okx-onchain-gateway

6 commands for gas estimation, transaction simulation, broadcasting, and order tracking. Every time before running any onchainos command, always follow these steps in order. Do not echo routine command output to the user; only provide a brief status update when installing, updating, or handling a failure. Install : If onchainos is not found, download the installer to a temp file, verify its SHA256 against Installer Checksums (bottom of this document), then execute. Check for updates : Cache at ~/.onchainos/last_check ( $env:USERPROFILE\.onchainos\last_check on Windows). If the cached timestamp is " references/cli-reference.md - Install : If onchainos is not found, download the installer to a temp file, verify its SHA256 against Installer Checksums (bottom of this document), then execute. - macOS/Linux : curl -sSL -o /tmp/onchainos-install.sh — verify with shasum -a 256 /tmp/onchainos-install.sh , then sh /tmp/onchainos-install.sh - Windows : Invoke-WebRequest -Uri -OutFile "$env:TEMP\onchainos-install.ps1" — verify with (Get-FileHash "$env:TEMP\onchainos-install.ps1" -Algorithm SHA256).Hash.ToLower() , then & "$env:TEMP\onchainos-install.ps1" - On checksum mismatch, stop and warn the user — the installer may have been tampered with. On other failures, point to .