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64 lines
1.7 KiB
64 lines
1.7 KiB
const { describe, it } = require('mocha')
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const assert = require('assert')
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const bscriptSig = require('../src/script').signature
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const Buffer = require('safe-buffer').Buffer
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const fixtures = require('./fixtures/signature.json')
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describe('Script Signatures', function () {
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function fromRaw (signature) {
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return Buffer.concat([
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Buffer.from(signature.r, 'hex'),
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Buffer.from(signature.s, 'hex')
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], 64)
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}
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function toRaw (signature) {
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return {
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r: signature.slice(0, 32).toString('hex'),
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s: signature.slice(32, 64).toString('hex')
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}
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}
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describe('encode', function () {
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fixtures.valid.forEach(function (f) {
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it('encodes ' + f.hex, function () {
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const buffer = bscriptSig.encode(fromRaw(f.raw), f.hashType)
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assert.strictEqual(buffer.toString('hex'), f.hex)
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})
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})
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fixtures.invalid.forEach(function (f) {
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if (!f.raw) return
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it('throws ' + f.exception, function () {
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const signature = fromRaw(f.raw)
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assert.throws(function () {
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bscriptSig.encode(signature, f.hashType)
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}, new RegExp(f.exception))
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})
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})
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})
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describe('decode', function () {
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fixtures.valid.forEach(function (f) {
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it('decodes ' + f.hex, function () {
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const decode = bscriptSig.decode(Buffer.from(f.hex, 'hex'))
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assert.deepEqual(toRaw(decode.signature), f.raw)
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assert.strictEqual(decode.hashType, f.hashType)
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})
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})
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fixtures.invalid.forEach(function (f) {
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it('throws on ' + f.hex, function () {
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const buffer = Buffer.from(f.hex, 'hex')
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assert.throws(function () {
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bscriptSig.decode(buffer)
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}, new RegExp(f.exception))
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})
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})
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})
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})
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