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Merge pull request #625 from maraoz/api/script 

new script API
This commit is contained in:
Esteban Ordano 2014-12-02 17:10:04 -03:00
parent 3fc12e87d7 ef8f1eabd2
commit 3233882c40
12 changed files with 489 additions and 225 deletions
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2
lib/address.js
View File

@ -227,7 +227,7 @@ Address._transformString = function(data, network, type){
* *
* Instantiate an address from a PublicKey instance * Instantiate an address from a PublicKey instance
* *
* @param {String} data - An instance of PublicKey * @param {PublicKey} data - An instance of PublicKey
* @param {String} network - The network: 'livenet' or 'testnet' * @param {String} network - The network: 'livenet' or 'testnet'
* @returns {Address} A new valid and frozen instance of an Address * @returns {Address} A new valid and frozen instance of an Address
*/ */

17
lib/opcode.js
View File

@ -1,8 +1,9 @@
'use strict'; 'use strict';
function Opcode(num) { function Opcode(num) {
if (!(this instanceof Opcode)) if (!(this instanceof Opcode)) {
return new Opcode(num); return new Opcode(num);
}
if (typeof num === 'number') { if (typeof num === 'number') {
this.num = num; this.num = num;
@ -39,8 +40,9 @@ Opcode.prototype.fromString = function(str) {
Opcode.prototype.toString = function() { Opcode.prototype.toString = function() {
var str = Opcode.reverseMap[this.num]; var str = Opcode.reverseMap[this.num];
if (typeof str === 'undefined') if (typeof str === 'undefined') {
throw new Error('Opcode does not have a string representation'); throw new Error('Opcode does not have a string representation');
}
return str; return str;
}; };
@ -191,4 +193,15 @@ for (var k in Opcode.map) {
} }
} }
/**
* @returns true if opcode is one of OP_0, OP_1, ..., OP_16
*/
Opcode.isSmallIntOp = function(opcode) {
if (opcode instanceof Opcode) {
opcode = opcode.toNumber();
}
return ((opcode === Opcode.map.OP_0) ||
((opcode >= Opcode.map.OP_1) && (opcode <= Opcode.map.OP_16)));
};
module.exports = Opcode; module.exports = Opcode;

