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Add fee calculation based on load.

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This commit is contained in:
Stefan Thomas
2013-07-23 20:59:14 -07:00
parent 0d00a30d19
commit 6bc2493d8d
2 changed files with 54 additions and 12 deletions
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34
src/js/ripple/remote.js
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@@ -288,6 +288,7 @@ Request.prototype.books = function (books, snapshot) {
websocket_ssl
trace
maxListeners
fee_cushion : Extra fee multiplier to account for async fee changes.
Events:
'connect'
@@ -319,6 +320,8 @@ function Remote(opts, trace) {
this.local_fee = opts.local_fee; // Locally set fees
this.local_signing = (typeof opts.local_signing === 'undefined')
? true : opts.local_signing;
this.fee_cushion = (typeof opts.fee_cushion === 'undefined')
? 1.05 : opts.fee_cushion;
this.id = 0;
this.trace = opts.trace || trace;
@@ -1434,6 +1437,37 @@ Remote.prototype.transaction = function () {
return new Transaction(this);
};
/**
* Get the current recommended transaction fee unit.
*
* Multiply this value with the number of fee units in order to calculate the
* recommended fee for the transaction you are trying to submit.
*
* @return {Number} Recommended amount for one fee unit.
*/
Remote.prototype.fee_tx = function ()
{
var fee_unit = this._fee_base / this._fee_ref;
// Apply load fees
fee_unit *= this._load_factor / this._load_base;
// Apply fee cushion (a safety margin in case fees rise since we were last updated
fee_unit *= this.fee_cushion;
return fee_unit;
};
/**
* Get the current recommended reserve base.
*
* Returns the base reserve with load fees and safety margin applied.
*/
Remote.prototype.fee_reserve_base = function ()
{
// XXX
};
exports.Remote = Remote;
// vim:sw=2:sts=2:ts=8:et