From 0290f57bf4d35534e21f46abe432d7d21c6ff980 Mon Sep 17 00:00:00 2001
From: Matthias Kretschmann <m@kretschmann.io>
Date: Wed, 2 Sep 2020 16:23:01 +0200
Subject: [PATCH] prototype auto-generating data token name

---
 src/data/words.json          | 133 +++++++++++++++++++++++++++++++++++
 src/datatokens/Datatokens.ts |  28 ++++++++
 2 files changed, 161 insertions(+)
 create mode 100644 src/data/words.json

diff --git a/src/data/words.json b/src/data/words.json
new file mode 100644
index 00000000..7ed8ae4c
--- /dev/null
+++ b/src/data/words.json
@@ -0,0 +1,133 @@
+{
+  "nouns": [
+    "Crab",
+    "Fish",
+    "Seal",
+    "Octopus",
+    "Shark",
+    "Seahorse",
+    "Walrus",
+    "Starfish",
+    "Whale",
+    "Orca",
+    "Penguin",
+    "Jellyfish",
+    "Squid",
+    "Lobster",
+    "Pelican",
+    "Shrimp",
+    "Oyster",
+    "Clam",
+    "Seagull",
+    "Dolphin",
+    "Shell",
+    "Cormorant",
+    "Otter",
+    "Pelican",
+    "Anemone",
+    "Turtle",
+    "Coral"
+  ],
+  "adjectives": [
+    "adamant",
+    "adroit",
+    "amatory",
+    "animistic",
+    "antic",
+    "arcadian",
+    "baleful",
+    "bellicose",
+    "bilious",
+    "boorish",
+    "calamitous",
+    "caustic",
+    "cerulean",
+    "comely",
+    "concomitant",
+    "contumacious",
+    "corpulent",
+    "crapulous",
+    "defamatory",
+    "didactic",
+    "dilatory",
+    "dowdy",
+    "efficacious",
+    "effulgent",
+    "egregious",
+    "endemic",
+    "equanimous",
+    "execrable",
+    "fastidious",
+    "feckless",
+    "fecund",
+    "friable",
+    "fulsome",
+    "garrulous",
+    "guileless",
+    "gustatory",
+    "heuristic",
+    "histrionic",
+    "hubristic",
+    "incendiary",
+    "insidious",
+    "insolent",
+    "intransigent",
+    "inveterate",
+    "invidious",
+    "irksome",
+    "jejune",
+    "jocular",
+    "judicious",
+    "lachrymose",
+    "limpid",
+    "loquacious",
+    "luminous",
+    "mannered",
+    "mendacious",
+    "meretricious",
+    "minatory",
+    "mordant",
+    "munificent",
+    "nefarious",
+    "noxious",
+    "obtuse",
+    "parsimonious",
+    "pendulous",
+    "pernicious",
+    "pervasive",
+    "petulant",
+    "platitudinous",
+    "precipitate",
+    "propitious",
+    "puckish",
+    "querulous",
+    "quiescent",
+    "rebarbative",
+    "recalcitant",
+    "redolent",
+    "rhadamanthine",
+    "risible",
+    "ruminative",
+    "sagacious",
+    "salubrious",
+    "sartorial",
+    "sclerotic",
+    "serpentine",
+    "spasmodic",
+    "strident",
+    "taciturn",
+    "tenacious",
+    "tremulous",
+    "trenchant",
+    "turbulent",
+    "turgid",
+    "ubiquitous",
+    "uxorious",
+    "verdant",
+    "voluble",
+    "voracious",
+    "wheedling",
+    "withering",
+    "zealous"
+  ]
+}
diff --git a/src/datatokens/Datatokens.ts b/src/datatokens/Datatokens.ts
index b033c95e..63380456 100644
--- a/src/datatokens/Datatokens.ts
+++ b/src/datatokens/Datatokens.ts
@@ -4,6 +4,8 @@ import { AbiItem } from 'web3-utils/types'
 import defaultFactoryABI from '@oceanprotocol/contracts/artifacts/DTFactory.json'
 import defaultDatatokensABI from '@oceanprotocol/contracts/artifacts/DataTokenTemplate.json'
 
+import wordListDefault from '../data/words.json'
+
 /**
  * Provides a interface to DataTokens
  */
@@ -32,6 +34,32 @@ export class DataTokens {
     this.web3 = web3
   }
 
+  /**
+   * Generate new datatoken name & symbol from a word list
+   * @return {<{ name: String; symbol: String }>} datatoken name & symbol. Produces e.g. "Endemic Jellyfish Token" & "ENDJEL-145"
+   */
+  public generateDtName(wordList?: {
+    nouns: string[]
+    adjectives: string[]
+  }): { name: string; symbol: string } {
+    const list = wordList || wordListDefault
+    const random1 = Math.floor(Math.random() * list.adjectives.length)
+    const random2 = Math.floor(Math.random() * list.nouns.length)
+    const indexNumber = Math.floor(Math.random() * 100)
+
+    // Capitalized adjective & noun
+    const adjective = list.adjectives[random1].replace(/^\w/, (c) => c.toUpperCase())
+    const noun = list.nouns[random2].replace(/^\w/, (c) => c.toUpperCase())
+
+    const name = `${adjective} ${noun} Token`
+    // use first 3 letters of name, uppercase it, and add random number
+    const symbol = `${(
+      adjective.substring(0, 3) + noun.substring(0, 3)
+    ).toUpperCase()}-${indexNumber}`
+
+    return { name, symbol }
+  }
+
   /**
    * Create new datatoken
    * @param {String} metaDataStoreURI