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btc-rpc-explorer
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display exchange-rate values (currently from coinmarketcap, but easy to configure to use other sources) next to primary currency values

fix-133-memory-crash
Dan Janosik 7 years ago
parent
f6bbe518d1
commit
56b1d0c5b1
7 changed files with 128 additions and 4 deletions
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  1. 36
      app.js
  2. 13
      app/coins/btc.js
  3. 13
      app/coins/ltc.js
  4. 12
      app/utils.js
  5. 6
      bin/www
  6. 21
      views/includes/block-content.pug
  7. 31
      views/transaction.pug

36
app.js
View File

@ -19,6 +19,7 @@ var pug = require("pug");
var momentDurationFormat = require("moment-duration-format");
var rpcApi = require("./app/rpcApi.js");
var coins = require("./app/coins.js");
var request = require("request");
var baseActionsRouter = require('./routes/baseActionsRouter');
@ -50,6 +51,41 @@ app.use(session({
app.use(express.static(path.join(__dirname, 'public')));
function refreshExchangeRate() {
if (coins[env.coin].exchangeRateData) {
request(coins[env.coin].exchangeRateData.jsonUrl, function(error, response, body) {
if (!error && response.statusCode == 200) {
var responseBody = JSON.parse(body);
var exchangeRate = coins[env.coin].exchangeRateData.responseBodySelectorFunction(responseBody);
if (exchangeRate > 0) {
global.exchangeRate = exchangeRate;
global.exchangeRateUpdateTime = new Date();
console.log("Using exchange rate: " + global.exchangeRate + " USD/" + coins[env.coin].name + " starting at " + global.exchangeRateUpdateTime);
} else {
console.log("Unable to get exchange rate data");
}
} else {
console.log("Error " + response.statusCode)
}
});
}
}
app.runOnStartup = function() {
if (global.exchangeRate == null) {
refreshExchangeRate();
}
// refresh exchange rate periodically
setInterval(refreshExchangeRate, 1800000);
};
app.locals.sourcecodeVersion = null;
app.use(function(req, res, next) {

13
app/coins/btc.js
View File

@ -151,5 +151,16 @@ module.exports = {
note: "First block mined that was greater than 1MB.",
referenceUrl: "https://en.bit.news/bitfury-mined-first-segwit-block-size-1-mb/"
}
]
],
exchangeRateData:{
jsonUrl:"https://api.coinmarketcap.com/v1/ticker/Bitcoin/",
exchangedCurrencyName:"usd",
responseBodySelectorFunction:function(responseBody) {
if (responseBody[0] && responseBody[0].price_usd) {
return responseBody[0].price_usd;
}
return -1;
}
}
};

13
app/coins/ltc.js
View File

@ -71,5 +71,16 @@ module.exports = {
note: "The Litecoin genesis block.",
referenceUrl: "https://medium.com/@SatoshiLite/satoshilite-1e2dad89a017"
}
]
],
exchangeRateData:{
jsonUrl:"https://api.coinmarketcap.com/v1/ticker/Litecoin/",
exchangedCurrencyName:"usd",
responseBodySelectorFunction:function(responseBody) {
if (responseBody[0] && responseBody[0].price_usd) {
return responseBody[0].price_usd;
}
return -1;
}
}
};

12
app/utils.js
View File

@ -144,6 +144,17 @@ function addThousandsSeparators(x) {
return parts.join(".");
}
function formatExchangedCurrency(amount) {
if (global.exchangeRate != null) {
var dec = new Decimal(amount);
dec = dec.times(global.exchangeRate);
return addThousandsSeparators(dec.toDecimalPlaces(2)) + " " + coins[env.coin].exchangeRateData.exchangedCurrencyName;
}
return "";
}
module.exports = {
doSmartRedirect: doSmartRedirect,
@ -154,4 +165,5 @@ module.exports = {
getRandomString: getRandomString,
formatBytes: formatBytes,
formatCurrencyAmount: formatCurrencyAmount,
formatExchangedCurrency: formatExchangedCurrency
};

6
bin/www
View File

@ -5,5 +5,9 @@ var app = require('../app');
app.set('port', process.env.PORT || 3002);
var server = app.listen(app.get('port'), function() {
debug('Express server listening on port ' + server.address().port);
debug('Express server listening on port ' + server.address().port);
if (app.runOnStartup) {
app.runOnStartup();
}
});

