Function getSourceHash

src/op-stack/utils/getSourceHash.ts:49–61

({
  domain,
  l1LogIndex,
  l1BlockHash,
  sequenceNumber,
}: GetSourceHashParameters)

} as const

export function getSourceHash({
  domain,
  l1LogIndex,
  l1BlockHash,
  sequenceNumber,
}: GetSourceHashParameters) {
  const marker = toHex(l1LogIndex! ?? sequenceNumber!)
  const input = concat([l1BlockHash, pad(marker, { size: 32 })])
  const depositIdHash = keccak256(input)
  const domainHex = toHex(sourceHashDomainMap[domain])
  const domainInput = concat([pad(domainHex, { size: 32 }), depositIdHash])
  return keccak256(domainInput)
}