Beta 7 with some repo names changed.

2020-11-15 13:05:19 +01:00
1 parent 0f7b40cca7
commit 963c19493a
@@ -0,0 +1,3 @@
+/*! For license information please see index.min.js.LICENSE */
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Multicodec=t():e.Multicodec=t()}(window,(function(){return function(e){var t={};function n(r){if(t[r])return t[r].exports;var i=t[r]={i:r,l:!1,exports:{}};return e[r].call(i.exports,i,i.exports,n),i.l=!0,i.exports}return n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)n.d(r,i,function(t){return e[t]}.bind(null,i));return r},n.n=function(e){var 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truncated
+//# sourceMappingURL=index.min.js.map
@@ -0,0 +1,9 @@
+'use strict'
+
+const multicodec = require('multicodec')
+
+const prefixedProtobuf = multicodec.addPrefix('protobuf', Buffer.from('some protobuf code'))
+
+// eslint-disable-next-line no-console
+console.log(prefixedProtobuf)
+// => prefixedProtobuf 0x50...
@@ -0,0 +1,135 @@
+{
+  "_from": "multicodec@^0.5.5",
+  "_id": "multicodec@0.5.7",
+  "_inBundle": false,
+  "_integrity": "sha512-PscoRxm3f+88fAtELwUnZxGDkduE2HD9Q6GHUOywQLjOGT/HAdhjLDYNZ1e7VR0s0TP0EwZ16LNUTFpoBGivOA==",
+  "_location": "/multicodec",
+  "_phantomChildren": {},
+  "_requested": {
+    "type": "range",
+    "registry": true,
+    "raw": "multicodec@^0.5.5",
+    "name": "multicodec",
+    "escapedName": "multicodec",
+    "rawSpec": "^0.5.5",
+    "saveSpec": null,
+    "fetchSpec": "^0.5.5"
+  },
+  "_requiredBy": [
+    "/content-hash"
+  ],
+  "_resolved": "https://registry.npmjs.org/multicodec/-/multicodec-0.5.7.tgz",
+  "_shasum": "1fb3f9dd866a10a55d226e194abba2dcc1ee9ffd",
+  "_spec": "multicodec@^0.5.5",
+  "_where": "C:\\Users\\Luis\\source\\repos\\AAMasters\\BackendServers\\node_modules\\content-hash",
+  "bugs": {
+    "url": "https://github.com/multiformats/js-multicodec/issues"
+  },
+  "bundleDependencies": false,
+  "contributors": [
+    {
+      "name": "David Dias",
+      "email": "daviddias.p@gmail.com"
+    },
+    {
+      "name": "Filip Š",
+      "email": "filip.stamcar@hotmail.com"
+    },
+    {
+      "name": "Friedel Ziegelmayer",
+      "email": "dignifiedquire@gmail.com"
+    },
+    {
+      "name": "Henrique Dias",
+      "email": "hacdias@gmail.com"
+    },
+    {
+      "name": "Marcin Rataj",
+      "email": "lidel@lidel.org"
+    },
+    {
+      "name": "Mikeal Rogers",
+      "email": "mikeal.rogers@gmail.com"
+    },
+    {
+      "name": "Richard Littauer",
+      "email": "richard.littauer@gmail.com"
+    },
+    {
+      "name": "Volker Mische",
+      "email": "volker.mische@gmail.com"
+    },
+    {
+      "name": "achingbrain",
+      "email": "alex@achingbrain.net"
+    },
+    {
+      "name": "kumavis",
+      "email": "kumavis@users.noreply.github.com"
+    },
+    {
+      "name": "kumavis",
+      "email": "aaron@kumavis.me"
+    },
+    {
+      "name": "wanderer",
+      "email": "mjbecze@gmail.com"
+    },
+    {
+      "name": "Łukasz Magiera",
+      "email": "magik6k@users.noreply.github.com"
+    },
+    {
+      "name": "ᴠɪᴄᴛᴏʀ ʙᴊᴇʟᴋʜᴏʟᴍ",
+      "email": "victorbjelkholm@gmail.com"
+    }
+  ],
+  "dependencies": {
+    "varint": "^5.0.0"
+  },
+  "deprecated": "stable api reached",
+  "description": "JavaScript implementation of the multicodec specification",
+  "devDependencies": {
+    "aegir": "^20.5.0",
+    "bent": "^7.0.4",
+    "chai": "^4.2.0",
+    "dirty-chai": "^2.0.1",
+    "pre-push": "~0.1.1"
+  },
+  "homepage": "https://github.com/multiformats/js-multicodec#readme",
+  "keywords": [
+    "IPFS",
+    "multiformats",
+    "multicodec",
+    "binary",
+    "packed",
+    "the",
+    "data!"