397
lib/script.js
View File

@ -4,22 +4,19 @@ var BufferReader = require('./encoding/bufferreader');
var BufferWriter = require('./encoding/bufferwriter'); var BufferWriter = require('./encoding/bufferwriter');
var Opcode = require('./opcode'); var Opcode = require('./opcode');
var Script = function Script(buf) { var Script = function Script(from) {
if (!(this instanceof Script)) if (!(this instanceof Script)) {
return new Script(buf); return new Script(from);
}
this.chunks = []; this.chunks = [];
if (Buffer.isBuffer(buf)) { if (Buffer.isBuffer(from)) {
this.fromBuffer(buf); return Script.fromBuffer(from);
} } else if (typeof from === 'string') {
else if (typeof buf === 'string') { return Script.fromString(from);
var str = buf; } else if (typeof from !== 'undefined') {
this.fromString(str); this.set(from);
}
else if (typeof buf !== 'undefined') {
var obj = buf;
this.set(obj);
} }
}; };
@ -28,33 +25,26 @@ Script.prototype.set = function(obj) {
return this; return this;
}; };
Script.prototype.fromJSON = function(json) { Script.fromBuffer = function(buffer) {
return this.fromString(json); var script = new Script();
}; script.chunks = [];
Script.prototype.toJSON = function() { var br = new BufferReader(buffer);
return this.toString();
};
Script.prototype.fromBuffer = function(buf) {
this.chunks = [];
var br = new BufferReader(buf);
while (!br.eof()) { while (!br.eof()) {
var opcodenum = br.readUInt8(); var opcodenum = br.readUInt8();
var len, buf; var len, buf;
if (opcodenum > 0 && opcodenum < Opcode.map.OP_PUSHDATA1) { if (opcodenum > 0 && opcodenum < Opcode.map.OP_PUSHDATA1) {
len = opcodenum; len = opcodenum;
this.chunks.push({ script.chunks.push({
buf: br.read(len), buf: br.read(len),
len: len, len: len,
opcodenum: opcodenum opcodenum: opcodenum
}); });
} else if (opcodenum === Opcode.map.OP_PUSHDATA1) { } else if (opcodenum === Opcode.map.OP_PUSHDATA1) {
len = br.readUInt8(); len = br.readUInt8();
var buf = br.read(len); buf = br.read(len);
this.chunks.push({ script.chunks.push({
buf: buf, buf: buf,
len: len, len: len,
opcodenum: opcodenum opcodenum: opcodenum
@ -62,7 +52,7 @@ Script.prototype.fromBuffer = function(buf) {
} else if (opcodenum === Opcode.map.OP_PUSHDATA2) { } else if (opcodenum === Opcode.map.OP_PUSHDATA2) {
len = br.readUInt16LE(); len = br.readUInt16LE();
buf = br.read(len); buf = br.read(len);
this.chunks.push({ script.chunks.push({
buf: buf, buf: buf,
len: len, len: len,
opcodenum: opcodenum opcodenum: opcodenum
@ -70,17 +60,17 @@ Script.prototype.fromBuffer = function(buf) {
} else if (opcodenum === Opcode.map.OP_PUSHDATA4) { } else if (opcodenum === Opcode.map.OP_PUSHDATA4) {
len = br.readUInt32LE(); len = br.readUInt32LE();
buf = br.read(len); buf = br.read(len);
this.chunks.push({ script.chunks.push({
buf: buf, buf: buf,
len: len, len: len,
opcodenum: opcodenum opcodenum: opcodenum
}); });
} else { } else {
this.chunks.push(opcodenum); script.chunks.push(opcodenum);
} }
} }
return this; return script;
}; };
Script.prototype.toBuffer = function() { Script.prototype.toBuffer = function() {
@ -88,24 +78,22 @@ Script.prototype.toBuffer = function() {
for (var i = 0; i < this.chunks.length; i++) { for (var i = 0; i < this.chunks.length; i++) {
var chunk = this.chunks[i]; var chunk = this.chunks[i];
var opcodenum;
if (typeof chunk === 'number') { if (typeof chunk === 'number') {
var opcodenum = chunk; opcodenum = chunk;
bw.writeUInt8(opcodenum); bw.writeUInt8(opcodenum);
} else { } else {
var opcodenum = chunk.opcodenum; opcodenum = chunk.opcodenum;
bw.writeUInt8(chunk.opcodenum); bw.writeUInt8(chunk.opcodenum);
if (opcodenum < Opcode.map.OP_PUSHDATA1) { if (opcodenum < Opcode.map.OP_PUSHDATA1) {
bw.write(chunk.buf); bw.write(chunk.buf);
} } else if (opcodenum === Opcode.map.OP_PUSHDATA1) {
else if (opcodenum === Opcode.map.OP_PUSHDATA1) {
bw.writeUInt8(chunk.len); bw.writeUInt8(chunk.len);
bw.write(chunk.buf); bw.write(chunk.buf);
} } else if (opcodenum === Opcode.map.OP_PUSHDATA2) {
else if (opcodenum === Opcode.map.OP_PUSHDATA2) {
bw.writeUInt16LE(chunk.len); bw.writeUInt16LE(chunk.len);
bw.write(chunk.buf); bw.write(chunk.buf);
} } else if (opcodenum === Opcode.map.OP_PUSHDATA4) {
else if (opcodenum === Opcode.map.OP_PUSHDATA4) {
bw.writeUInt32LE(chunk.len); bw.writeUInt32LE(chunk.len);
bw.write(chunk.buf); bw.write(chunk.buf);
} }
@ -115,8 +103,9 @@ Script.prototype.toBuffer = function() {
return bw.concat(); return bw.concat();
}; };
Script.prototype.fromString = function(str) { Script.fromString = function(str) {
this.chunks = []; var script = new Script();
script.chunks = [];
var tokens = str.split(' '); var tokens = str.split(' ');
var i = 0; var i = 0;
@ -128,137 +117,289 @@ Script.prototype.fromString = function(str) {
if (typeof opcodenum === 'undefined') { if (typeof opcodenum === 'undefined') {
opcodenum = parseInt(token); opcodenum = parseInt(token);
if (opcodenum > 0 && opcodenum < Opcode.map.OP_PUSHDATA1) { if (opcodenum > 0 && opcodenum < Opcode.map.OP_PUSHDATA1) {
this.chunks.push({ script.chunks.push({
buf: new Buffer(tokens[i + 1].slice(2), 'hex'), buf: new Buffer(tokens[i + 1].slice(2), 'hex'),
len: opcodenum, len: opcodenum,
opcodenum: opcodenum opcodenum: opcodenum
}); });
i = i + 2; i = i + 2;
} else {
throw new Error('Invalid script: ' + JSON.stringify(str));
} }
else { } else if (opcodenum === Opcode.map.OP_PUSHDATA1 ||
throw new Error('Invalid script'); opcodenum === Opcode.map.OP_PUSHDATA2 ||
} opcodenum === Opcode.map.OP_PUSHDATA4) {
} else if (opcodenum === Opcode.map.OP_PUSHDATA1 || opcodenum === Opcode.map.OP_PUSHDATA2 || opcodenum === Opcode.map.OP_PUSHDATA4) { if (tokens[i + 2].slice(0, 2) !== '0x') {
if (tokens[i + 2].slice(0, 2) != '0x')
throw new Error('Pushdata data must start with 0x'); throw new Error('Pushdata data must start with 0x');
this.chunks.push({ }
script.chunks.push({
buf: new Buffer(tokens[i + 2].slice(2), 'hex'), buf: new Buffer(tokens[i + 2].slice(2), 'hex'),
len: parseInt(tokens[i + 1]), len: parseInt(tokens[i + 1]),
opcodenum: opcodenum opcodenum: opcodenum
}); });
i = i + 3; i = i + 3;
} else { } else {
this.chunks.push(opcodenum); script.chunks.push(opcodenum);
i = i + 1; i = i + 1;
} }
} }
return this; return script;
}; };
Script.prototype.toString = function() { Script.prototype.toString = function() {
var str = ""; var str = '';
for (var i = 0; i < this.chunks.length; i++) { for (var i = 0; i < this.chunks.length; i++) {
var chunk = this.chunks[i]; var chunk = this.chunks[i];
var opcodenum;
if (typeof chunk === 'number') { if (typeof chunk === 'number') {
var opcodenum = chunk; opcodenum = chunk;
str = str + Opcode(opcodenum).toString() + " "; str = str + Opcode(opcodenum).toString() + ' ';
} else { } else {
var opcodenum = chunk.opcodenum; opcodenum = chunk.opcodenum;
if (opcodenum === Opcode.map.OP_PUSHDATA1 || opcodenum === Opcode.map.OP_PUSHDATA2 || opcodenum === Opcode.map.OP_PUSHDATA4) if (opcodenum === Opcode.map.OP_PUSHDATA1 ||
str = str + Opcode(opcodenum).toString() + " " ; opcodenum === Opcode.map.OP_PUSHDATA2 ||
str = str + chunk.len + " " ; opcodenum === Opcode.map.OP_PUSHDATA4) {
str = str + "0x" + chunk.buf.toString('hex') + " "; str = str + Opcode(opcodenum).toString() + ' ';
}
str = str + chunk.len + ' ';
str = str + '0x' + chunk.buf.toString('hex') + ' ';
} }
} }
return str.substr(0, str.length - 1); return str.substr(0, str.length - 1);
}; };
Script.prototype.isOpReturn = function() {
if (this.chunks[0] === Opcode('OP_RETURN').toNumber()
&&
(this.chunks.length === 1
||
(this.chunks.length === 2
&& this.chunks[1].buf
&& this.chunks[1].buf.length <= 40
&& this.chunks[1].length === this.chunks.len))) {
return true;
} else {
return false;
}
};
// script classification methods
/**
* @returns true if this is a pay to pubkey hash output script
*/
Script.prototype.isPublicKeyHashOut = function() { Script.prototype.isPublicKeyHashOut = function() {
if (this.chunks[0] === Opcode('OP_DUP').toNumber() return this.chunks[0] === Opcode('OP_DUP').toNumber() &&
&& this.chunks[1] === Opcode('OP_HASH160').toNumber() this.chunks[1] === Opcode('OP_HASH160').toNumber() &&
&& this.chunks[2].buf this.chunks[2].buf &&
