Constant forest_filecoin::utils::proofs_api::paramfetch::IPFS_GATEWAY_ENV

const IPFS_GATEWAY_ENV: &str = "IPFS_GATEWAY";

Running Forest requires the download of chain’s proof parameters which are large files, by default are hosted outside of China and very slow to download there. To get around that, users should set this variable to: https://proof-parameters.s3.cn-south-1.jdcloud-oss.com/ipfs/