Wrapped Bitcoin and Base58 in platform-neutral closures.
This commit is contained in:
Stefan Thomas
parent
fa97237a96
commit
7715c41925
2 changed files with 146 additions and 133 deletions
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@ -1,5 +1,5 @@
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(function () {
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var B58 = Bitcoin.Base58 = {
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(function (Bitcoin) {
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Bitcoin.Base58 = {
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alphabet: "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz",
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base: BigInteger.valueOf(58),
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@ -61,4 +61,8 @@
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return bytes;
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}
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};
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})();
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var B58 = Bitcoin.Base58;
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})(
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'undefined' != typeof Bitcoin ? Bitcoin : module.exports
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);
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269
src/bitcoin.js
269
src/bitcoin.js
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@ -1,69 +1,77 @@
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var Bitcoin = {};
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(function (exports) {
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var Bitcoin = exports;
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if ('object' !== typeof module) {
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Bitcoin.EventEmitter = EventEmitter;
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}
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})(
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'object' === typeof module ? module.exports : (window.Bitcoin = {})
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);
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function makeKeypair()
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{
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// Generate private key
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var n = ecparams.getN();
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var n1 = n.subtract(BigInteger.ONE);
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var r = new BigInteger(n.bitLength(), rng);
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var privateKey = r.mod(n1).add(BigInteger.ONE);
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// Generate public key
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var G = ecparams.getG();
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var publicPoint = G.multiply(privateKey);
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/*
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function makeKeypair()
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{
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// Generate private key
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var n = ecparams.getN();
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var n1 = n.subtract(BigInteger.ONE);
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var r = new BigInteger(n.bitLength(), rng);
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var privateKey = r.mod(n1).add(BigInteger.ONE);
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// Generate public key
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var G = ecparams.getG();
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var publicPoint = G.multiply(privateKey);
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return {priv: privateKey, pubkey: publicPoint};
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};
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return {priv: privateKey, pubkey: publicPoint};
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};
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function serializeTransaction(tx)
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{
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var buffer = [];
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buffer = buffer.concat(Crypto.util.wordsToBytes([parseInt(tx.version)]));
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buffer = buffer.concat(numToVarInt(tx.ins.length));
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for (var i = 0; i < tx.ins.length; i++) {
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var txin = tx.ins[i];
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buffer = buffer.concat(Crypto.util.base64ToBytes(txin.outpoint.hash));
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buffer = buffer.concat(Crypto.util.wordsToBytes([parseInt(txin.index)]));
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var scriptBytes = Crypto.util.base64ToBytes(txin.script);
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buffer = buffer.concat(numToVarInt(scriptBytes.length));
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buffer = buffer.concat(scriptBytes);
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buffer = buffer.concat(Crypto.util.wordsToBytes([parseInt(txin.sequence)]));
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}
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buffer = buffer.concat(numToVarInt(tx.outs.length));
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for (var i = 0; i < tx.outs.length; i++) {
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var txout = tx.outs[i];
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var valueHex = (new BigInteger(txout.value, 10)).toString(16);
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while (valueHex.length < 16) valueHex = "0" + valueHex;
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buffer = buffer.concat(Crypto.util.hexToBytes(valueHex));
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var scriptBytes = Crypto.util.base64ToBytes(txout.script);
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buffer = buffer.concat(numToVarInt(scriptBytes.length));
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buffer = buffer.concat(scriptBytes);
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}
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buffer = buffer.concat(Crypto.util.wordsToBytes([parseInt(tx.lock_time)]));
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return buffer;
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};
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function serializeTransaction(tx)
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{
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var buffer = [];
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buffer = buffer.concat(Crypto.util.wordsToBytes([parseInt(tx.version)]));
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buffer = buffer.concat(numToVarInt(tx.ins.length));
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for (var i = 0; i < tx.ins.length; i++) {
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var txin = tx.ins[i];
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buffer = buffer.concat(Crypto.util.base64ToBytes(txin.outpoint.hash));
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buffer = buffer.concat(Crypto.util.wordsToBytes([parseInt(txin.index)]));
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var scriptBytes = Crypto.util.base64ToBytes(txin.script);
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buffer = buffer.concat(numToVarInt(scriptBytes.length));
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buffer = buffer.concat(scriptBytes);
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buffer = buffer.concat(Crypto.util.wordsToBytes([parseInt(txin.sequence)]));
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}
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buffer = buffer.concat(numToVarInt(tx.outs.length));
