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bitcore-node-zcash
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add getHash for txs and blocks.

This commit is contained in:
Christopher Jeffrey 2014-09-29 14:55:46 -07:00
parent 9fd6229221
commit 63f506b590
1 changed files with 61 additions and 2 deletions
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63
lib/bitcoind.js
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@ -5,6 +5,7 @@
*/
var net = require('net');
var crypto = require('crypto');
var EventEmitter = require('events').EventEmitter;
var bitcoindjs = require('../build/Release/bitcoindjs.node');
var util = require('util');
@ -334,6 +335,29 @@ Block.isBlock = function(block) {
return block._isBlock === Block._blockFlag;
};
Block.prototype.hash =
Block.prototype.getHash = function(enc) {
if (!this._hash) {
this._hash = utils.dsha256(this.rawHeader(), 'hex');
}
return enc === 'hex'
? this._hash
: utils.dsha256(this.rawHeader());
};
Block.prototype.rawHeader = function() {
var res = new Array(80);
utils.writeU32(res, this.version, 0);
utils.copy(utils.toArray(this.previousblockhash, 'hex'), res, 4);
utils.copy(utils.toArray(this.merkleroot, 'hex'), res, 36);
utils.writeU32(res, this.time, 68);
utils.writeU32(res, this.bits, 72);
utils.writeU32(res, this.nonce, 76);
return new Buffer(res);
};
Block.prototype.verify = function() {
return this.verified = this.verified || bitcoindjs.verifyBlock(this);
};
@ -512,8 +536,14 @@ Transaction.prototype.isNull = function() {
;
};
Transaction.prototype.getHash = function() {
;
Transaction.prototype.hash =
Transaction.prototype.getHash = function(enc) {
if (!this._hash) {
this._hash = utils.dsha256(this.toBinary(), 'hex');
}
return enc === 'hex'
? this._hash
: utils.dsha256(this.toBinary());
};
Transaction.prototype.getValueOut = function() {
@ -859,6 +889,33 @@ utils.varint = function(arr, value, off) {
}
};
utils.ripesha = function(data, enc) {
return utils.ripemd160(utils.sha256(data, enc));
};
utils.checksum = function(data, enc) {
var b = new Buffer(utils.toArray(utils.dsha256(data, enc)).slice(0, 4));
return enc ? b.toString(enc) : b;
};
utils.dsha256 = function(data, enc) {
return utils.sha256(utils.sha256(data, enc));
};
utils._hash = function(algo, data, enc) {
var hash = crypto.createHash(algo);
hash.update(data);
return hash.digest(enc);
};
utils.sha256 = function(data, enc) {
return utils._hash('sha256', data, enc);
};
utils.ripemd160 = function(data, enc) {
return utils._hash('ripemd160', data, enc);
};
utils.copy = function copy(src, dst, off, force) {
var len = src.length;
if (!force)
@ -869,6 +926,8 @@ utils.copy = function copy(src, dst, off, force) {
};
function toArray(msg, enc) {
if (Buffer.isBuffer(msg))
return Array.prototype.slice.call(msg);
if (Array.isArray(msg))
return msg.slice();
if (!msg)