&& this.chunks[3] === Opcode('OP_EQUALVERIFY').toNumber() this.chunks[3] === Opcode('OP_EQUALVERIFY').toNumber() &&
&& this.chunks[4] === Opcode('OP_CHECKSIG').toNumber()) { this.chunks[4] === Opcode('OP_CHECKSIG').toNumber();
return true;
} else {
return false;
}
}; };
/**
* @returns true if this is a pay to public key hash input script
*/
Script.prototype.isPublicKeyHashIn = function() { Script.prototype.isPublicKeyHashIn = function() {
if (this.chunks.length === 2 return !!(this.chunks.length === 2 &&
&& this.chunks[0].buf this.chunks[0].buf &&
&& this.chunks[1].buf) { this.chunks[0].buf.length >= 0x47 &&
return true; this.chunks[0].buf.length <= 0x49 &&
} else { this.chunks[1].buf &&
return false; (
} // compressed public key
(this.chunks[1].buf[0] === 0x03 && this.chunks[1].buf.length === 0x21) ||
// uncompressed public key
(this.chunks[1].buf[0] === 0x04 && this.chunks[1].buf.length === 0x41))
);
}; };
/**
* @returns true if this is a public key output script
*/
Script.prototype.isPublicKeyOut = function() {
return this.chunks.length === 2 &&
Buffer.isBuffer(this.chunks[0].buf) &&
this.chunks[0].buf.length === 0x41 &&
this.chunks[1] === Opcode('OP_CHECKSIG').toNumber();
};
/**
* @returns true if this is a pay to public key input script
*/
Script.prototype.isPublicKeyIn = function() {
return this.chunks.length === 1 &&
Buffer.isBuffer(this.chunks[0].buf) &&
this.chunks[0].buf.length === 0x47;
};
/**
* @returns true if this is a p2sh output script
*/
Script.prototype.isScriptHashOut = function() { Script.prototype.isScriptHashOut = function() {
if (this.chunks.length === 3 return this.chunks.length === 3 &&
&& this.chunks[0] === Opcode('OP_HASH160').toNumber() this.chunks[0] === Opcode('OP_HASH160').toNumber() &&
&& this.chunks[1].buf this.chunks[1].buf &&
&& this.chunks[1].buf.length === 20 this.chunks[1].buf.length === 20 &&
&& this.chunks[2] === Opcode('OP_EQUAL').toNumber()) { this.chunks[2] === Opcode('OP_EQUAL').toNumber();
return true;
} else {
return false;
}
}; };
//note that these are frequently indistinguishable from pubkeyhashin /**
* @returns true if this is a p2sh input script
* Note that these are frequently indistinguishable from pubkeyhashin
*/
Script.prototype.isScriptHashIn = function() { Script.prototype.isScriptHashIn = function() {
var allpush = this.chunks.every(function(chunk) { if (this.chunks.length === 0) {
return Buffer.isBuffer(chunk.buf);
});
if (allpush) {
return true;
} else {
return false; return false;
} }
var chunk = this.chunks[this.chunks.length - 1];
if (!chunk) {
return false;
}
var scriptBuf = chunk.buf;
if (!scriptBuf) {
return false;
}
var redeemScript = new Script(scriptBuf);
var type = redeemScript.classify();
return type !== Script.types.UNKNOWN;
};
/**
* @returns true if this is a mutlsig output script
*/
Script.prototype.isMultisigOut = function() {
return (this.chunks.length > 3 &&
Opcode.isSmallIntOp(this.chunks[0]) &&
this.chunks.slice(1, this.chunks.length - 2).every(function(obj) {
return obj.buf && Buffer.isBuffer(obj.buf);
}) &&
Opcode.isSmallIntOp(this.chunks[this.chunks.length - 2]) &&
this.chunks[this.chunks.length - 1] === Opcode.map.OP_CHECKMULTISIG);
};
/**
* @returns true if this is a mutlsig input script
*/
Script.prototype.isMultisigIn = function() {
return this.chunks[0] === 0 &&
this.chunks.slice(1, this.chunks.length).every(function(obj) {
return obj.buf &&
Buffer.isBuffer(obj.buf) &&
obj.buf.length === 0x47;
});
};
/**
* @returns true if this is an OP_RETURN data script
*/
Script.prototype.isOpReturn = function() {
return (this.chunks[0] === Opcode('OP_RETURN').toNumber() &&
(this.chunks.length === 1 ||
(this.chunks.length === 2 &&
this.chunks[1].buf &&
this.chunks[1].buf.length <= 40 &&
this.chunks[1].length === this.chunks.len)));
};
Script.types = {};
Script.types.UNKNOWN = 'Unknown';
Script.types.PUBKEY_OUT = 'Pay to public key';
Script.types.PUBKEY_IN = 'Spend from public key';
Script.types.PUBKEYHASH_OUT = 'Pay to public key hash';
Script.types.PUBKEYHASH_IN = 'Spend from public key hash';
Script.types.SCRIPTHASH_OUT = 'Pay to script hash';
Script.types.SCRIPTHASH_IN = 'Spend from script hash';
Script.types.MULTISIG_OUT = 'Pay to multisig';
Script.types.MULTISIG_IN = 'Spend from multisig';
Script.types.OP_RETURN = 'Data push';
Script.identifiers = {};
Script.identifiers.PUBKEY_OUT = Script.prototype.isPublicKeyOut;
Script.identifiers.PUBKEY_IN = Script.prototype.isPublicKeyIn;
Script.identifiers.PUBKEYHASH_OUT = Script.prototype.isPublicKeyHashOut;
Script.identifiers.PUBKEYHASH_IN = Script.prototype.isPublicKeyHashIn;
Script.identifiers.MULTISIG_OUT = Script.prototype.isMultisigOut;
Script.identifiers.MULTISIG_IN = Script.prototype.isMultisigIn;
Script.identifiers.OP_RETURN = Script.prototype.isOpReturn;
Script.identifiers.SCRIPTHASH_OUT = Script.prototype.isScriptHashOut;
Script.identifiers.SCRIPTHASH_IN = Script.prototype.isScriptHashIn;
/**
* @returns {object} The Script type if it is a known form,
* or Script.UNKNOWN if it isn't
*/
Script.prototype.classify = function() {
for (var type in Script.identifiers) {
if (Script.identifiers[type].bind(this)()) {
return Script.types[type];
}
}
return Script.types.UNKNOWN;
};
/**
* @returns true if script is one of the known types
*/
Script.prototype.isStandard = function() {
return this.classify() !== Script.types.UNKNOWN;
};
// Script construction methods
/**
* Adds a script element at the start of the script.
* @param {*} obj a string, number, Opcode, Bufer, or object to add
* @returns {Script} this script instance
*/
Script.prototype.prepend = function(obj) {
this._addByType(obj, true);
return this;
};
/**
* Adds a script element to the end of the script.
*
* @param {*} obj a string, number, Opcode, Bufer, or object to add
* @returns {Script} this script instance
*
*/
Script.prototype.add = function(obj) {
this._addByType(obj, false);
return this;
};
Script.prototype._addByType = function(obj, prepend) {
if (typeof obj === 'string') {
this._addOpcode(obj, prepend);
} else if (typeof obj === 'number') {
this._addOpcode(obj, prepend);
} else if (obj.constructor && obj.constructor.name && obj.constructor.name === 'Opcode') {
this._addOpcode(obj, prepend);
} else if (Buffer.isBuffer(obj)) {
this._addBuffer(obj, prepend);
} else if (typeof obj === 'object') {
this._insertAtPosition(obj, prepend);
} else {
throw new Error('Invalid script chunk');
}
}; };
Script.prototype.write = function(obj) { Script.prototype._insertAtPosition = function(op, prepend) {
if (typeof obj === 'string') if (prepend) {
this.writeOp(obj); this.chunks.unshift(op);
else if (typeof obj === 'number') } else {
this.writeOp(obj); this.chunks.push(op);
else if (Buffer.isBuffer(obj)) }
this.writeBuffer(obj); };
else if (typeof obj === 'object')
this.chunks.push(obj); Script.prototype._addOpcode = function(opcode, prepend) {
else var op;
throw new Error('Invalid script chunk'); if (typeof opcode === 'number') {
op = opcode;
} else if (opcode.constructor && opcode.constructor.name && opcode.constructor.name === 'Opcode') {
op = opcode.toNumber();
} else {
op = Opcode(opcode).toNumber();
}
this._insertAtPosition(op, prepend);
return this; return this;
}; };
Script.prototype.writeOp = function(str) { Script.prototype._addBuffer = function(buf, prepend) {
if (typeof str === 'number')
this.chunks.push(str);
else
this.chunks.push(Opcode(str).toNumber());
return this;
};
Script.prototype.writeBuffer = function(buf) {
var opcodenum; var opcodenum;
var len = buf.length; var len = buf.length;
if (buf.length > 0 && buf.length < Opcode.map.OP_PUSHDATA1) { if (buf.length > 0 && buf.length < Opcode.map.OP_PUSHDATA1) {
@ -270,13 +411,13 @@ Script.prototype.writeBuffer = function(buf) {
} else if (buf.length < Math.pow(2, 32)) { } else if (buf.length < Math.pow(2, 32)) {
opcodenum = Opcode.map.OP_PUSHDATA4; opcodenum = Opcode.map.OP_PUSHDATA4;
} else { } else {
throw new Error("You can't push that much data"); throw new Error('You can\'t push that much data');
} }
this.chunks.push({ this._insertAtPosition({
buf: buf, buf: buf,
len: len, len: len,
opcodenum: opcodenum opcodenum: opcodenum
}); }, prepend);
return this; return this;
}; };

