Skip to content

Instantly share code, notes, and snippets.

@gcharang

gcharang/dust-consolidate.js

Last active April 29, 2023 19:57
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save gcharang/a2e4874784601a93b226e447d1779f1d to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save gcharang/a2e4874784601a93b226e447d1779f1d to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. gcharang revised this gist Apr 29, 2023. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions dust-consolidate.js
    View file
    Original file line number Diff line number Diff line change
    @@ -82,10 +82,10 @@ async function consolidateUtxos() {
    return;
    }

    let steps = Math.round(utxos.length / 100)
    let steps = Math.ceil(utxos.length / 50)

    for (let index = 0; index < steps; index++) {
    await processUtxos(utxos.slice(index * 100, (index + 1) * 100))
    await processUtxos(utxos.slice(index * 50, (index + 1) * 50))
    }


  2. gcharang revised this gist Apr 29, 2023. 1 changed file with 1 addition and 1 deletion.
    2 changes: 1 addition & 1 deletion dust-consolidate.js
    View file
    Original file line number Diff line number Diff line change
    @@ -48,7 +48,7 @@ const processUtxos = async utxos => {
    ));
    const totalValue = utxos.reduce((sum, utxo) => sum + utxo.satoshis, 0);

    txb.addOutput(KMD_ADDRESS, totalValue - 1e3); //sending back `all - txnFee`
    txb.addOutput(KMD_ADDRESS, totalValue - 2e4); //sending back `all - txnFee`
    inputs.forEach((input, index) => {
    txb.sign(index, keyPair, "", bitcoin.Transaction.SIGHASH_ALL, input.satoshis);
    });
  3. gcharang created this gist Apr 29, 2023.
    97 changes: 97 additions & 0 deletions dust-consolidate.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,97 @@
    const bitcoin = require("bitgo-utxo-lib");
    const axios = require('axios');

    // Set your Insight Explorer URL and wif key
    const INSIGHT_URL = 'https://doc.dragonhound.info';
    const wifKey = "";

    /* missing declaration of KMD in bitgo-utxo-lib */
    bitcoin.networks.kmd = {
    messagePrefix: "\u0018Komodo Signed Message:\n",
    bech32: "bc",
    bip32: { public: 76067358, private: 76066276 },
    pubKeyHash: 60,
    scriptHash: 85,
    wif: 188,
    consensusBranchId: { 1: 0, 2: 0, 3: 1537743641, 4: 1991772603 },
    coin: "zec",
    };

    let keyPair = bitcoin.ECPair.fromWIF(
    wifKey,
    bitcoin.networks.kmd
    );
    let KMD_ADDRESS = keyPair.getAddress();

    const processUtxos = async utxos => {
    let inputs = [];

    for (const utxo of utxos) {
    inputs.push({
    txId: utxo.txid,
    vout: utxo.vout,
    satoshis: utxo.satoshis
    });
    }

    let txb = new bitcoin.TransactionBuilder(bitcoin.networks.kmd);
    txb.setVersion(bitcoin.Transaction.ZCASH_SAPLING_VERSION);

    txb.setVersionGroupId(0x892f2085);
    txb.setLockTime(Math.floor(Date.now() / 1000) - 7777); //locktime set slightly in the past
    txb.setExpiryHeight(0);

    inputs.forEach((input) => txb.addInput(
    input.txId,
    input.vout,
    0xffffffff - 1
    ));
    const totalValue = utxos.reduce((sum, utxo) => sum + utxo.satoshis, 0);

    txb.addOutput(KMD_ADDRESS, totalValue - 1e3); //sending back `all - txnFee`
    inputs.forEach((input, index) => {
    txb.sign(index, keyPair, "", bitcoin.Transaction.SIGHASH_ALL, input.satoshis);
    });

    let tx = txb.build();
    const hex = tx.toHex()
    console.log("txid: " + tx.getId());
    console.log("hex: " + hex);
    try {
    let postResponse = axios.post(`${INSIGHT_URL}/insight-api-komodo/tx/send`, JSON.stringify({ rawtx: hex }), {
    headers: {
    'Content-Type': 'application/json'
    }
    })
    } catch (error) {
    console.log(error)
    }

    await delay(3000)
    }

    const delay = ms => new Promise(res => setTimeout(res, ms));

    async function consolidateUtxos() {
    try {
    const utxosResponse = await axios.get(`${INSIGHT_URL}/insight-api-komodo/addr/${KMD_ADDRESS}/utxo`);
    let utxos = utxosResponse.data;
    utxos = utxos.filter(utxo => utxo.satoshis !== 10000)
    if (utxos.length === 0) {
    console.log(`No UTXOs found for address ${KMD_ADDRESS}`);
    return;
    }

    let steps = Math.round(utxos.length / 100)

    for (let index = 0; index < steps; index++) {
    await processUtxos(utxos.slice(index * 100, (index + 1) * 100))
    }


    } catch (error) {
    console.error('Error consolidating UTXOs:', error.message);
    }
    }

    consolidateUtxos();