UNPKG

mcore-lib-matrixbit

Version:

A pure and powerful JavaScript Bitcoin Cash library.

921 lines (814 loc) 57.4 kB
'use strict'; var should = require('chai').should(); var expect = require('chai').expect; var bitcore = require('../..'); var BufferUtil = bitcore.util.buffer; var Script = bitcore.Script; var Networks = bitcore.Networks; var Opcode = bitcore.Opcode; var PublicKey = bitcore.PublicKey; var Address = bitcore.Address; describe('Script', function() { it('should make a new script', function() { var script = new Script(); expect(script).to.be.instanceof(Script); expect(script.chunks).to.deep.equal([]); }); it('should make a new script when from is null', function() { var script = new Script(null); expect(script).to.be.instanceof(Script); expect(script.chunks).to.deep.equal([]); }); describe('#set', function() { var script = new Script(); it('should be object', function() { expect(function() { script.set(null); }).to.throw(/^Invalid Argument$/) }); it('chunks should be array', function() { expect(function() { script.set({chunks: 1}); }).to.throw(/^Invalid Argument$/); }); it('set chunks', function() { script.set({chunks: [1]}); expect(script.chunks).to.deep.equal([1]); }); }); describe('#fromBuffer', function() { it('should parse this buffer containing an OP code', function() { var buf = new Buffer(1); buf[0] = Opcode.OP_0; var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].opcodenum.should.equal(buf[0]); }); it('should parse this buffer containing another OP code', function() { var buf = new Buffer(1); buf[0] = Opcode.OP_CHECKMULTISIG; var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].opcodenum.should.equal(buf[0]); }); it('should parse this buffer containing three bytes of data', function() { var buf = new Buffer([3, 1, 2, 3]); var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].buf.toString('hex').should.equal('010203'); }); it('should parse this buffer containing OP_PUSHDATA1 and three bytes of data', function() { var buf = new Buffer([0, 0, 1, 2, 3]); buf[0] = Opcode.OP_PUSHDATA1; buf.writeUInt8(3, 1); var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].buf.toString('hex').should.equal('010203'); }); it('should parse this buffer containing OP_PUSHDATA2 and three bytes of data', function() { var buf = new Buffer([0, 0, 0, 1, 2, 3]); buf[0] = Opcode.OP_PUSHDATA2; buf.writeUInt16LE(3, 1); var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].buf.toString('hex').should.equal('010203'); }); it('should parse this buffer containing OP_PUSHDATA4 and three bytes of data', function() { var buf = new Buffer([0, 0, 0, 0, 0, 1, 2, 3]); buf[0] = Opcode.OP_PUSHDATA4; buf.writeUInt16LE(3, 1); var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].buf.toString('hex').should.equal('010203'); }); it('should parse 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]); buf[0] = Opcode.OP_0; buf[1] = Opcode.OP_PUSHDATA4; buf.writeUInt16LE(3, 2); buf[buf.length - 1] = Opcode.OP_0; var script = Script.fromBuffer(buf); script.chunks.length.should.equal(3); script.chunks[0].opcodenum.should.equal(buf[0]); script.chunks[1].buf.toString('hex').should.equal('010203'); script.chunks[2].opcodenum.should.equal(buf[buf.length - 1]); }); }); describe('#toBuffer', function() { it('should output this buffer containing an OP code', function() { var buf = new Buffer(1); buf[0] = Opcode.OP_0; var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].opcodenum.should.equal(buf[0]); script.toBuffer().toString('hex').should.equal(buf.toString('hex')); }); it('should output this buffer containing another OP code', function() { var buf = new Buffer(1); buf[0] = Opcode.OP_CHECKMULTISIG; var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].opcodenum.should.equal(buf[0]); script.toBuffer().toString('hex').should.equal(buf.toString('hex')); }); it('should output this buffer containing three bytes of data', function() { var buf = new Buffer([3, 1, 2, 3]); var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].buf.toString('hex').should.equal('010203'); script.toBuffer().toString('hex').should.equal(buf.toString('hex')); }); it('should output this buffer containing OP_PUSHDATA1 and three bytes of data', function() { var buf = new Buffer([0, 0, 1, 2, 3]); buf[0] = Opcode.OP_PUSHDATA1; buf.writeUInt8(3, 1); var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].buf.toString('hex').should.equal('010203'); script.toBuffer().toString('hex').should.equal(buf.toString('hex')); }); it('should output this buffer containing OP_PUSHDATA2 and three bytes of data', function() { var buf = new Buffer([0, 0, 0, 1, 2, 3]); buf[0] = Opcode.OP_PUSHDATA2; buf.writeUInt16LE(3, 1); var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].buf.toString('hex').should.equal('010203'); script.toBuffer().toString('hex').should.equal(buf.toString('hex')); }); it('should