Skip to content

fix: swap output #74

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
matjazonline merged 1 commit into from
Aug 22, 2025
Merged

fix: swap output #74

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 4 additions & 4 deletions src/utils/math.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -271,8 +271,8 @@ export const ensureAmount = (token: TokenWithAmount): void => ensure(

export const getOutputAmount = (token: TokenWithAmount, pool: Pool): number => {
const inputAmount = new BN(assertAmount(token.amount)).multipliedBy(997);
const inputReserves = new BN(pool.reserve1);
const outputReserves = new BN(pool.reserve2);
const inputReserves = new BN(pool.reserve1).div(new BN(10).pow(pool.token1.decimals));
const outputReserves = new BN(pool.reserve2).div(new BN(10).pow(pool.token2.decimals));

const numerator = inputAmount.multipliedBy(outputReserves);
const denominator = inputReserves.multipliedBy(1000).plus(inputAmount);
Expand All @@ -283,8 +283,8 @@ export const getOutputAmount = (token: TokenWithAmount, pool: Pool): number => {
export const getInputAmount = (token: TokenWithAmount, pool: Pool): number => {
const outputAmount = new BN(assertAmount(token.amount));

const inputReserves = new BN(pool.reserve1);
const outputReserves = new BN(pool.reserve2);
const inputReserves = new BN(pool.reserve1).div(new BN(10).pow(pool.token1.decimals));
const outputReserves = new BN(pool.reserve2).div(new BN(10).pow(pool.token2.decimals));

const numerator = inputReserves.multipliedBy(outputAmount).multipliedBy(1000);
const denominator = outputReserves.minus(outputAmount).multipliedBy(997);
Expand Down
Loading