dependency: go version to 1.20 and some dependencies in go.mod

.github/workflows/build-test.yml

@@ -15,7 +15,7 @@ jobs:
   unit-test:
     strategy:
       matrix:
-        go-version: [1.19.x]
+        go-version: [1.20.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
   golang-lint:
     strategy:
       matrix:
-        go-version: [1.19.x]
+        go-version: [1.20.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/pre-release.yml

@@ -15,7 +15,7 @@ jobs:
     name: Build Release
     strategy:
       matrix:
-        go-version: [1.19.x]
+        go-version: [1.20.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
     name: Build Release
     strategy:
       matrix:
-        go-version: [1.19.x]
+        go-version: [1.20.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/unit-test.yml

@@ -15,7 +15,7 @@ jobs:
   unit-test:
     strategy:
       matrix:
-        go-version: [1.19.x]
+        go-version: [1.20.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:

README.md

@@ -61,7 +61,7 @@ Many of the below are the same as or similar to go-ethereum.
 
 For prerequisites and detailed build instructions please read the [Installation Instructions](https://geth.ethereum.org/docs/getting-started/installing-geth).
 
-Building `geth` requires both a Go (version 1.19 or later) and a C compiler (GCC 5 or higher). You can install
+Building `geth` requires both a Go (version 1.20 or later) and a C compiler (GCC 5 or higher). You can install
 them using your favourite package manager. Once the dependencies are installed, run
 
 ```shell

accounts/abi/bind/bind_test.go

@@ -2145,7 +2145,7 @@ func TestGolangBindings(t *testing.T) {
 		t.Fatalf("failed to replace cometbft dependency to bnb-chain source: %v\n%s", err, out)
 	}
 
-	tidier := exec.Command(gocmd, "mod", "tidy", "-compat=1.19")
+	tidier := exec.Command(gocmd, "mod", "tidy", "-compat=1.20")
 	tidier.Dir = pkg
 	if out, err := tidier.CombinedOutput(); err != nil {
 		t.Fatalf("failed to tidy Go module file: %v\n%s", err, out)

consensus/parlia/parlia_test.go

@@ -1,8 +1,9 @@
 package parlia
 
 import (
+	"crypto/rand"
 	"fmt"
-	"math/rand"
+	mrand "math/rand"
 	"testing"
 
 	"golang.org/x/crypto/sha3"
@@ -47,7 +48,7 @@ func simulateValidatorOutOfService(totalValidators int, downValidators int) {
 		validators[i] = true
 		down[i] = i
 	}
-	rand.Shuffle(totalValidators, func(i, j int) {
+	mrand.Shuffle(totalValidators, func(i, j int) {
 		down[i], down[j] = down[j], down[i]
 	})
 	for i := 0; i < downValidators; i++ {
@@ -125,8 +126,8 @@ func simulateValidatorOutOfService(totalValidators int, downValidators int) {
 }
 
 func producerBlockDelay(candidates map[int]bool, height, numOfValidators int) (int, uint64) {
-	s := rand.NewSource(int64(height))
-	r := rand.New(s)
+	s := mrand.NewSource(int64(height))
+	r := mrand.New(s)
 	n := numOfValidators
 	backOffSteps := make([]int, 0, n)
 	for idx := 0; idx < n; idx++ {

core/remote_state_verifier.go

@@ -351,8 +351,9 @@ func (vt *verifyTask) sendVerifyRequest(n int) {
 	}
 
 	if n < len(validPeers) && n > 0 {
-		rand.Seed(time.Now().UnixNano())
-		rand.Shuffle(len(validPeers), func(i, j int) { validPeers[i], validPeers[j] = validPeers[j], validPeers[i] })
+		// rand.Seed(time.Now().UnixNano())
+		r := rand.New(rand.NewSource(time.Now().UnixNano()))
+		r.Shuffle(len(validPeers), func(i, j int) { validPeers[i], validPeers[j] = validPeers[j], validPeers[i] })
 	} else {
 		n = len(validPeers)
 	}

eth/protocols/trust/peer_test.go

@@ -1,7 +1,7 @@
 package trust
 
 import (
-	"math/rand"
+	"crypto/rand"
 
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/p2p/enode"