+  ],
+  "leadMaintainer": "Henrique Dias <hacdias@gmail.com>",
+  "license": "MIT",
+  "main": "src/index.js",
+  "name": "multicodec",
+  "pre-push": [
+    "lint",
+    "test"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/multiformats/js-multicodec.git"
+  },
+  "scripts": {
+    "build": "aegir build",
+    "coverage": "aegir coverage",
+    "coverage-publish": "aegir coverage --provider coveralls",
+    "docs": "aegir docs",
+    "lint": "aegir lint",
+    "release": "aegir release",
+    "release-major": "aegir release --type major",
+    "release-minor": "aegir release --type minor",
+    "test": "aegir test",
+    "test:browser": "aegir test --target browser",
+    "test:node": "aegir test --target node"
+  },
+  "version": "0.5.7"
+}
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+{
+  "identity": 0,
+  "ip4": 4,
+  "tcp": 6,
+  "sha1": 17,
+  "sha2-256": 18,
+  "sha2-512": 19,
+  "sha3-512": 20,
+  "sha3-384": 21,
+  "sha3-256": 22,
+  "sha3-224": 23,
+  "shake-128": 24,
+  "shake-256": 25,
+  "keccak-224": 26,
+  "keccak-256": 27,
+  "keccak-384": 28,
+  "keccak-512": 29,
+  "dccp": 33,
+  "murmur3-128": 34,
+  "murmur3-32": 35,
+  "ip6": 41,
+  "ip6zone": 42,
+  "path": 47,
+  "multicodec": 48,
+  "multihash": 49,
+  "multiaddr": 50,
+  "multibase": 51,
+  "dns": 53,
+  "dns4": 54,
+  "dns6": 55,
+  "dnsaddr": 56,
+  "protobuf": 80,
+  "cbor": 81,
+  "raw": 85,
+  "dbl-sha2-256": 86,
+  "rlp": 96,
+  "bencode": 99,
+  "dag-pb": 112,
+  "dag-cbor": 113,
+  "libp2p-key": 114,
+  "git-raw": 120,
+  "torrent-info": 123,
+  "torrent-file": 124,
+  "leofcoin-block": 129,
+  "leofcoin-tx": 130,
+  "leofcoin-pr": 131,
+  "sctp": 132,
+  "eth-block": 144,
+  "eth-block-list": 145,
+  "eth-tx-trie": 146,
+  "eth-tx": 147,
+  "eth-tx-receipt-trie": 148,
+  "eth-tx-receipt": 149,
+  "eth-state-trie": 150,
+  "eth-account-snapshot": 151,
+  "eth-storage-trie": 152,
+  "bitcoin-block": 176,
+  "bitcoin-tx": 177,
+  "zcash-block": 192,
+  "zcash-tx": 193,
+  "stellar-block": 208,
+  "stellar-tx": 209,
+  "md4": 212,
+  "md5": 213,
+  "bmt": 214,
+  "decred-block": 224,
+  "decred-tx": 225,
+  "ipld-ns": 226,
+  "ipfs-ns": 227,
+  "swarm-ns": 228,
+  "ipns-ns": 229,
+  "zeronet": 230,
+  "ed25519-pub": 237,
+  "dash-block": 240,
+  "dash-tx": 241,
+  "swarm-manifest": 250,
+  "swarm-feed": 251,
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+  "p2p-webrtc-star": 275,
+  "p2p-webrtc-direct": 276,
+  "p2p-stardust": 277,
+  "p2p-circuit": 290,
+  "dag-json": 297,
+  "udt": 301,
+  "utp": 302,
+  "unix": 400,
+  "p2p": 421,
+  "ipfs": 421,
+  "https": 443,
+  "onion": 444,
+  "onion3": 445,
+  "garlic64": 446,
+  "garlic32": 447,
+  "tls": 448,
+  "quic": 460,
+  "ws": 477,
+  "wss": 478,
+  "p2p-websocket-star": 479,
+  "http": 480,
+  "json": 512,
+  "messagepack": 513,
+  "x11": 4352,
