0d073fa89e
- Add GETTING_STARTED.md with quick start guide and development modes - Add INSTALL.sh automated installation script - Add INSTALLATION_CHECKLIST.md, INSTALLATION_SUCCESS.md, and INSTALLATION_SUMMARY.md - Add QUICK_REFERENCE.md for common commands - Add SETUP_GUIDE.md with detailed setup instructions - Update README.md with improved project overview - Add did-wallet app dependencies and node_modules
59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
import {
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Token,
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Type
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} from './token.js';
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import {
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assertEnoughData,
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decodeErrPrefix
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} from './common.js';
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import * as uint from './0uint.js';
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import {
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compare,
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fromString,
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slice
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} from './byte-utils.js';
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function toToken(data, pos, prefix, length) {
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assertEnoughData(data, pos, prefix + length);
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const buf = slice(data, pos + prefix, pos + prefix + length);
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return new Token(Type.bytes, buf, prefix + length);
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}
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export function decodeBytesCompact(data, pos, minor, _options) {
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return toToken(data, pos, 1, minor);
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}
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export function decodeBytes8(data, pos, _minor, options) {
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return toToken(data, pos, 2, uint.readUint8(data, pos + 1, options));
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}
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export function decodeBytes16(data, pos, _minor, options) {
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return toToken(data, pos, 3, uint.readUint16(data, pos + 1, options));
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}
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export function decodeBytes32(data, pos, _minor, options) {
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return toToken(data, pos, 5, uint.readUint32(data, pos + 1, options));
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}
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export function decodeBytes64(data, pos, _minor, options) {
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const l = uint.readUint64(data, pos + 1, options);
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if (typeof l === 'bigint') {
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throw new Error(`${ decodeErrPrefix } 64-bit integer bytes lengths not supported`);
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}
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return toToken(data, pos, 9, l);
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}
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function tokenBytes(token) {
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if (token.encodedBytes === undefined) {
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token.encodedBytes = token.type === Type.string ? fromString(token.value) : token.value;
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}
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return token.encodedBytes;
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}
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export function encodeBytes(buf, token) {
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const bytes = tokenBytes(token);
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uint.encodeUintValue(buf, token.type.majorEncoded, bytes.length);
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buf.push(bytes);
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}
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encodeBytes.encodedSize = function encodedSize(token) {
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const bytes = tokenBytes(token);
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return uint.encodeUintValue.encodedSize(bytes.length) + bytes.length;
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};
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encodeBytes.compareTokens = function compareTokens(tok1, tok2) {
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return compareBytes(tokenBytes(tok1), tokenBytes(tok2));
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};
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export function compareBytes(b1, b2) {
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return b1.length < b2.length ? -1 : b1.length > b2.length ? 1 : compare(b1, b2);
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} |