common/prque: remove dependency on golang.org/exp (#29314)

common/prque/lazyqueue.go

@@ -17,11 +17,11 @@
 package prque
 
 import (
+	"cmp"
 	"container/heap"
 	"time"
 
 	"github.com/XinFinOrg/XDPoSChain/common/mclock"
-	"golang.org/x/exp/constraints"
 )
 
 // LazyQueue is a priority queue data structure where priorities can change over
@@ -33,7 +33,7 @@ import (
 //
 // If the upper estimate is exceeded then Update should be called for that item.
 // A global Refresh function should also be called periodically.
-type LazyQueue[P constraints.Ordered, V any] struct {
+type LazyQueue[P cmp.Ordered, V any] struct {
 	clock mclock.Clock
 	// Items are stored in one of two internal queues ordered by estimated max
 	// priority until the next and the next-after-next refresh. Update and Refresh
@@ -50,12 +50,12 @@ type LazyQueue[P constraints.Ordered, V any] struct {
 }
 
 type (
-	PriorityCallback[P constraints.Ordered, V any]    func(data V) P                       // actual priority callback
+	PriorityCallback[P cmp.Ordered, V any]    func(data V) P                       // actual priority callback
-	MaxPriorityCallback[P constraints.Ordered, V any] func(data V, until mclock.AbsTime) P // estimated maximum priority callback
+	MaxPriorityCallback[P cmp.Ordered, V any] func(data V, until mclock.AbsTime) P // estimated maximum priority callback
 )
 
 // NewLazyQueue creates a new lazy queue
-func NewLazyQueue[P constraints.Ordered, V any](setIndex SetIndexCallback[V], priority PriorityCallback[P, V], maxPriority MaxPriorityCallback[P, V], clock mclock.Clock, refreshPeriod time.Duration) *LazyQueue[P, V] {
+func NewLazyQueue[P cmp.Ordered, V any](setIndex SetIndexCallback[V], priority PriorityCallback[P, V], maxPriority MaxPriorityCallback[P, V], clock mclock.Clock, refreshPeriod time.Duration) *LazyQueue[P, V] {
 	q := &LazyQueue[P, V]{
 		popQueue:     newSstack[P, V](nil),
 		setIndex:     setIndex,

common/prque/prque.go

@@ -18,18 +18,17 @@
 package prque
 
 import (
+	"cmp"
 	"container/heap"
-
-	"golang.org/x/exp/constraints"
 )
 
 // Priority queue data structure.
-type Prque[P constraints.Ordered, V any] struct {
+type Prque[P cmp.Ordered, V any] struct {
 	cont *sstack[P, V]
 }
 
 // New creates a new priority queue.
-func New[P constraints.Ordered, V any](setIndex SetIndexCallback[V]) *Prque[P, V] {
+func New[P cmp.Ordered, V any](setIndex SetIndexCallback[V]) *Prque[P, V] {
 	return &Prque[P, V]{newSstack[P, V](setIndex)}
 }
 

common/prque/sstack.go

@@ -10,13 +10,13 @@
 
 package prque
 
-import "golang.org/x/exp/constraints"
+import "cmp"
 
 // The size of a block of data
 const blockSize = 4096
 
 // A prioritized item in the sorted stack.
-type item[P constraints.Ordered, V any] struct {
+type item[P cmp.Ordered, V any] struct {
 	value    V
 	priority P
 }
@@ -29,7 +29,7 @@ type SetIndexCallback[V any] func(data V, index int)
 // Internal sortable stack data structure. Implements the Push and Pop ops for
 // the stack (heap) functionality and the Len, Less and Swap methods for the
 // sortability requirements of the heaps.
-type sstack[P constraints.Ordered, V any] struct {
+type sstack[P cmp.Ordered, V any] struct {
 	setIndex SetIndexCallback[V]
 	size     int
 	capacity int
@@ -40,7 +40,7 @@ type sstack[P constraints.Ordered, V any] struct {
 }
 
 // Creates a new, empty stack.
-func newSstack[P constraints.Ordered, V any](setIndex SetIndexCallback[V]) *sstack[P, V] {
+func newSstack[P cmp.Ordered, V any](setIndex SetIndexCallback[V]) *sstack[P, V] {
 	result := new(sstack[P, V])
 	result.setIndex = setIndex
 	result.active = make([]*item[P, V], blockSize)

go.mod

@@ -47,13 +47,14 @@ require (
 	github.com/deckarep/golang-set v1.8.0
 	github.com/dop251/goja v0.0.0-20200721192441-a695b0cdd498
 	github.com/ethereum/c-kzg-4844 v0.4.0
+	github.com/go-yaml/yaml v2.1.0+incompatible
 	github.com/influxdata/influxdb-client-go/v2 v2.4.0
 	github.com/influxdata/influxdb1-client v0.0.0-20220302092344-a9ab5670611c
 	github.com/kylelemons/godebug v1.1.0
 	github.com/mattn/go-isatty v0.0.17
+	github.com/protolambda/bls12-381-util v0.0.0-20220416220906-d8552aa452c7
 	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible
 	github.com/urfave/cli/v2 v2.27.5
-	golang.org/x/exp v0.0.0-20221126150942-6ab00d035af9
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
 
@@ -68,7 +69,6 @@ require (
 	github.com/dlclark/regexp2 v1.10.0 // indirect
 	github.com/go-ole/go-ole v1.2.5 // indirect
 	github.com/go-sourcemap/sourcemap v2.1.3+incompatible // indirect
-	github.com/go-yaml/yaml v2.1.0+incompatible // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/influxdata/line-protocol v0.0.0-20200327222509-2487e7298839 // indirect
 	github.com/kilic/bls12-381 v0.1.0 // indirect
@@ -78,7 +78,6 @@ require (
 	github.com/mmcloughlin/addchain v0.4.0 // indirect
 	github.com/naoina/go-stringutil v0.1.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/protolambda/bls12-381-util v0.0.0-20220416220906-d8552aa452c7 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/rogpeppe/go-internal v1.9.0 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect

go.sum

@@ -220,8 +220,6 @@ golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.29.0 h1:L5SG1JTTXupVV3n6sUqMTeWbjAyfPwoda2DLX8J8FrQ=
 golang.org/x/crypto v0.29.0/go.mod h1:+F4F4N5hv6v38hfeYwTdx20oUvLLc+QfrE9Ax9HtgRg=
-golang.org/x/exp v0.0.0-20221126150942-6ab00d035af9 h1:yZNXmy+j/JpX19vZkVktWqAo7Gny4PBWYYK3zskGpx4=
-golang.org/x/exp v0.0.0-20221126150942-6ab00d035af9/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
 golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
 golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=