build: Test against Go 1.20

.github/workflows/go.yml

@@ -8,17 +8,17 @@ jobs:
     name: Go CI
     strategy:
       matrix:
-        go: [1.18, 1.19]
+        go: ["1.19", "1.20"]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
       # Prepare env.
       - name: Set up Go
-        uses: actions/setup-go@84cbf8094393cdc5fe1fe1671ff2647332956b1a #v3.2.1
+        uses: actions/setup-go@6edd4406fa81c3da01a34fa6f6343087c207a568 #v3.5.0
         with:
           go-version: ${{ matrix.go }}
       - name: Install Linters
-        run: "curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.50.0"
+        run: "curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin v1.51.2"
         shell: bash
       - name: Set git config to please linters
         run: |
@@ -27,6 +27,6 @@ jobs:
 
       # Test repository.
       - name: Check out source
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b #v3.0.2
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c #v3.3.0
       - name: Test
         run: sh ./run_tests.sh

dcrdtest/rpc_harness.go

@@ -23,16 +23,6 @@ import (
 	"github.com/decred/dcrd/wire"
 )
 
-const (
-	// These constants define the minimum and maximum p2p and rpc port
-	// numbers used by a test harness.  The min port is inclusive while the
-	// max port is exclusive.
-	minPeerPort = 10000
-	maxPeerPort = 35000
-	minRPCPort  = maxPeerPort
-	maxRPCPort  = 60000
-)
-
 var (
 	// XXX these variables are accessed in what should be accessor
 	// functions yet it is all global

dcrtest.work

@@ -1,3 +1,3 @@
-go 1.18
+go 1.19
 
 use ./dcrdtest