Sam MacPherson
Sam MacPherson
That is the gem join. The PSM is at 0x89B78CfA322F6C5dE0aBcEecab66Aee45393cC5A . These addresses are available under the chainlog with strings: MCD_JOIN_PSM_USDC_A MCD_PSM_USDC_A I believe the entry was intentionally left out...
We use the chainlog at `0xdA0Ab1e0017DEbCd72Be8599041a2aa3bA7e740F` to look up tokens by name ([JSON dump](https://chainlog.makerdao.com/api/mainnet/active.json)). The [setChain(string, Chain)](https://github.com/foundry-rs/forge-std/blob/a2edd39db95df7e9dd3f9ef9edc8c55fefddb6df/src/StdChains.sol#L135) is useful if you want to get a chain definition then override one...