From 75e6befdd0f83d4d5be774fa50ed2cb116bdc993 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Wed, 21 Aug 2024 16:54:02 -0300
Subject: [PATCH] nip13: move Generate() to deprecated.go

---
 nip13/deprecated.go | 32 ++++++++++++++++++++++++++++++++
 nip13/nip13.go      | 25 -------------------------
 2 files changed, 32 insertions(+), 25 deletions(-)
 create mode 100644 nip13/deprecated.go

diff --git a/nip13/deprecated.go b/nip13/deprecated.go
new file mode 100644
index 0000000..c83b5b1
--- /dev/null
+++ b/nip13/deprecated.go
@@ -0,0 +1,32 @@
+package nip13
+
+import (
+	"strconv"
+	"time"
+
+	"github.com/nbd-wtf/go-nostr"
+)
+
+// Deprecated: use DoWork()
+func Generate(event *nostr.Event, targetDifficulty int, timeout time.Duration) (*nostr.Event, error) {
+	if event.PubKey == "" {
+		return nil, ErrMissingPubKey
+	}
+
+	tag := nostr.Tag{"nonce", "", strconv.Itoa(targetDifficulty)}
+	event.Tags = append(event.Tags, tag)
+	var nonce uint64
+	start := time.Now()
+	for {
+		nonce++
+		tag[1] = strconv.FormatUint(nonce, 10)
+		if Difficulty(event.GetID()) >= targetDifficulty {
+			return event, nil
+		}
+		// benchmarks show one iteration is approx 3000ns on i7-8565U @ 1.8GHz.
+		// so, check every 30ms; arbitrary
+		if nonce%10000 == 0 && time.Since(start) > timeout {
+			return nil, ErrGenerateTimeout
+		}
+	}
+}
diff --git a/nip13/nip13.go b/nip13/nip13.go
index d324efe..ded506d 100644
--- a/nip13/nip13.go
+++ b/nip13/nip13.go
@@ -7,7 +7,6 @@ import (
 	"math/bits"
 	"runtime"
 	"strconv"
-	"time"
 
 	nostr "github.com/nbd-wtf/go-nostr"
 )
@@ -65,30 +64,6 @@ func Check(id string, minDifficulty int) error {
 	return nil
 }
 
-// Deprecated: use DoWork()
-func Generate(event *nostr.Event, targetDifficulty int, timeout time.Duration) (*nostr.Event, error) {
-	if event.PubKey == "" {
-		return nil, ErrMissingPubKey
-	}
-
-	tag := nostr.Tag{"nonce", "", strconv.Itoa(targetDifficulty)}
-	event.Tags = append(event.Tags, tag)
-	var nonce uint64
-	start := time.Now()
-	for {
-		nonce++
-		tag[1] = strconv.FormatUint(nonce, 10)
-		if Difficulty(event.GetID()) >= targetDifficulty {
-			return event, nil
-		}
-		// benchmarks show one iteration is approx 3000ns on i7-8565U @ 1.8GHz.
-		// so, check every 30ms; arbitrary
-		if nonce%10000 == 0 && time.Since(start) > timeout {
-			return nil, ErrGenerateTimeout
-		}
-	}
-}
-
 // DoWork() performs work in multiple threads (given by runtime.NumCPU()) and returns the first
 // nonce (as a nostr.Tag) that yields the required work.
 // Returns an error if the context expires before that.