From c71c881cf7af4de75263b17119d6d01484df6566 Mon Sep 17 00:00:00 2001
From: CJ Cobb <46455409+cjcobb23@users.noreply.github.com>
Date: Mon, 19 Aug 2024 16:42:26 -0600
Subject: [PATCH] feat(minor-ampd): add command to send tokens from verifier
 address (#586)

---
 ampd/src/commands/mod.rs         |  3 +++
 ampd/src/commands/send_tokens.rs | 41 ++++++++++++++++++++++++++++++++
 ampd/src/main.rs                 |  3 ++-
 3 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 ampd/src/commands/send_tokens.rs

diff --git a/ampd/src/commands/mod.rs b/ampd/src/commands/mod.rs
index 5f4d091d2..15d6f80be 100644
--- a/ampd/src/commands/mod.rs
+++ b/ampd/src/commands/mod.rs
@@ -20,6 +20,7 @@ pub mod daemon;
 pub mod deregister_chain_support;
 pub mod register_chain_support;
 pub mod register_public_key;
+pub mod send_tokens;
 pub mod verifier_address;
 
 #[derive(Debug, Subcommand, Valuable)]
@@ -36,6 +37,8 @@ pub enum SubCommand {
     RegisterPublicKey(register_public_key::Args),
     /// Query the verifier address
     VerifierAddress,
+    /// Send tokens from the verifier account to a specified address
+    SendTokens(send_tokens::Args),
 }
 
 #[derive(Debug, Deserialize, Serialize, PartialEq)]
diff --git a/ampd/src/commands/send_tokens.rs b/ampd/src/commands/send_tokens.rs
new file mode 100644
index 000000000..c89fa6ddb
--- /dev/null
+++ b/ampd/src/commands/send_tokens.rs
@@ -0,0 +1,41 @@
+use axelar_wasm_std::nonempty;
+use cosmrs::bank::MsgSend;
+use cosmrs::tx::Msg;
+use cosmrs::{AccountId, Coin};
+use error_stack::Result;
+use report::ResultCompatExt;
+use valuable::Valuable;
+
+use crate::commands::{broadcast_tx, verifier_pub_key};
+use crate::config::Config;
+use crate::{Error, PREFIX};
+
+#[derive(clap::Args, Debug, Valuable)]
+pub struct Args {
+    pub to_address: nonempty::String,
+    pub amount: u128,
+    pub denom: nonempty::String,
+}
+
+pub async fn run(config: Config, args: Args) -> Result<Option<String>, Error> {
+    let coin = Coin::new(args.amount, args.denom.as_str()).change_context(Error::InvalidInput)?;
+    let pub_key = verifier_pub_key(config.tofnd_config.clone()).await?;
+
+    let tx = MsgSend {
+        to_address: args
+            .to_address
+            .parse::<AccountId>()
+            .change_context(Error::InvalidInput)?,
+        from_address: pub_key.account_id(PREFIX).change_context(Error::Tofnd)?,
+        amount: vec![coin],
+    }
+    .into_any()
+    .expect("failed to serialize proto message");
+
+    let tx_hash = broadcast_tx(config, tx, pub_key).await?.txhash;
+
+    Ok(Some(format!(
+        "successfully broadcast send transaction, tx hash: {}",
+        tx_hash
+    )))
+}
diff --git a/ampd/src/main.rs b/ampd/src/main.rs
index d5881bfb5..916beed6e 100644
--- a/ampd/src/main.rs
+++ b/ampd/src/main.rs
@@ -6,7 +6,7 @@ use std::process::ExitCode;
 use ::config::{Config as cfg, Environment, File, FileFormat, FileSourceFile};
 use ampd::commands::{
     bond_verifier, daemon, deregister_chain_support, register_chain_support, register_public_key,
-    verifier_address, SubCommand,
+    send_tokens, verifier_address, SubCommand,
 };
 use ampd::config::Config;
 use ampd::Error;
@@ -64,6 +64,7 @@ async fn main() -> ExitCode {
         }
         Some(SubCommand::RegisterPublicKey(args)) => register_public_key::run(cfg, args).await,
         Some(SubCommand::VerifierAddress) => verifier_address::run(cfg.tofnd_config).await,
+        Some(SubCommand::SendTokens(args)) => send_tokens::run(cfg, args).await,
     };
 
     match result {