From: Chris Duncan <chris@zoso.dev>
Date: Tue, 22 Apr 2025 21:16:55 +0000 (-0700)
Subject: Cache NanoPow as puppeteer handle for further evaluate calls.
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=f2f1f75e43cfcc9a8c4b2f313a6f0b31f6f736f3;p=nano-pow.git

Cache NanoPow as puppeteer handle for further evaluate calls.
---

diff --git a/src/bin/server.ts b/src/bin/server.ts
index 58808cb..298d777 100755
--- a/src/bin/server.ts
+++ b/src/bin/server.ts
@@ -121,17 +121,17 @@ async function respond (res: http.ServerResponse, dataBuffer: Buffer[]): Promise
 		}
 		switch (action) {
 			case ('work_generate'): {
-				response = JSON.stringify(await page.evaluate(async (hash: string, options: NanoPowOptions): Promise<WorkGenerateResponse | WorkValidateResponse> => {
-					if (window.NanoPow == null) throw new Error('NanoPow not found')
-					return await window.NanoPow.work_generate(hash, options)
-				}, hash, options))
+				response = JSON.stringify(await page.evaluate(async (np, hash: string, options: NanoPowOptions): Promise<WorkGenerateResponse | WorkValidateResponse> => {
+					if (np == null) throw new Error('NanoPow not found')
+					return await np.work_generate(hash, options)
+				}, npHandle, hash, options))
 				break
 			}
 			case ('work_validate'): {
-				response = JSON.stringify(await page.evaluate(async (work: string, hash: string, options: NanoPowOptions): Promise<WorkGenerateResponse | WorkValidateResponse> => {
-					if (window.NanoPow == null) throw new Error('NanoPow not found')
-					return await window.NanoPow.work_validate(work, hash, options)
-				}, work, hash, options))
+				response = JSON.stringify(await page.evaluate(async (np, work: string, hash: string, options: NanoPowOptions): Promise<WorkGenerateResponse | WorkValidateResponse> => {
+					if (np == null) throw new Error('NanoPow not found')
+					return await np.work_validate(work, hash, options)
+				}, npHandle, work, hash, options))
 				break
 			}
 			default: {
@@ -289,6 +289,7 @@ await page.goto('https://nanopow.invalid/')
 await page.waitForFunction(async (): Promise<boolean> => {
 	return window.NanoPow != null
 })
+const npHandle = await page.evaluateHandle(() => window.NanoPow)
 
 log('Puppeteer initialized')