Block.prototype.abbr = function abbr() {
var res = new Array(80);
utils.writeU32(res, this.version, 0);
utils.copy(utils.toArray(this.prevBlock, 'hex'), res, 4);
utils.copy(utils.toArray(this.merkleRoot, 'hex'), res, 36);
utils.writeU32(res, this.ts, 68);
utils.writeU32(res, this.bits, 72);
utils.writeU32(res, this.nonce, 76);
return res;
};
it('should encode/decode script', function() {
var src = '20' + '000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f' + '20' + '101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f' + 'ac';
var decoded = script.decode(utils.toArray(src, 'hex'));
assert.equal(decoded.length, 3);
assert.equal(
utils.toHex(decoded[0]), '000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f');
assert.equal(
utils.toHex(decoded[1]), '101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f');
assert.equal(decoded[2], 'OP_CHECKSIG');
var dst = script.encode(decoded);
assert.equal(utils.toHex(dst), src);
});
Block.fromJSON = function fromJSON(network, json) {
utils.assert.equal(json.v, 1);
utils.assert.equal(json.type, 'block');
var raw = utils.toArray(json.block, 'hex');
var parser = new protocol.parser(network);
var data = json.subtype === 'merkleblock' ? parser.parseMerkleBlock(raw) : parser.parseBlock(raw);
var block = new Block(network, data, json.subtype);
block._hash = json.hash;
return block;
};
Block.prototype.hash = function hash(enc) {
// Hash it
if (!this._hash) this._hash = utils.toHex(utils.dsha256(this.abbr()));
return enc === 'hex' ? this._hash : utils.toArray(this._hash, 'hex');
};