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import {
Metadata,
MetadataTree,
Text,
MetadataFieldType,
MetadataFieldTypeValues,
} from "../../src/metadata";
import {
uniqueNamesGenerator,
names,
adjectives,
colors,
animals,
countries,
languages,
} from "unique-names-generator";
import { pinJSON } from "./ipfs";
import { serializeIndexedMap, IndexedMapSerialized } from "zkcloudworker";
import { PINATA_JWT } from "../../env.json";
export {
randomMetadata,
randomName,
randomText,
randomImage,
randomBanner,
randomURL,
randomField,
randomTree,
randomMap,
};
const NUMBER_OF_TRAITS = 5;
const NUMBER_OF_TREE_ENTRIES = 20;
async function randomMetadata(
params: { includePrivateTraits?: boolean; includeBanner?: boolean } = {}
): Promise<{
name: string;
ipfsHash: string;
metadataRoot: Field;
privateMetadata: string;
serializedMap: IndexedMapSerialized;
map: Metadata;
}> {
const { includePrivateTraits = true, includeBanner = false } = params;
const metadata = randomMap({ includePrivateTraits, includeBanner });
const privateMetadata = JSON.stringify(metadata.toJSON(true), null, 2);
const ipfsHash = await pinJSON({
data: metadata.toJSON(false),
name: "metadata",
auth: PINATA_JWT,
});
Iif (!ipfsHash) throw new Error("Failed to pin metadata");
return {
name: metadata.name,
ipfsHash,
metadataRoot: metadata.map.root,
privateMetadata,
serializedMap: serializeIndexedMap(metadata.map),
map: metadata,
};
}
function randomName() {
let counter = 0;
while (true) {
const name = uniqueNamesGenerator({
dictionaries: [names],
length: 1,
});
if (name.length <= 30) return name;
counter++;
Iif (counter > 1000) throw new Error("Too many retries");
}
}
function randomText() {
const length = Math.floor(Math.random() * 20) + 1;
const words = Array.from({ length }, () =>
uniqueNamesGenerator({
dictionaries: [
...[adjectives, names, colors, animals, countries, languages].sort(
() => Math.random() - 0.5
),
],
length: 6,
separator: " ",
})
);
const text = words
.map((word) => word.charAt(0).toUpperCase() + word.slice(1))
.join(". ");
return text;
}
function randomImage() {
return `https://picsum.photos/seed/${Math.floor(
Math.random() * 10000000
)}/540/670`;
}
function randomBanner() {
return `https://picsum.photos/seed/${Math.floor(
Math.random() * 10000000
)}/1920/300`;
}
function randomURL() {
return `https://example.com/${randomName()}`;
}
function randomField() {
return Field.random();
}
function randomTree() {
const height = Math.floor(Math.random() * 240) + 10;
const numberOfElements = Math.floor(Math.random() * NUMBER_OF_TREE_ENTRIES);
const values = Array.from({ length: numberOfElements }, (_, i) => ({
key: BigInt(i),
value: Field.random(),
}));
const tree = new MetadataTree(height, values);
return tree;
}
function randomMap(
params: { includePrivateTraits?: boolean; includeBanner?: boolean } = {}
): Metadata {
const { includePrivateTraits = true, includeBanner = false } = params;
const map = new Metadata({
name: randomName(),
description: Math.random() < 0.7 ? randomText() : undefined,
image: randomImage(),
banner: includeBanner ? randomBanner() : undefined,
});
const numberOfTraits = Math.floor(Math.random() * NUMBER_OF_TRAITS);
for (let i = 0; i < numberOfTraits; i++) {
const type = Object.keys(MetadataFieldTypeValues)[
Math.floor(Math.random() * Object.keys(MetadataFieldTypeValues).length)
] as MetadataFieldType;
let value: string | Text | Field | Metadata | MetadataTree;
switch (type) {
case "string":
value = randomName();
break;
case "text":
value = randomText();
break;
case "image":
value = randomImage();
break;
case "url":
value = randomURL();
break;
case "field":
value = randomField();
break;
case "map":
value = randomMap();
break;
case "tree":
value = randomTree();
break;
default:
throw new Error(`Unknown type: ${type}`);
}
map.addTrait({
key: randomName(),
type,
value,
isPrivate: includePrivateTraits
? Math.random() < 0.3
? undefined
: Math.random() < 0.5
: false,
});
}
return map;
}
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