63 lines
1.6 KiB
TypeScript
63 lines
1.6 KiB
TypeScript
import * as assert from 'assert';
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import { describe, it } from 'mocha';
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import { signature as bscriptSig } from '../src/script';
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import * as fixtures from './fixtures/signature.json';
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describe('Script Signatures', () => {
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function fromRaw(signature: { r: string; s: string }) {
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return Buffer.concat(
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[Buffer.from(signature.r, 'hex'), Buffer.from(signature.s, 'hex')],
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64,
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);
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}
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function toRaw(signature: Buffer) {
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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', () => {
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fixtures.valid.forEach(f => {
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it('encodes ' + f.hex, () => {
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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(f => {
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if (!f.raw) return;
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it('throws ' + f.exception, () => {
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const signature = fromRaw(f.raw);
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assert.throws(() => {
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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', () => {
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fixtures.valid.forEach(f => {
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it('decodes ' + f.hex, () => {
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const decode = bscriptSig.decode(Buffer.from(f.hex, 'hex'));
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assert.deepStrictEqual(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(f => {
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it('throws on ' + f.hex, () => {
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const buffer = Buffer.from(f.hex, 'hex');
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assert.throws(() => {
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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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