// calculate balances after inflation, returns total doled coins
function calcInflation(accountObjects, accNum, pool_fee, total_coins){
for(var n=0; n<accNum; n++)
accountObjects[n].votes = 0;
for ( var n = 0; n < accNum; n++ )
{
accountObjects[accountObjects[n].voteForIndex].votes += parseInt( bigint.bigInt2str( accountObjects[n].targetBalance, 10 ) );
}
var winningAccountsNum = 0;
var winningAccounts = [];
var minVotes = INFLATION_WIN_MIN_VOTES*DUST_MULTIPLIER;
var sortedAccounts = accountObjects.slice().sort( function(a,b){return b.votes - a.votes} );
for(var n=0; n<accNum && winningAccountsNum<INFLATION_NUM_WINNERS; n++){
if( sortedAccounts[n].votes > minVotes ) {
winningAccounts[winningAccountsNum++] = sortedAccounts[n];
}
else
break;
}
//no account over min threshold
if(winningAccountsNum == 0)
for(var n=0; n<accNum && winningAccountsNum<INFLATION_NUM_WINNERS; n++){
winningAccounts[winningAccountsNum++] = sortedAccounts[n];
}
//console.log("winning accounts: "+winningAccountsNum);
var winBasis = 0;
for(var n=0; n<winningAccountsNum; n++){
winBasis += winningAccounts[n].votes;
}
var bnWinBasis = bigint.str2bigInt(winBasis.toString(), 10);
//var totalFees = tx_fee*accNum*2;
var coinsToDole = ( DUST_MULTIPLIER * total_coins - pool_fee ) * INFLATION_RATE;
var prizePool = bigint.str2bigInt( Math.floor( coinsToDole + pool_fee ).toString(), 10 );
var totalDoledCoins = bigint.int2bigInt(0, INT_SIZE_BITS, 0);
//console.log( " total_coins: " + total_coins + " poolFee:" + pool_fee + " toDole:" + Math.floor( coinsToDole + pool_fee ).toString() );
for(var n=0; n<winningAccountsNum; n++){
var votes = bigint.str2bigInt( winningAccounts[n].votes.toString(), 10 );
var prod = bigint.mult( votes, prizePool);
var res = bigint.dup(prod);
var reminder = bigint.dup(prod);
bigint.divide_( prod , bnWinBasis, res, reminder);
winningAccounts[n].targetBalance = bigint.add(winningAccounts[n].targetBalance, res);
totalDoledCoins = bigint.add(totalDoledCoins, res);
}
return parseInt( bigint.bigInt2str(totalDoledCoins,10) )/DUST_MULTIPLIER;
}
Problem20.prototype.factorial = function (n) {
var bn = BigInt.int2bigInt(n, 0, 0);
var result = BigInt.int2bigInt(1,0,0);
if ( BigInt.equalsInt(bn, 1) ) {
return BigInt.int2bigInt(1,0,0);
}
else {
while ( n != 1 )
{
result = BigInt.mult(result, bn);
n--;
bn=BigInt.int2bigInt(n,0,0);
}
}
return result;
}
// make initial test accounts, calculate first inflation
function makeTestAccounts(accNum, accBalanceFun, accVoteFun, tx_fee){
var accountObjects=[];
for(var n=0; n<accNum; n++)
{
var bnBalance = bigint.int2bigInt(accBalanceFun(n), INT_SIZE_BITS, 0);
bnBalance = bigint.mult(bnBalance, bigint.int2bigInt(DUST_MULTIPLIER, INT_SIZE_BITS, 0));
var bnTargetBalance = bigint.sub(bnBalance,bigint.int2bigInt(tx_fee, INT_SIZE_BITS, 0));
accountObjects[n]={ name:''+n, targetBalance: bnTargetBalance , voteFor:''+accVoteFun(n)};
accountObjects[n].balance=''+bigint.bigInt2str(bnBalance,10);
//accountObjects[n].balanceInt=parseInt(accountObjects[n].balance);
accountObjects[n].votes = 0;
}
var totalFees = tx_fee*accNum*2;
var doledCoins = calcInflation(accountObjects, accNum, totalFees, TOTAL_COINS);
var newTotalCoins = TOTAL_COINS + doledCoins - totalFees/DUST_MULTIPLIER;
return {accountObjects:accountObjects, totalCoins: newTotalCoins};
};