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99 lines
3.5 KiB
99 lines
3.5 KiB
// Copyright (c) 2014-2019, MyMonero.com
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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"use strict";
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//
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const monero_config = require("./monero_config");
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const moment = require("../cryptonote_utils/moment")
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//
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function IsTransactionConfirmed(tx, blockchain_height)
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{
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// TODO: check tx.mempool here?
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if (tx.height === null || typeof tx.height == 'undefined') {
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return false // supposing it hasn't made it into a block yet
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}
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return blockchain_height - tx.height > monero_config.txMinConfirms;
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}
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exports.IsTransactionConfirmed = IsTransactionConfirmed;
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//
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function IsTransactionUnlocked(tx, blockchain_height) {
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const unlock_time = tx.unlock_time || 0;
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if (!monero_config.maxBlockNumber) {
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throw "Max block number is not set in config!";
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}
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if (unlock_time < monero_config.maxBlockNumber) {
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// unlock time is block height
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return blockchain_height >= unlock_time;
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} else {
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// unlock time is timestamp
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var current_time = Math.round(new Date().getTime() / 1000);
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return current_time >= unlock_time;
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}
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}
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exports.IsTransactionUnlocked = IsTransactionUnlocked;
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//
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function TransactionLockedReason(tx, blockchain_height)
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{
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const unlock_time = tx.unlock_time || 0;
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if (unlock_time < monero_config.maxBlockNumber) {
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// unlock time is block height
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var numBlocks = unlock_time - blockchain_height;
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if (numBlocks <= 0) {
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return "Transaction is unlocked";
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}
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var unlock_prediction = moment().add(
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numBlocks * monero_config.avgBlockTime,
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"seconds"
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);
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return (
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"Will be unlocked in " +
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numBlocks +
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" blocks, ~" +
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unlock_prediction.fromNow(true) +
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", " +
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unlock_prediction.calendar() +
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""
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);
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} else {
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// unlock time is timestamp
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var current_time = Math.round(new Date().getTime() / 1000);
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var time_difference = unlock_time - current_time;
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if (time_difference <= 0) {
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return "Transaction is unlocked";
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}
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var unlock_moment = moment(unlock_time * 1000);
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return (
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"Will be unlocked " +
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unlock_moment.fromNow() +
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", " +
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unlock_moment.calendar()
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);
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}
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}
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exports.TransactionLockedReason = TransactionLockedReason;
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