build: update btcutil dependency

go.mod

@@ -2,7 +2,7 @@ module github.com/btcsuite/btcd
 
 require (
 	github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f
-	github.com/btcsuite/btcutil v1.0.2
+	github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce
 	github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd
 	github.com/btcsuite/goleveldb v1.0.0
 	github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792

go.sum

@@ -5,8 +5,8 @@ github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f h1:bAs4lUbRJpnnkd9
 github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
 github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d h1:yJzD/yFppdVCf6ApMkVy8cUxV0XrxdP9rVf6D87/Mng=
 github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
-github.com/btcsuite/btcutil v1.0.2 h1:9iZ1Terx9fMIOtq1VrwdqfsATL9MC2l8ZrUY6YZ2uts=
-github.com/btcsuite/btcutil v1.0.2/go.mod h1:j9HUFwoQRsZL3V4n+qG+CUnEGHOarIxfC3Le2Yhbcts=
+github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce h1:YtWJF7RHm2pYCvA5t0RPmAaLUhREsKuKd+SLhxFbFeQ=
+github.com/btcsuite/btcutil v1.0.3-0.20201208143702-a53e38424cce/go.mod h1:0DVlHczLPewLcPGEIeUEzfOJhqGPQ0mJJRDBtD307+o=
 github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd h1:R/opQEbFEy9JGkIguV40SvRY1uliPX8ifOvi6ICsFCw=
 github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
 github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd h1:qdGvebPBDuYDPGi1WCPjy1tGyMpmDK8IEapSsszn7HE=
@@ -22,6 +22,7 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtE
 github.com/btcsuite/winsvc v1.0.0 h1:J9B4L7e3oqhXOcm+2IuNApwzQec85lE+QaikUcCs+dk=
 github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
 github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/decred/dcrd/lru v1.0.0 h1:Kbsb1SFDsIlaupWPwsPp+dkxiBY1frcS07PCPgotKz8=

integration/rpctest/memwallet.go

@@ -125,7 +125,7 @@ func newMemWallet(net *chaincfg.Params, harnessID uint32) (*memWallet, error) {
 
 	// The first child key from the hd root is reserved as the coinbase
 	// generation address.
-	coinbaseChild, err := hdRoot.Child(0)
+	coinbaseChild, err := hdRoot.Derive(0)
 	if err != nil {
 		return nil, err
 	}
@@ -337,7 +337,7 @@ func (m *memWallet) unwindBlock(update *chainUpdate) {
 func (m *memWallet) newAddress() (btcutil.Address, error) {
 	index := m.hdIndex
 
-	childKey, err := m.hdRoot.Child(index)
+	childKey, err := m.hdRoot.Derive(index)
 	if err != nil {
 		return nil, err
 	}
@@ -509,7 +509,7 @@ func (m *memWallet) CreateTransaction(outputs []*wire.TxOut,
 		outPoint := txIn.PreviousOutPoint
 		utxo := m.utxos[outPoint]
 
-		extendedKey, err := m.hdRoot.Child(utxo.keyIndex)
+		extendedKey, err := m.hdRoot.Derive(utxo.keyIndex)
 		if err != nil {
 			return nil, err
 		}