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for (var i = 0; i < tx.outs.length; i++) {
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var txout = tx.outs[i];
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var valueHex = (new BigInteger(txout.value, 10)).toString(16);
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while (valueHex.length < 16) valueHex = "0" + valueHex;
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buffer = buffer.concat(Crypto.util.hexToBytes(valueHex));
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var scriptBytes = Crypto.util.base64ToBytes(txout.script);
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buffer = buffer.concat(numToVarInt(scriptBytes.length));
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buffer = buffer.concat(scriptBytes);
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}
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buffer = buffer.concat(Crypto.util.wordsToBytes([parseInt(tx.lock_time)]));
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return buffer;
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};
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var OP_CODESEPARATOR = 171;
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var OP_CODESEPARATOR = 171;
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var SIGHASH_ALL = 1;
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var SIGHASH_NONE = 2;
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var SIGHASH_SINGLE = 3;
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var SIGHASH_ANYONECANPAY = 80;
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var SIGHASH_ALL = 1;
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var SIGHASH_NONE = 2;
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var SIGHASH_SINGLE = 3;
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var SIGHASH_ANYONECANPAY = 80;
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function hashTransactionForSignature(scriptCode, tx, inIndex, hashType)
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{
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// TODO: We need to actually deep copy here
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var txTmp = tx;
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function hashTransactionForSignature(scriptCode, tx, inIndex, hashType)
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{
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// TODO: We need to actually deep copy here
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var txTmp = tx;
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// In case concatenating two scripts ends up with two codeseparators,
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// In case concatenating two scripts ends up with two codeseparators,
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// or an extra one at the end, this prevents all those possible incompatibilities.
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scriptCode = scriptCode.filter(function (val) {
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return val !== OP_CODESEPARATOR;
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});
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scriptCode = scriptCode.filter(function (val) {
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return val !== OP_CODESEPARATOR;
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});
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// Blank out other inputs' signatures
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for (var i = 0; i < txTmp.ins.length; i++) {
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txTmp.ins[i].script = Crypto.util.bytesToBase64([]);
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@ -74,93 +82,94 @@ function hashTransactionForSignature(scriptCode, tx, inIndex, hashType)
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if ((hashType & 0x1f) == SIGHASH_NONE) {
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txTmp.outs = [];
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// Let the others update at will
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for (var i = 0; i < txTmp.ins.length; i++)
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if (i != inIndex)
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txTmp.ins[i].sequence = 0;
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// Let the others update at will
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for (var i = 0; i < txTmp.ins.length; i++)
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if (i != inIndex)
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txTmp.ins[i].sequence = 0;
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} else if ((hashType & 0x1f) == SIGHASH_SINGLE) {
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// TODO: Implement
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// TODO: Implement
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}
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// Blank out other inputs completely, not recommended for open transactions
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if (hashType & SIGHASH_ANYONECANPAY) {
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txTmp.ins = [txTmp.ins[inIndex]];
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txTmp.ins = [txTmp.ins[inIndex]];
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}
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var buffer = serializeTransaction(txTmp);
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buffer.concat(Crypto.util.wordsToBytes([parseInt(hashType)]));
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var buffer = serializeTransaction(txTmp);
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buffer.concat(Crypto.util.wordsToBytes([parseInt(hashType)]));
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console.log(buffer);
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return Crypto.SHA256(Crypto.SHA256(buffer, {asBytes: true}), {asBytes: true});
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};
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console.log(buffer);
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return Crypto.SHA256(Crypto.SHA256(buffer, {asBytes: true}), {asBytes: true});
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};
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function verifyTransactionSignature(tx) {
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var hash = hashTransactionForSignature([], tx, 0, 0);
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return Crypto.util.bytesToHex(hash);
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};
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function verifyTransactionSignature(tx) {
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var hash = hashTransactionForSignature([], tx, 0, 0);
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return Crypto.util.bytesToHex(hash);
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};
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function numToVarInt(i)
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{
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// TODO: THIS IS TOTALLY UNTESTED!
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if (i < 0xfd) {
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// unsigned char
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return [i];
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} else if (i <= 1<<16) {
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// unsigned short (LE)
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return [0xfd, i >>> 8, i & 255];
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} else if (i <= 1<<32) {
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// unsigned int (LE)
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return [0xfe].concat(Crypto.util.wordsToBytes([i]));
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function numToVarInt(i)
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{
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// TODO: THIS IS TOTALLY UNTESTED!