6
lib/txin.js
View File

@ -36,7 +36,7 @@ Txin.prototype.fromJSON = function(json) {
txidbuf: new Buffer(json.txidbuf, 'hex'), txidbuf: new Buffer(json.txidbuf, 'hex'),
txoutnum: json.txoutnum, txoutnum: json.txoutnum,
scriptvi: Varint().fromJSON(json.scriptvi), scriptvi: Varint().fromJSON(json.scriptvi),
script: Script().fromJSON(json.script), script: Script.fromString(json.script),
seqnum: json.seqnum seqnum: json.seqnum
}); });
return this; return this;
@ -47,7 +47,7 @@ Txin.prototype.toJSON = function() {
txidbuf: this.txidbuf.toString('hex'), txidbuf: this.txidbuf.toString('hex'),
txoutnum: this.txoutnum, txoutnum: this.txoutnum,
scriptvi: this.scriptvi.toJSON(), scriptvi: this.scriptvi.toJSON(),
script: this.script.toJSON(), script: this.script.toString(),
seqnum: this.seqnum seqnum: this.seqnum
}; };
}; };
@ -60,7 +60,7 @@ Txin.prototype.fromBufferReader = function(br) {
this.txidbuf = br.read(32); this.txidbuf = br.read(32);
this.txoutnum = br.readUInt32LE(); this.txoutnum = br.readUInt32LE();
this.scriptvi = Varint(br.readVarintBuf()); this.scriptvi = Varint(br.readVarintBuf());
this.script = Script().fromBuffer(br.read(this.scriptvi.toNumber())); this.script = Script.fromBuffer(br.read(this.scriptvi.toNumber()));
this.seqnum = br.readUInt32LE(); this.seqnum = br.readUInt32LE();
return this; return this;
}; };

6
lib/txout.js
View File

@ -32,7 +32,7 @@ Txout.prototype.fromJSON = function(json) {
this.set({ this.set({
valuebn: BN().fromJSON(json.valuebn), valuebn: BN().fromJSON(json.valuebn),
scriptvi: Varint().fromJSON(json.scriptvi), scriptvi: Varint().fromJSON(json.scriptvi),
script: Script().fromJSON(json.script) script: Script.fromString(json.script)
}); });
return this; return this;
}; };
@ -41,7 +41,7 @@ Txout.prototype.toJSON = function() {
return { return {
valuebn: this.valuebn.toJSON(), valuebn: this.valuebn.toJSON(),
scriptvi: this.scriptvi.toJSON(), scriptvi: this.scriptvi.toJSON(),
script: this.script.toJSON() script: this.script.toString()
}; };
}; };
@ -52,7 +52,7 @@ Txout.prototype.fromBuffer = function(buf) {
Txout.prototype.fromBufferReader = function(br) { Txout.prototype.fromBufferReader = function(br) {
this.valuebn = br.readUInt64LEBN(); this.valuebn = br.readUInt64LEBN();
this.scriptvi = Varint(br.readVarintNum()); this.scriptvi = Varint(br.readVarintNum());
this.script = Script().fromBuffer(br.read(this.scriptvi.toNumber())); this.script = Script.fromBuffer(br.read(this.scriptvi.toNumber()));
return this; return this;
}; };

5
package.json
View File

@ -96,8 +96,11 @@
"mocha": "~2.0.1", "mocha": "~2.0.1",
"run-sequence": "^1.0.2", "run-sequence": "^1.0.2",
"karma": "^0.12.28", "karma": "^0.12.28",
"karma-firefox-launcher": "^0.1.3",
"karma-mocha": "^0.1.9", "karma-mocha": "^0.1.9",
"karma-firefox-launcher": "^0.1.3" "lodash": "^2.4.1",
"mocha": "~2.0.1",
"run-sequence": "^1.0.2"
}, },
"license": "MIT" "license": "MIT"
} }

4
test/address.js
View File

@ -294,7 +294,7 @@ describe('Address', function() {
}); });
it('should make this address from a script', function() { it('should make this address from a script', function() {
var s = Script().fromString("OP_CHECKMULTISIG"); var s = Script.fromString("OP_CHECKMULTISIG");
var buf = s.toBuffer(); var buf = s.toBuffer();
var a = Address.fromScript(s); var a = Address.fromScript(s);
a.toString().should.equal('3BYmEwgV2vANrmfRymr1mFnHXgLjD6gAWm'); a.toString().should.equal('3BYmEwgV2vANrmfRymr1mFnHXgLjD6gAWm');
@ -305,7 +305,7 @@ describe('Address', function() {
}); });
it('should make this address from other script', function() { it('should make this address from other script', function() {
var s = Script().fromString("OP_CHECKSIG OP_HASH160"); var s = Script.fromString("OP_CHECKSIG OP_HASH160");
var a = Address.fromScript(s); var a = Address.fromScript(s);
a.toString().should.equal('347iRqVwks5r493N1rsLN4k9J7Ljg488W7'); a.toString().should.equal('347iRqVwks5r493N1rsLN4k9J7Ljg488W7');
var b = new Address(s); var b = new Address(s);

1
test/mocha.opts Normal file
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@ -0,0 +1 @@
--recursive

60
test/opcode.js
View File

@ -11,13 +11,13 @@ describe('Opcode', function() {
var opcode = new Opcode(5); var opcode = new Opcode(5);
should.exist(opcode); should.exist(opcode);
}); });
it('should convert to a string with this handy syntax', function() { it('should convert to a string with this handy syntax', function() {
Opcode(0).toString().should.equal('OP_0'); Opcode(0).toString().should.equal('OP_0');
Opcode(96).toString().should.equal('OP_16'); Opcode(96).toString().should.equal('OP_16');
Opcode(97).toString().should.equal('OP_NOP'); Opcode(97).toString().should.equal('OP_NOP');
}); });
it('should convert to a number with this handy syntax', function() { it('should convert to a number with this handy syntax', function() {
Opcode('OP_0').toNumber().should.equal(0); Opcode('OP_0').toNumber().should.equal(0);
Opcode('OP_16').toNumber().should.equal(96); Opcode('OP_16').toNumber().should.equal(96);
@ -25,37 +25,37 @@ describe('Opcode', function() {
}); });
describe('#fromNumber', function() { describe('#fromNumber', function() {
it('should work for 0', function() { it('should work for 0', function() {
Opcode().fromNumber(0).num.should.equal(0); Opcode().fromNumber(0).num.should.equal(0);
}); });
}); });
describe('#toNumber', function() { describe('#toNumber', function() {
it('should work for 0', function() { it('should work for 0', function() {
Opcode().fromNumber(0).toNumber().should.equal(0); Opcode().fromNumber(0).toNumber().should.equal(0);
}); });
}); });
describe('#fromString', function() { describe('#fromString', function() {
it('should work for OP_0', function() { it('should work for OP_0', function() {
Opcode().fromString('OP_0').num.should.equal(0); Opcode().fromString('OP_0').num.should.equal(0);
}); });
}); });
describe('#toString', function() { describe('#toString', function() {
it('should work for OP_0', function() { it('should work for OP_0', function() {
Opcode().fromString('OP_0').toString().should.equal('OP_0'); Opcode().fromString('OP_0').toString().should.equal('OP_0');
}); });
}); });
describe('@map', function() { describe('@map', function() {
it('should have a map containing 116 elements', function() { it('should have a map containing 116 elements', function() {
@ -65,12 +65,50 @@ describe('Opcode', function() {
}); });
describe('@reverseMap', function() { describe('@reverseMap', function() {
it('should exist and have op 185', function() { it('should exist and have op 185', function() {
should.exist(Opcode.reverseMap); should.exist(Opcode.reverseMap);
Opcode.reverseMap[185].should.equal('OP_NOP10'); Opcode.reverseMap[185].should.equal('OP_NOP10');
}); });
}); });
var smallints = [
Opcode('OP_0'),
Opcode('OP_1'),
Opcode('OP_2'),
Opcode('OP_3'),
Opcode('OP_4'),
Opcode('OP_5'),
Opcode('OP_6'),
Opcode('OP_7'),
Opcode('OP_8'),
Opcode('OP_9'),
Opcode('OP_10'),
Opcode('OP_11'),
Opcode('OP_12'),
Opcode('OP_13'),
Opcode('OP_14'),
Opcode('OP_15'),
Opcode('OP_16')
];
describe('@isSmallIntOp', function() {
var testSmallInt = function() {
Opcode.isSmallIntOp(this).should.equal(true);
};
for (var i = 0; i < smallints.length; i++) {
var op = smallints[i];
it('should work for small int ' + op, testSmallInt.bind(op));
}
it('should work for non-small ints', function() {
Opcode.isSmallIntOp(Opcode('OP_RETURN')).should.equal(false);
Opcode.isSmallIntOp(Opcode('OP_CHECKSIG')).should.equal(false);
Opcode.isSmallIntOp(Opcode('OP_IF')).should.equal(false);
Opcode.isSmallIntOp(Opcode('OP_NOP')).should.equal(false);
});
});
}); });

