

Dockerfile

@@ -13,7 +13,7 @@ ENV BLS_DIR=${HMY_PATH}/bls
 ENV CGO_CFLAGS="-I${BLS_DIR}/include -I${MCL_DIR}/include"
 ENV CGO_LDFLAGS="-L${BLS_DIR}/lib"
 ENV LD_LIBRARY_PATH=${BLS_DIR}/lib:${MCL_DIR}/lib
-ENV GIMME_GO_VERSION="1.14.1"
+ENV GIMME_GO_VERSION="1.16.3"
 ENV PATH="/root/bin:${PATH}"
 
 RUN apt-get update -y

README.md

@@ -16,7 +16,7 @@ http://api.hmny.io/
 
 ## Requirements
 
-### **Go 1.14.7**
+### **Go 1.16.3**
 ### **GMP and OpenSSL**
 
 On macOS:

go.mod

@@ -1,6 +1,6 @@
 module github.com/harmony-one/harmony
 
-go 1.14
+go 1.16
 
 require (
 	github.com/VictoriaMetrics/fastcache v1.5.7 // indirect

rosetta/infra/Dockerfile

@@ -1,5 +1,5 @@
 # Build
-FROM golang:1.14 AS build
+FROM golang:1.16 AS build
 
 RUN apt update -y && \
     apt install libgmp-dev libssl-dev git -y && \