42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
var bn = require('bn.js');
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var bcoin = require('../')('main');
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var assert = require('assert');
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var utils = bcoin.utils;
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describe('Utils', function() {
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it('should encode/decode base58', function() {
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var arr = new Buffer([ 0, 0, 0, 0xde, 0xad, 0xbe, 0xef ]);
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var b = utils.toBase58(arr);
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assert.equal(b, '1116h8cQN');
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assert.deepEqual(utils.fromBase58(b), arr);
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});
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it('should translate bits to target', function() {
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var bits = 0x1900896c;
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var hash = new Buffer(
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'672b3f1bb11a994267ea4171069ba0aa4448a840f38e8f340000000000000000',
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'hex'
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);
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var target = utils.fromCompact(bits);
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assert(utils.testTarget(target, hash));
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});
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it('should convert satoshi to btc', function() {
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var btc = utils.btc(new bn(5460));
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assert.equal(btc, '0.0000546');
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btc = utils.btc(new bn(54678).mul(new bn(1000000)));
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assert.equal(btc, '546.78');
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btc = utils.btc(new bn(5460).mul(new bn(10000000)));
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assert.equal(btc, '546.0');
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});
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it('should convert btc to satoshi', function() {
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var btc = utils.satoshi('0.0000546');
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assert(btc.cmp(new bn(5460)) === 0);
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btc = utils.satoshi('546.78');
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assert(btc.cmp(new bn(54678).mul(new bn(1000000))) === 0);
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btc = utils.satoshi('546.0');
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assert(btc.cmp(new bn(5460).mul(new bn(10000000))) === 0);
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});
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});
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