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+  "skein1024-888": 46031,
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+  "skein1024-984": 46043,
+  "skein1024-992": 46044,
+  "skein1024-1000": 46045,
+  "skein1024-1008": 46046,
+  "skein1024-1016": 46047,
+  "skein1024-1024": 46048,
+  "holochain-adr-v0": 8417572,
+  "holochain-adr-v1": 8483108,
+  "holochain-key-v0": 9728292,
+  "holochain-key-v1": 9793828,
+  "holochain-sig-v0": 10645796,
+  "holochain-sig-v1": 10711332
+}
@@ -0,0 +1,12 @@
+'use strict'
+
+const table = require('./base-table.json')
+
+// map for codecConstant -> code
+const constants = {}
+
+for (const [name, code] of Object.entries(table)) {
+  constants[name.toUpperCase().replace(/-/g, '_')] = code
+}
+
+module.exports = Object.freeze(constants)
@@ -0,0 +1,126 @@
+/**
+ * Implementation of the multicodec specification.
+ *
+ * @module multicodec
+ * @example
+ * const multicodec = require('multicodec')
+ *
+ * const prefixedProtobuf = multicodec.addPrefix('protobuf', protobufBuffer)
+ * // prefixedProtobuf 0x50...
+ *
+ */
+'use strict'
+
+const varint = require('varint')
+const intTable = require('./int-table')
+const codecNameToCodeVarint = require('./varint-table')
+const util = require('./util')
+
+exports = module.exports
+
+/**
+ * Prefix a buffer with a multicodec-packed.
+ *
+ * @param {string|number} multicodecStrOrCode
+ * @param {Buffer} data
+ * @returns {Buffer}
+ */
+exports.addPrefix = (multicodecStrOrCode, data) => {
+  let prefix
+
+  if (Buffer.isBuffer(multicodecStrOrCode)) {
+    prefix = util.varintBufferEncode(multicodecStrOrCode)
+  } else {
+    if (codecNameToCodeVarint[multicodecStrOrCode]) {
+      prefix = codecNameToCodeVarint[multicodecStrOrCode]
+    } else {
+      throw new Error('multicodec not recognized')
+    }
+  }
+  return Buffer.concat([prefix, data])
+}
+
+/**
+ * Decapsulate the multicodec-packed prefix from the data.
+ *
+ * @param {Buffer} data
+ * @returns {Buffer}
+ */
+exports.rmPrefix = (data) => {
+  varint.decode(data)
+  return data.slice(varint.decode.bytes)
+}
+
+/**
+ * Get the codec of the prefixed data.
+ * @param {Buffer} prefixedData
+ * @returns {string}
+ */
+exports.getCodec = (prefixedData) => {
+  const code = varint.decode(prefixedData)
+  const codecName = intTable.get(code)
+  if (codecName === undefined) {
+    throw new Error(`Code ${code} not found`)
+  }
+  return codecName
+}
+
+/**
+ * Get the name of the codec.
+ * @param {number} codec
+ * @returns {string}
+ */
+exports.getName = (codec) => {
+  return intTable.get(codec)
+}
+
+/**
+ * Get the code of the codec
+ * @param {string} name
+ * @returns {number}
+ */
+exports.getNumber = (name) => {
+  const code = codecNameToCodeVarint[name]
+  if (code === undefined) {
+    throw new Error('Codec `' + name + '` not found')
+  }
+  return util.varintBufferDecode(code)[0]
+}
+
+/**
+ * Get the code of the prefixed data.
