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((message) => console.log(`"${ message.replace(/[\u007F-\uFFFF]/g, chr =>
    '\\u' + ('0000' + chr.charCodeAt(0).toString(16)).substr(-4)
) }"`))('hello! 😀');

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const randomPercentile = () => {
    return Math.floor(Math.random() * 100);
};

const events = [
    {
        name:       'A',
        percentage: 33
    },

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We're OneText

Good to meet you! We just started OneText

• Jonathan Fudem is steering the ship
• Daniel Brain is cranking out code

We're Ex-PayPal

During our combined 12 years at PayPal Checkout, we launched and scaled some of the world's most popular buying experiences.

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const useElementWithSize = () => {
    const [ currentElement, setCurrentElement ] = useState(null);
    const [ width, setWidth ] = useState(null);
    const [ height, setHeight ] = useState(null);

    const updateDimensions = (element) => {
        setWidth(element?.offsetWidth);
        setHeight(element?.offsetHeight);
    };

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const mine = async () : Promise<void> => {
    await loop(async () => {
        const transactions = mempool.slice(0, BLOCK_SIZE_LIMIT);
        const hashedBlock = await blockchain.createBlock(await keypair.publicKey, transactions);

        if (hashedBlock) {
            await network.broadcast('ADD_BLOCK', hashedBlock);
        }
    });
};

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network.listen('ADD_BLOCK', async (hashedBlock) => {
    mempool = [];
    await blockchain.addBlock(hashedBlock);
});

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const send = async (receiver : string, amount : number, fee : number) : Promise<void> => {
    const signedTransaction = await signAndPack({
        sender: await keypair.publicKey,
        receiver,
        amount,
        fee
    }, await keypair.publicKey, await keypair.privateKey)

    await network.broadcast('ADD_TRANSACTION', signedTransaction);
};

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network.listen('ADD_TRANSACTION', async (signedTransaction) => {
    mempool.push(signedTransaction);     
});

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const keypair = KeyPair();
const network = Network();
const blockchain = BlockChain();
let mempool = [];

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type BitcoinNodeType = {|
    mine : () => Promise<void>,
    send : (receiver : string, amount : number, fee : number) => Promise<void>
|};

export function BitcoinNode() : BitcoinNodeType 

    const mine = async () : Promise<void> => {

    };