feat: basic emoji work

Author: GalloDaSballo

package.json

@@ -12,6 +12,7 @@
   "scripts": {
     "start": "ts-node src/demo.ts",
     "dev": "ts-node src/demo.ts",
+    "emoji": "ts-node src/emoji.ts",
     "build": "tsc",
     "test": "jest",
     "lint": "eslint src/. --ext ts --ext tsx --ext js",

src/demo.ts

@@ -1,6 +1,7 @@
 import { defaultAbiCoder, keccak256 } from "ethers/lib/utils";
 import { toSvg } from "jdenticon";
 import fromTargetAndCalldataToHash from "./fromCalldataAndAbi";
+import fromHexStringToEmojiString from "./emoji";
 
 
 // From Metamask to The whole thing
@@ -27,4 +28,7 @@ console.log(keccak256(defaultAbiCoder.encode(["address"], ["0x3Fa73f1E5d8A792C80
 // ABI
 // Calldata
 
-console.log("Full send", fromTargetAndCalldataToHash("0x3Fa73f1E5d8A792C80F426fc8F84FBF7Ce9bBCAC", ["function lock(address _account, uint256 _amount) external"], "0x282d3fdf000000000000000000000000b1c05e80678bbcdf8fbca2b4820164313e4867d6000000000000000000000000000000000000000000000034f69370b524873a1f"))
+const asDigest = fromTargetAndCalldataToHash("0x3Fa73f1E5d8A792C80F426fc8F84FBF7Ce9bBCAC", ["function lock(address _account, uint256 _amount) external"], "0x282d3fdf000000000000000000000000b1c05e80678bbcdf8fbca2b4820164313e4867d6000000000000000000000000000000000000000000000034f69370b524873a1f")
+
+console.log("From String to Hash", asDigest)
+console.log("From String to Emojis", fromHexStringToEmojiString(asDigest))

src/emoji.ts

@@ -0,0 +1,126 @@
+// Given a Hash
+// Represent it in a sequence of emojis
+
+// Manually gone and looked at different shapes
+// Skipping emojis that look too similar
+// NOTE: I could have searched way more
+// I have yet to go through https://emojipedia.org/food-drink and onwards 
+const ARBITRARY_LIST_OF_EMOJIS = [
+  "🌲",
+  "🍄",
+  "🌸",
+  "🌹",
+  "🌓",
+  "🪐",
+  "⭐",
+  "🌤️",
+  "🌀",
+  "🌈",
+  "🌊",
+  "🤠",
+  "🥳",
+  "😎",
+  "🤯",
+  "🤮",
+  "😈",
+  "💀",
+  "💩",
+  "🤡",
+  "👺",
+  "👻",
+  "👽",
+  "👾",
+  "🤖",
+  "😻",
+  "🙈",
+  "👍",
+  "👊",
+  "🤝",
+  "🙏",
+  "💅",
+  "💪",
+  "🦵",
+  "🦶",
+  "🧠",
+  "🦷",
+  "👀",
+  "👅",
+  "👄",
+  "🩸",
+  "🤰",
+  "🐵",
+  "🦍",
+  "🐶",
+  "🐕",
+  "🐺",
+  "🦊",
+  "🦁",
+  "🦄",
+  "🐮",
+  "🐷",
+  "🐏",
+  "🦃",
+  "🐥",
+  "🦉",
+  "🦆",
+  "🦩",
+  "😂",
+  "🌍",
+  "🚗",
+  "🗿",
+  "🌋",
+  "🗽"
+]
+
+console.log("len", ARBITRARY_LIST_OF_EMOJIS.length)
+
+// Dumb af
+
+// Replace 16 with the first 16 digits
+// Demo string
+// 0x5ac989f52ea4c399343f6c0cf5a4810fc1bdac5773de37ca0cd0a8287f75a5c6
+
+const NIBBLE_LETTERS_TO_NUMBER = {
+  "a": 10,
+  "b": 11,
+  "c": 12,
+  "d": 13,
+  "e": 14,
+  "f": 15
+}
+
+function fromNibbleCharToNumber(nibble: string): number {
+  if(NIBBLE_LETTERS_TO_NUMBER[nibble]) {
+    return NIBBLE_LETTERS_TO_NUMBER[nibble]
+  }
+
+  return Number(nibble)
+}
+
+function fromHexStringToNibbles(hash: string): number[] {
+  // Check and remove 0x
+  // Copy then replace
+  // Copy so we avoid any weirdness
+  const trimmed = JSON.parse(JSON.stringify(hash)).replace(/^0x/, "")
+  let converted: string[] = Array.from(trimmed)
+
+  return converted.map(nibble => fromNibbleCharToNumber(nibble))
+}
+
+
+
+function fromNibbleNumberToEmoji(value: number): string {
+  return ARBITRARY_LIST_OF_EMOJIS[value]
+}
+
+export function fromHexStringToEmojis(hash: string): string[] {
+  const asNibblesNumbers = fromHexStringToNibbles(hash)
+  return asNibblesNumbers.map(nibble => fromNibbleNumberToEmoji(nibble))
+}
+export default function fromHexStringToEmojiString(hash: string): string {
+  const asNibblesNumbers = fromHexStringToNibbles(hash)
+  return asNibblesNumbers.map(nibble => fromNibbleNumberToEmoji(nibble)).join("")
+}
+
+console.log(fromHexStringToNibbles("0x5ac989f52ea4c399343f6c0cf5a4810fc1bdac5773de37ca0cd0a8287f75a5c6"))
+console.log(fromHexStringToEmojis("0x5ac989f52ea4c399343f6c0cf5a4810fc1bdac5773de37ca0cd0a8287f75a5c6"))