133 lines
3.9 KiB
JavaScript
133 lines
3.9 KiB
JavaScript
var assert = require('assert');
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var bcoin = require('../');
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var Script = bcoin.script;
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var Stack = bcoin.script.stack;
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var opcodes = bcoin.protocol.constants.opcodes;
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describe('Script', function() {
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it('should encode/decode script', function() {
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var src = '20' +
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'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f' +
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'20' +
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'101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f' +
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'ac';
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var decoded = bcoin.script.decode(new Buffer(src, 'hex'));
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assert.equal(decoded.length, 3);
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assert.equal(
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bcoin.utils.toHex(decoded[0]),
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'000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f');
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assert.equal(
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bcoin.utils.toHex(decoded[1]),
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'101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f');
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assert.equal(decoded[2], opcodes.OP_CHECKSIG);
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var dst = bcoin.script.encode(decoded);
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assert.equal(bcoin.utils.toHex(dst), src);
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});
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if (0)
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it('should encode/decode numbers', function() {
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var script = [ 0, 1, 2, 16 ];
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var encoded = bcoin.script.encode(script);
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assert.deepEqual(encoded, [ 0, 0x51, 0x52, 0x60 ]);
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var decoded = bcoin.script.decode(encoded);
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assert.deepEqual(decoded, script);
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});
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it('should recognize a P2SH output', function () {
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var hex = 'a91419a7d869032368fd1f1e26e5e73a4ad0e474960e87'
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var encoded = new Buffer(hex, 'hex')
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var decoded = new bcoin.script(encoded);
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assert(decoded.isScripthash())
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});
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it('should recognize a Null Data output', function () {
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var hex = '6a28590c080112220a1b353930632e6f7267282a5f5e294f7665726c6179404f7261636c65103b1a010c'
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var encoded = new Buffer(hex, 'hex')
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var decoded = new Script(encoded);
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assert(decoded.isNulldata())
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});
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it('should handle if statements correctly', function () {
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var inputScript = new Script([opcodes.OP_1, opcodes.OP_2]);
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var prevOutScript = new Script([
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opcodes.OP_2,
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opcodes.OP_EQUAL,
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opcodes.OP_IF,
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opcodes.OP_3,
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opcodes.OP_ELSE,
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opcodes.OP_4,
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opcodes.OP_ENDIF,
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opcodes.OP_5
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]);
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var stack = new Stack();
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inputScript.execute(stack);
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var res = prevOutScript.execute(stack);
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assert(res);
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assert.deepEqual(stack.slice(), [[1], [3], [5]]);
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var inputScript = new Script([opcodes.OP_1, opcodes.OP_2]);
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var prevOutScript = new Script([
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opcodes.OP_9,
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opcodes.OP_EQUAL,
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opcodes.OP_IF,
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opcodes.OP_3,
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opcodes.OP_ELSE,
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opcodes.OP_4,
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opcodes.OP_ENDIF,
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opcodes.OP_5
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]);
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var stack = new Stack();
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inputScript.execute(stack);
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var res = prevOutScript.execute(stack);
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assert(res);
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assert.deepEqual(stack.slice(), [[1], [4], [5]]);
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var inputScript = new Script([opcodes.OP_1, opcodes.OP_2]);
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var prevOutScript = new Script([
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opcodes.OP_2,
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opcodes.OP_EQUAL,
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opcodes.OP_IF,
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opcodes.OP_3,
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opcodes.OP_ENDIF,
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opcodes.OP_5
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]);
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var stack = new Stack();
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inputScript.execute(stack);
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var res = prevOutScript.execute(stack);
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assert(res);
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assert.deepEqual(stack.slice(), [[1], [3], [5]]);
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var inputScript = new Script([opcodes.OP_1, opcodes.OP_2]);
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var prevOutScript = new Script([
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opcodes.OP_9,
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opcodes.OP_EQUAL,
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opcodes.OP_IF,
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opcodes.OP_3,
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opcodes.OP_ENDIF,
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opcodes.OP_5
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]);
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var stack = new Stack();
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inputScript.execute(stack);
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var res = prevOutScript.execute(stack);
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assert(res);
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assert.deepEqual(stack.slice(), [[1], [5]]);
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var inputScript = new Script([opcodes.OP_1, opcodes.OP_2]);
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var prevOutScript = new Script([
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opcodes.OP_9,
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opcodes.OP_EQUAL,
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opcodes.OP_NOTIF,
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opcodes.OP_3,
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opcodes.OP_ENDIF,
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opcodes.OP_5
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]);
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var stack = new Stack();
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inputScript.execute(stack);
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var res = prevOutScript.execute(stack);
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assert(res);
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assert.deepEqual(stack.slice(), [[1], [3], [5]]);
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});
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});
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