New Genesis Template cli command (#612)

* Genesis New Template cli command

* PascalCase

* addressing more comments

* lowercase on ActorType

forest/Cargo.toml

@@ -36,4 +36,5 @@ pbr = "1.0.3"
 pin-project-lite = "0.1"
 message_pool = { package = "message_pool", path = "../blockchain/message_pool" }
 wallet = {package = "key_management", path = "../key_management"}
-jsonrpc-v2 = { version = "0.5.2", features = ["easy-errors", "macros"] }
+jsonrpc-v2 = { version = "0.5.2", features = ["easy-errors", "macros"] }
+uuid = { version = "0.8.1", features = ["v4"] }

forest/src/cli/genesis_cmd.rs

@@ -0,0 +1,50 @@
+// Copyright 2020 ChainSafe Systems
+// SPDX-License-Identifier: Apache-2.0, MIT
+
+use fil_types::genesis;
+use std::fs::File;
+use structopt::StructOpt;
+use uuid::Uuid;
+
+#[derive(Debug, StructOpt)]
+pub enum GenesisCommands {
+    /// Creates new genesis template
+    #[structopt(about = "Create new Genesis template")]
+    NewTemplate {
+        #[structopt(short, help = "Input a network name")]
+        network_name: Option<String>,
+        #[structopt(
+            short,
+            default_value = "genesis.json",
+            help = "File path, i.e, './genesis.json'. This command WILL NOT create a directory if it does not exist."
+        )]
+        file_path: String,
+    },
+}
+
+impl GenesisCommands {
+    pub async fn run(&self) {
+        match self {
+            Self::NewTemplate {
+                network_name,
+                file_path,
+            } => {
+                let template = genesis::Template::new(
+                    network_name
+                        .as_ref()
+                        .unwrap_or(&format!("localnet-{}", Uuid::new_v4().to_string()))
+                        .to_string(),
+                );
+
+                match &File::create(file_path) {
+                    Ok(file) => {
+                        serde_json::to_writer_pretty(file, &template).unwrap();
+                    }
+                    Err(err) => {
+                        println!("Can not write to a file, error: {}", err);
+                    }
+                }
+            }
+        }
+    }
+}

forest/src/cli/mod.rs

@@ -5,11 +5,13 @@ mod chain_cmd;
 mod config;
 mod fetch_params_cmd;
 mod genesis;
+mod genesis_cmd;
 
 pub(super) use self::chain_cmd::ChainCommands;
 pub use self::config::Config;
 pub(super) use self::fetch_params_cmd::FetchCommands;
 pub(super) use self::genesis::initialize_genesis;
+pub(super) use self::genesis_cmd::GenesisCommands;
 
 use jsonrpc_v2::Error as JsonRpcError;
 use std::cell::RefCell;
@@ -47,6 +49,9 @@ pub enum Subcommand {
 
     #[structopt(name = "chain", about = "Interact with Filecoin blockchain")]
     Chain(ChainCommands),
+
+    #[structopt(name = "genesis", about = "Work with blockchain genesis")]
+    Genesis(GenesisCommands),
 }
 
 /// Daemon process command line options.

forest/src/subcommand.rs

@@ -12,5 +12,8 @@ pub(super) async fn process(command: Subcommand) {
         Subcommand::Chain(cmd) => {
             cmd.run().await;
         }
+        Subcommand::Genesis(cmd) => {
+            cmd.run().await;
+        }
     }
 }

types/Cargo.toml

@@ -8,6 +8,7 @@ edition = "2018"
 features = ["json"]
 
 [dependencies]
+address = { package = "forest_address", path = "../vm/address" }
 serde = { version = "1.0", features = ["derive"] }
 commcid = { path = "../utils/commcid" }
 filecoin-proofs-api = "4.0.1"

types/src/genesis/mod.rs

@@ -0,0 +1,56 @@
+// Copyright 2020 ChainSafe Systems
+// SPDX-License-Identifier: Apache-2.0, MIT
+
+use super::SectorSize;
+use address::Address;
+use num_bigint::bigint_ser;
+use serde::Serialize;
+use vm::TokenAmount;
+
+#[derive(Serialize)]
+#[serde(rename_all = "lowercase")]
+pub enum ActorType {
+    Account,
+    MultiSig,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct Actor {
+    pub actor_type: ActorType,
+    #[serde(with = "bigint_ser")]
+    pub token_amount: TokenAmount,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct Miner {
+    pub owner: Address,
+    pub worker: Address,
+    pub peer_id: Vec<u8>,
+
+    #[serde(with = "bigint_ser")]
+    pub market_balance: TokenAmount,
+    #[serde(with = "bigint_ser")]
+    pub power_balance: TokenAmount,
+    pub sector_size: SectorSize,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct Template {
+    pub accounts: Vec<Actor>,
+    pub miners: Vec<Miner>,
+    pub network_name: String,
+    // timestamp: SystemTime,
+}
+
+impl Template {
+    pub fn new(network_name: String) -> Template {
+        Template {
+            accounts: Vec::new(),
+            miners: Vec::new(),
+            network_name,
+        }
+    }
+}

types/src/lib.rs

@@ -1,6 +1,7 @@
 // Copyright 2020 ChainSafe Systems
 // SPDX-License-Identifier: Apache-2.0, MIT
 
+pub mod genesis;
 mod piece;
 pub mod sector;