harry830622

// Play 就是一個精彩好球，比如說 LBJ 的 The block，
// 所有的卡片只會包含一個 play，
// 但同一個 play 可以被很多卡片或是系列包含
pub struct Play {

    // 每個 play 會有一個獨特的 ID 表示
    pub let playID: UInt32
    
    // 每個 play 也會有相應的 metadata，
    // 這裡的儲存方式是使用一個 string -> string 的 map

harry830622

// 目前正在進行的 series
pub var currentSeries: UInt32

// 紀錄 play 的資訊
// 是一個 play ID -> play 資訊的 mapping
access(self) var playDatas: {UInt32: Play}

// 紀錄 set 的資訊
// 是一個 set ID -> set 資訊的 mapping
access(self) var setDatas: {UInt32: SetData}

harry830622

pub event ContractInitialized()

pub event PlayCreated(id: UInt32, metadata: {String:String})
pub event NewSeriesStarted(newCurrentSeries: UInt32)

pub event SetCreated(setID: UInt32, series: UInt32)
pub event PlayAddedToSet(setID: UInt32, playID: UInt32)
pub event PlayRetiredFromSet(setID: UInt32, playID: UInt32, numMoments: UInt32)
pub event SetLocked(setID: UInt32)
pub event MomentMinted(momentID: UInt64, playID: UInt32, setID: UInt32, serialNumber: UInt32)

harry830622

pub contract TopShot: NonFungibleToken

harry830622

package main

import (
	"context"
	"fmt"

	"google.golang.org/grpc"

	"github.com/onflow/cadence"
	// "github.com/onflow/flow-go-sdk"

harry830622

class Functor {
 public:
  Functor() :sum_(0) {}
  int operator()(int n) {
    sum_ += n;
    return sum_;
  }
 private:
  int sum_;
}

harry830622

#!/bin/env bash

rel_path=../relative/path
cd /path/to/here
abs_path=$(readlink -f $rel_path)
echo $abs_path # /path/to/relative/path

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#!/bin/env bash

# For example, iterate over files in the home directory.
dir=~
for f in $dir/*; do
  echo $f
done

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// Fisher-Yates shuffle algorithm
function shuffle(arr) {
  const result = [...arr];
  for (let i = result.length - 1; i >= 0; i -= 1) {
    const j = Math.floor(Math.random() * (i + 1));
    [result[i], result[j]] = [result[j], result[i]];
  }
  return result;
}

harry830622

#!/usr/bin/env python

# l: final length
# e: epsilon
# d: lambda
# u: mu
# dd: derivative of lambda

from mpmath import *