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feat: initial commit
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‎.env

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MNEMONIC = mixed trophy belt busy six obey ring blade smile energy shop kind
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PRIVATE_KEY = cRkcH9QdpkvRXdBzig5Er3NJJQwz4JwsK7XVmKnh5ndqvb5aYLJ5

‎.env.example

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MNEMONIC =
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PRIVATE_KEY =

‎.gitignore

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node_modules

‎UTXO_merge.ts

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import networkConfig from "config/network.config";
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import { getUtxos, pushBTCpmt } from "./utils/mempool";
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import * as Bitcoin from "bitcoinjs-lib";
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import * as ecc from "tiny-secp256k1";
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import { SeedWallet } from "utils/SeedWallet";
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// import { WIFWallet } from 'utils/WIFWallet'
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import dotenv from "dotenv";
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import { redeemMergeUTXOPsbt, mergeUTXOPsbt } from "controller/utxo.merge.controller";
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const TESTNET_FEERATE = 20;
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const MERGE_COUNT = 5;
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dotenv.config();
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Bitcoin.initEccLib(ecc);
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const networkType: string = networkConfig.networkType;
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const seed: string = process.env.MNEMONIC as string;
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// const privateKey: string = process.env.PRIVATE_KEY as string;
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const mergeUTXO = async () => {
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const wallet = new SeedWallet({ networkType: networkType, seed: seed });
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// const wallet = new WIFWallet({ networkType: networkType, privateKey: privateKey });
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const utxos = await getUtxos(wallet.address, networkType);
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if (utxos.length < MERGE_COUNT) throw new Error("No btcs");
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let redeemPsbt: Bitcoin.Psbt = redeemMergeUTXOPsbt(wallet, utxos, networkType, MERGE_COUNT);
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redeemPsbt = wallet.signPsbt(redeemPsbt, wallet.ecPair)
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let redeemFee = redeemPsbt.extractTransaction().virtualSize() * TESTNET_FEERATE;
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let psbt = mergeUTXOPsbt(wallet, utxos, networkType, MERGE_COUNT, redeemFee);
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let signedPsbt = wallet.signPsbt(psbt, wallet.ecPair)
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const txHex = signedPsbt.extractTransaction().toHex();
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const txId = await pushBTCpmt(txHex, networkType);
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console.log(`Merge_UTXO_TxId=======> ${txId}`)
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}
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mergeUTXO();

‎UTXO_send.ts

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import networkConfig from "config/network.config";
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import { getUtxos, pushBTCpmt } from "./utils/mempool";
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import * as Bitcoin from "bitcoinjs-lib";
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import * as ecc from "tiny-secp256k1";
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import dotenv from "dotenv";
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import { redeemSendUTXOPsbt, sendUTXOPsbt} from "controller/utxo.send.controller";
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import { SeedWallet } from "utils/SeedWallet";
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// import { WIFWallet } from 'utils/WIFWallet'
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const TESTNET_FEERATE = 20;
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const SEND_UTXO_LIMIT = 10000;
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dotenv.config();
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Bitcoin.initEccLib(ecc);
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const networkType: string = networkConfig.networkType;
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const seed: string = process.env.MNEMONIC as string;
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// const privateKey: string = process.env.PRIVATE_KEY as string;
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const sendUTXO = async () => {
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const wallet = new SeedWallet({ networkType: networkType, seed: seed });
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// const wallet = new WIFWallet({ networkType: networkType, privateKey: privateKey });
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const utxos = await getUtxos(wallet.address, networkType);
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const utxo = utxos.find((utxo) => utxo.value > SEND_UTXO_LIMIT);
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if (utxo === undefined) throw new Error("No btcs");
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let redeemPsbt: Bitcoin.Psbt = redeemSendUTXOPsbt(wallet, utxo, networkType);
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redeemPsbt = wallet.signPsbt(redeemPsbt, wallet.ecPair)
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let redeemFee = redeemPsbt.extractTransaction().virtualSize() * TESTNET_FEERATE;
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let psbt = sendUTXOPsbt(wallet, utxo, networkType, redeemFee);
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let signedPsbt = wallet.signPsbt(psbt, wallet.ecPair)
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const txHex = signedPsbt.extractTransaction().toHex();
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const txId = await pushBTCpmt(txHex, networkType);
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console.log(`Send_UTXO_TxId=======> ${txId}`)
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}
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sendUTXO();