output this buffer containing OP_PUSHDATA4 and three bytes of data', function() { var buf = new Buffer([0, 0, 0, 0, 0, 1, 2, 3]); buf[0] = Opcode.OP_PUSHDATA4; buf.writeUInt16LE(3, 1); var script = Script.fromBuffer(buf); script.chunks.length.should.equal(1); script.chunks[0].buf.toString('hex').should.equal('010203'); script.toBuffer().toString('hex').should.equal(buf.toString('hex')); }); 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]); buf[0] = Opcode.OP_0; buf[1] = Opcode.OP_PUSHDATA4; buf.writeUInt16LE(3, 2); buf[buf.length - 1] = Opcode.OP_0; var script = Script.fromBuffer(buf); script.chunks.length.should.equal(3); script.chunks[0].opcodenum.should.equal(buf[0]); script.chunks[1].buf.toString('hex').should.equal('010203'); script.chunks[2].opcodenum.should.equal(buf[buf.length - 1]); script.toBuffer().toString('hex').should.equal(buf.toString('hex')); }); }); describe('#fromASM', function() { it('should parse this known script in ASM', function() { var asm = 'OP_DUP OP_HASH160 f4c03610e60ad15100929cc23da2f3a799af1725 OP_EQUALVERIFY OP_CHECKSIG'; var script = Script.fromASM(asm); script.chunks[0].opcodenum.should.equal(Opcode.OP_DUP); script.chunks[1].opcodenum.should.equal(Opcode.OP_HASH160); script.chunks[2].opcodenum.should.equal(20); script.chunks[2].buf.toString('hex').should.equal('f4c03610e60ad15100929cc23da2f3a799af1725'); script.chunks[3].opcodenum.should.equal(Opcode.OP_EQUALVERIFY); script.chunks[4].opcodenum.should.equal(Opcode.OP_CHECKSIG); }); it('should parse this known problematic script in ASM', function () { var asm = 'OP_RETURN 026d02 0568656c6c6f'; var script = Script.fromASM(asm); script.toASM().should.equal(asm); }); it('should parse this long PUSHDATA1 script in ASM', function () { var buf = Buffer.alloc(220, 0); var asm = 'OP_RETURN ' + buf.toString('hex'); var script = Script.fromASM(asm); script.chunks[1].opcodenum.should.equal(Opcode.OP_PUSHDATA1) script.toASM().should.equal(asm); }); it('should parse this long PUSHDATA2 script in ASM', function () { var buf = Buffer.alloc(1024, 0); var asm = 'OP_RETURN ' + buf.toString('hex'); var script = Script.fromASM(asm); script.chunks[1].opcodenum.should.equal(Opcode.OP_PUSHDATA2) script.toASM().should.equal(asm); }); it('should parse this long PUSHDATA4 script in ASM', function () { var buf = Buffer.alloc(Math.pow(2, 17), 0); var asm = 'OP_RETURN ' + buf.toString('hex'); var script = Script.fromASM(asm); script.chunks[1].opcodenum.should.equal(Opcode.OP_PUSHDATA4) script.toASM().should.equal(asm); }); }); describe('#fromString', 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_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 3 0x010203 OP_0').toString().should.equal('OP_0 3 0x010203 OP_0'); }); }); 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() { var buf = new Buffer([0, 0, 0, 0, 0, 0, 1, 2, 3, 0]); buf[0] = Opcode.OP_0; buf[1] = Opcode.OP_PUSHDATA4; buf.writeUInt16LE(3, 2); buf[buf.length - 1] = Opcode.OP_0; var script = Script.fromBuffer(buf); script.chunks.length.should.equal(3); script.chunks[0].opcodenum.should.equal(buf[0]); script.chunks[1].buf.toString('hex').should.equal('010203'); script.chunks[2].opcodenum.should.equal(buf[buf.length - 1]); script.toString().toString('hex').should.equal('OP_0 OP_PUSHDATA4 3 0x010203 OP_0'); }); it('should output this known script as ASM', function() { var script = Script.fromHex('76a914f4c03610e60ad15100929cc23da2f3a799af172588ac'); script.toASM().should.equal('OP_DUP OP_HASH160 f4c03610e60ad15100929cc23da2f3a799af1725 OP_EQUALVERIFY OP_CHECKSIG'); }); it('should output this known script with pushdata1 opcode as ASM', function() { // network: livenet // txid: dd6fabd2d879be7b8394ad170ff908e9a36b5d5d0b394508df0cca36d2931589 var script = Script.fromHex('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'); script.toASM().should.equal('0 3045022100beb1d83771c04faaeb40bded4f031ed0e0730aaab77cf70102ecd05734a1762002206f168fb00f3b9d7c04b8c78e1fc11e81b9caa49885a904bf22780a7e14a8373101 3045022100a319839e37828bf164ff45de34a3fe22d542ebc8297c5d87dbc56fc3068ff9d5022077081a877b6e7f104d8a2fe0985bf2eb7de2e08edbac9499fc3710a353f6546101 522103a70ae7bde64333461fb88aaafe12ad6c67ca17c8213642469ae191e0aabc7251210344a62338c8ddf138771516d38187146242db50853aa588bcb10a5e49c86421a52102b52a1aed304c4d6cedcf82911f90ca6e1ffed0a5b8f7f19c68213d6fcbde677e53ae'); }); it('should OP_1NEGATE opcode as -1 with ASM', function() { var script = Script.fromString('OP_1NEGATE'); script.toASM().should.equal('-1'); }); }); describe('toHex', function() { it('should return an hexa string "03010203" as expected from [3, 1, 2, 3]', function() { var buf = new Buffer([3, 1, 2, 3]); var script = Script.fromBuffer(buf); script.toHex().should.equal('03010203'); }); }); describe('#isDataOut', function() { it('should know this is a (blank) OP_RETURN script', function() { Script('OP_RETURN').isDataOut().should.equal(true); }); it('validates that this two part OP_RETURN is standard', function() { Script.fromASM('OP_RETURN 026d02 0568656c6c6f').isDataOut().should.equal(true); }); it('validates that this 40-byte OP_RETURN is standard', function() { var buf = new Buffer(40); buf.fill(0); Script('OP_RETURN 40 0x' + buf.toString('hex')).isDataOut().should.equal(true); }); it('validates that this 80-byte OP_RETURN is standard', function() { var buf = new Buffer(80); buf.fill(0); Script('OP_RETURN OP_PUSHDATA1 80 0x' + buf.toString('hex')).isDataOut().should.equal(true); }); it('validates that this 220-byte OP_RETURN is standard', function() { var buf = new Buffer(220); buf.fill(0); Script('OP_RETURN OP_PUSHDATA1 220 0x' + buf.toString('hex')).isDataOut().should.equal(true); }); it('validates that this 40-byte long OP_CHECKMULTISIG is not standard op_return', function() { var buf = new Buffer(40); buf.fill(0); Script('OP_CHECKMULTISIG 40 0x' + buf.toString('hex')).isDataOut().should.equal(false); }); it('validates that this 221-byte OP_RETURN is not a valid standard OP_RETURN', function() { var buf = new Buffer(221); buf.fill(0); Script('OP_RETURN OP_PUSHDATA1 221 0x' + buf.toString('hex')).isDataOut().should.equal(false); }); }); describe('#isPublicKeyIn', function() { it('correctly identify scriptSig as a public key in', function() { // from txid: 5c85ed63469aa9971b5d01063dbb8bcdafd412b2f51a3d24abf2e310c028bbf8 // and input index: 5 var scriptBuffer = new Buffer('483045022050eb59c79435c051f45003d9f82865c8e4df5699d7722e77113ef8cadbd92109022100d4ab233e070070eb8e0e62e3d2d2eb9474a5bf135c9eda32755acb0875a6c20601', 'hex'); var script = bitcore.Script.fromBuffer(scriptBuffer); script.isPublicKeyIn().should.equal(true); }); }); describe('#isPublicKeyHashIn', function() { it('should identify this known pubkeyhashin (uncompressed pubkey version)', function() { Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 65 0x04e365859b3c78a8b7c202412b949ebca58e147dba297be29eee53cd3e1d300a6419bc780cc9aec0dc94ed194e91c8f6433f1b781ee00eac0ead2aae1e8e0712c6').isPublicKeyHashIn().should.equal(true); }); it('should identify this known pubkeyhashin (hybrid pubkey version w/06)', function() { Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 65 0x06e365859b3c78a8b7c202412b949ebca58e147dba297be29eee53cd3e1d300a6419bc780cc9aec0dc94ed194e91c8f6433f1b781ee00eac0ead2aae1e8e0712c6').isPublicKeyHashIn().should.equal(true); }); it('should identify this known pubkeyhashin (hybrid pubkey version w/07)', function() { Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 65 0x07e365859b3c78a8b7c202412b949ebca58e147dba297be29eee53cd3e1d300a6419bc780cc9aec0dc94ed194e91c8f6433f1b781ee00eac0ead2aae1e8e0712c6').isPublicKeyHashIn().should.equal(true); }); it('should identify this known pubkeyhashin (compressed pubkey w/ 0x02)', function() { Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 21 0x02aec6b86621e7fef63747fbfd6a6e7d54c8e1052044ef2dd2c5e46656ef1194d4').isPublicKeyHashIn().should.equal(true); }); it('should identify this known pubkeyhashin (compressed pubkey w/ 0x03)', function() { Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 21 0x03e724d93c4fda5f1236c525de7ffac6c5f1f72b0f5cdd1fc4b4f5642b6d055fcc').isPublicKeyHashIn().should.equal(true); }); it('should identify this known non-pubkeyhashin (bad ops length)', function() { Script('73 0x3046022100bb3c194a30e460d81d34be0a230179c043a656f67e3c5c8bf47eceae7c4042ee0221008bf54ca11b2985285be0fd7a212873d243e6e73f5fad57e8eb14c4f39728b8c601 65 0x04e365859b3c78a8b7c202412b949ebca58e147dba297be29eee53cd3e1d300a6419bc780cc9aec0dc94ed194e91c8f6433f1b781ee00eac0ead2aae1e8e0712c6 OP_CHECKSIG').isPublicKeyHashIn().should.equal(false); }); it('should identify this known pubkey', function() { Script('70 0x3043021f336721e4343f67c835cbfd465477db09073dc38a936f9c445d573c1c8a7fdf022064b0e3cb6892a9ecf870030e3066bc259e1f24841c9471d97f9be08b73f6530701 33 0x0370b2e1dcaa8f51cb0ead1221dd8cb31721502b3b5b7d4b374d263dfec63a4369').isPublicKeyHashIn().should.equal(true); }); it('should identify this known non-pubkeyhashin (bad version)', function() { Script('70 0x3043021f336721e4343f67c835cbfd465477db09073dc38a936f9c445d573c1c8a7fdf022064b0e3cb6892a9ecf870030e3066bc259e1f24841c9471d97f9be08b73f6530701 33 0x1270b2e1dcaa8f51cb0ead1221dd8cb31721502b3b5b7d4b374d263dfec63a4369').isPublicKeyHashIn().should.equal(false); }); it('should identify this known non-pubkeyhashin (bad signature version)', function() { Script('70 