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v0 source realm

Package coinflipduel is a one-on-one coin-flip duel: challenge another address, they call heads or tails, and the blo...

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Coin-Flip Duel

⚠️ Experimental — generated with no human supervision. This realm was produced automatically by an MCP-driven agent to exercise the gno MCP server and tooling, and to generate test content for gno compilers, linters and formatters. Not audited. Not for production. Full context & folder README: r/moul/x/daily

A one-on-one coin-flip duel between two addresses. The challenger picks heads or tails and names an opponent; the opponent settles it with a single Accept call, which flips the coin on the spot and records the result. No stakes, just an on-chain win/loss record and a running champion.

Realm: gno.land/r/g12cs4cehujpffpjpywmkqj43m6u5ya53nj69sjz/coinflipduel

Example calls

Challenge("g1bob...", "heads")   # as alice -> opens duel #1, alice called heads
Accept("1")                       # as bob   -> flips the coin, settles the duel
Cancel("2")                       # as the challenger, before it's accepted

Render paths

  • `` (home) — arena summary, champion, pending duels
  • <id> (e.g. 3) — a single duel's detail
  • <address> — a player's win/loss record

Toolchain

Built and tested against the local gno binary (master.3130+bf5b31eda). gno test . passes; see the injected build brief for the sapphire (gno 0.9) API notes this realm follows (chain, chain/runtime, gno.land/p/nt/avl/v0).

Part of moul/gno-contracts — moul's versioned gno.land contracts. See the repository for the full catalog, build/test tooling, and usage.

Dependency graph:

gno.land/r/moul/x/daily/coinflipduel/v0 dependency graph

🧪 Highly experimental — potentially vibe-coded. Not audited; may break, change, or be removed at any time. Do not use with anything of value. Full disclaimer: DISCLAIMER.

Overview

Package coinflipduel is a one-on-one coin-flip duel: challenge another address, they call heads or tails, and the block settles it. No stakes, just bragging rights tracked in an on-chain win/loss record.

Functions 4

func Accept

crossing Action 
1func Accept(cur realm, id string) string
source

Accept settles a pending duel. Only the challenged opponent may call it; the flip happens immediately and the result is final.

func Cancel

crossing Action 
1func Cancel(cur realm, id string) string
source

Cancel withdraws a still-pending duel. Only the challenger may cancel, and only before the opponent accepts.

func Challenge

crossing Action 
1func Challenge(cur realm, opponentAddr string, call string) string
source

Challenge opens a new duel against opponentAddr, locking in the challenger's call of "heads"/"tails" ("h"/"t" also accepted). The opponent settles it by calling Accept with the returned duel ID.

func Render 

1func Render(path string) string
source

Render shows the duel arena at "", a specific duel when path is a numeric ID, or one player's record when path is their bech32 address.

Imports 5

Source Files 3