208
test/script.js
View File

@ -6,18 +6,18 @@ var Script = bitcore.Script;
var Opcode = bitcore.Opcode; var Opcode = bitcore.Opcode;
describe('Script', function() { describe('Script', function() {
it('should make a new script', function() { it('should make a new script', function() {
var script = new Script(); var script = new Script();
should.exist(script); should.exist(script);
}); });
describe('#fromBuffer', function() { describe('#fromBuffer', function() {
it('should parse this buffer containing an OP code', function() { it('should parse this buffer containing an OP code', function() {
var buf = new Buffer(1); var buf = new Buffer(1);
buf[0] = Opcode('OP_0').toNumber(); buf[0] = Opcode('OP_0').toNumber();
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].should.equal(buf[0]); script.chunks[0].should.equal(buf[0]);
}); });
@ -25,14 +25,14 @@ describe('Script', function() {
it('should parse this buffer containing another OP code', function() { it('should parse this buffer containing another OP code', function() {
var buf = new Buffer(1); var buf = new Buffer(1);
buf[0] = Opcode('OP_CHECKMULTISIG').toNumber(); buf[0] = Opcode('OP_CHECKMULTISIG').toNumber();
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].should.equal(buf[0]); script.chunks[0].should.equal(buf[0]);
}); });
it('should parse this buffer containing three bytes of data', function() { it('should parse this buffer containing three bytes of data', function() {
var buf = new Buffer([3, 1, 2, 3]); var buf = new Buffer([3, 1, 2, 3]);
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].buf.toString('hex').should.equal('010203'); script.chunks[0].buf.toString('hex').should.equal('010203');
}); });
@ -41,7 +41,7 @@ describe('Script', function() {
var buf = new Buffer([0, 0, 1, 2, 3]); var buf = new Buffer([0, 0, 1, 2, 3]);
buf[0] = Opcode('OP_PUSHDATA1').toNumber(); buf[0] = Opcode('OP_PUSHDATA1').toNumber();
buf.writeUInt8(3, 1); buf.writeUInt8(3, 1);
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].buf.toString('hex').should.equal('010203'); script.chunks[0].buf.toString('hex').should.equal('010203');
}); });
@ -50,7 +50,7 @@ describe('Script', function() {
var buf = new Buffer([0, 0, 0, 1, 2, 3]); var buf = new Buffer([0, 0, 0, 1, 2, 3]);
buf[0] = Opcode('OP_PUSHDATA2').toNumber(); buf[0] = Opcode('OP_PUSHDATA2').toNumber();
buf.writeUInt16LE(3, 1); buf.writeUInt16LE(3, 1);
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].buf.toString('hex').should.equal('010203'); script.chunks[0].buf.toString('hex').should.equal('010203');
}); });
@ -59,7 +59,7 @@ describe('Script', function() {
var buf = new Buffer([0, 0, 0, 0, 0, 1, 2, 3]); var buf = new Buffer([0, 0, 0, 0, 0, 1, 2, 3]);
buf[0] = Opcode('OP_PUSHDATA4').toNumber(); buf[0] = Opcode('OP_PUSHDATA4').toNumber();
buf.writeUInt16LE(3, 1); buf.writeUInt16LE(3, 1);
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].buf.toString('hex').should.equal('010203'); script.chunks[0].buf.toString('hex').should.equal('010203');
}); });
@ -70,7 +70,7 @@ describe('Script', function() {
buf[1] = Opcode('OP_PUSHDATA4').toNumber(); buf[1] = Opcode('OP_PUSHDATA4').toNumber();
buf.writeUInt16LE(3, 2); buf.writeUInt16LE(3, 2);
buf[buf.length - 1] = Opcode('OP_0').toNumber(); buf[buf.length - 1] = Opcode('OP_0').toNumber();
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(3); script.chunks.length.should.equal(3);
script.chunks[0].should.equal(buf[0]); script.chunks[0].should.equal(buf[0]);
script.chunks[1].buf.toString('hex').should.equal('010203'); script.chunks[1].buf.toString('hex').should.equal('010203');
@ -80,11 +80,11 @@ describe('Script', function() {
}); });
describe('#toBuffer', function() { describe('#toBuffer', function() {
it('should output this buffer containing an OP code', function() { it('should output this buffer containing an OP code', function() {
var buf = new Buffer(1); var buf = new Buffer(1);
buf[0] = Opcode('OP_0').toNumber(); buf[0] = Opcode('OP_0').toNumber();
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].should.equal(buf[0]); script.chunks[0].should.equal(buf[0]);
script.toBuffer().toString('hex').should.equal(buf.toString('hex')); script.toBuffer().toString('hex').should.equal(buf.toString('hex'));
@ -93,7 +93,7 @@ describe('Script', function() {
it('should output this buffer containing another OP code', function() { it('should output this buffer containing another OP code', function() {
var buf = new Buffer(1); var buf = new Buffer(1);
buf[0] = Opcode('OP_CHECKMULTISIG').toNumber(); buf[0] = Opcode('OP_CHECKMULTISIG').toNumber();
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].should.equal(buf[0]); script.chunks[0].should.equal(buf[0]);
script.toBuffer().toString('hex').should.equal(buf.toString('hex')); script.toBuffer().toString('hex').should.equal(buf.toString('hex'));
@ -101,7 +101,7 @@ describe('Script', function() {
it('should output this buffer containing three bytes of data', function() { it('should output this buffer containing three bytes of data', function() {
var buf = new Buffer([3, 1, 2, 3]); var buf = new Buffer([3, 1, 2, 3]);
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].buf.toString('hex').should.equal('010203'); script.chunks[0].buf.toString('hex').should.equal('010203');
script.toBuffer().toString('hex').should.equal(buf.toString('hex')); script.toBuffer().toString('hex').should.equal(buf.toString('hex'));
@ -111,7 +111,7 @@ describe('Script', function() {
var buf = new Buffer([0, 0, 1, 2, 3]); var buf = new Buffer([0, 0, 1, 2, 3]);
buf[0] = Opcode('OP_PUSHDATA1').toNumber(); buf[0] = Opcode('OP_PUSHDATA1').toNumber();
buf.writeUInt8(3, 1); buf.writeUInt8(3, 1);
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].buf.toString('hex').should.equal('010203'); script.chunks[0].buf.toString('hex').should.equal('010203');
script.toBuffer().toString('hex').should.equal(buf.toString('hex')); script.toBuffer().toString('hex').should.equal(buf.toString('hex'));
@ -121,7 +121,7 @@ describe('Script', function() {
var buf = new Buffer([0, 0, 0, 1, 2, 3]); var buf = new Buffer([0, 0, 0, 1, 2, 3]);
buf[0] = Opcode('OP_PUSHDATA2').toNumber(); buf[0] = Opcode('OP_PUSHDATA2').toNumber();
buf.writeUInt16LE(3, 1); buf.writeUInt16LE(3, 1);
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].buf.toString('hex').should.equal('010203'); script.chunks[0].buf.toString('hex').should.equal('010203');
script.toBuffer().toString('hex').should.equal(buf.toString('hex')); script.toBuffer().toString('hex').should.equal(buf.toString('hex'));
@ -131,7 +131,7 @@ describe('Script', function() {
var buf = new Buffer([0, 0, 0, 0, 0, 1, 2, 3]); var buf = new Buffer([0, 0, 0, 0, 0, 1, 2, 3]);
buf[0] = Opcode('OP_PUSHDATA4').toNumber(); buf[0] = Opcode('OP_PUSHDATA4').toNumber();
buf.writeUInt16LE(3, 1); buf.writeUInt16LE(3, 1);
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(1); script.chunks.length.should.equal(1);
script.chunks[0].buf.toString('hex').should.equal('010203'); script.chunks[0].buf.toString('hex').should.equal('010203');
script.toBuffer().toString('hex').should.equal(buf.toString('hex')); script.toBuffer().toString('hex').should.equal(buf.toString('hex'));
@ -143,7 +143,7 @@ describe('Script', function() {
buf[1] = Opcode('OP_PUSHDATA4').toNumber(); buf[1] = Opcode('OP_PUSHDATA4').toNumber();
buf.writeUInt16LE(3, 2); buf.writeUInt16LE(3, 2);
buf[buf.length - 1] = Opcode('OP_0').toNumber(); buf[buf.length - 1] = Opcode('OP_0').toNumber();
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(3); script.chunks.length.should.equal(3);
script.chunks[0].should.equal(buf[0]); script.chunks[0].should.equal(buf[0]);
