Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | 1x 1x 1x | const PieMessage = {}; const BCMEndpoint = 'https://www.piesocket.com/api/blockchain/payloadHash'; const PieMessageAddressDev = '0x2321c321828946153a845e69ee168f413e85c90d'; const PieMessageAddressProd = '0x2a840CA40E082DbF24610B62a978900BfCaB23D3'; export default class Blockchain { constructor(options) { this.options = options; this.apiKey = this.options.apiKey; this.channel = this.options.channelId; this.blockchainTestMode = this.options.blockchainTestMode; this.blockchainGasFee = this.options.blockchainGasFee; if (this.blockchainTestMode) { this.contractAddress = PieMessageAddressDev; } else { this.contractAddress = PieMessageAddressProd; } } async init() { const w3 = new Web3(window.ethereum); const accounts = await ethereum.request({method: 'eth_requestAccounts'}); this.account = accounts[0]; this.contract = new w3.eth.Contract(PieMessage.abi, this.contractAddress); } checkWeb3() { if (typeof Web3 == 'undefined') { console.log('Web3.js is not installed!'); return false; } if (typeof window.ethereum == 'undefined') { console.log('MetaMask is not installed!'); return false; } return true; } async confirm(hash) { return new Promise(async (resolve, reject) => { if (this.checkWeb3()) { if (!this.contract) { await this.init(); } const receipt = this.contract.methods.confirm(hash).send({from: this.account, gas: this.blockchainGasFee}); receipt.on('transactionHash', resolve); receipt.on('error', (error) => { reject(error); }); } }); } async send(message) { return new Promise(async (resolve, reject) => { if (this.checkWeb3()) { if (!this.contract) { await this.init(); } const bacmHash = await this.getTransactionHash(message); const receipt = this.contract.methods.send(bacmHash.payload).send({from: this.account, gas: this.blockchainGasFee}); receipt.on('transactionHash', (hash) => { resolve({ hash: hash, id: bacmHash.transaction_id, }); }); receipt.on('error', (error) => { reject(error); }); } else { if (typeof Web3 == 'undefined') { reject('Please install Web3.js'); } else { reject('Please install MetaMask'); } } }); } async getTransactionHash(message) { return new Promise((resolve, reject) => { const data = new FormData(); data.append('apiKey', this.apiKey); data.append('channel', this.channel); data.append('message', JSON.stringify(message)); data.append('contract', this.contractAddress); const xhr = new XMLHttpRequest(); xhr.addEventListener('readystatechange', function() { if (this.readyState === 4) { try { const response = JSON.parse(this.responseText); if (response.errors) { console.error(`PieSocket Error: ${JSON.stringify(response.errors)}`); reject(); } if (response.success) { resolve(response.success); } else { reject('Unknown error'); } } catch (e) { console.error('Could not connect to Blockchain Messaging API, try later'); reject(); } } }); xhr.addEventListener('error', () => { console.error('Blockchain Messaging API seems unreachable at the moment, try later'); reject(); }); xhr.open('POST', BCMEndpoint); xhr.setRequestHeader('Accept', 'application/json'); xhr.send(data); }); } } |