IoT-Based Autonomous Pay-As-You-Go Payment System with the Contract Wallet

<table class="algorithm-group"><tr><td><table class="algorithm" id="alg3"><tr><td colspan="2"> Input: usage amount</td></tr><tr><td colspan="2"> Output: none</td></tr><tr><td>(1)</td><td>if a transaction issuer in the IoT registration list then</td></tr><tr><td>(2)</td><td>Run the function Calculation in the control contract tied to the issuer EOA</td></tr><tr><td>(3)</td><td>if determine if the value obtained by function Calculation is greater than the value of deposit then</td></tr><tr><td>(4)</td><td> Transfer assets for the value obtained from the calculation to the company EOA, which is linked to the issuer EOA</td></tr><tr><td>(5)</td><td> Emit the event</td></tr><tr><td>(6)</td><td>else</td></tr><tr><td>(7)</td><td> Run the function Operation in the control contract</td></tr><tr><td>(8)</td><td>end if</td></tr><tr><td>(9)</td><td> Error handling</td></tr><tr><td>(10)</td><td>end if</td></tr></table></td></tr></table>

Security and Communication Networks

alg3

Algorithm 3

Algorithm 3: IoT-Based Autonomous Pay-As-You-Go Payment System with the Contract Wallet 