0x4043021f336721e4343f67c835cbfd465477db09073dc38a936f9c445d573c1c8a7fdf022064b0e3cb6892a9ecf870030e3066bc259e1f24841c9471d97f9be08b73f6530701 33 0x0370b2e1dcaa8f51cb0ead1221dd8cb31721502b3b5b7d4b374d263dfec63a4369').isPublicKeyHashIn().should.equal(false); }); it('should identify this known non-pubkeyhashin (no public key)', function() { Script('70 0x3043021f336721e4343f67c835cbfd465477db09073dc38a936f9c445d573c1c8a7fdf022064b0e3cb6892a9ecf870030e3066bc259e1f24841c9471d97f9be08b73f6530701 OP_CHECKSIG').isPublicKeyHashIn().should.equal(false); }); it('should identify this known non-pubkeyhashin (no signature)', function() { Script('OP_DROP OP_CHECKSIG').isPublicKeyHashIn().should.equal(false); }); }); describe('#isPublicKeyHashOut', function() { it('should identify this known pubkeyhashout as pubkeyhashout', function() { Script('OP_DUP OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG').isPublicKeyHashOut().should.equal(true); }); it('should identify this known non-pubkeyhashout as not pubkeyhashout 1', function() { Script('OP_DUP OP_HASH160 20 0x0000000000000000000000000000000000000000').isPublicKeyHashOut().should.equal(false); }); it('should identify this known non-pubkeyhashout as not pubkeyhashout 2', function() { Script('OP_DUP OP_HASH160 2 0x0000 OP_EQUALVERIFY OP_CHECKSIG').isPublicKeyHashOut().should.equal(false); }); }); describe('#isMultisigOut', function() { it('should identify known multisig out 1', function() { Script('OP_2 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 OP_2 OP_CHECKMULTISIG').isMultisigOut().should.equal(true); }); 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('#isMultisigIn', function() { it('should identify multisig in 1', function() { Script('OP_0 0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01').isMultisigIn().should.equal(true); }); it('should identify multisig in 2', function() { Script('OP_0 0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01 0x48 0x30450220357011fd3b3ad2b8f2f2d01e05dc6108b51d2a245b4ef40c112d6004596f0475022100a8208c93a39e0c366b983f9a80bfaf89237fcd64ca543568badd2d18ee2e1d7501').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('#isScriptHashIn', function() { it('should identify this known scripthashin', function() { var sstr = 'OP_0 73 0x30460221008ca148504190c10eea7f5f9c283c719a37be58c3ad617928011a1bb9570901d2022100ced371a23e86af6f55ff4ce705c57d2721a09c4d192ca39d82c4239825f75a9801 72 0x30450220357011fd3b3ad2b8f2f2d01e05dc6108b51d2a245b4ef40c112d6004596f0475022100a8208c93a39e0c366b983f9a80bfaf89237fcd64ca543568badd2d18ee2e1d7501 OP_PUSHDATA1 105 0x5221024c02dff2f0b8263a562a69ec875b2c95ffad860f428acf2f9e8c6492bd067d362103546324a1351a6b601c623b463e33b6103ca444707d5b278ece1692f1aa7724a42103b1ad3b328429450069cc3f9fa80d537ee66ba1120e93f3f185a5bf686fb51e0a53ae'; var s = Script(sstr); s.toString().should.equal(sstr); s.isScriptHashIn().should.equal(true); }); it('should identify this known non-scripthashin', function() { Script('20 0000000000000000000000000000000000000000 OP_CHECKSIG').isScriptHashIn().should.equal(false); }); it('should identify this problematic non-scripthashin scripts', function() { var s = new Script('71 0x3044022017053dad84aa06213749df50a03330cfd24d6' + 'b8e7ddbb6de66c03697b78a752a022053bc0faca8b4049fb3944a05fcf7c93b2861' + '734d39a89b73108f605f70f5ed3401 33 0x0225386e988b84248dc9c30f784b06e' + '02fdec57bbdbd443768eb5744a75ce44a4c'); var s2 = new Script('OP_RETURN 32 0x19fdb20634911b6459e6086658b3a6ad2dc6576bd6826c73ee86a5f9aec14ed9'); s.isScriptHashIn().should.equal(false); s2.isScriptHashIn().should.equal(false); }); it('identifies this other problematic non-p2sh in', function() { var s = Script.fromString('73 0x3046022100dc7a0a812de14acc479d98ae209402cc9b5e0692bc74b9fe0a2f083e2f9964b002210087caf04a711bebe5339fd7554c4f7940dc37be216a3ae082424a5e164faf549401'); s.isScriptHashIn().should.equal(false); }); }); describe('#isScripthashOut', function() { it('should identify this known p2shout as p2shout', function() { Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL').isScriptHashOut().should.equal(true); }); it('should identify result of .isScriptHashOut() as p2sh', function() { Script('OP_DUP OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG') .toScriptHashOut().isScriptHashOut().should.equal(true); }); it('should identify these known non-p2shout as not p2shout', function() { Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL OP_EQUAL').isScriptHashOut().should.equal(false); Script('OP_HASH160 21 0x000000000000000000000000000000000000000000 OP_EQUAL').isScriptHashOut().should.equal(false); }); }); describe('#isPushOnly', function() { it('should know these scripts are or aren\'t push only', function() { Script('OP_NOP 1 0x01').isPushOnly().should.equal(false); Script('OP_0').isPushOnly().should.equal(true); Script('OP_0 