add example (#159)

* add example

* fix example

ts-client/src/examples/get_claimable_fee.ts

@@ -0,0 +1,24 @@
+import { Connection, PublicKey, Keypair } from '@solana/web3.js';
+import { Wallet, AnchorProvider } from '@coral-xyz/anchor';
+import AmmImpl from '../amm';
+
+const mainnetConnection = new Connection('https://api.mainnet-beta.solana.com');
+const provider = new AnchorProvider(mainnetConnection, new Wallet(Keypair.generate()), {
+    commitment: 'confirmed',
+});
+
+async function getClaimableFee(poolAddress: PublicKey, owner: PublicKey) {
+    const pool = await AmmImpl.create(provider.connection, poolAddress);
+    let result = await pool.getUserLockEscrow(owner);
+    console.log('unClaimed: %s', result?.fee.unClaimed.lp?.toString());
+    console.log(result)
+}
+
+async function main() {
+    // mainnet-beta, SOL-USDC
+    const poolAddress = 'FRd5CJfLU2TDAUK2m3onvwqXs5md3y96Ad1RUMB5fyii';
+    const owner = '3CCocQighVbWdoav1Fhp6t2K6v7kWtUEd6Sp59UU77Vt';
+    await getClaimableFee(new PublicKey(poolAddress), new PublicKey(owner));
+}
+
+main();