Gas Station
The DAPP validate ECDSA (EVM) public keys over REST and store them in an array (whitelist).
The DAPP holds it’s own ECDSA private key to sign EVM transactions.
The DAPP polls the FTM gas sender tracker https://ftmscan.com/gastracker#gassender once every minute and persist the Fast Gas value.
The DAPP continuously rpc scans all its received public keys on the fantom opera testnet network.
The DAPP instantly sends FTM amounting to the exact Fast Gas price to all the Public Keys which do not yet have a transaction record.
The DAPP shows the difference between available FTM and current Fast Gas to all the Public Keys which do have a transaction record.