scdo-stratum source: scdostratum-main.go goes to cmd/scdostratum/main.go and scdo_export.go to
consensus/ethash/ in core-geth v1.12.23 (commit 96b2afc2). Build:
  CGO_ENABLED=0 go build -trimpath -o scdo-stratum ./cmd/scdostratum
bin/geth(.exe) is core-geth v1.12.23 with the SCDO DAG-cleanup fix (Windows build: CGO-free,
see core-geth-scdo-darwin-nocgo.patch on https://scdoscan.io/downloads/shard0/).
