Preços

// Calcula tokens recebidos para uma dada quantidade de ETH
function calculateTokensReceived(
  ethAmount: number,
  currentRaised: number,
  targetEth: number,
  totalSupply: number,
  aggressiveness: number
): number {
  const exponent = 1 / (1 + aggressiveness / 100);
  
  // Calcula fornecimento na quantia atual arrecadada
  const currentSupply = totalSupply * 
    Math.pow(currentRaised / targetEth, exponent);
  
  // Calcula fornecimento após compra
  const newRaised = currentRaised + ethAmount;
  const newSupply = totalSupply * 
    Math.pow(newRaised / targetEth, exponent);
  
  // Tokens recebidos = diferença no fornecimento
  return newSupply - currentSupply;
}

// Exemplo de uso
const tokens = calculateTokensReceived(
  1,        // Compra de 1 ETH
  5,        // 5 ETH já arrecadados
  10,       // Meta de 10 ETH
  1000000,  // Fornecimento total de 1M
  50        // 50% de agressividade
);
console.log(`Você receberá ${tokens.toFixed(0)} tokens`);

// Calcula o ETH recebido por vender tokens
function calculateEthReceived(
  tokenAmount: number,
  currentSupply: number,
  currentRaised: number,
  targetEth: number,
  totalSupply: number,
  aggressiveness: number
): number {
  const exponent = 1 / (1 + aggressiveness / 100);
  
  // Calcula novo fornecimento após venda
  const newSupply = currentSupply - tokenAmount;
  
  // Calcula a quantia correspondente arrecadada
  const supplyRatio = newSupply / totalSupply;
  const newRaised = targetEth * 
    Math.pow(supplyRatio, 1 / exponent);
  
  // ETH recebido (antes das taxas)
  const ethBeforeFees = currentRaised - newRaised;
  
  // Aplica taxa de 5%
  return ethBeforeFees * 0.95;
}