yoink

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🇺🇸

Original

English

🇨🇳

Translation

Chinese

Yoink

Play Yoink, an onchain capture-the-flag game on Base. Yoink the flag from the current holder to start your clock. The player with the most total yoinks holds the trophy.

Contract:

0x4bBFD120d9f352A0BEd7a014bd67913a2007a878

on Base (chain ID 8453)

来玩Yoink，这是一款部署在Base链上的链上夺旗游戏。从当前持有者手中夺走旗帜即可开始计时。总夺旗次数最多的玩家将持有奖杯。

合约地址：

0x4bBFD120d9f352A0BEd7a014bd67913a2007a878

部署在Base链（链ID 8453）

Game Rules

游戏规则

Yoink the flag - Call
```
yoink()
```
to take the flag from the current holder
Cooldown - You must wait 10 minutes (600 seconds) between yoinks
No self-yoink - You cannot yoink from yourself
Accumulate time - While you hold the flag, your time score increases
Compete for trophy - The player with the most total yoinks holds the trophy (token ID 2)
Track yoinks - Your total yoink count is tracked separately from time

夺旗 - 调用
```
yoink()
```
方法从当前持有者手中夺走旗帜
冷却时间 - 两次夺旗操作之间需要间隔10分钟（600秒）
禁止自行夺旗 - 你不能从自己手中夺旗
累计时长 - 当你持有旗帜时，你的时长得分会不断增加
争夺奖杯 - 总夺旗次数最多的玩家将持有奖杯（代币ID 2）
夺旗次数统计 - 你的总夺旗次数会与时长得分分开统计

Contract Interface

合约接口

RPC template:

bash

curl -s -X POST https://mainnet.base.org -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_call","params":[{"to":"0x4bBFD120d9f352A0BEd7a014bd67913a2007a878","data":"SELECTOR+PARAMS"},"latest"],"id":1}' | jq -r '.result'

Function	Selector	Params	Returns
`yoink()`	`0x9846cd9e`	-	(write)
`lastYoinkedBy()`	`0xd4dbf9f4`	-	address
`lastYoinkedAt()`	`0x6a99616f`	-	uint256 timestamp
`totalYoinks()`	`0xa5d0dadd`	-	uint256
`topYoinker()`	`0x6a974e6e`	-	address (trophy holder)
`mostYoinks()`	`0xd2d7774a`	-	uint256 (record)
`COOLDOWN()`	`0xa2724a4d`	-	uint256 (600)
`score(address)`	`0x776f3843`	addr (32B padded)	(yoinks, time, lastYoinkedAt)
`balanceOf(address,uint256)`	`0x00fdd58e`	addr + tokenId	uint256 (FLAG_ID=1, TROPHY_ID=2)

Encoding: Addresses are zero-padded to 32 bytes.

score()

returns 96 bytes (3 × uint256).

RPC 请求模板：

bash

curl -s -X POST https://mainnet.base.org -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_call","params":[{"to":"0x4bBFD120d9f352A0BEd7a014bd67913a2007a878","data":"SELECTOR+PARAMS"},"latest"],"id":1}' | jq -r '.result'

函数	选择器	参数	返回值
`yoink()`	`0x9846cd9e`	-	(写入操作)
`lastYoinkedBy()`	`0xd4dbf9f4`	-	address
`lastYoinkedAt()`	`0x6a99616f`	-	uint256 时间戳
`totalYoinks()`	`0xa5d0dadd`	-	uint256
`topYoinker()`	`0x6a974e6e`	-	address (奖杯持有者)
`mostYoinks()`	`0xd2d7774a`	-	uint256 (记录值)
`COOLDOWN()`	`0xa2724a4d`	-	uint256 (600)
`score(address)`	`0x776f3843`	addr (32字节填充)	(夺旗次数, 时长, 最近夺旗时间)
`balanceOf(address,uint256)`	`0x00fdd58e`	addr + tokenId	uint256 (FLAG_ID=1, TROPHY_ID=2)

编码规则： 地址需要补零填充到32字节。

score()

方法返回96字节（3个uint256类型值）。

Yoinking

夺旗操作

Use Bankr's arbitrary transaction feature:

{
  "to": "0x4bBFD120d9f352A0BEd7a014bd67913a2007a878",
  "data": "0x9846cd9e",
  "value": "0",
  "chainId": 8453
}

使用Bankr的任意交易功能：

{
  "to": "0x4bBFD120d9f352A0BEd7a014bd67913a2007a878",
  "data": "0x9846cd9e",
  "value": "0",
  "chainId": 8453
}

Errors

错误说明

Error	Selector	Meaning
`SlowDown(uint256)`	`0x58d6f4c6`	Cooldown not elapsed. Param = seconds remaining.
`Unauthorized()`	`0x82b42900`	You already hold the flag.

Cooldown check:

current_time - lastYoinkedAt() >= 600

错误	选择器	含义
`SlowDown(uint256)`	`0x58d6f4c6`	冷却时间未结束。参数 = 剩余等待秒数。
`Unauthorized()`	`0x82b42900`	你已经持有该旗帜。

冷却时间校验规则：

current_time - lastYoinkedAt() >= 600

Workflow

操作流程

Query
```
lastYoinkedBy()
```
and
```
lastYoinkedAt()
```
to check status/cooldown
Ensure cooldown elapsed (600s) and you're not current holder
Submit yoink transaction via Bankr
Verify with
```
lastYoinkedBy()
```
or
```
score(address)
```

查询
```
lastYoinkedBy()
```
和
```
lastYoinkedAt()
```
来查看当前状态/冷却时间
确认冷却时间已过（600秒）且你不是当前旗帜持有者
通过Bankr提交夺旗交易
通过
```
lastYoinkedBy()
```
或
```
score(address)
```
验证操作结果

yoink

Original

Translation

Yoink

Yoink

Game Rules

游戏规则

Contract Interface

合约接口

Yoinking

夺旗操作

Errors

错误说明

Workflow

操作流程

Resources

相关资源