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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,277 +1,5 @@ | ||
| import * as bip39 from 'bip39' | ||
| import * as bip32 from 'bip32' | ||
| import * as bitcoin from 'bitcoinjs-lib' | ||
| import { PrivateKey } from 'bitcore-lib'; | ||
| class BitcoinWallet { | ||
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| import axios, { AxiosResponse } from 'axios'; | ||
|
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| import { BtcNetwork, BtcWallet, BtcAccount } from "../../type/type" | ||
| import { BITCOIN_DEFAULT, BTC_MAINNET, BTC_REGTEST, BTC_TESTNET } from "../../constant"; | ||
|
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| class BitCoinWallet { | ||
|
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| privateKey: string | ||
| address: { p2pkh: string, bech32: string } | ||
|
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| /** | ||
| * | ||
| * @param {String} privateKey | ||
| * @param {BtcNetwork} network | ||
| */ | ||
| constructor(privateKey?: string, network?: BtcNetwork) { | ||
| if (privateKey) { | ||
| const _tempWallet = this.importAccount(privateKey, network || BTC_MAINNET) | ||
|
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| this.privateKey = _tempWallet.privateKey | ||
| this.address = _tempWallet.address | ||
| } | ||
| else { | ||
| const _tempWallet = this.createWallet(network || BTC_MAINNET) | ||
|
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| this.privateKey = _tempWallet.privateKey | ||
| this.address = _tempWallet.address | ||
| } | ||
| } | ||
|
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| /** | ||
| * | ||
| * @param network | ||
| * @param derivedPath | ||
| * @returns {BtcWallet} | ||
| */ | ||
| createWallet = (network?: BtcNetwork, derivedPath?: string): BtcWallet => { | ||
| let btcNetwork; | ||
|
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| const currentNetwork = network || BTC_MAINNET | ||
|
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| switch (currentNetwork) { | ||
| case BTC_MAINNET: | ||
| btcNetwork = bitcoin.networks.bitcoin; | ||
| break; | ||
| case BTC_REGTEST: | ||
| btcNetwork = bitcoin.networks.regtest; | ||
| break; | ||
| case BTC_TESTNET: | ||
| btcNetwork = bitcoin.networks.testnet; | ||
| break; | ||
| default: | ||
| btcNetwork = bitcoin.networks.bitcoin; | ||
| break; | ||
| } | ||
|
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| const path = derivedPath || BITCOIN_DEFAULT; | ||
|
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| const mnemonic = bip39.generateMnemonic(); | ||
| const seed = bip39.mnemonicToSeedSync(mnemonic); | ||
|
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| const root = bip32.fromSeed(seed, btcNetwork); | ||
|
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| const account = root.derivePath(path); | ||
| const node = account.derive(0); | ||
|
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| const publicKeyP2pkh = bitcoin.payments.p2pkh({ | ||
| pubkey: node.publicKey, | ||
| network: btcNetwork | ||
| }).address || ''; | ||
|
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| const publicKeyBech32 = bitcoin.payments.p2wpkh({ | ||
| pubkey: node.publicKey, | ||
| network: btcNetwork | ||
| }).address || '' | ||
|
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| return { | ||
| address: { | ||
| p2pkh: publicKeyP2pkh, | ||
| bech32: publicKeyBech32 | ||
| }, | ||
| privateKey: node.toWIF(), | ||
| mnemonic: mnemonic | ||
| } | ||
| } | ||
|
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| /** | ||
| * | ||
| * @param mnemonic | ||
| * @param network | ||
| * @param derivedPath | ||
| * @returns {BtcWallet} | ||
| */ | ||
| recoverWallet = (mnemonic: string, network?: BtcNetwork, derivedPath?: string): BtcWallet => { | ||
| let btcNetwork; | ||
|
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| const currentNetwork = network || BTC_MAINNET | ||
|
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| switch (currentNetwork) { | ||
| case BTC_MAINNET: | ||
| btcNetwork = bitcoin.networks.bitcoin; | ||
| break; | ||
| case BTC_REGTEST: | ||
| btcNetwork = bitcoin.networks.regtest; | ||
| break; | ||
| case BTC_TESTNET: | ||
| btcNetwork = bitcoin.networks.testnet; | ||
| break; | ||
| default: | ||
| btcNetwork = bitcoin.networks.bitcoin; | ||
| break; | ||
| } | ||
|
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| const path = derivedPath || BITCOIN_DEFAULT; | ||
|
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| const seed = bip39.mnemonicToSeedSync(mnemonic); | ||
| // const bip32 = BIP32Factory(ecc); | ||
| const root = bip32.fromSeed(seed, btcNetwork); | ||
|
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| const account = root.derivePath(path); | ||
| const node = account.derive(0); | ||
|
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| const publicKeyP2pkh = bitcoin.payments.p2pkh({ | ||
| pubkey: node.publicKey, | ||
| network: btcNetwork | ||