OP_RETURN').isPushOnly().should.equal(false); Script('OP_PUSHDATA1 5 0x1010101010').isPushOnly().should.equal(true); Script('OP_PUSHDATA2 5 0x1010101010').isPushOnly().should.equal(true); Script('OP_PUSHDATA4 5 0x1010101010').isPushOnly().should.equal(true); // like bitcoind, we regard OP_RESERVED as being "push only" Script('OP_RESERVED').isPushOnly().should.equal(true); }); }); describe('#classifyInput', function() { it('shouldn\'t classify public key hash out', function() { Script('OP_DUP OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG').classifyInput().should.equal(Script.types.UNKNOWN); }); it('should classify public key hash in', function() { Script('47 0x3044022077a8d81e656c4a1c1721e68ce35fa0b27f13c342998e75854858c12396a15ffa02206378a8c6959283c008c87a14a9c0ada5cf3934ac5ee29f1fef9cac6969783e9801 21 0x03993c230da7dabb956292851ae755f971c50532efc095a16bee07f83ab9d262df').classifyInput().should.equal(Script.types.PUBKEYHASH_IN); }); it('shouldn\'t classify script hash out', function() { Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL').classifyInput().should.equal(Script.types.UNKNOWN); }); it('should classify script hash in', function() { Script('OP_0 73 0x30460221008ca148504190c10eea7f5f9c283c719a37be58c3ad617928011a1bb9570901d2022100ced371a23e86af6f55ff4ce705c57d2721a09c4d192ca39d82c4239825f75a9801 72 0x30450220357011fd3b3ad2b8f2f2d01e05dc6108b51d2a245b4ef40c112d6004596f0475022100a8208c93a39e0c366b983f9a80bfaf89237fcd64ca543568badd2d18ee2e1d7501 OP_PUSHDATA1 105 0x5221024c02dff2f0b8263a562a69ec875b2c95ffad860f428acf2f9e8c6492bd067d362103546324a1351a6b601c623b463e33b6103ca444707d5b278ece1692f1aa7724a42103b1ad3b328429450069cc3f9fa80d537ee66ba1120e93f3f185a5bf686fb51e0a53ae').classifyInput().should.equal(Script.types.SCRIPTHASH_IN); }); it('shouldn\'t classify MULTISIG out', function() { Script('OP_2 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 OP_2 OP_CHECKMULTISIG').classifyInput().should.equal(Script.types.UNKNOWN); }); it('should classify MULTISIG in', function() { Script('OP_0 0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01').classifyInput().should.equal(Script.types.MULTISIG_IN); }); it('shouldn\'t classify OP_RETURN data out', function() { Script('OP_RETURN 1 0x01').classifyInput().should.equal(Script.types.UNKNOWN); }); it('shouldn\'t classify public key out', function() { Script('41 0x0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 OP_CHECKSIG').classifyInput().should.equal(Script.types.UNKNOWN); }); it('should classify public key in', function() { Script('47 0x3044022007415aa37ce7eaa6146001ac8bdefca0ddcba0e37c5dc08c4ac99392124ebac802207d382307fd53f65778b07b9c63b6e196edeadf0be719130c5db21ff1e700d67501').classifyInput().should.equal(Script.types.PUBKEY_IN); }); it('should classify unknown', function() { Script('OP_TRUE OP_FALSE').classifyInput().should.equal(Script.types.UNKNOWN); }); it('should classify scriptHashIn, eventhough it\'s opreturn', function() { Script('6a1c3630fd3792f7e847ae5e27985dfb127542ef37ac2a5147c3b9cec7ba').classifyInput().should.equal(Script.types.SCRIPTHASH_IN); }); }); describe('#classifyOutput', function() { it('should classify public key hash out', function() { Script('OP_DUP OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG').classifyOutput().should.equal(Script.types.PUBKEYHASH_OUT); }); it('shouldn\'t classify public key hash in', function() { Script('47 0x3044022077a8d81e656c4a1c1721e68ce35fa0b27f13c342998e75854858c12396a15ffa02206378a8c6959283c008c87a14a9c0ada5cf3934ac5ee29f1fef9cac6969783e9801 21 0x03993c230da7dabb956292851ae755f971c50532efc095a16bee07f83ab9d262df').classifyOutput().should.equal(Script.types.UNKNOWN); }); it('should classify script hash out', function() { Script('OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUAL').classifyOutput().should.equal(Script.types.SCRIPTHASH_OUT); }); it('shouldn\'t classify script hash in', function() { Script('OP_0 73 0x30460221008ca148504190c10eea7f5f9c283c719a37be58c3ad617928011a1bb9570901d2022100ced371a23e86af6f55ff4ce705c57d2721a09c4d192ca39d82c4239825f75a9801 72 0x30450220357011fd3b3ad2b8f2f2d01e05dc6108b51d2a245b4ef40c112d6004596f0475022100a8208c93a39e0c366b983f9a80bfaf89237fcd64ca543568badd2d18ee2e1d7501 OP_PUSHDATA1 105 0x5221024c02dff2f0b8263a562a69ec875b2c95ffad860f428acf2f9e8c6492bd067d362103546324a1351a6b601c623b463e33b6103ca444707d5b278ece1692f1aa7724a42103b1ad3b328429450069cc3f9fa80d537ee66ba1120e93f3f185a5bf686fb51e0a53ae').classifyOutput().should.equal(Script.types.UNKNOWN); }); it('should classify MULTISIG out', function() { Script('OP_2 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 OP_2 OP_CHECKMULTISIG').classifyOutput().should.equal(Script.types.MULTISIG_OUT); }); it('shouldn\'t classify MULTISIG