ownerKey.privateKey
provider = new ethers.providers.JsonRpcProvider(`${baseUrl}/rpc/v0?token=${token}`)
deployer = new ethers.Wallet(ownerKey.privateKey, provider)
skypack = (library) => import(`https://cdn.skypack.dev/${library}?min`)
LotusRPC = (await import('@filecoin-shipyard/lotus-client-rpc')).LotusRPC
BrowserProvider = (await import('@filecoin-shipyard/lotus-client-provider-browser')).BrowserProvider
schema = (await import('@filecoin-shipyard/lotus-client-schema')).mainnet.fullNode
stripAnsi = (await import('https://unpkg.com/strip-ansi@7.0.1/index.js?module')).default
cbor = import('https://cdn.skypack.dev/borc')
multiformats = import('https://cdn.skypack.dev/pin/multiformats@v9.6.5-93rn6JH3zqEZdoz77NBu/mode=imports,min/optimized/multiformats.js')
import {button} from '@jimpick/download-data-button-with-wasm-support'
buffer = require('https://bundle.run/buffer@6.0.3')
filecoinJsSigner = import('https://jspm.dev/@blitslabs/filecoin-js-signer')
filecoinJs = (await import('https://jspm.dev/filecoin.js')).default
FilecoinClient = filecoinJsSigner.FilecoinClient
FilecoinSigner = filecoinJsSigner.FilecoinSigner
filecoin_signer = new FilecoinSigner()
filecoinNumber = import('https://cdn.skypack.dev/pin/@glif/filecoin-number@v2.0.0-beta.0-iQnBkhznGjB3HsyiyYB8/mode=imports,min/optimized/@glif/filecoin-number.js')
FilecoinNumber = filecoinNumber.FilecoinNumber
ethers = import('https://cdn.skypack.dev/ethers@5.7.1?min')
filecoinAddress = import('https://cdn.skypack.dev/@glif/filecoin-address')
simpleCoinSol = `
// SPDX-License-Identifier: MIT
pragma solidity >=0.4.25 <= 0.8.17;
contract SimpleCoin {
mapping (address => uint) balances;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
constructor() {
balances[tx.origin] = 10000;
}
function sendCoin(address receiver, uint amount) public returns(bool sufficient) {
if (balances[msg.sender] < amount) return false;
balances[msg.sender] -= amount;
balances[receiver] += amount;
emit Transfer(msg.sender, receiver, amount);
return true;
}
function getBalanceInEth(address addr) public view returns(uint){
return getBalance(addr) * 2;
}
function getBalance(address addr) public view returns(uint) {
return balances[addr];
}
}
`.trim()
client = {
const provider = new BrowserProvider(`${baseUrl}/rpc/v0`, { token })
// Monkey-patch in a method to call eth_* JSON-RPC methods
LotusRPC.prototype.callEthMethod = async function (method, args) {
await this.provider.connect()
const request = {
method: `eth_${method}`
}
request.params = args
return this.provider.send(request, {})
}
return new LotusRPC(provider, { schema })
}
client.callEthMethod('chainId')
client.callEthMethod('
filecoin_client = new FilecoinClient(`${baseUrl}/rpc/v0`, token)
lotusApiClient = {
const connector = new filecoinJs.HttpJsonRpcConnector({ url: baseUrl, token })
return new filecoinJs.LotusClient(connector)
}
async function *heightStream () {
let last
while (true) {
try {
const newHeight = (await client.chainHead()).Height
if (newHeight !== last) {
yield newHeight
last = newHeight
}
} catch (e) {
yield 0
}
await Promises.delay(4000)
}
}
mutable ready = false
async function *heightReadyTapStream () {
let lastReady = false
for await (const height of heightStream()) {
const newReady = height > 7
if (newReady !== lastReady) {
mutable ready = newReady
lastReady = newReady
}
yield height
}
}
currentHeight = heightReadyTapStream()
walletDefaultAddress = ready && client.walletDefaultAddress()
function getEvmAddress (address) {
return '000000000000000000000000ff' + Number(address.slice(1)).toString(16).padStart(38, '0')
}
async function waitMsg (cid) {
return await client.stateWaitMsg(cid, 0)
}
async function waitEthTx (txId) {
console.log('Waiting for', txId)
let waitResponse
for (let i = 0; i < 36; i++) { // 36 attempts at 5s each
try {
waitResponse = await client.callEthMethod('getTransactionReceipt', [txId])
} catch (e) {
if (e.message !== 'msg does not exist') {
console.log('Get transaction error', txId, e)
throw (e)
}
}
if (!waitResponse) {
console.log('Sleeping 5s - ', txId, i)
await Promises.delay(5000)
continue
}
}
return waitResponse
}
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