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if (i < 0xfd) {
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// unsigned char
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return [i];
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} else if (i <= 1<<16) {
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// unsigned short (LE)
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return [0xfd, i >>> 8, i & 255];
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} else if (i <= 1<<32) {
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// unsigned int (LE)
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return [0xfe].concat(Crypto.util.wordsToBytes([i]));
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} else {
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// unsigned long long (LE)
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return [0xff].concat(Crypto.util.wordsToBytes([i >>> 32, i]));
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// unsigned long long (LE)
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return [0xff].concat(Crypto.util.wordsToBytes([i >>> 32, i]));
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}
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};
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};
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var testTx = {
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"version":"1",
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"lock_time":"0",
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"block": {
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"hash":"N/A",
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"height":115806
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},
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"index":6,
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"hash":"WUFzjKubG1kqfJWMb4qZdlhU2F3l5NGXN7AUg8Jwl14=",
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"ins":[{
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"outpoint":{
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"hash":"nqcbMM1oRhfLdZga11q7x0CpUMujm+vtxHXO9V0gnwE=",
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"index":0
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},
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"script":"RzBEAiB2XXkx1pca9SlfCmCGNUVf+h2sAFBttcxG1VnypIcvEgIgXrOp7LSdYBYp3nPsQAz8BOLD3K4pAlXfZImP1rkzk2EBQQRi7NcODzNfnVqLtG79Axp5UF6EhFIhCmzqKqssfKpfCIOmzCuXEeDFUFvFzeGLJx5N+wp2qRS1TqYezGD3yERk",
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"sequence":4294967295
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}],
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"outs":[{
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"value":"3000000000",
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"script":"dqkUBLZwqhAPRVgZvwI8MN5gLHbU8NOIrA=="
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},{
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"value":"25937000000",
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"script":"dqkUQ82gJ0O5vOBg6yK5/yorLLV5zLKIrA=="
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}]
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};
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var testTx = {
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"version":"1",
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"lock_time":"0",
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"block": {
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"hash":"N/A",
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"height":115806
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},
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"index":6,
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"hash":"WUFzjKubG1kqfJWMb4qZdlhU2F3l5NGXN7AUg8Jwl14=",
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"ins":[{
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"outpoint":{
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"hash":"nqcbMM1oRhfLdZga11q7x0CpUMujm+vtxHXO9V0gnwE=",
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"index":0
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},
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"script":"RzBEAiB2XXkx1pca9SlfCmCGNUVf+h2sAFBttcxG1VnypIcvEgIgXrOp7LSdYBYp3nPsQAz8BOLD3K4pAlXfZImP1rkzk2EBQQRi7NcODzNfnVqLtG79Axp5UF6EhFIhCmzqKqssfKpfCIOmzCuXEeDFUFvFzeGLJx5N+wp2qRS1TqYezGD3yERk",
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"sequence":4294967295
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}],
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"outs":[{
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"value":"3000000000",
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"script":"dqkUBLZwqhAPRVgZvwI8MN5gLHbU8NOIrA=="
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},{
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"value":"25937000000",
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"script":"dqkUQ82gJ0O5vOBg6yK5/yorLLV5zLKIrA=="
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}]
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};
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/* TODO: Make this stuff into test cases ;)
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$(function () {
