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fee calculation.

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This commit is contained in:
Christopher Jeffrey 2016-03-31 04:47:41 -07:00
parent af4e9921b9
commit 399052d95a
2 changed files with 17 additions and 4 deletions
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7
lib/bcoin/mtx.js
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@ -875,16 +875,15 @@ MTX.prototype.selectCoins = function selectCoins(coins, options) {
size = tx.maxSize(options.m, options.n); size = tx.maxSize(options.m, options.n);
if (options.free) { if (options.free) {
if (newkb == null && tx.isFree(null, size)) { if (tx.isFree(null, size)) {
fee = new bn(0); fee = new bn(0);
break; break;
} }
options.free = false;
} }
if (options.accurate) { if (options.accurate) {
newkb = size / 1024; fee = tx.getMinFee(size);
fee = new bn(newkb * minFee | 0);
totalkb = newkb;
} else { } else {
newkb = Math.ceil(size / 1024) - totalkb; newkb = Math.ceil(size / 1024) - totalkb;
fee.iaddn(newkb * minFee); fee.iaddn(newkb * minFee);

14
lib/bcoin/tx.js
View File

@ -1066,6 +1066,20 @@ TX.prototype.getMinFee = function getMinFee(size) {
return fee; return fee;
}; };
TX.prototype.getMaxFee = function getMaxFee(size) {
var fee;
if (size == null)
size = this.maxSize();
fee = new bn(constants.tx.minFee).muln(Math.ceil(size / 1000));
if (fee.cmpn(0) === 0 && constants.tx.minFee > 0)
fee = new bn(constants.tx.minFee);
return fee;
};
TX.prototype.getConfirmations = function getConfirmations(height) { TX.prototype.getConfirmations = function getConfirmations(height) {
if (height == null) if (height == null)
height = network.height; height = network.height;