script.chunks[1].buf.toString('hex').should.equal('010203'); script.chunks[1].buf.toString('hex').should.equal('010203');
@ -156,23 +156,28 @@ describe('Script', function() {
describe('#fromString', function() { describe('#fromString', function() {
it('should parse these known scripts', function() { it('should parse these known scripts', function() {
Script().fromString('OP_0 OP_PUSHDATA4 3 0x010203 OP_0').toString().should.equal('OP_0 OP_PUSHDATA4 3 0x010203 OP_0'); Script.fromString('OP_0 OP_PUSHDATA4 3 0x010203 OP_0').toString().should.equal('OP_0 OP_PUSHDATA4 3 0x010203 OP_0');
Script().fromString('OP_0 OP_PUSHDATA2 3 0x010203 OP_0').toString().should.equal('OP_0 OP_PUSHDATA2 3 0x010203 OP_0'); Script.fromString('OP_0 OP_PUSHDATA2 3 0x010203 OP_0').toString().should.equal('OP_0 OP_PUSHDATA2 3 0x010203 OP_0');
Script().fromString('OP_0 OP_PUSHDATA1 3 0x010203 OP_0').toString().should.equal('OP_0 OP_PUSHDATA1 3 0x010203 OP_0'); Script.fromString('OP_0 OP_PUSHDATA1 3 0x010203 OP_0').toString().should.equal('OP_0 OP_PUSHDATA1 3 0x010203 OP_0');
Script().fromString('OP_0 3 0x010203 OP_0').toString().should.equal('OP_0 3 0x010203 OP_0'); Script.fromString('OP_0 3 0x010203 OP_0').toString().should.equal('OP_0 3 0x010203 OP_0');
}); });
}); });
describe('#toString', function() { describe('#toString', function() {
it('should work with an empty script', function() {
var script = new Script();
script.toString().should.equal('');
});
it('should output this buffer an OP code, data, and another OP code', function() { it('should output this buffer an OP code, data, and another OP code', function() {
var buf = new Buffer([0, 0, 0, 0, 0, 0, 1, 2, 3, 0]); var buf = new Buffer([0, 0, 0, 0, 0, 0, 1, 2, 3, 0]);
buf[0] = Opcode('OP_0').toNumber(); buf[0] = Opcode('OP_0').toNumber();
buf[1] = Opcode('OP_PUSHDATA4').toNumber(); buf[1] = Opcode('OP_PUSHDATA4').toNumber();
buf.writeUInt16LE(3, 2); buf.writeUInt16LE(3, 2);
buf[buf.length - 1] = Opcode('OP_0').toNumber(); buf[buf.length - 1] = Opcode('OP_0').toNumber();
var script = Script().fromBuffer(buf); var script = Script.fromBuffer(buf);
script.chunks.length.should.equal(3); script.chunks.length.should.equal(3);
script.chunks[0].should.equal(buf[0]); script.chunks[0].should.equal(buf[0]);
script.chunks[1].buf.toString('hex').should.equal('010203'); script.chunks[1].buf.toString('hex').should.equal('010203');
@ -182,24 +187,8 @@ describe('Script', function() {
}); });
describe('#fromJSON', function() {
it('should parse this known script', function() {
Script().fromJSON('OP_0 OP_PUSHDATA4 3 0x010203 OP_0').toString().should.equal('OP_0 OP_PUSHDATA4 3 0x010203 OP_0');
});
});
describe('#toJSON', function() {
it('should output this known script', function() {
Script().fromString('OP_0 OP_PUSHDATA4 3 0x010203 OP_0').toJSON().should.equal('OP_0 OP_PUSHDATA4 3 0x010203 OP_0');
});
});
describe('#isOpReturn', function() { describe('#isOpReturn', function() {
it('should know this is a (blank) OP_RETURN script', function() { it('should know this is a (blank) OP_RETURN script', function() {
Script('OP_RETURN').isOpReturn().should.equal(true); Script('OP_RETURN').isOpReturn().should.equal(true);
}); });
@ -219,12 +208,12 @@ describe('Script', function() {
}); });
describe('#isPublicKeyHashIn', function() { describe('#isPublicKeyHashIn', function() {
it('should classify this known pubkeyhashin', function() { it('should identify this known pubkeyhashin', function() {
Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 65 0x04e365859b3c78a8b7c202412b949ebca58e147dba297be29eee53cd3e1d300a6419bc780cc9aec0dc94ed194e91c8f6433f1b781ee00eac0ead2aae1e8e0712c6').isPublicKeyHashIn().should.equal(true); Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 65 0x04e365859b3c78a8b7c202412b949ebca58e147dba297be29eee53cd3e1d300a6419bc780cc9aec0dc94ed194e91c8f6433f1b781ee00eac0ead2aae1e8e0712c6').isPublicKeyHashIn().should.equal(true);
}); });
it('should classify this known non-pubkeyhashin', function() { it('should identify this known non-pubkeyhashin', function() {
Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 65 0x04e365859b3c78a8b7c202412b949ebca58e147dba297be29eee53cd3e1d300a6419bc780cc9aec0dc94ed194e91c8f6433f1b781ee00eac0ead2aae1e8e0712c6 OP_CHECKSIG').isPublicKeyHashIn().should.equal(false); Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 65 0x04e365859b3c78a8b7c202412b949ebca58e147dba297be29eee53cd3e1d300a6419bc780cc9aec0dc94ed194e91c8f6433f1b781ee00eac0ead2aae1e8e0712c6 OP_CHECKSIG').isPublicKeyHashIn().should.equal(false);
}); });
@ -232,23 +221,23 @@ describe('Script', function() {
describe('#isPublicKeyHashOut', function() { describe('#isPublicKeyHashOut', function() {
it('should classify this known pubkeyhashout as pubkeyhashout', function() { it('should identify this known pubkeyhashout as pubkeyhashout', function() {
Script('OP_DUP OP_HASH160 20 0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG').isPublicKeyHashOut().should.equal(true); Script('OP_DUP OP_HASH160 20 0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG').isPublicKeyHashOut().should.equal(true);
}); });
it('should classify this known non-pubkeyhashout as not pubkeyhashout', function() { it('should identify this known non-pubkeyhashout as not pubkeyhashout', function() {
Script('OP_DUP OP_HASH160 20 0000000000000000000000000000000000000000').isPublicKeyHashOut().should.equal(false); Script('OP_DUP OP_HASH160 20 0000000000000000000000000000000000000000').isPublicKeyHashOut().should.equal(false);
}); });
}); });
describe('#isScripthashIn', function() { describe('#isScripthashIn', function() {
it('should classify this known scripthashin', function() { it('should identify this known scripthashin', function() {
Script('20 0000000000000000000000000000000000000000').isScriptHashIn().should.equal(true); Script('OP_0 73 0x30460221008ca148504190c10eea7f5f9c283c719a37be58c3ad617928011a1bb9570901d2022100ced371a23e86af6f55ff4ce705c57d2721a09c4d192ca39d82c4239825f75a9801 72 0x30450220357011fd3b3ad2b8f2f2d01e05dc6108b51d2a245b4ef40c112d6004596f0475022100a8208c93a39e0c366b983f9a80bfaf89237fcd64ca543568badd2d18ee2e1d7501 OP_PUSHDATA1 105 0x5221024c02dff2f0b8263a562a69ec875b2c95ffad860f428acf2f9e8c6492bd067d362103546324a1351a6b601c623b463e33b6103ca444707d5b278ece1692f1aa7724a42103b1ad3b328429450069cc3f9fa80d537ee66ba1120e93f3f185a5bf686fb51e0a53ae').isScriptHashIn().should.equal(true);
}); });
it('should classify this known non-scripthashin', function() { it('should identify this known non-scripthashin', function() {
Script('20 0000000000000000000000000000000000000000 OP_CHECKSIG').isScriptHashIn().should.equal(false); Script('20 0000000000000000000000000000000000000000 OP_CHECKSIG').isScriptHashIn().should.equal(false);
}); });
@ -256,55 +245,134 @@ describe('Script', function() {
describe('#isScripthashOut', function() { describe('#isScripthashOut', function() {
it('should classify this known pubkeyhashout as pubkeyhashout', function() { it('should identify this known pubkeyhashout as pubkeyhashout', function() {
Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL').isScriptHashOut().should.equal(true); Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL').isScriptHashOut().should.equal(true);
}); });
it('should classify these known non-pubkeyhashout as not pubkeyhashout', function() { it('should identify these known non-pubkeyhashout as not pubkeyhashout', function() {
Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL OP_EQUAL').isScriptHashOut().should.equal(false); Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL OP_EQUAL').isScriptHashOut().should.equal(false);
