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addrbook.go
247 lines (218 loc) · 5.29 KB
/
addrbook.go
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package app
import (
"encoding/json"
"errors"
"fmt"
"os"
"sort"
cfg "github.com/dotneko/omg/config"
)
type Account struct {
Alias string
Address string
}
type Accounts []Account
const (
bech32len int = 39
matchlen int = 33
AccNormal = "normal"
AccValoper = "valoper"
AccAll = "all"
)
// Checks if address is a validator account
func IsValidatorAddress(address string) bool {
prefixLen := len(cfg.ValoperPrefix)
if len(address) == (prefixLen+bech32len) && address[:prefixLen] == cfg.ValoperPrefix {
return true
}
return false
}
// Checks if address is a wallet account
func IsNormalAddress(address string) bool {
prefixLen := len(cfg.AddressPrefix)
if len(address) == (prefixLen+bech32len) && address[:prefixLen] == cfg.AddressPrefix {
return true
}
return false
}
// Checks if address is valid
func IsValidAddress(address string) bool {
if !IsNormalAddress(address) && !IsValidatorAddress(address) {
return false
}
return true
}
// Simple check if address is self-delegate for validator
// 1tman8gcu0d8rn7md6q9qdxme0dp74yv3
// 33 matching characters after the prefix
func IsSelfDelegate(address string, valoperAddress string) bool {
if !IsNormalAddress(address) || !IsValidatorAddress(valoperAddress) {
return false
}
if address[len(cfg.AddressPrefix):len(cfg.AddressPrefix)+matchlen] ==
valoperAddress[len(cfg.ValoperPrefix):len(cfg.ValoperPrefix)+matchlen] {
return true
}
return false
}
func ShortAddress(address string) string {
var offset int
const chars = 4
if IsNormalAddress(address) {
offset = len(cfg.AddressPrefix)
} else if IsValidatorAddress(address) {
offset = len(cfg.ValoperPrefix)
} else {
return address
}
return address[:offset+5] + ".." + address[len(address)-chars:]
}
// Lists accounts
func (l *Accounts) String() string {
formatted := ""
for _, a := range *l {
formatted += fmt.Sprintf("%20s [ %s ]\n", a.Alias, a.Address)
}
return formatted
}
func (l *Accounts) ListFiltered(accountType string, addressOnly bool) string {
formatted := ""
for _, a := range *l {
include := true
if accountType == AccNormal {
include = IsNormalAddress(a.Address)
} else if accountType == AccValoper {
include = IsValidatorAddress(a.Address)
}
if include {
if addressOnly {
formatted += a.Address + "\n"
} else {
formatted += fmt.Sprintf("%20s [ %s ]\n", a.Alias, a.Address)
}
}
}
return formatted
}
// Add method creates a new account and appends it to the list of Accounts
func (l *Accounts) Add(alias string, address string) error {
if !IsValidAddress(address) {
return fmt.Errorf("%q is ot a valid address", address)
}
if existAddr := l.GetAddress(alias); existAddr != "" {
return fmt.Errorf("existing entry for %s => %s", alias, existAddr)
}
a := Account{
Alias: alias,
Address: address,
}
*l = append(*l, a)
return nil
}
// Delete account from the list with matching index
func (l *Accounts) DeleteIndex(idx int) error {
ls := *l
if idx < 0 || idx >= len(ls) {
return fmt.Errorf("Account at index %d does not exist", idx)
}
// Adjusting index for 0 based index
*l = append(ls[:idx], ls[idx+1:]...)
return nil
}
// Delete account from list with matching alias
func (l *Accounts) Delete(alias string) error {
ls := *l
idx := l.GetIndex(alias)
if idx < 0 {
return fmt.Errorf("Account matching %q does not exist", alias)
}
// Adjusting index for 0 based index
*l = append(ls[:idx], ls[idx+1:]...)
return nil
}
// Modify account details with matching index
func (l *Accounts) Modify(idx int, alias string, address string) error {
ls := *l
if idx < 0 || idx >= len(ls) {
return fmt.Errorf("alias/address does not exist")
}
if alias != "" {
ls[idx].Alias = alias
}
if IsValidAddress(address) {
ls[idx].Address = address
}
*l = ls
return nil
}
// Get address for given alias
func (l *Accounts) GetAddress(alias string) string {
for _, a := range *l {
if alias == a.Alias {
return a.Address
}
}
return ""
}
// Get index for given alias
func (l *Accounts) GetIndexAddress(alias string) (int, string) {
for idx, a := range *l {
if alias == a.Alias {
return idx, a.Address
}
}
return -1, ""
}
// Get index for given alias
func (l *Accounts) GetIndex(alias string) int {
for idx, a := range *l {
if alias == a.Alias {
return idx
}
}
return -1
}
// Save accounts in JSON format
func (l *Accounts) Save(filename string) error {
ls := *l
sort.SliceStable(ls, func(i, j int) bool {
return ls[i].Alias < ls[j].Alias
})
js, err := json.Marshal(ls)
if err != nil {
return err
}
return os.WriteFile(filename, js, 0644)
}
// Load accounts from JSON file
func (l *Accounts) Load(filealias string) error {
file, err := os.ReadFile(filealias)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
return nil
}
return err
}
if len(file) == 0 {
return nil
}
return json.Unmarshal(file, l)
}
// Import addresses from keyring
func ImportFromKeyring(l *Accounts, keyring string) (int, error) {
accounts, err := GetKeyringAccounts(keyring)
if err != nil {
return 0, err
}
count := 0
for _, acc := range accounts {
if l.GetAddress(acc.Alias) == "" {
l.Add(acc.Alias, acc.Address)
count++
fmt.Printf("Imported %s [%s]\n", acc.Alias, acc.Address)
} else {
fmt.Printf("Skip existing key with alias %q [%s]\n", acc.Alias, acc.Address)
}
}
return count, nil
}