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//sam Stafford Bitcoin Mining Calculator
#include <iostream>
#include <string>
using namespace std;
//functions
float block_reward(float);
float currency_day(float,float,float);// finds amount of bitcoins and dollars made per day.
float electricity_cost(float,float,float);
float total_profit(float,float,float,float);
string show(int);
// calculated variables
float totalprofit;
float coinsperblock;
float coinsperday;
float dollarsperday;
float electricitycost;
float totalgains;
float totallosses;
//input variables
float difficulty;
float total_blocks;
float market_price;
float hardware_cost;
float power_usage;
float electricity;
float mining_speed;
float time;
int enthusiasm;
int main(){
cout.setf(ios::fixed);
cout.setf(ios::showpoint);
cout.precision(2);
cout<<"This application can be used to determine whether bitcoin mining is viable over a certain length of time.Enter the values as prompted."<<endl;
cout<<endl;
cout<<"What is the current bitcoin mining difficulty?\nThis can be found at: http://blockchain.info/blocks" <<endl;
cin>> difficulty;
cout<<endl;
cout<<"What is the current number of total blocks mined by the community?\nThis can be found at:http://blockchain.info/blocks" <<endl;
cin>> total_blocks;
cout<<endl;
cout<<"What is the current Market Price for Bitcoins?\nCan be found at:http://blockchain.info/blocks" <<endl;
cin>>market_price;
cout<<endl;
cout<<"What was the cost of Hardware in your mining rig? " <<endl;
cin>> hardware_cost;
cout<<endl;
cout<<"What is the Power Usage on your machine?\nCheck PSU wattage." <<endl;
cin>>power_usage;
cout<<endl;
cout<<"What is your cost of electricity at your current residency?\nIn United States it is typically .11 USD/kWh" <<endl;
cin>> electricity;
cout<<endl;
cout<<"What is your current mining speed in Mhash/s?\nThis can be found: https://en.bitcoin.it/wiki/Mining_hardware_comparison" <<endl;
cin>> mining_speed;
cout<<endl;
cout<<"How long do you plan on running your rig in time days?" <<endl;
cin>> time;
cout<<endl;
block_reward(total_blocks);
currency_day (coinsperblock,mining_speed,market_price);
electricity_cost(electricity, power_usage,time);
total_profit(dollarsperday,electricitycost,hardware_cost,time);
cout<<" "<<endl;
cout<<"Profits: "<<endl;
cout<<"Total Gains"<<"\t"<<"Total Losses"<<"\t"<<"Total Profit" <<endl;
cout<<totalgains<<"\t\t"<<totallosses<<"\t\t"<<totalprofit<<endl;
cout<<endl;
cout<<"Additional Information: "<<endl;
cout <<"Time (days)"<<"\tDollars/day"<<"\tCoins/day"<<"\tHardware Cost"<<"\tElectricity Cost"<<endl;
cout << time << "\t\t"<<dollarsperday <<"\t\t"<< coinsperday <<"\t\t"<<hardware_cost<<"\t\t"<<electricitycost<<endl;
cout<<" "<<endl;
cout<<"On a scale from 1 to 5, how much effort, enthusiasm and hardwork do you plan on investing?"<<endl;
cout<<"(One being the lowest, five being the highest)"<<endl;
cin>>enthusiasm;
cout<< show(enthusiasm);
}
float block_reward(float total_blocks){ // changed this just to what divide coins perday by.
float i;
for(i=0;105,000>!total_blocks<!210000;i++){
total_blocks/2;
i++;
}
if (i!=0){
coinsperblock= 50/(2*i);
}
else{
coinsperblock=50;
return coinsperblock;
}
}
float currency_day(float coinsperblock,float mining_speed,float marketprice){
coinsperday = (20.1162*mining_speed*coinsperblock)/difficulty;
dollarsperday = coinsperday*market_price;
return coinsperday, dollarsperday;
}
float electricity_cost(float electricity,float power_usage,float time){
float costperhour;
costperhour = electricity*(power_usage/1000);
electricitycost = costperhour*24*time;
return electricitycost;
}
float total_profit(float dollarsperday,float electricitycost, float hardware_cost,float time){
totalgains=(dollarsperday*time);
totallosses=(electricitycost+hardware_cost);
totalprofit= totalgains-totallosses;
return totalgains,totallosses,totalprofit;
}
string show(int enthusiasm){
switch(enthusiasm)
{
case 1:
{
return "It would be best if you gave up now.\n";
break;
}
case 2:
{
return "You won't make any money with that spirit.\n";
break;
}
case 3:
{
return "You have a shot to make some cash.\n";
break;
}
case 4:
{
return "With confidence like that, you should have a steady income in no time.\n";
break;
}
case 5:
{
return "Looks like you are ready to make the big bucks!\n";
break;
}
}
}
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