internal/ethapi: return empty arrays instead of null (#14374)

* internal/ethapi: return empty arrays instead of null

* internal/ethapi: minor comments to avoid future regressions
This commit is contained in:
bas-vk 2017-04-24 14:00:30 +02:00 committed by Péter Szilágyi
parent 09aabaea9f
commit 54253aae4c

@ -191,7 +191,7 @@ func NewPublicAccountAPI(am *accounts.Manager) *PublicAccountAPI {
// Accounts returns the collection of accounts this node manages // Accounts returns the collection of accounts this node manages
func (s *PublicAccountAPI) Accounts() []common.Address { func (s *PublicAccountAPI) Accounts() []common.Address {
var addresses []common.Address addresses := make([]common.Address, 0) // return [] instead of nil if empty
for _, wallet := range s.am.Wallets() { for _, wallet := range s.am.Wallets() {
for _, account := range wallet.Accounts() { for _, account := range wallet.Accounts() {
addresses = append(addresses, account.Address) addresses = append(addresses, account.Address)
@ -218,7 +218,7 @@ func NewPrivateAccountAPI(b Backend) *PrivateAccountAPI {
// ListAccounts will return a list of addresses for accounts this node manages. // ListAccounts will return a list of addresses for accounts this node manages.
func (s *PrivateAccountAPI) ListAccounts() []common.Address { func (s *PrivateAccountAPI) ListAccounts() []common.Address {
var addresses []common.Address addresses := make([]common.Address, 0) // return [] instead of nil if empty
for _, wallet := range s.am.Wallets() { for _, wallet := range s.am.Wallets() {
for _, account := range wallet.Accounts() { for _, account := range wallet.Accounts() {
addresses = append(addresses, account.Address) addresses = append(addresses, account.Address)
@ -237,7 +237,7 @@ type rawWallet struct {
// ListWallets will return a list of wallets this node manages. // ListWallets will return a list of wallets this node manages.
func (s *PrivateAccountAPI) ListWallets() []rawWallet { func (s *PrivateAccountAPI) ListWallets() []rawWallet {
var wallets []rawWallet wallets := make([]rawWallet, 0) // return [] instead of nil if empty
for _, wallet := range s.am.Wallets() { for _, wallet := range s.am.Wallets() {
wallets = append(wallets, rawWallet{ wallets = append(wallets, rawWallet{
URL: wallet.URL().String(), URL: wallet.URL().String(),