multi: repleace ioutil.ReadAll

chainreg/chainregistry.go

@@ -5,7 +5,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net"
 	"net/url"
 	"os"
@@ -547,7 +547,7 @@ func NewPartialChainControl(cfg *Config) (*PartialChainControl, func(), error) {
 			if err != nil {
 				return nil, nil, err
 			}
-			rpcCert, err = ioutil.ReadAll(certFile)
+			rpcCert, err = io.ReadAll(certFile)
 			if err != nil {
 				return nil, nil, err
 			}

channeldb/migration/lnwire21/announcement_signatures.go

@@ -2,7 +2,6 @@ package lnwire
 
 import (
 	"io"
-	"io/ioutil"
 )
 
 // AnnounceSignatures is a direct message between two endpoints of a
@@ -66,7 +65,7 @@ func (a *AnnounceSignatures) Decode(r io.Reader, pver uint32) error {
 	// we'll collect the remainder into the ExtraOpaqueData field. If there
 	// aren't any bytes, then we'll snip off the slice to avoid carrying
 	// around excess capacity.
-	a.ExtraOpaqueData, err = ioutil.ReadAll(r)
+	a.ExtraOpaqueData, err = io.ReadAll(r)
 	if err != nil {
 		return err
 	}

channeldb/migration/lnwire21/channel_announcement.go

@@ -3,7 +3,6 @@ package lnwire
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 )
@@ -89,7 +88,7 @@ func (a *ChannelAnnouncement) Decode(r io.Reader, pver uint32) error {
 	// we'll collect the remainder into the ExtraOpaqueData field. If there
 	// aren't any bytes, then we'll snip off the slice to avoid carrying
 	// around excess capacity.
-	a.ExtraOpaqueData, err = ioutil.ReadAll(r)
+	a.ExtraOpaqueData, err = io.ReadAll(r)
 	if err != nil {
 		return err
 	}

channeldb/migration/lnwire21/channel_update.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"io/ioutil"
 
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
 )
@@ -160,7 +159,7 @@ func (a *ChannelUpdate) Decode(r io.Reader, pver uint32) error {
 	// we'll collect the remainder into the ExtraOpaqueData field. If there
 	// aren't any bytes, then we'll snip off the slice to avoid carrying
 	// around excess capacity.
-	a.ExtraOpaqueData, err = ioutil.ReadAll(r)
+	a.ExtraOpaqueData, err = io.ReadAll(r)
 	if err != nil {
 		return err
 	}

channeldb/migration/lnwire21/node_announcement.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"image/color"
 	"io"
-	"io/ioutil"
 	"net"
 	"unicode/utf8"
 )
@@ -127,7 +126,7 @@ func (a *NodeAnnouncement) Decode(r io.Reader, pver uint32) error {
 	// we'll collect the remainder into the ExtraOpaqueData field. If there
 	// aren't any bytes, then we'll snip off the slice to avoid carrying
 	// around excess capacity.
-	a.ExtraOpaqueData, err = ioutil.ReadAll(r)
+	a.ExtraOpaqueData, err = io.ReadAll(r)
 	if err != nil {
 		return err
 	}

cmd/lncli/cmd_payments.go

@@ -7,7 +7,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"os"
 	"runtime"
 	"strconv"
@@ -987,7 +987,7 @@ func sendToRoute(ctx *cli.Context) error {
 	// The user is signalling that we should read stdin in order to parse
 	// the set of target routes.
 	case args.Present() && args.First() == "-":
-		b, err := ioutil.ReadAll(os.Stdin)
+		b, err := io.ReadAll(os.Stdin)
 		if err != nil {
 			return err
 		}

config.go

@@ -8,6 +8,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"net"
 	"os"
@@ -2006,7 +2007,7 @@ func extractBtcdRPCParams(btcdConfigPath string) (string, string, error) {
 
 	// With the file open extract the contents of the configuration file so
 	// we can attempt to locate the RPC credentials.
-	configContents, err := ioutil.ReadAll(btcdConfigFile)
+	configContents, err := io.ReadAll(btcdConfigFile)
 	if err != nil {
 		return "", "", err
 	}
@@ -2056,7 +2057,7 @@ func extractBitcoindRPCParams(networkName, bitcoindDataDir, bitcoindConfigPath,
 
 	// With the file open extract the contents of the configuration file so
 	// we can attempt to locate the RPC credentials.
-	configContents, err := ioutil.ReadAll(bitcoindConfigFile)
+	configContents, err := io.ReadAll(bitcoindConfigFile)
 	if err != nil {
 		return "", "", "", "", err
 	}

contractcourt/htlc_incoming_contest_resolver_test.go

@@ -3,7 +3,6 @@ package contractcourt
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
 	"testing"
 
 	sphinx "github.com/lightningnetwork/lightning-onion"
@@ -291,7 +290,7 @@ type mockOnionProcessor struct {
 func (o *mockOnionProcessor) ReconstructHopIterator(r io.Reader, rHash []byte,
 	_ hop.ReconstructBlindingInfo) (hop.Iterator, error) {
 
-	data, err := ioutil.ReadAll(r)
+	data, err := io.ReadAll(r)
 	if err != nil {
 		return nil, err
 	}