it('should fail to parse >53 bit values', () => {
const [input] = createInput(Math.floor(consensus.MAX_MONEY / 2));
const tx = new TX({
version: 1,
inputs: [input],
outputs: [{
script: [],
value: 0xdeadbeef
}],
locktime: 0
});
let raw = tx.toRaw();
assert.strictEqual(encoding.readU64(raw, 47), 0xdeadbeef);
raw[54] = 0x7f;
assert.throws(() => TX.fromRaw(raw));
tx.outputs[0].value = 0;
tx.refresh();
raw = tx.toRaw();
assert.strictEqual(encoding.readU64(raw, 47), 0x00);
raw[54] = 0x80;
assert.throws(() => TX.fromRaw(raw));
});
function sizeScript(script) {
if (script.isPubkeyhash(true))
return 21;
if (script.isScripthash())
return 21;
const pk = script.getPubkey(true);
if (pk) {
if (publicKeyVerify(pk))
return 33;
}
let size = 0;
size += encoding.sizeVarint(script.raw.length + COMPRESS_TYPES);
size += script.raw.length;
return size;
}
function sizeOutput(output) {
let size = 0;
size += encoding.sizeVarint(output.value);
size += sizeScript(output.script);
return size;
}
it('should write/read new varints', () => {
/*
* 0: [0x00] 256: [0x81 0x00]
* 1: [0x01] 16383: [0xFE 0x7F]
* 127: [0x7F] 16384: [0xFF 0x00]
* 128: [0x80 0x00] 16511: [0x80 0xFF 0x7F]
* 255: [0x80 0x7F] 65535: [0x82 0xFD 0x7F]
* 2^32: [0x8E 0xFE 0xFE 0xFF 0x00]
*/
let b = Buffer.alloc(1, 0xff);
encoding.writeVarint2(b, 0, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 0);
assert.strictEqual(b.toString('hex'), '00');
b = Buffer.alloc(1, 0xff);
encoding.writeVarint2(b, 1, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 1);
assert.strictEqual(b.toString('hex'), '01');
b = Buffer.alloc(1, 0xff);
encoding.writeVarint2(b, 127, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 127);
assert.strictEqual(b.toString('hex'), '7f');
b = Buffer.alloc(2, 0xff);
encoding.writeVarint2(b, 128, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 128);
assert.strictEqual(b.toString('hex'), '8000');
b = Buffer.alloc(2, 0xff);
encoding.writeVarint2(b, 255, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 255);
assert.strictEqual(b.toString('hex'), '807f');
b = Buffer.alloc(2, 0xff);
encoding.writeVarint2(b, 16383, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 16383);
assert.strictEqual(b.toString('hex'), 'fe7f');
b = Buffer.alloc(2, 0xff);
encoding.writeVarint2(b, 16384, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 16384);
assert.strictEqual(b.toString('hex'), 'ff00');
b = Buffer.alloc(3, 0xff);
encoding.writeVarint2(b, 16511, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 16511);
assert.strictEqual(b.slice(0, 2).toString('hex'), 'ff7f');
// assert.strictEqual(b.toString('hex'), '80ff7f');
b = Buffer.alloc(3, 0xff);
encoding.writeVarint2(b, 65535, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 65535);
assert.strictEqual(b.toString('hex'), '82fe7f');
// assert.strictEqual(b.toString('hex'), '82fd7f');
b = Buffer.alloc(5, 0xff);
encoding.writeVarint2(b, Math.pow(2, 32), 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, Math.pow(2, 32));
assert.strictEqual(b.toString('hex'), '8efefeff00');
});