+ * @param {Buffer} prefixedData
+ * @returns {number}
+ */
+exports.getCode = (prefixedData) => {
+  return varint.decode(prefixedData)
+}
+
+/**
+ * Get the code as varint of a codec name.
+ * @param {string} codecName
+ * @returns {Buffer}
+ */
+exports.getCodeVarint = (codecName) => {
+  const code = codecNameToCodeVarint[codecName]
+  if (code === undefined) {
+    throw new Error('Codec `' + codecName + '` not found')
+  }
+  return code
+}
+
+/**
+ * Get the varint of a code.
+ * @param {Number} code
+ * @returns {Array.<number>}
+ */
+exports.getVarint = (code) => {
+  return varint.encode(code)
+}
+
+// Make the constants top-level constants
+const constants = require('./constants')
+Object.assign(exports, constants)
+
+// Human friendly names for printing, e.g. in error messages
+exports.print = require('./print')
@@ -0,0 +1,12 @@
+'use strict'
+const baseTable = require('./base-table.json')
+
+// map for hexString -> codecName
+const nameTable = new Map()
+
+for (const encodingName in baseTable) {
+  const code = baseTable[encodingName]
+  nameTable.set(code, encodingName)
+}
+
+module.exports = Object.freeze(nameTable)
@@ -0,0 +1,12 @@
+'use strict'
+
+const table = require('./base-table.json')
+
+// map for code -> print friendly name
+const tableByCode = {}
+
+for (const [name, code] of Object.entries(table)) {
+  if (tableByCode[code] === undefined) tableByCode[code] = name
+}
+
+module.exports = Object.freeze(tableByCode)
@@ -0,0 +1,34 @@
+'use strict'
+const varint = require('varint')
+
+module.exports = {
+  numberToBuffer,
+  bufferToNumber,
+  varintBufferEncode,
+  varintBufferDecode,
+  varintEncode
+}
+
+function bufferToNumber (buf) {
+  return parseInt(buf.toString('hex'), 16)
+}
+
+function numberToBuffer (num) {
+  let hexString = num.toString(16)
+  if (hexString.length % 2 === 1) {
+    hexString = '0' + hexString
+  }
+  return Buffer.from(hexString, 'hex')
+}
+
+function varintBufferEncode (input) {
+  return Buffer.from(varint.encode(bufferToNumber(input)))
+}
+
+function varintBufferDecode (input) {
+  return numberToBuffer(varint.decode(input))
+}
+
+function varintEncode (num) {
+  return Buffer.from(varint.encode(num))
+}
@@ -0,0 +1,14 @@
+'use strict'
+
+const baseTable = require('./base-table.json')
+const varintEncode = require('./util').varintEncode
+
+// map for codecName -> codeVarintBuffer
+const varintTable = {}
+
+for (const encodingName in baseTable) {
+  const code = baseTable[encodingName]
+  varintTable[encodingName] = varintEncode(code)
+}
+
+module.exports = Object.freeze(varintTable)
@@ -0,0 +1,30 @@
+'use strict'
+
+const bent = require('bent')
+const path = require('path')
+
+const get = bent('string')
+const url = 'https://raw.githubusercontent.com/multiformats/multicodec/master/table.csv'
+const fs = require('fs')
+
+const parse = async function * () {
+  const str = await get(url)
+  const lines = str.split('\n')
+  lines.shift()
+  for (const line of lines) {
+    if (!line.length) continue
+    const [name, tag, code] = line.split(',')
+    yield { name: name.trim(), tag: tag.trim(), code: parseInt(code.trim(), 16) }
+  }
+}
+
+const run = async () => {
+  const table = {}
+
+  for await (const { name, code } of parse()) {
+    table[name] = code
+  }
+
+  fs.writeFileSync(path.join(__dirname, '../src/base-table.json'), JSON.stringify(table, null, 2))
+}
+run()