| }).address || ''; | ||
|
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| const publicKeyBech32 = bitcoin.payments.p2wpkh({ | ||
| pubkey: node.publicKey, | ||
| network: btcNetwork | ||
| }).address || '' | ||
|
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||
| return { | ||
| address: { | ||
| p2pkh: publicKeyP2pkh, | ||
| bech32: publicKeyBech32 | ||
| }, | ||
| privateKey: node.toWIF(), | ||
| mnemonic: mnemonic | ||
| } | ||
| } | ||
|
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| /** | ||
| * | ||
| * @param network | ||
| * @param privateKey | ||
| * @returns {BtcAccount} | ||
| */ | ||
| importAccount = (privateKey: string, network?: BtcNetwork): BtcAccount => { | ||
| let btcNetwork; | ||
|
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| const currentNetwork = network || BTC_MAINNET | ||
|
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| switch (currentNetwork) { | ||
| case BTC_MAINNET: | ||
| btcNetwork = bitcoin.networks.bitcoin; | ||
| break; | ||
| case BTC_REGTEST: | ||
| btcNetwork = bitcoin.networks.regtest; | ||
| break; | ||
| case BTC_TESTNET: | ||
| btcNetwork = bitcoin.networks.testnet; | ||
| break; | ||
| default: | ||
| btcNetwork = bitcoin.networks.bitcoin; | ||
| break; | ||
| } | ||
|
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| const privateKeyObj = new PrivateKey(privateKey); | ||
|
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| const publicKeyBuffer = privateKeyObj.publicKey.toBuffer(); | ||
|
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| const publicKeyP2Pkh = bitcoin.payments.p2pkh({ | ||
| pubkey: publicKeyBuffer, | ||
| network: btcNetwork | ||
| }).address || ''; | ||
|
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| const publicKeyBech32 = bitcoin.payments.p2wpkh({ | ||
| pubkey: publicKeyBuffer, | ||
| network: btcNetwork | ||
| }).address || '' | ||
|
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| return { | ||
| address: { | ||
| p2pkh: publicKeyP2Pkh, | ||
| bech32: publicKeyBech32 | ||
| }, | ||
| privateKey: privateKey, | ||
| } | ||
| } | ||
|
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| /** | ||
| * | ||
| * @param address | ||
| * @returns {Number} | ||
| */ | ||
| getBalance = async (address: string, network?: BtcNetwork): Promise<number> => { | ||
| try { | ||
| let response: AxiosResponse | ||
|
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| switch (network) { | ||
| case "bitcoin": | ||
| response = await axios.get(`https://blockchain.info/q/addressbalance/${address}/`) | ||
| break; | ||
| case "testnet": | ||
| response = await axios.get(`https://blockstream.info/testnet/api/address/${address}/utxo`) | ||
| break; | ||
| case "regtest": | ||
| response = await axios.get(`https://blockstream.info/testnet/api/address/${address}/utxo`) | ||
| break; | ||
| default: | ||
| response = await axios.get(`https://blockchain.info/q/addressbalance/${address}/`) | ||
| break; | ||
| } | ||
|
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| return response.data | ||
| } catch (error) { | ||
| throw error | ||
| } | ||
| } | ||
|
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| /** | ||
| * | ||
| * @param receiverAddress | ||
| * @param amount | ||
| * @returns {any} | ||
| */ | ||
| sendBitcoin = async (recipientAddress: string, amount: number, network?: BtcNetwork): Promise<any> => { | ||
| try { | ||
| let btcNetwork; | ||
|
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| const currentNetwork = network || BTC_MAINNET | ||
|
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| switch (currentNetwork) { | ||
| case BTC_MAINNET: | ||
| btcNetwork = bitcoin.networks.bitcoin; | ||
| break; | ||
| case BTC_REGTEST: | ||
| btcNetwork = bitcoin.networks.regtest; | ||
| break; | ||
| case BTC_TESTNET: | ||
| btcNetwork = bitcoin.networks.testnet; | ||
| break; | ||
| default: | ||
| btcNetwork = bitcoin.networks.bitcoin; | ||
| break; | ||
| } | ||
|
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| const response = await axios.get(`https://blockchain.info/unspent?active=${this.address.bech32}`) | ||
| const utxos = response.data.unspent_outputs | ||
|
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| const tx = new bitcoin.Transaction() | ||
|
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| if(utxos.length === 0) { | ||
| tx.addInput(Buffer.from('0000000000000000000000000000000000000000000000000000000000000000', 'hex'), 0) | ||
| } | ||
| else { | ||
| tx.addInput(Buffer.from(utxos[utxos.length - 1]['tx_hash'], 'hex'), 0) | ||
| } | ||
|
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| tx.addOutput(Buffer.from(recipientAddress), amount) | ||
|
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| // const txHex = tx.toHex() | ||
| return utxos | ||
| } | ||
| catch (error) { | ||
| throw error | ||
| } | ||
| } | ||
| } | ||
|
|
||
| export default BitCoinWallet | ||
| export default BitcoinWallet |
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