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fix: allocate shared buffer at runtime to fix browser compatibility #7023

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fix: allocate shared buffer at runtime to fix browser compatibility #7023

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5 changes: 4 additions & 1 deletion packages/utils/src/bytes.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -57,12 +57,15 @@ export function toHex(buffer: Uint8Array | Parameters<typeof Buffer.from>[0]): s
}

// Shared buffer to convert root to hex
const rootBuf = Buffer.alloc(32);
let rootBuf: Buffer | undefined;

/**
* Convert a Uint8Array, length 32, to 0x-prefixed hex string
*/
export function toRootHex(root: Uint8Array): string {
if (rootBuf === undefined) {
rootBuf = Buffer.alloc(32);
}
rootBuf.set(root);
return `0x${rootBuf.toString("hex")}`;
}
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