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This commit is contained in:
Parsa Yazdani 2024-07-04 21:16:22 +10:00
parent 99ee5182ac
commit ac646be4e3
1 changed files with 8 additions and 8 deletions
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16
Server/src/server.ts
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@ -7,8 +7,8 @@ const port = 3000
const fee = 0.05 // 0.01 = 1%
const initialLiquidity = 1000 // Initial liquidity for the market
interface UserBalances { [key: number]: number }
interface TeamFunds { [team: number]: number }
interface Balances { [key: number]: number }
interface Bet {
userId: number
team: number
@ -16,21 +16,21 @@ interface Bet {
odds: number[]
}
const userBalances: UserBalances = { 1: 1000, 2: 1000, 3: 1000, 4: 1000 }
let teamFunds: TeamFunds = { 0: initialLiquidity, 1: initialLiquidity } // Initial funds for each team
const userBalances: Balances = { 1: 1000, 2: 1000, 3: 1000, 4: 1000 }
let teamFunds: Balances = { 0: initialLiquidity, 1: initialLiquidity } // Initial funds for each team
const bets: Bet[] = []
function calculateTotalFunds (funds: TeamFunds): number {
function calculateTotalFunds (funds: Balances): number {
return Object.values(funds).reduce((acc: number, val: number) => acc + val, 0)
}
function calculateOdds (funds: TeamFunds): number[] {
function calculateOdds (funds: Balances): number[] {
const totalFunds = calculateTotalFunds(funds)
const exps = Object.values(funds).map(fund => Math.exp(fund / totalFunds))
return exps
}
function calculateCost (funds: TeamFunds): number {
function calculateCost (funds: Balances): number {
const totalFunds = calculateTotalFunds(funds)
const exps = Object.values(funds).map(fund => Math.exp(fund / totalFunds))
const sumExp = exps.reduce((acc: number, val: number) => acc + val, 0)
@ -40,7 +40,7 @@ function calculateCost (funds: TeamFunds): number {
return result
}
function placeBet (userBalances: UserBalances, funds: TeamFunds, userId: number, team: number, cashAmount: number): TeamFunds {
function placeBet (userBalances: Balances, funds: Balances, userId: number, team: number, cashAmount: number): Balances {
const initialCost = calculateCost(funds)
if (cashAmount === undefined || cashAmount === null || cashAmount <= 0) {