Script('OP_HASH160 21 0x000000000000000000000000000000000000000000 OP_EQUAL').isScriptHashOut().should.equal(false); Script('OP_HASH160 21 0x000000000000000000000000000000000000000000 OP_EQUAL').isScriptHashOut().should.equal(false);
}); });
}); });
describe('#writeOp', function() { describe('#isMultisigOut', function() {
it('should identify known multisig out 1', function() {
it('should write these ops', function() { Script('OP_2 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 OP_2 OP_CHECKMULTISIG').isMultisigOut().should.equal(true);
Script().writeOp('OP_CHECKMULTISIG').toString().should.equal('OP_CHECKMULTISIG'); });
Script().writeOp(Opcode.map.OP_CHECKMULTISIG).toString().should.equal('OP_CHECKMULTISIG'); it('should identify known multisig out 2', function() {
Script('OP_1 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 OP_2 OP_CHECKMULTISIG').isMultisigOut().should.equal(true);
});
it('should identify known multisig out 3', function() {
Script('OP_2 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x03363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640 OP_3 OP_CHECKMULTISIG').isMultisigOut().should.equal(true);
}); });
it('should identify non-multisig out 1', function() {
Script('OP_2 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 OP_2 OP_CHECKMULTISIG OP_EQUAL').isMultisigOut().should.equal(false);
});
it('should identify non-multisig out 2', function() {
Script('OP_2').isMultisigOut().should.equal(false);
});
}); });
describe('#writeBuffer', function() { describe('#isMultisigIn', function() {
it('should identify multisig in 1', function() {
it('should write these push data', function() { Script('OP_0 0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01').isMultisigIn().should.equal(true);
});
it('should identify multisig in 2', function() {
Script('OP_0 0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01 0x47 30450220357011fd3b3ad2b8f2f2d01e05dc6108b51d2a245b4ef40c112d6004596f0475022100a8208c93a39e0c366b983f9a80bfaf89237fcd64ca543568badd2d18ee2e1d7501').isMultisigIn().should.equal(true);
});
it('should identify non-multisig in 1', function() {
Script('0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01').isMultisigIn().should.equal(false);
});
it('should identify non-multisig in 2', function() {
Script('OP_0 0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01 OP_0').isMultisigIn().should.equal(false);
});
});
describe('#classify', function() {
it('should classify public key hash out', function() {
Script('OP_DUP OP_HASH160 20 0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG').classify().should.equal(Script.types.PUBKEYHASH_OUT);
});
it('should classify public key hash in', function() {
Script('47 0x3044022077a8d81e656c4a1c1721e68ce35fa0b27f13c342998e75854858c12396a15ffa02206378a8c6959283c008c87a14a9c0ada5cf3934ac5ee29f1fef9cac6969783e9801 21 0x03993c230da7dabb956292851ae755f971c50532efc095a16bee07f83ab9d262df').classify().should.equal(Script.types.PUBKEYHASH_IN);
});
it('should classify script hash out', function() {
Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL').classify().should.equal(Script.types.SCRIPTHASH_OUT);
});
it('should classify script hash in', function() {
Script('OP_0 73 0x30460221008ca148504190c10eea7f5f9c283c719a37be58c3ad617928011a1bb9570901d2022100ced371a23e86af6f55ff4ce705c57d2721a09c4d192ca39d82c4239825f75a9801 72 0x30450220357011fd3b3ad2b8f2f2d01e05dc6108b51d2a245b4ef40c112d6004596f0475022100a8208c93a39e0c366b983f9a80bfaf89237fcd64ca543568badd2d18ee2e1d7501 OP_PUSHDATA1 105 0x5221024c02dff2f0b8263a562a69ec875b2c95ffad860f428acf2f9e8c6492bd067d362103546324a1351a6b601c623b463e33b6103ca444707d5b278ece1692f1aa7724a42103b1ad3b328429450069cc3f9fa80d537ee66ba1120e93f3f185a5bf686fb51e0a53ae').classify().should.equal(Script.types.SCRIPTHASH_IN);
});
it('should classify MULTISIG out', function() {
Script('OP_2 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 OP_2 OP_CHECKMULTISIG').classify().should.equal(Script.types.MULTISIG_OUT);
});
it('should classify MULTISIG in', function() {
Script('OP_0 0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01').classify().should.equal(Script.types.MULTISIG_IN);
});
it('should classify OP_RETURN', function() {
Script('OP_RETURN 1 0x01').classify().should.equal(Script.types.OP_RETURN);
});
it('should classify public key out', function() {
Script('41 0x0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 OP_CHECKSIG').classify().should.equal(Script.types.PUBKEY_OUT);
});
it('should classify public key in', function() {
Script('47 0x3044022007415aa37ce7eaa6146001ac8bdefca0ddcba0e37c5dc08c4ac99392124ebac802207d382307fd53f65778b07b9c63b6e196edeadf0be719130c5db21ff1e700d67501').classify().should.equal(Script.types.PUBKEY_IN);
});
it('should classify unknown', function() {
Script('OP_TRUE OP_FALSE').classify().should.equal(Script.types.UNKNOWN);
});
});
describe('#add and #prepend', function() {
it('should add these ops', function() {
Script().add('OP_CHECKMULTISIG').toString().should.equal('OP_CHECKMULTISIG');
Script().add('OP_1').add('OP_2').toString().should.equal('OP_1 OP_2');
Script().add(new Opcode('OP_CHECKMULTISIG')).toString().should.equal('OP_CHECKMULTISIG');
Script().add(Opcode.map.OP_CHECKMULTISIG).toString().should.equal('OP_CHECKMULTISIG');
});
it('should prepend these ops', function() {
Script().prepend('OP_CHECKMULTISIG').toString().should.equal('OP_CHECKMULTISIG');
Script().prepend('OP_1').prepend('OP_2').toString().should.equal('OP_2 OP_1');
});
it('should add and prepend correctly', function() {
Script().add('OP_1').prepend('OP_2').add('OP_3').prepend('OP_4').toString()
.should.equal('OP_4 OP_2 OP_1 OP_3');
});
it('should add these push data', function() {
var buf = new Buffer(1); var buf = new Buffer(1);
buf.fill(0); buf.fill(0);
Script().writeBuffer(buf).toString().should.equal('1 0x00'); Script().add(buf).toString().should.equal('1 0x00');
buf = new Buffer(255); buf = new Buffer(255);
buf.fill(0); buf.fill(0);
Script().writeBuffer(buf).toString().should.equal('OP_PUSHDATA1 255 0x' + buf.toString('hex')); Script().add(buf).toString().should.equal('OP_PUSHDATA1 255 0x' + buf.toString('hex'));
buf = new Buffer(256); buf = new Buffer(256);
buf.fill(0); buf.fill(0);
Script().writeBuffer(buf).toString().should.equal('OP_PUSHDATA2 256 0x' + buf.toString('hex')); Script().add(buf).toString().should.equal('OP_PUSHDATA2 256 0x' + buf.toString('hex'));
buf = new Buffer(Math.pow(2, 16)); buf = new Buffer(Math.pow(2, 16));
buf.fill(0); buf.fill(0);
Script().writeBuffer(buf).toString().should.equal('OP_PUSHDATA4 ' + Math.pow(2, 16) + ' 0x' + buf.toString('hex')); Script().add(buf).toString().should.equal('OP_PUSHDATA4 ' + Math.pow(2, 16) + ' 0x' + buf.toString('hex'));
}); });
}); it('should add both pushdata and non-pushdata chunks', function() {
Script().add('OP_CHECKMULTISIG').toString().should.equal('OP_CHECKMULTISIG');
describe('#write', function() { Script().add(Opcode.map.OP_CHECKMULTISIG).toString().should.equal('OP_CHECKMULTISIG');
it('should write both pushdata and non-pushdata chunks', function() {
Script().write('OP_CHECKMULTISIG').toString().should.equal('OP_CHECKMULTISIG');
Script().write(Opcode.map.OP_CHECKMULTISIG).toString().should.equal('OP_CHECKMULTISIG');
var buf = new Buffer(1); var buf = new Buffer(1);
buf.fill(0); buf.fill(0);
Script().write(buf).toString().should.equal('1 0x00'); Script().add(buf).toString().should.equal('1 0x00');
}); });
});
describe('#isStandard', function() {
it('should classify correctly standard script', function() {
Script('OP_RETURN 1 0x00').isStandard().should.equal(true);
});
it('should classify correctly non standard script', function() {
Script('OP_TRUE OP_FALSE').isStandard().should.equal(false);
});
}); });
}); });