in', function() { Script('OP_0 0x47 0x3044022002a27769ee33db258bdf7a3792e7da4143ec4001b551f73e6a190b8d1bde449d02206742c56ccd94a7a2e16ca52fc1ae4a0aa122b0014a867a80de104f9cb18e472c01').classifyOutput().should.equal(Script.types.UNKNOWN); }); it('should classify OP_RETURN data out', function() { Script('OP_RETURN 1 0x01').classifyOutput().should.equal(Script.types.DATA_OUT); }); it('should classify public key out', function() { Script('41 0x0479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8 OP_CHECKSIG').classifyOutput().should.equal(Script.types.PUBKEY_OUT); }); it('shouldn\'t classify public key in', function() { Script('47 0x3044022007415aa37ce7eaa6146001ac8bdefca0ddcba0e37c5dc08c4ac99392124ebac802207d382307fd53f65778b07b9c63b6e196edeadf0be719130c5db21ff1e700d67501').classifyOutput().should.equal(Script.types.UNKNOWN); }); it('should classify unknown', function() { Script('OP_TRUE OP_FALSE').classifyOutput().should.equal(Script.types.UNKNOWN); }); it('should classify opreturn eventhough it also looks like a scriptHashIn', function() { Script('6a1c3630fd3792f7e847ae5e27985dfb127542ef37ac2a5147c3b9cec7ba').classifyOutput().should.equal(Script.types.DATA_OUT); }); }); describe('#classify', function() { it('should classify public key hash out', function() { Script('OP_DUP OP_HASH160 20 0x0000000000000000000000000000000000000000 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 data out', function() { Script('OP_RETURN 1 0x01').classify().should.equal(Script.types.DATA_OUT); }); 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); }); it('should classify opreturn eventhough it also looks like a scriptHashIn', function() { Script('6a1c3630fd3792f7e847ae5e27985dfb127542ef37ac2a5147c3b9cec7ba').classifyInput().should.equal(Script.types.SCRIPTHASH_IN); Script('6a1c3630fd3792f7e847ae5e27985dfb127542ef37ac2a5147c3b9cec7ba').classify().should.equal(Script.types.DATA_OUT); }); it('should classify scriptHashIn eventhough it is opreturn when script is marked is input', function() { Script('6a1c3630fd3792f7e847ae5e27985dfb127542ef37ac2a5147c3b9cec7ba').classify().should.equal(Script.types.DATA_OUT); var s = Script('6a1c3630fd3792f7e847ae5e27985dfb127542ef37ac2a5147c3b9cec7ba'); s._isInput = true; // this is normally set by when Script is initiated as part if Input or Output objects s.classify().should.equal(Script.types.SCRIPTHASH_IN); }); it('should classify unknown eventhough it is public key hash when marked as input', function() { Script('OP_DUP OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG').classify().should.equal(Script.types.PUBKEYHASH_OUT); var s = Script('OP_DUP OP_HASH160 20 0x0000000000000000000000000000000000000000 OP_EQUALVERIFY OP_CHECKSIG'); s._isInput = true; // this is normally set by when Script is initiated as part if Input or Output objects s.classify().should.equal(Script.types.UNKNOWN); }); it('should classify unknown eventhough it is public key hash in when marked as output', function() { var s = Script('47 0x3044022077a8d81e656c4a1c1721e68ce35fa0b27f13c342998e75854858c12396a15ffa02206378a8c6959283c008c87a14a9c0ada5cf3934ac5ee29f1fef9cac6969783e9801 21 0x03993c230da7dabb956292851ae755f971c50532efc095a16bee07f83ab9d262df'); s.classify().should.equal(Script.types.PUBKEYHASH_IN); s._isOutput = true; // this is normally set by when Script is initiated as part if Input or Output objects s.classify().should.equal(Script.types.UNKNOWN); }); }); describe('#add and #prepend', function() { it('should add these ops', function() { Script().add(1).add(10).add(186).toString().should.equal('0x01 0x0a OP_CHECKDATASIG'); Script().add(1000).toString().should.equal('0x03e8'); 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(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); buf.fill(0); Script().add(buf).toString().should.equal('1 0x00'); buf = new Buffer(255); buf.fill(0); Script().add(buf).toString().should.equal('OP_PUSHDATA1 255 0x' + buf.toString('hex')); buf = new Buffer(256); buf.fill(0); Script().add(buf).toString().should.equal('OP_PUSHDATA2 256 0x' + buf.toString('hex')); buf = new Buffer(Math.pow(2, 16)); buf.fill(0); 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'); Script().add(Opcode.map.OP_CHECKMULTISIG).toString().should.equal('OP_CHECKMULTISIG'); var buf = new Buffer(1); buf.fill(0); Script().add(buf).toString().should.equal('1 0x00'); }); it('should work for no data OP_RETURN', function() { Script().add(Opcode.OP_RETURN).add(new Buffer('')).toString().should.equal('OP_RETURN'); }); it('works with objects', function() { Script().add({ opcodenum: 106 }).toString().should.equal('OP_RETURN'); }); it('works with another script', function() { var someScript = Script('OP_2 21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 ' + '21 