The avatar for @jimpick
Jim Pick
Freelance Filecoin developer in Victoria, Canada
Public
Filecoin Virtual Machine
Edited
Oct 18, 2022
Fork of FVM Actor Code Playground - "Hello World"
•
3 forks
1 star
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evmActorCid.toString()
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skypack = (library) => import(`https://cdn.skypack.dev/${library}?min`)
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LotusRPC = (await import('@filecoin-shipyard/lotus-client-rpc')).LotusRPC
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BrowserProvider = (await import('@filecoin-shipyard/lotus-client-provider-browser')).BrowserProvider
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schema = (await import('@filecoin-shipyard/lotus-client-schema')).mainnet.fullNode
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stripAnsi = (await import('https://unpkg.com/strip-ansi@7.0.1/index.js?module')).default
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cbor = import('https://cdn.skypack.dev/borc')
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multiformats = import('https://cdn.skypack.dev/pin/multiformats@v9.6.5-93rn6JH3zqEZdoz77NBu/mode=imports,min/optimized/multiformats.js')
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import {button} from '@jimpick/download-data-button-with-wasm-support'
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buffer = require('https://bundle.run/buffer@6.0.3')
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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()
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client = {
const provider = new BrowserProvider(`${baseUrl}/rpc/v0`, { token })
return new LotusRPC(provider, { schema })
}
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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)
}
}
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mutable ready = false
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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
}
}
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currentHeight = heightReadyTapStream()
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walletDefaultAddress = ready && client.walletDefaultAddress()
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