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txParsing_utils: added standalone ownedParsedTxFrom__orNil
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Paul Shapiro committed Jan 18, 2020
1 parent 2266bba commit e23a365
Showing 1 changed file with 54 additions and 0 deletions.
54 changes: 54 additions & 0 deletions monero_utils/monero_txParsing_utils.js
Original file line number Diff line number Diff line change
Expand Up @@ -28,8 +28,62 @@
//
"use strict";
//
const JSBigInt = require("../cryptonote_utils/biginteger").BigInteger;
const monero_config = require("./monero_config");
const moment = require("../cryptonote_utils/moment")
const monero_keyImage_cache_utils = require("./monero_keyImage_cache_utils");
const monero_amount_format_utils = require("./monero_amount_format_utils");
//
function ownedParsedTxFrom__orNil(
raw_tx,
address,
view_key__private,
spend_key__public,
spend_key__private,
keyImage_cache,
coreBridge_instance
) {
var tx = JSON.parse(JSON.stringify(raw_tx)) // copy ... do we need/want to do this?
//
if ((tx.spent_outputs || []).length > 0) {
for (var j = 0; j < tx.spent_outputs.length; ++j) {
var key_image = monero_keyImage_cache_utils.Lazy_KeyImage(
keyImage_cache,
tx.spent_outputs[j].tx_pub_key,
tx.spent_outputs[j].out_index,
address,
view_key__private,
spend_key__public,
spend_key__private,
coreBridge_instance
);
if (tx.spent_outputs[j].key_image !== key_image) {
// console.log('Output used as mixin, ignoring (' + transactions[i].spent_outputs[j].key_image + '/' + key_image + ')')
tx.total_sent = (new JSBigInt(tx.total_sent)).subtract(tx.spent_outputs[j].amount).toString() // TODO: probably faster to keep it as a JSBigInt til we're done calculating
tx.spent_outputs.splice(j, 1) // remove
j--
}
}
}
if (new JSBigInt(tx.total_received||0).add(tx.total_sent||0).compare(0) <= 0) {
return null // not own tx - discard
}
tx.amount = new JSBigInt(tx.total_received || 0).subtract(tx.total_sent || 0).toString()
tx.approx_float_amount = parseFloat(monero_amount_format_utils.formatMoney(tx.amount));
// tx.timestamp = tx.timestamp;
//
if (typeof tx.payment_id !== "undefined" && tx.payment_id) {
if (tx.payment_id.length == 16) {
// short (encrypted) pid
if (tx.approx_float_amount < 0) {
// outgoing
delete tx["payment_id"]; // need to filter these out .. because the server can't filter out short (encrypted) pids on outgoing txs
}
}
}
return tx
}
exports.ownedParsedTxFrom__orNil = ownedParsedTxFrom__orNil
//
function IsTransactionConfirmed(tx, blockchain_height)
{
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