HostLayer

import math

class HostLayer:
    def __init__(self, alpha_0=0.007297, h_0=6.626e-34, G_0=6.674e-11, max_capacity=1e15):
        self.alpha_0 = alpha_0
        self.h_0 = h_0
        self.G_0 = G_0
        self.max_capacity = max_capacity
        self.v_log = 1.0
        self.nu_max = 3e18

    def append_registry(self, transaction_count):
        if transaction_count <= 0:
            return
        self.v_log += float(transaction_count)

    def get_runtime_constants(self):
        load_factor = self.v_log / self.max_capacity
        if load_factor > 1.0:
            load_factor = 1.0

        if self.v_log <= 1.0:
            c = self.nu_max
        else:
            c = self.nu_max / (1.0 + self.alpha_0 * math.log(self.v_log))

        h = self.h_0 * (1.0 + 0.05 * load_factor)
        G = self.G_0 * (1.0 + 0.1 * load_factor)

        if c <= 0:
            ell_p = float('inf')
        else:
            ell_p = math.sqrt((h * G) / math.pow(c, 3))

        return {
            "v_log": self.v_log,
            "load_factor": load_factor,
            "c": c,
            "h": h,
            "G": G,
            "ell_p": ell_p
        }