Fixed build

jscriptcoder · jscriptcoder · commit b6a26721f1bc · 2023-01-23T10:59:39.000+01:00
diff --git a/utils/LotteryContract.ts b/utils/LotteryContract.ts
@@ -0,0 +1,102 @@
+import Web3 from 'web3'
+import { EventData } from 'web3-eth-contract'
+import lotteryConfig from '../build/contracts/Lottery.json'
+import emitter from './emitter'
+
+type NetworkSettings = Record<string, { address: string }>
+
+const projectUrl = process.env['NEXT_PUBLIC_PROJECT_URL']
+const networkId = process.env['NEXT_PUBLIC_NETWORK_ID']
+
+const networkSettings = lotteryConfig.networks as NetworkSettings
+
+const CONTRACT_ABI = lotteryConfig.abi as unknown as AbiItem
+const CONTRACT_ADDRESS = networkSettings[networkId ?? 5777].address
+
+export const web3 = new Web3(Web3.givenProvider ?? projectUrl)
+
+export const lotteryContract = new web3.eth.Contract(
+  CONTRACT_ABI,
+  CONTRACT_ADDRESS,
+)
+
+lotteryContract.events.WinnerPicked((error: Error, event: EventData) => {
+  if (error) {
+    emitter.emit('error-picking-winner', error)
+  } else {
+    emitter.emit('winner-picked', event)
+  }
+})
+
+export function getContractAddress(): string {
+  return CONTRACT_ADDRESS
+}
+
+export async function requestAccounts(): Promise<string[]> {
+  return web3.eth.requestAccounts()
+}
+
+export async function getBalance(address: string): Promise<string> {
+  const balanceWei = await web3.eth.getBalance(address)
+  return web3.utils.fromWei(balanceWei)
+}
+
+export async function getContractBalance(): Promise<string> {
+  return getBalance(CONTRACT_ADDRESS)
+}
+
+export async function getContractOwner(): Promise<string> {
+  return lotteryContract.methods.owner().call()
+}
+
+export async function enterLottery(
+  from: string,
+  ether: string,
+): Promise<string> {
+  return lotteryContract.methods.enter().send({
+    from,
+    value: web3.utils.toWei(ether),
+  })
+}
+
+export async function getPlayers(from: string): Promise<string[]> {
+  if (from) {
+    return lotteryContract.methods.getPlayers().call({ from })
+  }
+
+  return []
+}
+
+export async function numPlayers(from: string): Promise<number> {
+  const players = await getPlayers(from)
+  return players.length
+}
+
+export async function pickWinner(from: string): Promise<void> {
+  if (from) {
+    return lotteryContract.methods.pickWinner().send({ from })
+  }
+}
+
+export async function getContractDetails(address: string) {
+  const [balance, players, owner, contractBalance] = await Promise.all([
+    getBalance(address),
+    getPlayers(address),
+    getContractOwner(),
+    getContractBalance(),
+  ])
+
+  const participants = players.length
+  const hasEntered = players.includes(address)
+  const isManager = owner === address
+
+  return {
+    owner,
+    players,
+    balance,
+    isManager,
+    hasEntered,
+    participants,
+    contractBalance,
+  }
+}
