Michael Freno
7c684a42cc
- Consolidated duplicate UndoManagers to single instance - Fixed connection promise to only resolve on 'connected' status - Fixed WebSocketProvider import (WebsocketProvider) - Added proper doc.destroy() cleanup - Renamed isPresenceInitialized property to avoid conflict Co-Authored-By: Paperclip <noreply@paperclip.ing>
45 lines
1.5 KiB
TypeScript
45 lines
1.5 KiB
TypeScript
import { secp256k1 } from '@noble/curves/secp256k1'
|
|
|
|
import type { ErrorType } from '../../errors/utils.js'
|
|
import type { Hex, Signature } from '../../types/misc.js'
|
|
import {
|
|
type NumberToHexErrorType,
|
|
numberToHex,
|
|
} from '../../utils/encoding/toHex.js'
|
|
|
|
export type ParseSignatureErrorType = NumberToHexErrorType | ErrorType
|
|
|
|
/**
|
|
* @description Parses a hex formatted signature into a structured signature.
|
|
*
|
|
* @param signatureHex Signature in hex format.
|
|
* @returns The structured signature.
|
|
*
|
|
* @example
|
|
* parseSignature('0x6e100a352ec6ad1b70802290e18aeed190704973570f3b8ed42cb9808e2ea6bf4a90a229a244495b41890987806fcbd2d5d23fc0dbe5f5256c2613c039d76db81c')
|
|
* // { r: '0x...', s: '0x...', v: 28n }
|
|
*/
|
|
export function parseSignature(signatureHex: Hex) {
|
|
const { r, s } = secp256k1.Signature.fromCompact(signatureHex.slice(2, 130))
|
|
const yParityOrV = Number(`0x${signatureHex.slice(130)}`)
|
|
const [v, yParity] = (() => {
|
|
if (yParityOrV === 0 || yParityOrV === 1) return [undefined, yParityOrV]
|
|
if (yParityOrV === 27) return [BigInt(yParityOrV), 0]
|
|
if (yParityOrV === 28) return [BigInt(yParityOrV), 1]
|
|
throw new Error('Invalid yParityOrV value')
|
|
})()
|
|
|
|
if (typeof v !== 'undefined')
|
|
return {
|
|
r: numberToHex(r, { size: 32 }),
|
|
s: numberToHex(s, { size: 32 }),
|
|
v,
|
|
yParity,
|
|
} satisfies Signature
|
|
return {
|
|
r: numberToHex(r, { size: 32 }),
|
|
s: numberToHex(s, { size: 32 }),
|
|
yParity,
|
|
} satisfies Signature
|
|
}
|