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fix: fee unit and batch fees

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This commit is contained in:
Rafael Taranto 2024-01-25 15:28:17 +00:00
parent 575dbeabe5
commit d3533c44f0
2 changed files with 13 additions and 12 deletions
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4
lib/blockexplorers/mempool.space.js
View file

@ -1,8 +1,8 @@
const axios = require("axios");
const getEstimateFeeBtc = () => {
const getSatBEstimateFee = () => {
return axios.get('https://mempool.space/api/v1/fees/recommended')
.then(r => r.data.hourFee)
}
module.exports = { getEstimateFeeBtc }
module.exports = { getSatBEstimateFee }

21
lib/plugins/wallet/bitcoind/bitcoind.js
View file

@ -1,6 +1,6 @@
const _ = require('lodash/fp')
const jsonRpc = require('../../common/json-rpc')
const { getEstimateFeeBtc } = require('../../../blockexplorers/mempool.space')
const { getSatBEstimateFee } = require('../../../blockexplorers/mempool.space')
const BN = require('../../../bn')
const E = require('../../../error')
@ -56,14 +56,14 @@ function balance (account, cryptoCode, settings, operatorId) {
}
function estimateFee () {
return getEstimateFeeBtc()
return getSatBEstimateFee()
.then(result => BN(result))
.catch(err => {
logger.error('failure estimating fes', err)
})
}
function calculateFeeDiscount (feeMultiplier = 1) {
function calculateFeeDiscount (feeMultiplier = 1, unitScale) {
// 0 makes bitcoind do automatic fee selection
const AUTOMATIC_FEE = 0
return estimateFee()
@ -72,7 +72,9 @@ function calculateFeeDiscount (feeMultiplier = 1) {
logger.info('failure estimating fee, using bitcoind automatic fee selection')
return AUTOMATIC_FEE
}
const newFee = estimatedFee.times(feeMultiplier)
// transform from sat/vB to BTC/kvB and apply the multipler
const newFee = estimatedFee.shiftedBy(-unitScale+3).times(feeMultiplier)
console.log(newFee.toFixed())
if (newFee.lt(0.00001) || newFee.gt(0.1)) {
logger.info('fee outside safety parameters, defaulting to automatic fee selection')
return AUTOMATIC_FEE
@ -86,11 +88,8 @@ function sendCoins (account, tx, settings, operatorId, feeMultiplier) {
const coins = cryptoAtoms.shiftedBy(-unitScale).toFixed(8)
return checkCryptoCode(cryptoCode)
.then(() => calculateFeeDiscount(feeMultiplier))
.then(it => {
const newFee = it.shiftedBy(-unitScale).toFixed(8)
return fetch('settxfee', [newFee])
})
.then(() => calculateFeeDiscount(feeMultiplier, unitScale))
.then(() => fetch('settxfee', [newFee]))
.then(() => fetch('sendtoaddress', [toAddress, coins]))
.then((txId) => fetch('gettransaction', [txId]))
.then((res) => _.pick(['fee', 'txid'], res))
@ -105,7 +104,7 @@ function sendCoins (account, tx, settings, operatorId, feeMultiplier) {
function sendCoinsBatch (account, txs, cryptoCode, feeMultiplier) {
return checkCryptoCode(cryptoCode)
.then(() => calculateFeeDiscount(feeMultiplier))
.then(() => calculateFeeDiscount(feeMultiplier, unitScale))
.then(newFee => fetch('settxfee', [newFee]))
.then(() => _.reduce((acc, value) => ({
...acc,
@ -209,6 +208,8 @@ function getTxHashesByAddress (cryptoCode, address) {
.then(_.map(({ hash }) => hash))
}
calculateFeeDiscount(1, 8).then(console.log)
module.exports = {
balance,
sendCoins,