0x038282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508 OP_2 OP_CHECKMULTISIG'); var s = new Script().add(someScript); s.toString() .should.equal(someScript.toString()); }); it('fails with wrong type', function() { var fails = function() { return new Script().add(true); }; fails.should.throw('Invalid script chunk'); }); }); 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); }); }); describe('#buildMultisigOut', function() { var pubKeyHexes = [ '022df8750480ad5b26950b25c7ba79d3e37d75f640f8e5d9bcd5b150a0f85014da', '03e3818b65bcc73a7d64064106a859cc1a5a728c4345ff0b641209fba0d90de6e9', '021f2f6e1e50cb6a953935c3601284925decd3fd21bc445712576873fb8c6ebc18', '02bf97f572a02a8900246d72c2e8fa3d3798a6e59c4e17de2d131d9c60d0d9b574', '036a98a36aa7665874b1ba9130bc6d318e52fd3bdb5969532d7fc09bf2476ff842', '033aafcbead78c08b0e0aacc1b0cdb40702a7c709b660bebd286e973242127e15b', ]; var sortkeys = pubKeyHexes.slice(0, 3).map(PublicKey); it('should create sorted script by default', function() { var s = Script.buildMultisigOut(sortkeys, 2); s.toString().should.equal('OP_2 33 0x021f2f6e1e50cb6a953935c3601284925decd3fd21bc445712576873fb8c6ebc18 33 0x022df8750480ad5b26950b25c7ba79d3e37d75f640f8e5d9bcd5b150a0f85014da 33 0x03e3818b65bcc73a7d64064106a859cc1a5a728c4345ff0b641209fba0d90de6e9 OP_3 OP_CHECKMULTISIG'); s.isMultisigOut().should.equal(true); }); it('should fail when number of required signatures is greater than number of pubkeys', function() { expect(sortkeys.length).to.equal(3); expect(function() { return Script.buildMultisigOut(sortkeys, 4); }).to.throw('Number of required signatures must be less than or equal to the number of public keys'); }); it('should create unsorted script if specified', function() { var s = Script.buildMultisigOut(sortkeys, 2); var u = Script.buildMultisigOut(sortkeys, 2, { noSorting: true }); s.toString().should.not.equal(u.toString()); u.toString().should.equal('OP_2 33 0x022df8750480ad5b26950b25c7ba79d3e37d75f640f8e5d9bcd5b150a0f85014da 33 0x03e3818b65bcc73a7d64064106a859cc1a5a728c4345ff0b641209fba0d90de6e9 33 0x021f2f6e1e50cb6a953935c3601284925decd3fd21bc445712576873fb8c6ebc18 OP_3 OP_CHECKMULTISIG'); s.isMultisigOut().should.equal(true); }); var test_mn = function(m, n) { var pubkeys = pubKeyHexes.slice(0, n).map(PublicKey); var s = Script.buildMultisigOut(pubkeys, m); s.isMultisigOut().should.equal(true); }; for (var n = 1; n < 6; n++) { for (var m = 1; m <= n; m++) { it('should create ' + m + '-of-' + n, test_mn.bind(null, m, n)); } } }); describe('#buildPublicKeyHashOut', function() { it('should create script from livenet address', function() { var address = Address.fromString('matrixbit:qqrsvl0mxgmedtnzgu7hwwerjy680j2m3y0apfgyuq'); var s = Script.buildPublicKeyHashOut(address); should.exist(s); s.toString().should.equal('OP_DUP OP_HASH160 20 0x07067dfb323796ae62473d773b23913477c95b89 OP_EQUALVERIFY OP_CHECKSIG'); s.isPublicKeyHashOut().should.equal(true); s.toAddress().toString().should.equal('matrixbit:qqrsvl0mxgmedtnzgu7hwwerjy680j2m3y0apfgyuq'); }); it('should create script from testnet address', function() { var address = Address.fromString('mbxtest:qr5hxqzh6uag54ypzfdd3sh0n9l395vp3qpwpht2ns'); var s = Script.buildPublicKeyHashOut(address); should.exist(s); s.toString().should.equal('OP_DUP OP_HASH160 20 0xe9730057d73a8a5481125ad8c2ef997f12d18188 OP_EQUALVERIFY OP_CHECKSIG'); s.isPublicKeyHashOut().should.equal(true); s.toAddress().toString().should.equal('mbxtest:qr5hxqzh6uag54ypzfdd3sh0n9l395vp3qpwpht2ns'); }); it('should create script from public key', function() { var pubkey = new PublicKey('022df8750480ad5b26950b25c7ba79d3e37d75f640f8e5d9bcd5b150a0f85014da'); var s = Script.buildPublicKeyHashOut(pubkey); should.exist(s); s.toString().should.equal('OP_DUP OP_HASH160 20 0x9674af7395592ec5d91573aa8d6557de55f60147 OP_EQUALVERIFY OP_CHECKSIG'); s.isPublicKeyHashOut().should.equal(true); should.exist(s._network); s._network.should.equal(pubkey.network); }); }); describe('#buildPublicKeyOut', function() { it('should create script from public key', function() { var pubkey = new PublicKey('022df8750480ad5b26950b25c7ba79d3e37d75f640f8e5d9bcd5b150a0f85014da'); var s = Script.buildPublicKeyOut(pubkey); should.exist(s); s.toString().should.equal('33 0x022df8750480ad5b26950b25c7ba79d3e37d75f640f8e5d9bcd5b150a0f85014da OP_CHECKSIG'); s.isPublicKeyOut().should.equal(true); }); }); describe('#buildDataOut', function() { it('should create script from no data', function() { var s = Script.buildDataOut(); should.exist(s); s.toString().should.equal('OP_RETURN'); s.isDataOut().should.equal(true); }); it('should create script from empty data', function() { var data = new Buffer(''); var s = Script.buildDataOut(data); should.exist(s); s.toString().should.equal('OP_RETURN'); s.isDataOut().should.equal(true); }); it('should