‎UTXO_split.ts

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import networkConfig from "config/network.config";
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import { getUtxos, pushBTCpmt } from "./utils/mempool";
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import * as Bitcoin from "bitcoinjs-lib";
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import * as ecc from "tiny-secp256k1";
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import dotenv from "dotenv";
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import { redeemSplitUTXOPsbt, splitUTXOPsbt} from "controller/utxo.split.controller";
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import { SeedWallet } from "utils/SeedWallet";
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// import { WIFWallet } from 'utils/WIFWallet'
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const TESTNET_FEERATE = 20;
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const SPLIT_UTXO_LIMIT = 10000;
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const SPLIT_COUNT = 5;
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dotenv.config();
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Bitcoin.initEccLib(ecc);
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const networkType: string = networkConfig.networkType;
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const seed: string = process.env.MNEMONIC as string;
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// const privateKey: string = process.env.PRIVATE_KEY as string;
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const splitUTXO = async () => {
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const wallet = new SeedWallet({ networkType: networkType, seed: seed });
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// const wallet = new WIFWallet({ networkType: networkType, privateKey: privateKey });
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const utxos = await getUtxos(wallet.address, networkType);
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const utxo = utxos.find((utxo) => utxo.value > SPLIT_UTXO_LIMIT);
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if (utxo === undefined) throw new Error("No btcs");
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let redeemPsbt: Bitcoin.Psbt = redeemSplitUTXOPsbt(wallet, utxo, networkType, SPLIT_COUNT);
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redeemPsbt = wallet.signPsbt(redeemPsbt, wallet.ecPair)
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let redeemFee = redeemPsbt.extractTransaction().virtualSize() * TESTNET_FEERATE;
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let psbt = splitUTXOPsbt(wallet, utxo, networkType, SPLIT_COUNT, redeemFee);
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let signedPsbt = wallet.signPsbt(psbt, wallet.ecPair)
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const txHex = signedPsbt.extractTransaction().toHex();
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const txId = await pushBTCpmt(txHex, networkType);
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console.log(`Split_UTXO_TxId=======> ${txId}`)
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}
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splitUTXO();

‎config/network.config.ts

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const networkConfig = {
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networkType: "testnet",
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};
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export default networkConfig;
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‎controller/utxo.merge.controller.ts

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import * as Bitcoin from "bitcoinjs-lib";
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import * as ecc from "tiny-secp256k1";
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Bitcoin.initEccLib(ecc);
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interface IUtxo {
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txid: string;
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vout: number;
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value: number;
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}
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export const redeemMergeUTXOPsbt = (wallet: any, utxos: IUtxo[], networkType: string, mergeCount: number): Bitcoin.Psbt => {
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let value = 0;
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const psbt = new Bitcoin.Psbt({
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network: networkType == "testnet" ? Bitcoin.networks.testnet : Bitcoin.networks.bitcoin
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});
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for (let i = 0; i < mergeCount; i++) {
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psbt.addInput({
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hash: utxos[i].txid,
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index: utxos[i].vout,
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witnessUtxo: {
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value: utxos[i].value,
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script: wallet.output,
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},
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tapInternalKey: Buffer.from(wallet.publicKey, "hex").subarray(1, 33),
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});
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value += utxos[i].value;
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}
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psbt.addOutput({
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address: wallet.address,
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value: value - 1000,
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});
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return psbt;
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}
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export const mergeUTXOPsbt = (wallet: any, utxos: IUtxo[], networkType: string, mergeCount: number, fee: number): Bitcoin.Psbt => {
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let value = 0;
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const psbt = new Bitcoin.Psbt({
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network: networkType == "testnet" ? Bitcoin.networks.testnet : Bitcoin.networks.bitcoin
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});
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for (let i = 0; i < mergeCount; i++) {
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psbt.addInput({
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hash: utxos[i].txid,
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index: utxos[i].vout,
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witnessUtxo: {
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value: utxos[i].value,
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script: wallet.output,
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},
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tapInternalKey: Buffer.from(wallet.publicKey, "hex").subarray(1, 33),
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});
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value += utxos[i].value;
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}
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psbt.addOutput({
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address: wallet.address,
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value: value - fee,
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});
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if (value < fee) throw new Error("No enough Fee");
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return psbt;
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}

