Use clap instead of structopt (ordinals#145)

Cargo.toml

@@ -9,6 +9,7 @@ autotests = false
 [dependencies]
 bitcoin = "0.27.1"
 bitcoincore-rpc = "0.14.0"
+clap = { version = "3.1.0", features = ["derive"] }
 derive_more = "0.99.17"
 dirs = "4.0.0"
 env_logger = "0.9.0"
@@ -18,7 +19,6 @@ integer-sqrt = "0.1.5"
 jsonrpc = "0.12.1"
 log = "0.4.14"
 redb = { version = "0.0.4", git = "https://github.com/cberner/redb.git" }
-structopt = "0.3.25"
 
 [dev-dependencies]
 criterion = "0.3.5"

src/arguments.rs

@@ -1,10 +1,10 @@
 use super::*;
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 pub(crate) struct Arguments {
-  #[structopt(flatten)]
+  #[clap(flatten)]
   options: Options,
-  #[structopt(subcommand)]
+  #[clap(subcommand)]
   subcommand: Subcommand,
 }
 

src/main.rs

@@ -4,6 +4,7 @@ use {
     options::Options, ordinal::Ordinal, sat_point::SatPoint, subcommand::Subcommand,
   },
   bitcoin::{blockdata::constants::COIN_VALUE, consensus::Encodable, Block, OutPoint, Transaction},
+  clap::Parser,
   derive_more::{Display, FromStr},
   integer_cbrt::IntegerCubeRoot,
   integer_sqrt::IntegerSquareRoot,
@@ -20,7 +21,6 @@ use {
     str::FromStr,
     time::{Duration, Instant},
   },
-  structopt::StructOpt,
 };
 
 mod arguments;
@@ -33,13 +33,13 @@ mod ordinal;
 mod sat_point;
 mod subcommand;
 
-type Error = Box<dyn std::error::Error>;
+type Error = Box<dyn std::error::Error + Send + Sync>;
 type Result<T = (), E = Error> = std::result::Result<T, E>;
 
 fn main() {
   env_logger::init();
 
-  if let Err(error) = Arguments::from_args().run() {
+  if let Err(error) = Arguments::parse().run() {
     eprintln!("error: {}", error);
     process::exit(1);
   }

src/options.rs

@@ -1,11 +1,11 @@
 use super::*;
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 pub(crate) struct Options {
-  #[structopt(long, default_value = "1MiB")]
+  #[clap(long, default_value = "1MiB")]
   pub(crate) index_size: Bytes,
-  #[structopt(long)]
+  #[clap(long)]
   pub(crate) cookie_file: Option<PathBuf>,
-  #[structopt(long)]
+  #[clap(long)]
   pub(crate) rpc_url: Option<String>,
 }

src/subcommand.rs

@@ -10,7 +10,7 @@ mod range;
 mod supply;
 mod traits;
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 pub(crate) enum Subcommand {
   Epochs,
   Find(find::Find),

src/subcommand/find.rs

@@ -1,10 +1,10 @@
 use super::*;
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 pub(crate) struct Find {
-  #[structopt(long)]
+  #[clap(long)]
   as_of_height: u64,
-  #[structopt(long)]
+  #[clap(long)]
   slot: bool,
   ordinal: Ordinal,
 }

src/subcommand/list.rs

@@ -1,6 +1,6 @@
 use super::*;
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 pub(crate) struct List {
   outpoint: OutPoint,
 }

src/subcommand/name.rs

@@ -1,6 +1,6 @@
 use super::*;
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 pub(crate) struct Name {
   name: String,
 }

src/subcommand/range.rs

@@ -1,8 +1,8 @@
 use super::*;
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 pub(crate) struct Range {
-  #[structopt(long)]
+  #[clap(long)]
   name: bool,
   height: Height,
 }

src/subcommand/traits.rs

@@ -1,6 +1,6 @@
 use super::*;
 
-#[derive(StructOpt)]
+#[derive(Parser)]
 pub(crate) struct Traits {
   ordinal: Ordinal,
 }