create script from some data', function() { var data = new Buffer('bacacafe0102030405', 'hex'); var s = Script.buildDataOut(data); should.exist(s); s.toString().should.equal('OP_RETURN 9 0xbacacafe0102030405'); s.isDataOut().should.equal(true); }); it('should create script from string', function() { var data = 'hello world!!!'; var s = Script.buildDataOut(data); should.exist(s); s.toString().should.equal('OP_RETURN 14 0x68656c6c6f20776f726c64212121'); s.isDataOut().should.equal(true); }); it('should create script from a hex string', function() { var hexString = 'abcdef0123456789'; var s = Script.buildDataOut(hexString, 'hex'); should.exist(s); s.toString().should.equal('OP_RETURN 8 0xabcdef0123456789'); s.isDataOut().should.equal(true); }); }); describe('#buildScriptHashOut', function() { it('should create script from another script', function() { var inner = new Script('OP_DUP OP_HASH160 20 0x06c06f6d931d7bfba2b5bd5ad0d19a8f257af3e3 OP_EQUALVERIFY OP_CHECKSIG'); var s = Script.buildScriptHashOut(inner); should.exist(s); s.toString().should.equal('OP_HASH160 20 0x45ea3f9133e7b1cef30ba606f8433f993e41e159 OP_EQUAL'); s.isScriptHashOut().should.equal(true); }); it('inherits network property from other script', function() { var s1 = new Script.fromAddress(new Address('Si5Xdprnn2Y1QhwxrPd7kcS7X4SQUJLAkh')); var s2 = Script.buildScriptHashOut(s1); should.exist(s1._network); s1._network.should.equal(s2._network); }); it('inherits network property form an address', function() { var address = new Address('SVb7mg2WYLYiSP2QGiTUK5sJQ7sz2fPS3X'); var script = Script.buildScriptHashOut(address); should.exist(script._network); script._network.should.equal(address.network); }); }); describe('#toScriptHashOut', function() { it('should create script from another script', function() { var s = new Script('OP_DUP OP_HASH160 20 0x06c06f6d931d7bfba2b5bd5ad0d19a8f257af3e3 OP_EQUALVERIFY OP_CHECKSIG'); var sho = s.toScriptHashOut(); sho.toString().should.equal('OP_HASH160 20 0x45ea3f9133e7b1cef30ba606f8433f993e41e159 OP_EQUAL'); sho.isScriptHashOut().should.equal(true); }); }); describe('#removeCodeseparators', function() { it('should remove any OP_CODESEPARATORs', function() { Script('OP_CODESEPARATOR OP_0 OP_CODESEPARATOR').removeCodeseparators().toString().should.equal('OP_0'); }); }); describe('#findAndDelete', function() { it('should find and delete this buffer', function() { Script('OP_RETURN 2 0xf0f0') .findAndDelete(Script('2 0xf0f0')) .toString() .should.equal('OP_RETURN'); }); it('should do nothing', function() { Script('OP_RETURN 2 0xf0f0') .findAndDelete(Script('2 0xffff')) .toString() .should.equal('OP_RETURN 2 0xf0f0'); }); }); describe('#checkMinimalPush', function() { it('should check these minimal pushes', function() { Script().add(1).checkMinimalPush(0).should.equal(true); Script().add(0).checkMinimalPush(0).should.equal(true); Script().add(-1).checkMinimalPush(0).should.equal(true); Script().add(1000).checkMinimalPush(0).should.equal(true); Script().add(0xffffffff).checkMinimalPush(0).should.equal(true); Script().add(0xffffffffffffffff).checkMinimalPush(0).should.equal(true); Script().add(new Buffer([0])).checkMinimalPush(0).should.equal(true); var buf = new Buffer(75); buf.fill(1); Script().add(buf).checkMinimalPush(0).should.equal(true); buf = new Buffer(76); buf.fill(1); Script().add(buf).checkMinimalPush(0).should.equal(true); buf = new Buffer(256); buf.fill(1); Script().add(buf).checkMinimalPush(0).should.equal(true); }); }); describe('getData returns associated data', function() { it('works with this testnet transaction', function() { // testnet block: 00000000a36400fc06440512354515964bc36ecb0020bd0b0fd48ae201965f54 // txhash: e362e21ff1d2ef78379d401d89b42ce3e0ce3e245f74b1f4cb624a8baa5d53ad (output 0); var script = Script.fromBuffer(new Buffer('6a', 'hex')); var dataout = script.isDataOut(); dataout.should.equal(true); var data = script.getData(); data.should.deep.equal(new Buffer(0)); }); it('for a P2PKH address', function() { var address = Address.fromString('MXsuixj3ahmXYnbdDXCx83FvWYJdgKLpNr'); var script = Script.buildPublicKeyHashOut(address); expect(BufferUtil.equal(script.getData(), address.hashBuffer)).to.be.equal(true); }); it('for a P2SH address', function() { var address = Address.fromString('matrixbit:qqrsvl0mxgmedtnzgu7hwwerjy680j2m3y0apfgyuq'); var script = new Script(address); expect(BufferUtil.equal(script.getData(), address.hashBuffer)).to.be.equal(true); }); it('for a standard opreturn output', function() { expect(BufferUtil.equal(Script('OP_RETURN 1 0xFF').getData(), new Buffer([255]))).to.be.equal(true); }); it('fails if content is not recognized', function() { expect(function() { return Script('1 0xFF