fcoin/test/script-test.js
2015-12-17 16:06:08 -08:00

90 lines
3.1 KiB
JavaScript

var assert = require('assert');
var bcoin = require('../');
describe('Script', function() {
it('should encode/decode script', function() {
var src = '20' +
'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f' +
'20' +
'101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f' +
'ac';
var decoded = bcoin.script.decode(bcoin.utils.toArray(src, 'hex'));
assert.equal(decoded.length, 3);
assert.equal(
bcoin.utils.toHex(decoded[0]),
'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f');
assert.equal(
bcoin.utils.toHex(decoded[1]),
'101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f');
assert.equal(decoded[2], 'checksig');
var dst = bcoin.script.encode(decoded);
assert.equal(bcoin.utils.toHex(dst), src);
});
it('should encode/decode numbers', function() {
var script = [ [], 1, 2, 16 ];
var encoded = bcoin.script.encode(script);
assert.deepEqual(encoded, [ 0, 0x51, 0x52, 0x60 ]);
var decoded = bcoin.script.decode(encoded);
assert.deepEqual(decoded, script);
});
it('should recognize a P2SH output', function () {
var hex = 'a91419a7d869032368fd1f1e26e5e73a4ad0e474960e87'
var encoded = bcoin.utils.toArray(hex, 'hex')
var decoded = bcoin.script.decode(encoded);
assert(bcoin.script.isScripthash(decoded))
})
it('should recognize a Null Data output', function () {
var hex = '6a28590c080112220a1b353930632e6f7267282a5f5e294f7665726c6179404f7261636c65103b1a010c'
var encoded = bcoin.utils.toArray(hex, 'hex')
var decoded = bcoin.script.decode(encoded);
assert(bcoin.script.isColored(decoded))
})
it('should handle if statements correctly', function () {
var inputScript = [1, 2];
var prevOutScript = [2, 'eq', 'if_', 3, 'else_', 4, 'endif', 5];
var stack = [];
bcoin.script.execute(inputScript, stack);
var res = bcoin.script.execute(prevOutScript, stack);
assert(res);
assert.deepEqual(stack.slice(), [[1], [3], [5]]);
var inputScript = [1, 2];
var prevOutScript = [9, 'eq', 'if_', 3, 'else_', 4, 'endif', 5];
var stack = [];
bcoin.script.execute(inputScript, stack);
var res = bcoin.script.execute(prevOutScript, stack);
assert(res);
assert.deepEqual(stack.slice(), [[1], [4], [5]]);
var inputScript = [1, 2];
var prevOutScript = [2, 'eq', 'if_', 3, 'endif', 5];
var stack = [];
bcoin.script.execute(inputScript, stack);
var res = bcoin.script.execute(prevOutScript, stack);
assert(res);
assert.deepEqual(stack.slice(), [[1], [3], [5]]);
var inputScript = [1, 2];
var prevOutScript = [9, 'eq', 'if_', 3, 'endif', 5];
var stack = [];
bcoin.script.execute(inputScript, stack);
var res = bcoin.script.execute(prevOutScript, stack);
assert(res);
assert.deepEqual(stack.slice(), [[1], [5]]);
var inputScript = [1, 2];
var prevOutScript = [9, 'eq', 'notif', 3, 'endif', 5];
var stack = [];
bcoin.script.execute(inputScript, stack);
var res = bcoin.script.execute(prevOutScript, stack);
assert(res);
assert.deepEqual(stack.slice(), [[1], [3], [5]]);
})
});