‎controller/utxo.send.controller.ts

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import * as Bitcoin from "bitcoinjs-lib";
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import * as ecc from "tiny-secp256k1";
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Bitcoin.initEccLib(ecc);
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interface IUtxo {
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txid: string;
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vout: number;
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value: number;
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}
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export const redeemSendUTXOPsbt = (wallet: any, utxo: IUtxo, networkType: string): Bitcoin.Psbt => {
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const psbt = new Bitcoin.Psbt({
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network: networkType == "testnet" ? Bitcoin.networks.testnet : Bitcoin.networks.bitcoin
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});
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psbt.addInput({
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hash: utxo.txid,
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index: utxo.vout,
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witnessUtxo: {
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value: utxo.value,
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script: wallet.output,
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},
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tapInternalKey: Buffer.from(wallet.publicKey, "hex").subarray(1, 33),
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});
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psbt.addOutput({
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address: wallet.address,
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value: utxo.value - 1000,
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});
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return psbt;
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}
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export const sendUTXOPsbt = (wallet: any, utxo: IUtxo, networkType: string, fee: number): Bitcoin.Psbt => {
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const psbt = new Bitcoin.Psbt({
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network: networkType == "testnet" ? Bitcoin.networks.testnet : Bitcoin.networks.bitcoin
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});
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psbt.addInput({
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hash: utxo.txid,
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index: utxo.vout,
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witnessUtxo: {
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value: utxo.value,
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script: wallet.output,
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},
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tapInternalKey: Buffer.from(wallet.publicKey, "hex").subarray(1, 33),
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});
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psbt.addOutput({
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address: wallet.address,
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value: utxo.value - fee,
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});
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return psbt;
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}
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‎controller/utxo.split.controller.ts

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import * as Bitcoin from "bitcoinjs-lib";
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import * as ecc from "tiny-secp256k1";
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Bitcoin.initEccLib(ecc);
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const UTXO_OUTPUT = 546;
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interface IUtxo {
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txid: string;
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vout: number;
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value: number;
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}
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export const redeemSplitUTXOPsbt = (wallet: any, utxo: IUtxo, networkType: string, splitCount: number): Bitcoin.Psbt => {
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const psbt = new Bitcoin.Psbt({
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network: networkType == "testnet" ? Bitcoin.networks.testnet : Bitcoin.networks.bitcoin
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});
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psbt.addInput({
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hash: utxo.txid,
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index: utxo.vout,
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witnessUtxo: {
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value: utxo.value,
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script: wallet.output,
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},
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tapInternalKey: Buffer.from(wallet.publicKey, "hex").subarray(1, 33),
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});
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for (let i = 0; i < splitCount; i++) {
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psbt.addOutput({
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address: wallet.address,
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value: UTXO_OUTPUT,
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});
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}
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psbt.addOutput({
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address: wallet.address,
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value: utxo.value - UTXO_OUTPUT * splitCount - 1000,
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});
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return psbt;
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}
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export const splitUTXOPsbt = (wallet: any, utxo: IUtxo, networkType: string, splitCount: number, fee: number): Bitcoin.Psbt => {
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const psbt = new Bitcoin.Psbt({
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network: networkType == "testnet" ? Bitcoin.networks.testnet : Bitcoin.networks.bitcoin
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});
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psbt.addInput({
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hash: utxo.txid,
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index: utxo.vout,
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witnessUtxo: {
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value: utxo.value,
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script: wallet.output,
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},
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tapInternalKey: Buffer.from(wallet.publicKey, "hex").subarray(1, 33),
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});
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for (let i = 0; i < splitCount; i++) {
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psbt.addOutput({
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address: wallet.address,
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value: UTXO_OUTPUT,
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});
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}
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psbt.addOutput({
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address: wallet.address,
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value: utxo.value - UTXO_OUTPUT * splitCount - fee,
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});
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return psbt;
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}

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