banano-client-side.md

client side bananojs

Client side bananojs currently uses a field on the window object to store it's code.

This will be updated to use a modular include sometime soon (TM).

For now here's how to get started:

1. include bananojs in the web page

   <script src="../dist/bananocoin-bananojs.js"></script>

2. generate a seed

function uint8_to_hex(uint8) {
 let hex_string = "";
 for (let i=0; i < uint8.length; i++) {
   let hex = uint8[i].toString(16);
   if (hex.length === 1) {
       hex = "0" + hex;
   }
   hex_string += hex;
 }
   return hex_string.toUpperCase();
 }
const getRandomHex32 = () => {
     const array = new Uint32Array(8);
     window.crypto.getRandomValues(array);
     const hex = uint8_to_hex(array);
     return hex;
   };

   window.localStorage.seed = getRandomHex32();

3. look for account balances (will give an error in an unopened account)

 const getAccountInfo = async (ix) => {
   const url = 'https://kaliumapi.appditto.com/api';
   const seed = window.localStorage.seed;
   const privateKey = await window.bananocoinBananojs.getPrivateKey(seed, 0);
   const publicKey = await window.bananocoinBananojs.getPublicKey(
     privateKey
   );
   const account = window.bananocoinBananojs.getBananoAccount(publicKey);
   window.bananocoinBananojs.setBananodeApiUrl(url);
   const accountInfo = await window.bananocoinBananojs.getAccountInfo(
     account,
     true
   );
   return accountInfo;
 };

4. receive pending deposits

   const receiveBananoDeposits = async () => {
     const seed = window.localStorage.seed;
     const privateKey = await window.bananocoinBananojs.getPrivateKey(seed, 0);
     const publicKey = await window.bananocoinBananojs.getPublicKey(
       privateKey
     );
     const account = window.bananocoinBananojs.getBananoAccount(publicKey);
     return await window.bananocoinBananojs.receiveBananoDepositsForSeed(
       seed,
       0,
       account
     );
   };

5. withdraw banano.

  const withdrawBanano = async (withdrawAccount, withdrawAmount) => {
    const seed = window.localStorage.seed;
    return await window.bananocoinBananojs.sendBananoWithdrawalFromSeed(
      seed,
      0,
      withdrawAccount,
      withdrawAmount
    );
  };