21
views/includes/block-content.pug
View File

@ -142,6 +142,10 @@ div(class="tab-content")
span(class="tag monospace") coinbase
span(class="monospace") Newly minted coins
td(class="monospace") #{utils.formatCurrencyAmount(utils.getBlockReward(result.getblock.height), currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(utils.getBlockReward(result.getblock.height)))
i(class="fas fa-exchange-alt")
each txInput, txInputIndex in result.txInputsByTransaction[tx.txid]
if (txInput)
@ -161,6 +165,10 @@ div(class="tab-content")
if (vout.value)
- totalInputValue = totalInputValue.plus(new Decimal(vout.value));
span(class="monospace") #{utils.formatCurrencyAmount(vout.value, currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(vout.value))
i(class="fas fa-exchange-alt")
- var coinbaseCount = tx.vin[0].coinbase ? 1 : 0;
if ((tx.vin.length - coinbaseCount) > result.txInputsByTransaction[tx.txid].length)
@ -175,6 +183,10 @@ div(class="tab-content")
td
td
strong(class="monospace") #{utils.formatCurrencyAmount(totalInputValue, currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(totalInputValue))
i(class="fas fa-exchange-alt")
div(class="col-md-6")
@ -206,6 +218,11 @@ div(class="tab-content")
span(class="monospace text-muted") #{utils.hex2ascii(vout.scriptPubKey.asm.substring("OP_RETURN ".length))}
td
span(class="monospace") #{utils.formatCurrencyAmount(vout.value, currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(vout.value))
i(class="fas fa-exchange-alt")
- totalOutputValue = totalOutputValue.plus(vout.value);
tr
@ -213,6 +230,10 @@ div(class="tab-content")
td
td
strong(class="monospace") #{utils.formatCurrencyAmount(totalOutputValue, currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(totalOutputValue))
i(class="fas fa-exchange-alt")
//pre
// code #{JSON.stringify(tx, null, 4)}

31
views/transaction.pug
View File

@ -116,12 +116,21 @@ block content
if (result.getrawtransaction.vin[0].coinbase)
tr
th(class="table-active properties-header") Total Network Fees
td(class="monospace") #{utils.formatCurrencyAmount(new Decimal(totalOutputValue).minus(totalInputValue), currencyFormatType)} (#{global.exchangeRate})
td(class="monospace")
span #{utils.formatCurrencyAmount(new Decimal(totalOutputValue).minus(totalInputValue), currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(new Decimal(totalOutputValue).minus(totalInputValue)))
i(class="fas fa-exchange-alt")
else
tr
th(class="table-active properties-header") Network Fee Paid
td(class="monospace")
strong #{utils.formatCurrencyAmount(new Decimal(totalInputValue).minus(totalOutputValue), currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(new Decimal(totalInputValue).minus(totalOutputValue)))
i(class="fas fa-exchange-alt")
span(class="text-muted") (#{utils.formatCurrencyAmount(totalInputValue, currencyFormatType)} - #{utils.formatCurrencyAmount(totalOutputValue, currencyFormatType)})
br
span ~#{new DecimalRounded(totalInputValue).minus(totalOutputValue).dividedBy(result.getrawtransaction.size).times(100000000)} sat/B
@ -165,6 +174,10 @@ block content
span(class="tag monospace") coinbase
span(class="monospace") Newly minted coins
td(class="monospace") #{utils.formatCurrencyAmount(utils.getBlockReward(result.getblock.height), currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(utils.getBlockReward(result.getblock.height)))
i(class="fas fa-exchange-alt")
each txInput, txInputIndex in result.txInputs
if (txInput)
@ -183,12 +196,20 @@ block content
td
if (vout.value)
span(class="monospace") #{utils.formatCurrencyAmount(vout.value, currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(vout.value))
i(class="fas fa-exchange-alt")
tr
td
td
td
strong(class="monospace") #{utils.formatCurrencyAmount(totalInputValue, currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(totalInputValue))
i(class="fas fa-exchange-alt")
div(class="col-md-6")
@ -218,12 +239,20 @@ block content
span(class="monospace text-muted") #{utils.hex2ascii(vout.scriptPubKey.asm.substring("OP_RETURN ".length))}
td
span(class="monospace") #{utils.formatCurrencyAmount(vout.value, currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(vout.value))
i(class="fas fa-exchange-alt")
tr
td
td
td
strong(class="monospace") #{utils.formatCurrencyAmount(totalOutputValue, currencyFormatType)}
if (global.exchangeRate)
span
span(data-toggle="tooltip", title=utils.formatExchangedCurrency(totalOutputValue))
i(class="fas fa-exchange-alt")
div(id="tab-scripts", class="tab-pane", role="tabpanel")
h3 Input Scripts

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