pay/guis/Utils.js

/*
 * This file is part of the Flowee project
 * Copyright (C) 2020-2023 Tom Zander <tom@flowee.org>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

// Is this transaction a 'move between addresses' tx.
// This is a heuristic and not available in the model, which is why its in the view.
function isMoved(txInfo) {
    if (txInfo === null)
        return false
    if (txInfo.isCoinbase || txInfo.isFused
            || txInfo.fundsIn === 0 || txInfo.fundsOut === 0)
        return false
    var diff = txInfo.fundsOut - txInfo.fundsIn
    return diff < 0 && diff > -2500 // then the diff is likely just fees.
}

function historicalHeights() {
    return [
        100406, 105564, 111133, 115516, 120731, 127374, 133753,
        138539, 142965, 147309, 150955, 155150, 159601, 164289,
        168947, 173332, 177653, 182030, 186680, 191257, 196146,
        200982, 205472, 210052, 214090, 218495, 223659, 228486,
        233645, 238422, 243833, 248955, 254735, 260648, 266613,
        272024, 277464, 282948, 288364, 292981, 298197, 303092,
        308376, 312919, 317984, 322972, 327423, 332040, 336384,
        340917, 345605, 349713, 354152, 358436, 362974, 367405,
        371964, 376579, 380994, 385802, 390708, 395508, 400464,
        404739, 409332, 413834, 418421, 422658, 427282, 431993,
        436359, 441045, 445568, 450483, 455193, 459389, 463935,
        468621, 473312, 478024, 484018, 489925, 499847, 506195,
        510496, 514976, 519421, 523442, 527942, 532251, 536702,
        541001, 545452, 549912, 554201, 558596, 562898, 567326,
        571781, 575836, 580290, 584604, 589044, 593355, 597824,
        602298, 606618, 611066, 615384, 619871, 624312, 628475,
        632848, 637166, 641633, 645955, 650396, 654855, 659133,
        663626, 667895, 672364, 676770, 680773, 685462, 689903,
        694154, 698312, 702882, 707322, 711585, 716117, 720443,
        724876, 729367, 733391, 737876, 742106, 746494, 750878,
        755311, 759815, 764115, 768615, 772950, 777450, 781900,
        758800, 790300, 794600, 799300, 803750, 808150, 812650,
        817000, 821360, 825730, 830230, 834730, 839100, 843500,
        847800, 852200, 856500, 861000, 865430, 869800, 874300,
        878550, 882950, 887450, 891400, 895900, 900250, 904750,
        909200, 913650, 918150, 922990
    ];
}

function heightOfBlockAtTime(dateTime) {
    let height = Pay.heightOfBlockAtTime(dateTime)
    // This is for the import page, an import can start before the
    // checkpoint we have, and without headers the above method will
    // not actually resolve.
    if (height <= 0) { // then we need to resolve it ourselves.
        // block-heights is one entry per month, first entry is Jan 2011
        let baseline = new Date('2011-01-01')
        let index = (dateTime.getYear() - baseline.getYear()) * 12 + dateTime.getMonth() + 1

        height = historicalHeights()[index - 1]
    }
    return height
}