import { createHAMT } from 'hamt-sharding'
import crypto from 'crypto-promise'

// decide how to hash buffers made from keys, can return a Promise
const hashFn = async (buf) => {
  return crypto
    .createHash('sha256')
    .update(buf)
    .digest()
}

const bucket = createHAMT({
  hashFn: hashFn
})

await bucket.put('key', 'value')

const output = await bucket.get('key')
// output === 'value'

import { createHAMT } from 'hamt-sharding'

import { createHAMT } from 'hamt-sharding'
const bucket = createHAMT({...})

await bucket.put('key', 'value')

import { createHAMT } from 'hamt-sharding'
const bucket = createHAMT({...})

await bucket.put('key', 'value')

console.info(await bucket.get('key')) // 'value'

import { createHAMT } from 'hamt-sharding'
const bucket = createHAMT({...})

await bucket.put('key', 'value')
await bucket.del('key', 'value')

console.info(await bucket.get('key')) // undefined

import { createHAMT } from 'hamt-sharding'
const bucket = createHAMT({...})

console.info(bucket.leafCount()) // 0

await bucket.put('key', 'value')

console.info(bucket.leafCount()) // 1

import { createHAMT } from 'hamt-sharding'
const bucket = createHAMT({...})

console.info(bucket.childrenCount()) // 0

await bucket.put('key', 'value')

console.info(bucket.childrenCount()) // 234 -- dependent on hashing algorithm

import { createHAMT } from 'hamt-sharding'
const bucket = createHAMT({...})

await bucket.put('key', 'value')

for await (const child of bucket.eachLeafSeries()) {
  console.info(child.value) // 'value'
}