made recode tool

cmd/recode/main.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"relay.mleku.dev/bech32encoding"
+	"relay.mleku.dev/chk"
+)
+
+func main() {
+	if len(os.Args) != 2 {
+		fmt.Fprintln(os.Stderr, "usage: recode <nsec>")
+		os.Exit(1)
+	}
+	var err error
+	var skb []byte
+	if skb, err = bech32encoding.NsecToBytes([]byte(os.Args[1])); chk.E(err) {
+		os.Exit(1)
+	}
+	fmt.Printf("%0x\n", skb)
+	var nsec []byte
+	if nsec, err = bech32encoding.BinToNsec(skb); chk.E(err) {
+		os.Exit(1)
+	}
+	fmt.Printf("%s\n", nsec)
+}