103 lines
2.8 KiB
Go
103 lines
2.8 KiB
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"log"
|
||
|
|
|
||
|
|
"github.com/muun/libwallet"
|
||
|
|
)
|
||
|
|
|
||
|
|
type signingDetails struct {
|
||
|
|
RedeemScript []byte
|
||
|
|
Address libwallet.MuunAddress
|
||
|
|
}
|
||
|
|
|
||
|
|
type AddressGenerator struct {
|
||
|
|
addrs map[string]signingDetails
|
||
|
|
userKey *libwallet.HDPrivateKey
|
||
|
|
muunKey *libwallet.HDPrivateKey
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewAddressGenerator(userKey, muunKey *libwallet.HDPrivateKey) *AddressGenerator {
|
||
|
|
return &AddressGenerator{
|
||
|
|
addrs: make(map[string]signingDetails),
|
||
|
|
userKey: userKey,
|
||
|
|
muunKey: muunKey,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (g *AddressGenerator) Addresses() map[string]signingDetails {
|
||
|
|
return g.addrs
|
||
|
|
}
|
||
|
|
|
||
|
|
func (g *AddressGenerator) Generate() {
|
||
|
|
g.generateChangeAddrs()
|
||
|
|
g.generateExternalAddrs()
|
||
|
|
g.generateContactAddrs(100)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (g *AddressGenerator) generateChangeAddrs() {
|
||
|
|
const changePath = "m/1'/1'/0"
|
||
|
|
changeUserKey, _ := g.userKey.DeriveTo(changePath)
|
||
|
|
changeMuunKey, _ := g.muunKey.DeriveTo(changePath)
|
||
|
|
|
||
|
|
g.deriveTree(changeUserKey, changeMuunKey, 2000, "change")
|
||
|
|
}
|
||
|
|
|
||
|
|
func (g *AddressGenerator) generateExternalAddrs() {
|
||
|
|
const externalPath = "m/1'/1'/1"
|
||
|
|
externalUserKey, _ := g.userKey.DeriveTo(externalPath)
|
||
|
|
externalMuunKey, _ := g.muunKey.DeriveTo(externalPath)
|
||
|
|
|
||
|
|
g.deriveTree(externalUserKey, externalMuunKey, 2000, "external")
|
||
|
|
}
|
||
|
|
|
||
|
|
func (g *AddressGenerator) generateContactAddrs(numContacts int64) {
|
||
|
|
const addressPath = "m/1'/1'/2"
|
||
|
|
contactUserKey, _ := g.userKey.DeriveTo(addressPath)
|
||
|
|
contactMuunKey, _ := g.muunKey.DeriveTo(addressPath)
|
||
|
|
for i := int64(0); i <= numContacts; i++ {
|
||
|
|
partialContactUserKey, _ := contactUserKey.DerivedAt(i, false)
|
||
|
|
partialMuunUserKey, _ := contactMuunKey.DerivedAt(i, false)
|
||
|
|
|
||
|
|
branch := fmt.Sprintf("contacts-%v", i)
|
||
|
|
g.deriveTree(partialContactUserKey, partialMuunUserKey, 200, branch)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (g *AddressGenerator) deriveTree(rootUserKey, rootMuunKey *libwallet.HDPrivateKey, count int64, name string) {
|
||
|
|
|
||
|
|
for i := int64(0); i <= count; i++ {
|
||
|
|
userKey, err := rootUserKey.DerivedAt(i, false)
|
||
|
|
if err != nil {
|
||
|
|
log.Printf("skipping child %v for %v due to %v", i, name, err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
muunKey, err := rootMuunKey.DerivedAt(i, false)
|
||
|
|
if err != nil {
|
||
|
|
log.Printf("skipping child %v for %v due to %v", i, name, err)
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
addrV2, err := libwallet.CreateAddressV2(userKey.PublicKey(), muunKey.PublicKey())
|
||
|
|
if err == nil {
|
||
|
|
g.addrs[addrV2.Address()] = signingDetails{
|
||
|
|
RedeemScript: addrV2.(libwallet.RedeemableAddress).RedeemScript(),
|
||
|
|
Address: addrV2,
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
log.Printf("failed to generate %v v2 for %v due to %v", name, i, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
addrV3, err := libwallet.CreateAddressV3(userKey.PublicKey(), muunKey.PublicKey())
|
||
|
|
if err == nil {
|
||
|
|
g.addrs[addrV3.Address()] = signingDetails{
|
||
|
|
RedeemScript: addrV3.(libwallet.RedeemableAddress).RedeemScript(),
|
||
|
|
Address: addrV3,
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
log.Printf("failed to generate %v v3 for %v due to %v", name, i, err)
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|