79 lines
3.0 KiB
JavaScript
79 lines
3.0 KiB
JavaScript
import {
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NonceTxMiddleware, SignedTxMiddleware, Client,
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Contract, Address, LocalAddress, CryptoUtils, LoomProvider
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} from 'loom-js'
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import Web3 from 'web3'
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import EmbarkJS from 'Embark/EmbarkJS';
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export const createContract = async (tileStateUpdateHandler) => {
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const privateKey = CryptoUtils.generatePrivateKey()
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const publicKey = CryptoUtils.publicKeyFromPrivateKey(privateKey)
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const client = new Client(
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'default',
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'wss://draw.status.im/websocket',
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'wss://draw.status.im/queryws',
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)
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const from = LocalAddress.fromPublicKey(publicKey).toString()
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const web3 = new Web3(new LoomProvider(client, privateKey))
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const ABI = [{"constant":false,"inputs":[{"name":"_tileState","type":"string"}],"name":"SetTileMapState","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"GetTileMapState","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"state","type":"string"}],"name":"OnTileMapStateUpdate","type":"event"}]
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const loomContractAddress = await client.getContractAddressAsync('TilesChain')
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const contractAddress = CryptoUtils.bytesToHexAddr(loomContractAddress.local.bytes)
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const contract = new web3.eth.Contract(ABI, contractAddress, {from})
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contract.events.OnTileMapStateUpdate({}, (err, event) => {
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if (err) return;
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tileStateUpdateHandler(event);
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})
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return contract;
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}
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export default class ContractClient {
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constructor() {}
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async createContract() {
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const privateKey = CryptoUtils.generatePrivateKey()
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const publicKey = CryptoUtils.publicKeyFromPrivateKey(privateKey)
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const client = new Client(
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'default',
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'wss://127.0.0.1:46657/websocket',
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'wss://127.0.0.1:9999/queryws',
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)
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const from = LocalAddress.fromPublicKey(publicKey).toString()
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const web3 = new Web3(new LoomProvider(client, privateKey))
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const ABI = [{"constant":false,"inputs":[{"name":"_tileState","type":"string"}],"name":"SetTileMapState","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"GetTileMapState","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"state","type":"string"}],"name":"OnTileMapStateUpdate","type":"event"}]
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const loomContractAddress = await client.getContractAddressAsync('TilesChain')
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const contractAddress = CryptoUtils.bytesToHexAddr(loomContractAddress.local.bytes)
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this.contract = new web3.eth.Contract(ABI, contractAddress, {from})
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this.contract.events.OnTileMapStateUpdate({}, (err, event) => {
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if (err) return;
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if (this.onEvent) {
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this.onEvent(event)
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}
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})
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return this.contract;
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}
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async setTileMapState(data) {
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await this.contract.methods.SetTileMapState(data).send()
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}
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async getTileMapState() {
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return await this.contract.methods.GetTileMapState().call()
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}
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}
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