Merge pull request solana-labs#64 from jarry-xiao/gumball-machine

Gumball machine v0

Author: jarry-xiao

contracts/Anchor.toml

@@ -2,6 +2,7 @@
 gummyroll = "GRoLLMza82AiYN7W9S9KCCtCyyPRAQP2ifBy4v4D5RMD"
 gummyroll_crud = "Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS"
 bubblegum = "BGUMzZr2wWfD2yzrXFEWTK2HbdYhqQCP2EZoPEkZBD6o"
+gumball_machine = "BRKyVDRGT7SPBtMhjHN4PVSPVYoc3Wa3QTyuRVM4iZkt"
 
 [[test.genesis]]
 address = "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL"

contracts/Cargo.lock

@@ -2,5 +2,6 @@
 members = [
     "programs/gummyroll",
     "programs/gummyroll_crud",
-    "programs/bubblegum"
+    "programs/bubblegum",
+    "programs/gumball-machine"
 ]

contracts/Cargo.toml

@@ -39,6 +39,25 @@ pub enum UseMethod {
     Single,
 }
 
+impl UseMethod {
+    pub fn to_u8(&self) -> u8 {
+        match self {
+            Self::Burn => 1,
+            Self::Multiple => 2,
+            Self::Single => 3,
+        }
+    }
+
+    pub fn from_u8(i: u8) -> Result<Self> {
+        match i {
+            1 => Ok(Self::Burn),
+            2 => Ok(Self::Multiple),
+            3 => Ok(Self::Single),
+            _ => Err(ProgramError::InvalidArgument.into()) 
+        }
+    }
+}
+
 #[derive(AnchorSerialize, AnchorDeserialize, PartialEq, Debug, Clone)]
 pub struct Uses {
     // 17 bytes + Option byte

contracts/programs/bubblegum/src/state/metaplex_adapter.rs

@@ -0,0 +1,25 @@
+[package]
+name = "gumball-machine"
+version = "0.1.0"
+description = "Created with Anchor"
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "lib"]
+name = "gumball_machine"
+
+[features]
+no-entrypoint = []
+no-idl = []
+no-log-ix-name = []
+cpi = ["no-entrypoint"]
+default = []
+
+[dependencies]
+anchor-lang = { path="../../../deps/anchor/lang" }
+anchor-spl = { path="../../../deps/anchor/spl" }
+spl-token = "3.3.0"
+mpl-token-metadata = { git = "https://github.com/jarry-xiao/metaplex-program-library", rev="7e2810a", features = [ "no-entrypoint" ] }
+bubblegum = { path = "../bubblegum", features = ["cpi"] }
+gummyroll = { path = "../gummyroll", features = ["cpi"] }
+bytemuck = "1.8.0"

contracts/programs/gumball-machine/Cargo.toml

@@ -0,0 +1,2 @@
+[target.bpfel-unknown-unknown.dependencies.std]
+features = []