forked from chappjc/hdaddy
/
main.go
75 lines (64 loc) · 1.9 KB
/
main.go
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// Copyright (c) 2018, Decred Labs
// Copyright (c) 2017, Jonathan Chappelow
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package main
import (
"flag"
"fmt"
"os"
"github.com/dcrlabs/hdaddy"
"github.com/decred/dcrd/chaincfg"
"github.com/decred/dcrd/dcrutil"
)
var xkey = flag.String("key", "", "extended key")
var index = flag.Int("index", 0, "The starting index of nodes for which to derive addresses")
var count = flag.Int("count", 1, "The number of addresses to derive")
var branch = flag.Int("branch", -1, "(Optional) Derive addresses on a child branch (e.g. external/0 or internal/1)")
var testnet = flag.Bool("testnet", false, "key is for testnet")
var simnet = flag.Bool("simnet", false, "key is for simnet")
func runMain() error {
defer func() {
_ = os.Stdout.Sync()
}()
flag.Parse()
chainParams := &chaincfg.MainNetParams
if *testnet {
chainParams = &chaincfg.TestNet3Params
if *simnet {
return fmt.Errorf("Cannot specify both simnet and testnet")
}
} else if *simnet {
chainParams = &chaincfg.SimNetParams
}
startUint := uint32(*index)
countUint := uint32(*count)
branchUint := uint32(*branch)
var addrs []dcrutil.Address
var err error
// branch -1 indicates to derive keys (and addresses) for immediate children
// of the input extended key. A non-negative branch will derive keys one
// level deeper, on the specified branch.
if *branch == -1 {
addrs, _, err = hdaddy.AddressRangeExtendedKeyStr(*xkey, startUint, countUint, chainParams)
if err != nil {
return err
}
} else {
addrs, _, err = hdaddy.AddressRangeFromAccountKeyString(*xkey, startUint, countUint, branchUint, chainParams)
if err != nil {
return err
}
}
for i := range addrs {
fmt.Printf("%s\n", addrs[i].String())
}
return nil
}
func main() {
if err := runMain(); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
os.Exit(1)
}
os.Exit(0)
}