bump go version to 1.15 (#5639)

.github/workflows/coverage.yml

@@ -41,6 +41,9 @@ jobs:
       matrix:
         part: ["00", "01", "02", "03"]
     steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.4'
       - uses: actions/checkout@v2
       - uses: technote-space/get-diff-action@v4
         with:

.github/workflows/e2e-nightly.yml

@@ -16,6 +16,10 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.4'
+
       - uses: actions/checkout@v2
 
       - name: Build

.github/workflows/e2e.yml

@@ -13,6 +13,9 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.4'
       - uses: actions/checkout@v2
       - uses: technote-space/get-diff-action@v4
         with:

.github/workflows/release.yml

@@ -14,10 +14,9 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Set up Go
-        uses: actions/setup-go@v2
+      - uses: actions/setup-go@v2
         with:
-          go-version: 1.15
+          go-version: '^1.15.4'
 
       - run: echo https://github.com/tendermint/tendermint/blob/${GITHUB_REF#refs/tags/}/CHANGELOG.md#${GITHUB_REF#refs/tags/} > ../release_notes.md 
 

.github/workflows/tests.yml

@@ -23,6 +23,9 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.4'
       - uses: actions/checkout@v2
       - uses: technote-space/get-diff-action@v4
         with:
@@ -55,6 +58,9 @@ jobs:
     needs: Build
     timeout-minutes: 5
     steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.4'
       - uses: actions/checkout@v2
       - uses: technote-space/get-diff-action@v4
         with:
@@ -87,6 +93,9 @@ jobs:
     needs: Build
     timeout-minutes: 5
     steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.4'
       - uses: actions/checkout@v2
       - uses: technote-space/get-diff-action@v4
         with:
@@ -118,6 +127,9 @@ jobs:
     needs: Build
     timeout-minutes: 5
     steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '^1.15.4'
       - uses: actions/checkout@v2
       - uses: technote-space/get-diff-action@v4
         with:

README.md

@@ -8,7 +8,7 @@ Or [Blockchain](<https://en.wikipedia.org/wiki/Blockchain_(database)>), for shor
 
 [![version](https://img.shields.io/github/tag/tendermint/tendermint.svg)](https://github.com/tendermint/tendermint/releases/latest)
 [![API Reference](https://camo.githubusercontent.com/915b7be44ada53c290eb157634330494ebe3e30a/68747470733a2f2f676f646f632e6f72672f6769746875622e636f6d2f676f6c616e672f6764646f3f7374617475732e737667)](https://pkg.go.dev/github.com/tendermint/tendermint)
-[![Go version](https://img.shields.io/badge/go-1.14-blue.svg)](https://github.com/moovweb/gvm)
+[![Go version](https://img.shields.io/badge/go-1.15-blue.svg)](https://github.com/moovweb/gvm)
 [![Discord chat](https://img.shields.io/discord/669268347736686612.svg)](https://discord.gg/AzefAFd)
 [![license](https://img.shields.io/github/license/tendermint/tendermint.svg)](https://github.com/tendermint/tendermint/blob/master/LICENSE)
 [![tendermint/tendermint](https://tokei.rs/b1/github/tendermint/tendermint?category=lines)](https://github.com/tendermint/tendermint)
@@ -48,7 +48,7 @@ For examples of the kinds of bugs we're looking for, see [our security policy](S
 
 | Requirement | Notes            |
 | ----------- | ---------------- |
-| Go version  | Go1.14 or higher |
+| Go version  | Go1.15 or higher |
 
 ## Documentation
 

Vagrantfile

@@ -33,10 +33,10 @@ Vagrant.configure("2") do |config|
     usermod -aG docker vagrant
 
     # install go
-    wget -q https://dl.google.com/go/go1.14.linux-amd64.tar.gz
-    tar -xvf go1.14.linux-amd64.tar.gz
+    wget -q https://dl.google.com/go/go1.15.linux-amd64.tar.gz
+    tar -xvf go1.15.linux-amd64.tar.gz
     mv go /usr/local
-    rm -f go1.14.linux-amd64.tar.gz
+    rm -f go1.15.linux-amd64.tar.gz
 
     # install nodejs (for docs)
     curl -sL https://deb.nodesource.com/setup_11.x | bash -

go.mod

@@ -1,6 +1,6 @@
 module github.com/tendermint/tendermint
 
-go 1.14
+go 1.15
 
 require (
 	github.com/BurntSushi/toml v0.3.1

networks/remote/integration.sh

@@ -10,8 +10,8 @@ sudo apt-get upgrade -y
 sudo apt-get install -y jq unzip python-pip software-properties-common make
 
 # get and unpack golang
-curl -O https://dl.google.com/go/go1.14.4.linux-amd64.tar.gz
-tar -xvf go1.14.4.linux-amd64.tar.gz
+curl -O https://dl.google.com/go/go1.15.4.linux-amd64.tar.gz
+tar -xvf go1.15.4.linux-amd64.tar.gz
 
 ## move binary and add to path
 mv go /usr/local

test/docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.14
+FROM golang:1.15
 
 # Grab deps (jq, hexdump, xxd, killall)
 RUN apt-get update && \