From 3bf0b8414543c9a6ccdba17b79c51863d25efad1 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@zoso.dev>
Date: Wed, 8 Jan 2025 14:53:07 -0800
Subject: [PATCH] Adjust error handling to try catching iOS error with more
 meaningful messaging.

---
 src/lib/nano-pow/classes/gpu.ts | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/lib/nano-pow/classes/gpu.ts b/src/lib/nano-pow/classes/gpu.ts
index 1478673..e1bac77 100644
--- a/src/lib/nano-pow/classes/gpu.ts
+++ b/src/lib/nano-pow/classes/gpu.ts
@@ -36,7 +36,9 @@ export class NanoPowGpu {
 					.then(device => {
 						this.#device = device
 						this.#device.lost.then(loss => {
-							console.warn(`(${loss.reason}) ${loss.message}. Reinitializing device.`)
+							console.dir(loss)
+							console.warn(loss.reason, loss.message)
+							console.warn(`Device lost. Reinitializing...`)
 							this.init()
 						})
 
@@ -166,13 +168,9 @@ export class NanoPowGpu {
 		this.#device.queue.submit([commandEncoder.finish()])
 
 		// Read results back to Javascript and then unmap buffer after reading
-		try {
 			await this.#cpuBuffer.mapAsync(GPUMapMode.READ)
 			await this.#device.queue.onSubmittedWorkDone()
-		} catch (err) {
-			console.warn(`Error getting data from GPU, retrying. ${err}`)
-			return await this.search(hash, threshold)
-		}
+		try {
 		const data = new DataView(this.#cpuBuffer.getMappedRange())
 		const nonce = data.getBigUint64(0, true)
 		const found = !!data.getUint32(8)
@@ -182,6 +180,10 @@ export class NanoPowGpu {
 			const hex = nonce.toString(16).padStart(16, '0')
 			return hex
 		} else {
+				return await this.search(hash, threshold)
+			}
+		} catch (err) {
+			console.warn(`Error getting data from GPU, retrying. ${err}`)
 			return await this.search(hash, threshold)
 		}
 	}
-- 
2.34.1