save ecash id

2 files changed, 54 insertions, 31 deletions

diff --git a/lib/ecash.ts b/lib/ecash.ts
index 8f91e70c..d9d6728e 100644
--- a/lib/ecash.ts
+++ b/lib/ecash.ts
@@ -1,67 +1,92 @@
 import config from "$config";
+import { g, s } from "$lib/db";
+import { lnb } from "$lib/ln";
+import { fail, wait } from "$lib/utils";
 import {
   CashuMint,
   CashuWallet,
+  MintQuoteState,
   getDecodedToken,
   getEncodedToken,
   getEncodedTokenV4,
 } from "@cashu/cashu-ts";
-import { g, s } from "$lib/db";
-import { fail } from "$lib/utils";
 
-let m = new CashuMint(config.mintUrl);
-let w = new CashuWallet(m);
+const m = new CashuMint(config.mintUrl);
+const w = new CashuWallet(m);
 
-let enc = (proofs, v = 4) =>
+const enc = (proofs, v = 4) =>
   (v === 4 ? getEncodedTokenV4 : getEncodedToken)({
     token: [{ mint: config.mintUrl, proofs }],
   });
 
-let dec = (token) => getDecodedToken(token).token[0];
+const dec = (token) => getDecodedToken(token).token[0];
 
-let ext = async (mint) => {
-  let issuer = new CashuMint(mint);
-  let { pubkey: issuerPk } = await issuer.getInfo();
-  let { pubkey: ourPk } = await m.getInfo();
+const ext = async (mint) => {
+  const issuer = new CashuMint(mint);
+  const { pubkey: issuerPk } = await issuer.getInfo();
+  const { pubkey: ourPk } = await m.getInfo();
   return issuerPk !== ourPk;
 };
 
 export async function get(id, v = 4) {
-  let token = await g(`cash:${id}`);
+  const token = await g(`cash:${id}`);
   if (v < 4) return enc(dec(token).proofs, 3);
   return token;
 }
 
 export async function claim(token) {
-  let { proofs: current } = dec(await g(`cash`));
-  let { mint } = dec(token);
+  const { proofs: current } = dec(await g("cash"));
+  const { mint } = dec(token);
 
   if (await ext(mint)) fail("Unable to receive from other mints");
 
-  let rcvd = await w.receive(token);
+  const rcvd = await w.receive(token);
 
-  await s(`cash`, enc([...current, ...rcvd]));
+  await s("cash", enc([...current, ...rcvd]));
   return rcvd.reduce((a, b) => a + b.amount, 0);
 }
 
 export async function mint(amount, v = 4) {
-  let { proofs } = dec(await g(`cash`));
-  let { send, returnChange } = await w.send(amount, proofs);
-  let rcvd = await w.receive(enc(send, v));
-  let change = enc(returnChange, v);
-  await s(`cash`, change);
+  const { proofs } = dec(await g("cash"));
+  const { send, returnChange } = await w.send(amount, proofs);
+  const rcvd = await w.receive(enc(send, v));
+  const change = enc(returnChange, v);
+  await s("cash", change);
   return enc(rcvd, v);
 }
 
 export async function check(token) {
-  let o = dec(token);
-  let { mint, proofs } = o;
-  let total = proofs.reduce((a, b) => a + b.amount, 0);
+  const o = dec(token);
+  const { mint, proofs } = o;
+  const total = proofs.reduce((a, b) => a + b.amount, 0);
 
-  let external = await ext(mint);
+  const external = await ext(mint);
 
-  let r = await w.checkProofsSpent(proofs);
-  let spent = r.reduce((a, b) => a + b.amount, 0);
+  const r = await w.checkProofsSpent(proofs);
+  const spent = r.reduce((a, b) => a + b.amount, 0);
 
   return { total, spent, mint, external };
 }
+
+export async function init(amount = 10000) {
+  try {
+    await new Promise((r) => setTimeout(r, 2000));
+    const { quote, request } = await w.createMintQuote(amount);
+    await lnb.pay(request);
+
+    await wait(async () => {
+      const { state } = await w.checkMintQuote(quote);
+      return state === MintQuoteState.PAID;
+    });
+
+    const { proofs } = await w.mintTokens(amount, quote);
+
+    const cash = getEncodedTokenV4({
+      token: [{ mint: config.mintUrl, proofs }],
+    });
+
+    await s("cash", cash);
+  } catch (e) {
+    console.log(e);
+  }
+}
diff --git a/lib/ln.ts b/lib/ln.ts
index c4445b26..fcc6adce 100644
--- a/lib/ln.ts
+++ b/lib/ln.ts
@@ -1,7 +1,5 @@
 import config from "$config";
-let ln;
 
-let { LightningClient } = (await import("clightning-client")).default;
-ln = new LightningClient(config.lightning);
-
-export default ln;
+const { LightningClient } = (await import("clightning-client")).default;
+export default new LightningClient(config.lightning);
+export const lnb = new LightningClient(config.lightningb);