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import { toHexString } from '@eth-optimism/core-utils'
/**
* Basic timeout-based async sleep function.
*
* @param ms Number of milliseconds to sleep.
*/
export const sleep = async (ms: number): Promise<void> => {
return new Promise<void>((resolve) => {
setTimeout(resolve, ms)
})
}
export const assert = (condition: () => boolean, reason?: string) => {
try {
if (condition() === false) {
throw new Error(`Assertion failed: ${reason}`)
}
} catch (err) {
throw new Error(`Assertion failed: ${reason}\n${err}`)
}
}
export const toRpcHexString = (n: number): string => {
if (n === 0) {
return '0x0'
} else {
// prettier-ignore
return '0x' + toHexString(n).slice(2).replace(/^0+/, '')
}
}
export const padHexString = (str: string, length: number): string => {
if (str.length === 2 + length * 2) {
return str
} else {
return '0x' + str.slice(2).padStart(length * 2, '0')
}
}