add fromString method for library consistency
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@ -18,6 +18,12 @@ var reversebuf = function(buf, nbuf) {
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}
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};
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bnjs.prototype.fromString = function(str) {
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var bn = bnjs(str);
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bn.copy(this);
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return this;
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};
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bnjs.fromBuffer = function(buf, opts) {
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if (typeof opts !== 'undefined' && opts.endian === 'little') {
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var nbuf = new Buffer(buf.length);
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22
test/bn.js
22
test/bn.js
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@ -66,7 +66,23 @@ describe('BN', function() {
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});
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describe('#fromBuffer', function() {
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describe('#fromString', function() {
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it('should make BN from a string', function() {
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BN().fromString('5').toString().should.equal('5');
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});
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});
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describe('#toString', function() {
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it('should make a string', function() {
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BN(5).toString().should.equal('5');
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});
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});
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describe('@fromBuffer', function() {
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it('should work with big endian', function() {
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var bn = BN.fromBuffer(new Buffer('0001', 'hex'), {endian: 'big'});
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@ -83,6 +99,10 @@ describe('BN', function() {
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bn.toString().should.equal('1');
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});
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});
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describe('#fromBuffer', function() {
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it('should work as a prototype method', function() {
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var bn = BN().fromBuffer(new Buffer('0100', 'hex'), {size: 2, endian: 'little'});
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bn.toString().should.equal('1');
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