min go version support update to 1.15

Author: vipwzw

.github/workflows/build.yml

@@ -8,7 +8,7 @@ jobs:
       - name: Set up Golang
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14
+          go-version: 1.15
         id: go
       - name: checkout
         uses: actions/checkout@v2
@@ -39,7 +39,7 @@ jobs:
       - name: Set up Golang
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14
+          go-version: 1.15
         id: go
       - name: set go env
         run: export PATH=${PATH}:`go env GOPATH`/bin
@@ -57,7 +57,7 @@ jobs:
       - name: Set up Golang
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14
+          go-version: 1.15
         id: go
       - name: set go env
         run: export PATH=${PATH}:`go env GOPATH`/bin
@@ -78,7 +78,7 @@ jobs:
       - name: Set up Golang
         uses: actions/setup-go@v2
         with:
-          go-version: 1.14
+          go-version: 1.15
         id: go
       - name: set go env
         run: export PATH=${PATH}:`go env GOPATH`/bin

.travis.yml

@@ -12,7 +12,7 @@ matrix:
     - name: check_fmt
       sudo: require
       go:
-        - "1.14.x"
+        - "1.15.x"
         - master
       env:
         - GO111MODULE=on
@@ -26,7 +26,7 @@ matrix:
         - make linter
 
     - name: unit-test
-      go: "1.14.x"
+      go: "1.15.x"
       env:
         - GO111MODULE=on
 
@@ -37,7 +37,7 @@ matrix:
     - name: coverage
       if: branch = master
       go:
-        - "1.14.x"
+        - "1.15.x"
       env:
         - GO111MODULE=on
       before_install:
@@ -51,7 +51,7 @@ matrix:
     - name: deploy
       sudo: required
       go: 
-        - "1.14.x"
+        - "1.15.x"
       services:
         - docker
       env:

appveyor.yml

@@ -9,7 +9,7 @@ clone_folder: c:\gopath\src\github.com\33cn\chain33
 environment:
   GOPATH: c:\gopath
   DEPTESTBYPASS501: 1
-  GOVERSION: 1.14.14
+  GOVERSION: 1.15
   GO111MODULE: on
 
 #init:

go.mod

@@ -1,6 +1,6 @@
 module github.com/33cn/chain33
 
-go 1.14
+go 1.15
 
 require (
 	github.com/BurntSushi/toml v0.3.1