Chain ID mismatch with Swagger / Missing Unichain

[Hugoo]

Hey hi, per this:

https://github.com/Uniswap/uniswapx-service/blob/main/lib/util/chain.ts#L1

there are a few supported chains:

MAINNET = 1,
UNICHAIN = 130,
BASE = 8453,
OPTIMISM = 10,
ARBITRUM_ONE = 42161,
POLYGON = 137,
SEPOLIA = 11155111,
GÖRLI = 5,

But here on the swagger we only see 2 chains:

https://api.uniswap.org/v2/uniswapx/docs

Also, there is a mismatch with the returned chains:

curl "https://api.uniswap.org/v2/orders?orderStatus=open&chainId=10&limit=1&sortKey=createdAt&desc=true" | jq

(Chain 10 as per code is not avail. from the API)

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Where to get the source of truth?