144 lines
3.3 KiB
JavaScript
144 lines
3.3 KiB
JavaScript
var bcoin = require('bcoin');
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var constants = bcoin.protocol.constants;
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var network = bcoin.protocol.network;
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var utils = bcoin.utils;
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var bn = require('bn.js');
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function createGenesisBlock(options) {
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var parser = bcoin.protocol.parser;
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var tx, block, txRaw, blockRaw;
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if (!options.flags) {
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options.flags = new Buffer(
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'The Times 03/Jan/2009 Chancellor on brink of second bailout for banks',
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'ascii');
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}
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if (!options.script) {
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options.script = {
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code: [
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new Buffer('04678afdb0fe5548271967f1a67130b7105cd6a828e039'
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+ '09a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c3'
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+ '84df7ba0b8d578a4c702b6bf11d5f', 'hex'),
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constants.opcodes.OP_CHECKSIG
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]
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};
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}
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if (!options.reward)
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options.reward = 50 * constants.COIN;
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tx = {
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version: 1,
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flag: 1,
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inputs: [{
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prevout: {
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hash: constants.NULL_HASH,
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index: 0xffffffff
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},
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script: {
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code: [
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new bn(486604799).toBuffer('le'),
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new bn(4).toBuffer('le'),
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options.flags
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]
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},
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sequence: 0xffffffff
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}],
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outputs: [{
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value: options.reward,
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script: options.script
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}],
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locktime: 0
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};
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tx.inputs[0].script.code[1].opcode = 1;
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txRaw = bcoin.protocol.framer.tx(tx);
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tx._raw = txRaw;
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tx._size = txRaw.length;
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tx._witnessSize = 0;
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block = {
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version: options.version,
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prevBlock: constants.NULL_HASH,
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merkleRoot: utils.dsha256(txRaw).toString('hex'),
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ts: options.ts,
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bits: options.bits,
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nonce: options.nonce,
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txs: [tx]
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};
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blockRaw = bcoin.protocol.framer.block(block);
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block = parser.parseBlock(blockRaw);
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block._hash = utils.dsha256(blockRaw.slice(0, 80));
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block.hash = block._hash.toString('hex');
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block._raw = blockRaw;
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block._size = blockRaw.length;
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block._witnessSize = 0;
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block.height = 0;
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tx = block.txs[0];
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tx.height = 0;
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tx.ts = block.ts;
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tx._hash = block.merkleRoot;
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tx.hash = tx._hash.toString('hex');
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return block;
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}
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var main = createGenesisBlock({
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version: 1,
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ts: 1231006505,
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bits: 486604799,
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nonce: 2083236893
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});
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var testnet = createGenesisBlock({
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version: 1,
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ts: 1296688602,
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bits: 486604799,
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nonce: 414098458
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});
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var regtest = createGenesisBlock({
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version: 1,
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ts: 1296688602,
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bits: 545259519,
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nonce: 2
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});
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var segnet3 = createGenesisBlock({
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version: 1,
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ts: 1452831101,
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bits: 0x1d00ffff,
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nonce: 0
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});
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var segnet4 = createGenesisBlock({
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version: 1,
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ts: 1452831101,
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bits: utils.toCompact(network.segnet4.pow.limit),
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nonce: 0
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});
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utils.print(main);
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utils.print(testnet);
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utils.print(regtest);
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utils.print(segnet3);
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utils.print('main hash: %s', utils.revHex(main.hash));
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utils.print('main raw: %s', main._raw.toString('hex'));
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utils.print('');
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utils.print('testnet hash: %s', utils.revHex(testnet.hash));
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utils.print('testnet raw: %s', testnet._raw.toString('hex'));
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utils.print('');
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utils.print('regtest hash: %s', utils.revHex(regtest.hash));
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utils.print('regtest raw: %s', regtest._raw.toString('hex'));
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utils.print('segnet3 hash: %s', utils.revHex(segnet3.hash));
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utils.print('segnet3 raw: %s', segnet3._raw.toString('hex'));
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utils.print('segnet4 hash: %s', utils.revHex(segnet4.hash));
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utils.print('segnet4 raw: %s', segnet4._raw.toString('hex'));
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utils.print(segnet4);
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