add placeholders

.eslintignore

@@ -1,4 +1,7 @@
 !.*
 node_modules/*
 /dist
-./readme.md
+./readme.md
+data.js
+genesis.js
+faker.js

src/app.js

@@ -1,15 +1,14 @@
 import lotion from 'lotion';
 import handler from './handler';
-import genesis from './genesis';
+// import genesis from './genesis';
+import data from './data';
 
 class App {
   constructor() {
     this.app = lotion({ 
       devMode: true,
       initialState: {
-        balances: {
-          ...genesis
-        }
+        ...data
       }
     });
     console.log('\x1b[33m[lambocoin]\t initialized...\x1b[0m');

src/faker.js

@@ -0,0 +1,111 @@
+const fs = require('fs');
+
+function uuid() {
+  return 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'.replace(/[xy]/g, c => {
+    const r = Math.random() * 16 | 0;
+    const v = (c === 'x') ? r : (r & 0x3 | 0x8);
+    return v.toString(16);
+  });
+}
+
+// for(let i=0;i<30;i++){
+//   console.log(uuid())
+// }
+
+const users = [
+  '343d8c09edb7d464fa3a8324b46a84eb0234bfe08379367f097f035088723abe0f',
+  'a93ab8c2c047aa78e71bb39ead17b1becb9d6846988f5441644d0afbd0f18d085c',
+  '76f08f620778303ccbf9316a3b346caffb4827694959865b4d43ed694bc5562b2f',
+  '0ceab9e0cdd7f4387ea464370c3412b6c2c399015834caf7b01514efd14e2743f0',
+  'ee63d18fc89a5ca5f3a9eab7cd48b12fa8eeda0d4988874fc3f3932dfb4373477a',
+  '66da64a714bd24720c2d6c7c79a1f3d1db777e4d437d1b2e072e8262865144d914',
+  '7045683a4843a7fdc8a7e47a5a06721ca98833a02a78d7bb4e24fcabf7fb9cd28a',
+  'd363b6351488cdf2050b1b47b49cc5157836fea96ac99359056269eac13f4d5826',
+  '6d6311c8c5c12db0188d77edd0e4ce0261a0ad6cba1b739b05cb307dd4123c4096',
+  '8001f1fd9ea4c165a98f2113512e90e380715e10b2984575305b8b056c3670e6f6',
+  '604dcd9b527659c634bfb3a49e021c375baf7b5f1cb484702be9e01bf67b2458c8',
+  '75134711fe6bfcc9769a90aba3fa542dd815269be8d286beefe1362314464864bd',
+  '923d7b7ae2c785d7de2f22ab1e179488833a76721104161cb5a9467094bab83a2b',
+  'cb42a49cd43832ef9aa0a204911b6bcbc5d8d11dd5b556b688666d9bce131e675f',
+  '70d1216c547baeb2c14ae8a5307e7127c8b17fedd05572af3b5d75504609520cd7',
+  'a6e23cd1afccff851f83254ef42e2336f69a9912671b7112466e3dcd9f90bc0de9',
+  'ae69d495a890174dfb7c891b180e378deb44c94e9d2dde55affcf2ae797d6cafe5',
+  '6e2b64c4014a426954a604e2c6b35b6b635000b181520377b90602a55c84b06d60',
+  '8e6043dead13c1bab3112a436321be5d2267767367d69e677f0e5639358982869c',
+  '136d8b9e0305a0feb0936099ab4aaf8fe400f78335a13878671046323ebef1b139',
+  'c9f889100fb06ed43b3e24f0e935078042d8830a253b52c6a9f8ac2acaaa7ee7ea',
+  '4ce05dcc29c91c0fc363a9de56c3f1019926c16af3dee6e9cf5377737ee9a88015',
+  '680688c697f2dc362829631f69a563c3d258442dc25a3bc97c369422304ccf286f',
+  'c808fc5832afb9775da3e921e75e8c477a24da7e6b425243ca9025a697b0b59a46',
+  'e4b795edb0efb9e1bc1b4a82b61f0e6d8804d3cf0fe1159e3c5f68fb6fb62379a6',
+  '2039287df9227b3b3d9b5babe33f05ed92387f905a54f70accc9a313ad30688edc',
+    '56b1fd2ea8db5d778f001a65bd9a0c4b8d9373dc06afdcaeecd6160cce94378443',
+  '7253de95375855edf4f40a634414493d859ef6bd22283978fce2efdddef7fd157c',
+  '52255e7126d4b05c9e805b0754bde660e02ea5d8421f9099910d0fbe55c6083099',
+  '0af29e45581a05fa9b67935044603a1ac264fcdc93994160450493d31bd1c6b49b',
+  'c62f2c6796169816fbeca925e5f08a6d8e5f378bb7d707911d4370ac31356f2290',
+  '2c5ad83089f67526f19b2f6bd8335b25abfa25ff705d11a69df063cb7011344128',
+  '3437cba093c8f2fca24c11b8083789bd43844c218e855451e1f44f2723437dfcdd',
+  '7ef57c95889f24b8df1ea1cc86f8b3c3cdf13f7fb53e2024a0ca152cceec81be1d',
+  '985123a37951689c62625511a2a76ce486a8fbf8fd7b2a2c1b38459b5ffd9a8d50',
+  '7ab9611f427f1372ddf8febd9e9a5a9ab9485f524e56d91870fd00b8566b1100ea',
+  'c3e663224ff06a2a3252208485c4353b44f2f4e1ef63d9540bbce366ac1a07e1e9',
+  '1ae868a0f322ca12090f92d9610e46772c15c90b1528b3ae6a160375834a7ea1af',
+  'fc0dc9c5e9af82995f7cb0bcf62f1710572c6ecb116aaa3f8c2955fc73780ff1d3',
+  'ed695642b934ba90182a296eb6a6c6c14347e3280694d46b1b87b576111c7f90af',
+  '9c53992ef81796befa3ead80fcfb4294feae6f05f8b1dc60d9586ff1ee8229879f',
+  '8e987187befcc36589148c4b93fa7c5e173539fceb57a2b03d75371df9d96cc4f3',
+  '6d0a8e4ded944b6b00e105b6db8503806335791c93a40c004dd4b0bb8efc1ace07',
+  '25d8f8996a77fa560788b000f7159dffad4a77bf031a99446378cf576f8c344f60',
+  '965ac359fc5509da22cff2dceb058d813bdfc2c62de393ae1a74dc604ef9c84d54',
+  'd369396b71f9c4128d67309ebc8551948381d585a40c0c99c63311b7e02c6e38c6',
+  'd26cfcd909e309d20ee992e6d88601c56ea29999d2eff312727f4a97b70ff49291',
+  '77a7d310e93eea7798cc190efc44fa7653604533142bc04011471e0d153d42ad13',
+  '286fe926ebe52c751274ed3e3d5130183a9466c7dc8d8a7ca0592ad8ec52ceb6ca',
+  'b0201b2e98d3cda4adab7db59dd2b74db153d5fbd88d28dd53cccab33a3544c389',
+  '6139aa6ef43794afa38180bd95b1de4beafd2efa8f9bf0b8b2f5dded28aa01aaeb',
+  '23b72706c69458c2b11117da9577dba395faa179f7f95825551869581960d99b2f',
+  'ed3fd4b9982fd89b660082c6e98a40bd6ab359e3efed2370a5e6bda04c2da39735',
+  '5bcae3abe65a99a9c2e460f2e20ae0db1261a3242aac342f4e17a888ac5c9189e0',
+  'bf7054125c5edef405304fcae329c81013011371ccd9df95454add749b1d3478c9',
+  '9e9578743e468e66c2eaf489000b81ba9a26c62ce40e3aa246c3fb409f3666a1f4',
+  '031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f'
+]
+
+function randomNum(){
+  return Math.floor(Math.random()*users.length)
+}
+
+let state = {
+  balances: {},
+  transactions: []
+};
+
+users.forEach(u=>{
+  state.balances[u] = Math.floor(Math.random()*100*Math.random()*100);
+})
+
+for(let i=0; i<3000;i++){
+  let userOne = users[randomNum()];
+  let userTwo = users[randomNum()];
+  if(userOne !== userTwo){
+    let userOneBalance = state.balances[userOne];
+    let userTwoBalance = state.balances[userTwo];
+    if((userOneBalance<=10)||userTwoBalance<=10) break;
+
+    let amount = Math.random()*(Math.min(userOneBalance, userTwoBalance))/2.4
+    if(amount>userOneBalance) break;
+    userOneBalance-=amount
+    userTwoBalance+=amount
+    state.balances[userOne] = userOneBalance
+    state.balances[userTwo] = userTwoBalance
+    state.transactions.push({
+      timestamp: Date.now() - (Math.floor(Math.random()*i*300)+100),
+      from: userOne,
+      to: userTwo,
+      amount
+    })
+  }
+}
+const output = JSON.stringify(state, 0, 1);
+fs.writeFileSync('./data.js', output)