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var key = new Bitcoin.ECKey(Crypto.util.hexToBytes("5c0b98e524ad188ddef35dc6abba13c34a351a05409e5d285403718b93336a4a"));
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key = new Bitcoin.ECKey(Crypto.util.hexToBytes("180cb41c7c600be951b5d3d0a7334acc7506173875834f7a6c4c786a28fcbb19"));
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//console.log(key.getBitcoinAddress().toString());
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//var message = Crypto.util.hexToBytes("2aec28d323ee7b06a799d540d224b351161fe48967174ca5e43164e86137da11");
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//message = [0];
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//var out = key.sign(message);
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//console.log("pubkey: "+Crypto.util.bytesToHex(key.getPub()));
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//console.log("sig: "+Crypto.util.bytesToHex(out));
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TODO: Make this stuff into test cases ;)
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$(function () {
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var key = new Bitcoin.ECKey(Crypto.util.hexToBytes("5c0b98e524ad188ddef35dc6abba13c34a351a05409e5d285403718b93336a4a"));
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key = new Bitcoin.ECKey(Crypto.util.hexToBytes("180cb41c7c600be951b5d3d0a7334acc7506173875834f7a6c4c786a28fcbb19"));
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//console.log(key.getBitcoinAddress().toString());
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//var message = Crypto.util.hexToBytes("2aec28d323ee7b06a799d540d224b351161fe48967174ca5e43164e86137da11");
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//message = [0];
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//var out = key.sign(message);
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//console.log("pubkey: "+Crypto.util.bytesToHex(key.getPub()));
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//console.log("sig: "+Crypto.util.bytesToHex(out));
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//console.log(key.verify(message, out));
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//console.log(key.verify(message, out));
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//console.log(Bitcoin.ECDSA.verify(message, Crypto.util.hexToBytes("3046022100dffbc26774fc841bbe1c1362fd643609c6e42dcb274763476d87af2c0597e89e022100c59e3c13b96b316cae9fa0ab0260612c7a133a6fe2b3445b6bf80b3123bf274d"), Crypto.util.hexToBytes("0401de173aa944eacf7e44e5073baca93fb34fe4b7897a1c82c92dfdc8a1f75ef58cd1b06e8052096980cb6e1ad6d3df143c34b3d7394bae2782a4df570554c2fb")));
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//console.log(Bitcoin.ECDSA.verify(message, Crypto.util.hexToBytes("3046022100dffbc26774fc841bbe1c1362fd643609c6e42dcb274763476d87af2c0597e89e022100c59e3c13b96b316cae9fa0ab0260612c7a133a6fe2b3445b6bf80b3123bf274d"), Crypto.util.hexToBytes("0401de173aa944eacf7e44e5073baca93fb34fe4b7897a1c82c92dfdc8a1f75ef58cd1b06e8052096980cb6e1ad6d3df143c34b3d7394bae2782a4df570554c2fb")));
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//console.log(Bitcoin.ECDSA.verify(Crypto.util.hexToBytes("230aba77ccde46bb17fcb0295a92c0cc42a6ea9f439aaadeb0094625f49e6ed8"), Crypto.util.hexToBytes("3046022100a3ee5408f0003d8ef00ff2e0537f54ba09771626ff70dca1f01296b05c510e85022100d4dc70a5bb50685b65833a97e536909a6951dd247a2fdbde6688c33ba6d6407501"),Crypto.util.hexToBytes("04a19c1f07c7a0868d86dbb37510305843cc730eb3bea8a99d92131f44950cecd923788419bfef2f635fad621d753f30d4b4b63b29da44b4f3d92db974537ad5a4")));
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//console.log(Bitcoin.ECDSA.verify(Crypto.util.hexToBytes("c2c75bb77d7a5acddceb1d45ceef58e7451fd0d3abc9d4c16df7848eefafe00d"), Crypto.util.hexToBytes("3045022100ff9362dadcbf1f6ef954bc8eb27144bbb4f49abd32be1eb04c311151dcf4bcf802205112c2ca6a25aefb8be98bf460c5a9056c01253f31e118d80b81ec9604e3201a01"),Crypto.util.hexToBytes("04fe62ce7892ec209310c176ef7f06565865e286e8699e884603657efa9aa51086785099d544d4e04f1f7b4b065205c1783fade8daf4ba1e0d1962292e8eb722cd")));
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});
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//*/
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//console.log(Bitcoin.ECDSA.verify(Crypto.util.hexToBytes("230aba77ccde46bb17fcb0295a92c0cc42a6ea9f439aaadeb0094625f49e6ed8"), Crypto.util.hexToBytes("3046022100a3ee5408f0003d8ef00ff2e0537f54ba09771626ff70dca1f01296b05c510e85022100d4dc70a5bb50685b65833a97e536909a6951dd247a2fdbde6688c33ba6d6407501"),Crypto.util.hexToBytes("04a19c1f07c7a0868d86dbb37510305843cc730eb3bea8a99d92131f44950cecd923788419bfef2f635fad621d753f30d4b4b63b29da44b4f3d92db974537ad5a4")));
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//console.log(Bitcoin.ECDSA.verify(Crypto.util.hexToBytes("c2c75bb77d7a5acddceb1d45ceef58e7451fd0d3abc9d4c16df7848eefafe00d"), Crypto.util.hexToBytes("3045022100ff9362dadcbf1f6ef954bc8eb27144bbb4f49abd32be1eb04c311151dcf4bcf802205112c2ca6a25aefb8be98bf460c5a9056c01253f31e118d80b81ec9604e3201a01"),Crypto.util.hexToBytes("04fe62ce7892ec209310c176ef7f06565865e286e8699e884603657efa9aa51086785099d544d4e04f1f7b4b065205c1783fade8daf4ba1e0d1962292e8eb722cd")));
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});
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//
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*/
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