68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
var bitcoin = require('../../')
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var Blockchain = require('cb-http-client')
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var BLOCKTRAIL_API_KEY = process.env.BLOCKTRAIL_API_KEY || 'c0bd8155c66e3fb148bb1664adc1e4dacd872548'
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var coinSelect = require('coinselect')
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var typeforce = require('typeforce')
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var types = require('../../src/types')
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var mainnet = new Blockchain('https://api.blocktrail.com/cb/v0.2.1/BTC', { api_key: BLOCKTRAIL_API_KEY })
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var testnet = new Blockchain('https://api.blocktrail.com/cb/v0.2.1/tBTC', { api_key: BLOCKTRAIL_API_KEY })
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var kpNetwork = bitcoin.networks.testnet
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var keyPair = bitcoin.ECPair.fromWIF('cQqjeq2rxqwnqwMewJhkNtJDixtX8ctA4bYoWHdxY4xRPVvAEjmk', kpNetwork)
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var kpAddress = keyPair.getAddress()
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function fundAddress (unspents, outputs, callback) {
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var result = coinSelect(unspents, outputs, 10)
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if (!result.inputs) return callback(new Error('Faucet empty'))
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var txb = new bitcoin.TransactionBuilder(kpNetwork)
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result.inputs.forEach(function (x) {
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txb.addInput(x.txId, x.vout)
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})
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result.outputs.forEach(function (x) {
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txb.addOutput(x.address || kpAddress, x.value)
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})
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result.inputs.forEach(function (x, i) {
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txb.sign(i, keyPair)
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})
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var tx = txb.build()
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var txId = tx.getId()
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testnet.transactions.propagate(tx.toHex(), function (err) {
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callback(err, outputs.map(function (x, i) {
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return { txId: txId, vout: i }
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}))
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})
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}
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testnet.faucetMany = function faucetMany (outputs, callback) {
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testnet.addresses.unspents(kpAddress, function (err, unspents) {
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if (err) return callback(err)
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typeforce([{
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txId: types.Hex,
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vout: types.UInt32,
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value: types.Satoshi
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}], unspents)
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fundAddress(unspents, outputs, callback)
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})
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}
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testnet.faucet = function faucet (address, value, callback) {
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testnet.faucetMany([{ address: address, value: value }], function (err, unspents) {
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callback(err, unspents && unspents[0])
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})
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}
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testnet.RETURN = kpAddress
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module.exports = {
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m: mainnet,
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t: testnet
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}
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