src/genesis.js

@@ -1,4 +1,3 @@
 export default {
-  "031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f": 20,
-  "72cd6e8422c407fb6d098690f1130b7ded7ec2f7f5e1d30bd9d521f015363793": 20
+  "031b84c5567b126440995d3ed5aaba0565d71e1834604819ff9c17f5e9d5dd078f": 20
 }

src/handler.js

@@ -1,30 +1,35 @@
-import secp256k1 from 'secp256k1';
+// import secp256k1 from 'secp256k1';
 
 export default function handler(state, tx) {  
   let senderAddress = tx.data.from.toString('hex')
   let receiverAddress = tx.data.to.toString('hex')
   let amount = Number(tx.data.amount)
-  console.log(typeof state.balances[senderAddress])
   let senderBalance = state.balances[senderAddress] || 100
-  let receiverBalance = state.balances[rece
-    iverAddress] || 100
+  let receiverBalance = state.balances[receiverAddress] || 100
   if(senderAddress === receiverAddress || tx.data.amount > senderBalance) {
     return
   }
   senderBalance -= amount
   receiverBalance += amount
 
+  state.transactions.push({
+    timestamp: Date.now(),
+    from: senderAddress,
+    to: receiverAddress,
+    amount: amount
+  })
+
   state.balances[senderAddress] = senderBalance
   state.balances[receiverAddress] = receiverBalance
   console.log('after', state)
 }
 
-function hashTx(tx) {
-  // we should do this in the handler, but it's buggy idk why it doesnt' work
-  console.log(secp256k1.verify(hashTx(tx.data), tx.signature, tx.data.from));
-  let txBytes = JSON.stringify(tx);
-  let txHash = createHash('sha256')
-      .update(txBytes)
-      .digest();
-  return txHash;
-}
+// function hashTx(tx) {
+//   // we should do this in the handler, but it's buggy idk why it doesnt' work
+//   console.log(secp256k1.verify(hashTx(tx.data), tx.signature, tx.data.from));
+//   let txBytes = JSON.stringify(tx);
+//   let txHash = createHash('sha256')
+//       .update(txBytes)
+//       .digest();
+//   return txHash;
+// }