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consensus/clique: use slices package for sorting (#27488)

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Also adds Address.Less for sorting use in other packages.

---------

Co-authored-by: Felix Lange <fjl@twurst.com>
This commit is contained in:
Dan Laine 2023-06-19 03:04:16 -04:00 committed by GitHub
parent 4367ab499f
commit a848212709
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 9 additions and 11 deletions
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5
common/types.go
View File

@ -226,6 +226,11 @@ func IsHexAddress(s string) bool {
return len(s) == 2*AddressLength && isHex(s)
}
// Less compares two addresses.
func (a Address) Less(other Address) bool {
return bytes.Compare(a[:], other[:]) < 0
}
// Bytes gets the string representation of the underlying address.
func (a Address) Bytes() []byte { return a[:] }

11
consensus/clique/snapshot.go
View File

@ -19,7 +19,6 @@ package clique
import (
"bytes"
"encoding/json"
"sort"
"time"
"github.com/ethereum/go-ethereum/common"
@ -29,6 +28,7 @@ import (
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
"golang.org/x/exp/slices"
)
// Vote represents a single vote that an authorized signer made to modify the
@ -62,13 +62,6 @@ type Snapshot struct {
Tally map[common.Address]Tally `json:"tally"` // Current vote tally to avoid recalculating
}
// signersAscending implements the sort interface to allow sorting a list of addresses
type signersAscending []common.Address
func (s signersAscending) Len() int { return len(s) }
func (s signersAscending) Less(i, j int) bool { return bytes.Compare(s[i][:], s[j][:]) < 0 }
func (s signersAscending) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// newSnapshot creates a new snapshot with the specified startup parameters. This
// method does not initialize the set of recent signers, so only ever use if for
// the genesis block.
@ -315,7 +308,7 @@ func (s *Snapshot) signers() []common.Address {
for sig := range s.Signers {
sigs = append(sigs, sig)
}
sort.Sort(signersAscending(sigs))
slices.SortFunc(sigs, common.Address.Less)
return sigs
}

4
consensus/clique/snapshot_test.go
View File

@ -21,7 +21,6 @@ import (
"crypto/ecdsa"
"fmt"
"math/big"
"sort"
"testing"
"github.com/ethereum/go-ethereum/common"
@ -31,6 +30,7 @@ import (
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/params"
"golang.org/x/exp/slices"
)
// testerAccountPool is a pool to maintain currently active tester accounts,
@ -53,7 +53,7 @@ func (ap *testerAccountPool) checkpoint(header *types.Header, signers []string)
for i, signer := range signers {
auths[i] = ap.address(signer)
}
sort.Sort(signersAscending(auths))
slices.SortFunc(auths, common.Address.Less)
for i, auth := range auths {
copy(header.Extra[extraVanity+i*common.AddressLength:], auth.Bytes())
}