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btcOperator v1.1.1: getTx.hex

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- Added getTx.hex(txid): resolves the tx hex of the txid
- Update: api responses are checked for response.ok
- Fixed: getTx giving incorrect confirmation value for unconfirmed tx
This commit is contained in:
sairajzero 2023-01-31 02:13:37 +05:30
parent c2a94e6246
commit ca0d557d94
1 changed files with 29 additions and 19 deletions
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28
btcOperator.js
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@ -1,17 +1,23 @@
(function (EXPORTS) { //btcOperator v1.1.0 (function (EXPORTS) { //btcOperator v1.1.1
/* BTC Crypto and API Operator */ /* BTC Crypto and API Operator */
const btcOperator = EXPORTS; const btcOperator = EXPORTS;
//This library uses API provided by chain.so (https://chain.so/) //This library uses API provided by chain.so (https://chain.so/)
const URL = "https://blockchain.info/"; const URL = "https://blockchain.info/";
const fetch_api = btcOperator.fetch = function (api) { const fetch_api = btcOperator.fetch = function (api, json_res = true) {
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
console.debug(URL + api); console.debug(URL + api);
fetch(URL + api).then(response => { fetch(URL + api).then(response => {
response.json() if (response.ok) {
.then(result => result.error ? reject(result) : resolve(result)) (json_res ? response.json() : response.text())
.then(result => resolve(result))
.catch(error => reject(error)) .catch(error => reject(error))
} else {
response.json()
.then(result => reject(result))
.catch(error => reject(error))
}
}).catch(error => reject(error)) }).catch(error => reject(error))
}) })
}; };
@ -739,23 +745,27 @@
btcOperator.getTx = txid => new Promise((resolve, reject) => { btcOperator.getTx = txid => new Promise((resolve, reject) => {
fetch_api(`rawtx/${txid}`).then(result => { fetch_api(`rawtx/${txid}`).then(result => {
getLatestBlock().then(latest_block => { getLatestBlock().then(latest_block => resolve({
resolve({
block: result.block_height, block: result.block_height,
txid: result.hash, txid: result.hash,
time: result.time * 1000, time: result.time * 1000,
confirmations: latest_block - result.block_height, //calculate confirmations using latest block number as api doesnt relay it confirmations: result.block_height === null ? 0 : latest_block - result.block_height, //calculate confirmations using latest block number as api doesnt relay it
size: result.size, size: result.size,
fee: util.Sat_to_BTC(result.fee), fee: util.Sat_to_BTC(result.fee),
inputs: result.inputs.map(i => Object({ address: i.prev_out.addr, value: util.Sat_to_BTC(i.prev_out.value) })), inputs: result.inputs.map(i => Object({ address: i.prev_out.addr, value: util.Sat_to_BTC(i.prev_out.value) })),
total_input_value: util.Sat_to_BTC(result.inputs.reduce((a, i) => a + i.prev_out.value, 0)), total_input_value: util.Sat_to_BTC(result.inputs.reduce((a, i) => a + i.prev_out.value, 0)),
outputs: result.out.map(o => Object({ address: o.addr, value: util.Sat_to_BTC(o.value) })), outputs: result.out.map(o => Object({ address: o.addr, value: util.Sat_to_BTC(o.value) })),
total_output_value: util.Sat_to_BTC(result.out.reduce((a, o) => a += o.value, 0)), total_output_value: util.Sat_to_BTC(result.out.reduce((a, o) => a += o.value, 0)),
}) }))
})
}).catch(error => reject(error)) }).catch(error => reject(error))
}); });
btcOperator.getTx.hex = txid => new Promise((resolve, reject) => {
fetch_api(`rawtx/${txid}?format=hex`, false)
.then(result => resolve(result))
.catch(error => reject(error))
})
btcOperator.getAddressData = address => new Promise((resolve, reject) => { btcOperator.getAddressData = address => new Promise((resolve, reject) => {
fetch_api(`rawaddr/${address}`).then(data => { fetch_api(`rawaddr/${address}`).then(data => {
let details = {}; let details = {};