2
test/txin.js
View File

@ -12,7 +12,7 @@ describe('Txin', function() {
var txidbuf = new Buffer(32); var txidbuf = new Buffer(32);
txidbuf.fill(0); txidbuf.fill(0);
var txoutnum = 0; var txoutnum = 0;
var script = Script().fromString('OP_CHECKMULTISIG'); var script = Script.fromString('OP_CHECKMULTISIG');
var scriptvi = Varint(script.toBuffer().length); var scriptvi = Varint(script.toBuffer().length);
var seqnum = 0; var seqnum = 0;
var txin = Txin().set({ var txin = Txin().set({

6
test/txout.js
View File

@ -11,7 +11,7 @@ var Script = bitcore.Script;
describe('Txout', function() { describe('Txout', function() {
var valuebn = BN(5); var valuebn = BN(5);
var script = Script().fromString('OP_CHECKMULTISIG'); var script = Script.fromString('OP_CHECKMULTISIG');
var scriptvi = Varint(script.toBuffer().length); var scriptvi = Varint(script.toBuffer().length);
it('should make a new txout', function() { it('should make a new txout', function() {
@ -43,7 +43,7 @@ describe('Txout', function() {
var txout = Txout().fromJSON({ var txout = Txout().fromJSON({
valuebn: valuebn.toJSON(), valuebn: valuebn.toJSON(),
scriptvi: scriptvi.toJSON(), scriptvi: scriptvi.toJSON(),
script: script.toJSON() script: script.toString()
}); });
should.exist(txout.valuebn); should.exist(txout.valuebn);
should.exist(txout.scriptvi); should.exist(txout.scriptvi);
@ -58,7 +58,7 @@ describe('Txout', function() {
var txout = Txout().fromJSON({ var txout = Txout().fromJSON({
valuebn: valuebn.toJSON(), valuebn: valuebn.toJSON(),
scriptvi: scriptvi.toJSON(), scriptvi: scriptvi.toJSON(),
script: script.toJSON() script: script.toString()
}); });
var json = txout.toJSON(); var json = txout.toJSON();
should.exist(json.valuebn); should.exist(json.valuebn);