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Add ability for custom swap API endpoints #2

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Add ability for custom swap API endpoints
zer0cache May 10, 2024
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Readme update
zer0cache May 10, 2024
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3 changes: 3 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,3 +33,6 @@ Open `localhost:3000` in your browser. The swap is at `localhost:3000/swap`

### API Implementation
The API implementation is at [create-solana-dapp/web/app/swap/page.tsx](https://github.com/AlmostEfficient/jupiter-swap/blob/main/create-solana-dapp/web/app/swap/page.tsx). It's configured to only have 4 assets - USDC, SOL, BONK, WIF. You'll need to add your own token mint addresses, or you can use the [token list API](https://station.jup.ag/docs/token-list/token-list-api) for validated tokens.

### Using custom Swap API endpoints
You can get Swap API urls from [Jupiter Station](https://station.jup.ag/docs/apis/swap-api), [QuickNode](https://marketplace.quicknode.com/add-on/metis-jupiter-v6-swap-api) or [JupiterAPI.com](https://www.jupiterapi.com/). You can easily update the Swap API for the endpoints at [create-solana-dapp/web/app/swap/page.tsx](https://github.com/AlmostEfficient/jupiter-swap/blob/main/create-solana-dapp/web/app/swap/page.tsx) and [create-solana-dapp/web/app/api/swap/route.ts](https://github.com/AlmostEfficient/jupiter-swap/blob/main/create-solana-dapp/web/app/api/swap/route.ts).
2 changes: 1 addition & 1 deletion create-solana-dapp/web/app/api/swap/route.ts
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Expand Up @@ -9,7 +9,7 @@ export async function POST(request: Request) {
console.log('Request to swap from', userPublicKey)

try {
const swapTxResponse = await fetch('https://quote-api.jup.ag/v6/swap', {
const swapTxResponse = await fetch('https://public.jupiterapi.com/swap', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
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4 changes: 2 additions & 2 deletions create-solana-dapp/web/app/swap/page.tsx
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Expand Up @@ -77,7 +77,7 @@ export default function Swap() {

const quote = await (
await fetch(
`https://quote-api.jup.ag/v6/quote?inputMint=${fromAsset.mint}&outputMint=${toAsset.mint}&amount=${currentAmount * Math.pow(10, fromAsset.decimals)}&slippage=0.5`
`https://public.jupiterapi.com/quote?inputMint=${fromAsset.mint}&outputMint=${toAsset.mint}&amount=${currentAmount * Math.pow(10, fromAsset.decimals)}&slippage=0.5`
)
).json();

Expand All @@ -100,7 +100,7 @@ export default function Swap() {

// get serialized transactions for the swap
const { swapTransaction } = await (
await fetch('https://quote-api.jup.ag/v6/swap', {
await fetch('https://public.jupiterapi.com/swap', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
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