Coinselect bae64 bias (#226)

* coinselect: select base64 first

* fix wallet.ts to new state enum

* refactor base64 selection

* check for amount

src/stores/wallet.ts

@@ -12,7 +12,7 @@ import { useSendTokensStore } from "src/stores/sendTokensStore"
 import * as _ from "underscore";
 import token from "src/js/token";
 import { notifyApiError, notifyError, notifySuccess, notifyWarning, notify } from "src/js/notify";
-import { CashuMint, CashuWallet, Proof, MintQuotePayload, CheckStatePayload, MeltQuotePayload, MeltQuoteResponse, generateNewMnemonic, deriveSeedFromMnemonic, AmountPreference, CheckStateEnum, getDecodedToken, Token } from "@cashu/cashu-ts";
+import { CashuMint, CashuWallet, Proof, MintQuotePayload, CheckStatePayload, MeltQuotePayload, MeltQuoteResponse, generateNewMnemonic, deriveSeedFromMnemonic, AmountPreference, CheckStateEnum, getDecodedToken, Token, MeltQuoteState, MintQuoteState } from "@cashu/cashu-ts";
 import { hashToCurve } from '@cashu/crypto/modules/common';
 import * as bolt11Decoder from "light-bolt11-decoder";
 import { bech32 } from "bech32";
@@ -247,13 +247,36 @@ export const useWalletStore = defineStore("wallet", {
 
       return amountsWithCount;
     },
+    coinSelectSpendBase64: function (proofs: WalletProof[], amount: number): WalletProof[] {
+      const base64Proofs = proofs.filter(p => !p.id.startsWith("00"))
+      if (base64Proofs.length > 0) {
+        base64Proofs.sort((a, b) => b.amount - a.amount);
+        let sum = 0;
+        let selectedProofs: WalletProof[] = [];
+        for (let i = 0; i < base64Proofs.length; i++) {
+          const proof = base64Proofs[i];
+          sum += proof.amount;
+          selectedProofs.push(proof);
+          if (sum >= amount) {
+            return selectedProofs;
+          }
+        }
+        return [];
+      }
+      return [];
+    },
     coinSelect: function (proofs: WalletProof[], amount: number) {
-
       if (proofs.reduce((s, t) => (s += t.amount), 0) < amount) {
         // there are not enough proofs to pay the amount
         return [];
       }
 
+      // override: if there are proofs with a base64 id, use them
+      const base64Proofs = this.coinSelectSpendBase64(proofs, amount);
+      if (base64Proofs.length > 0 && base64Proofs.reduce((s, t) => (s += t.amount), 0) >= amount) {
+        return base64Proofs;
+      }
+
       // sort proofs by amount ascending
       proofs = proofs.slice().sort((a, b) => a.amount - b.amount);
       // remember next bigger proof as a fallback
@@ -509,7 +532,7 @@ export const useWalletStore = defineStore("wallet", {
         // first we check if the mint quote is paid
         const mintQuote = await mintStore.activeMint().api.checkMintQuote(hash);
         console.log("### mintQuote", mintQuote);
-        if (!mintQuote.paid) {
+        if (mintQuote.state != MintQuoteState.PAID) {
           console.log("### mintQuote not paid yet");
           if (verbose) {
             notify("Invoice still pending");
@@ -519,7 +542,7 @@ export const useWalletStore = defineStore("wallet", {
         const counter = this.keysetCounter(keysetId)
         const preference = this.outputAmountSelect(amount);
         console.log("### preference", preference);
-        const { proofs } = await this.wallet.mintTokens(amount, hash, { keysetId, counter, amountPreference: preference })
+        const { proofs } = await this.wallet.mintTokens(amount, hash, { keysetId, counter, preference: preference })
         this.increaseKeysetCounter(keysetId, proofs.length);
 
         // const proofs = await this.mintApi(split, hash, verbose);
@@ -859,7 +882,7 @@ export const useWalletStore = defineStore("wallet", {
         // this is an outgoing invoice, we first do a getMintQuote to check if the invoice is paid
         const mintQuote = await mintStore.activeMint().api.checkMeltQuote(quote);
         console.log("### mintQuote", mintQuote);
-        if (!mintQuote.paid) {
+        if (mintQuote.state != MeltQuoteState.PAID) {
           console.log("### mintQuote not paid yet");
           if (invoice.token) {
             const tokenJson = token.decode(invoice.token);