feat: added command for minting fungible tokens (#321)

* feat: added command for minting fungible tokens

* chore: clippy fixes

* chore: removed unnecessary clippy allow tag and modified doc about command

src/mint.rs

@@ -23,6 +23,7 @@ use retry::{delay::Exponential, retry};
 use serde::Serialize;
 use serde_json::Value;
 use solana_client::rpc_client::RpcClient;
+use solana_program::program_pack::Pack;
 use solana_sdk::{
  commitment_config::CommitmentConfig,
  pubkey::Pubkey,
@@ -36,6 +37,7 @@ use spl_associated_token_account::{
 };
 use spl_token::{
  instruction::{initialize_mint, mint_to},
+ state::Mint,
  ID as TOKEN_PROGRAM_ID,
 };
 use std::{
@@ -267,6 +269,92 @@ pub fn mint_from_uris(
  Ok(())
 }
 
+pub fn mint_fungible(
+ client: &RpcClient,
+ keypair_path: Option<String>,
+ mint_address: &str,
+ amount: u64,
+ receiver: &Option<String>,
+) -> Result<()> {
+ let solana_opts = parse_solana_config();
+ let mint_authority_keypair = parse_keypair(keypair_path, solana_opts);
+
+ let mint_authority_pubkey = mint_authority_keypair.pubkey();
+ let mint_pubkey = Pubkey::from_str(mint_address)?;
+
+ let mint_account_info = client
+ .get_account_with_commitment(&mint_pubkey, CommitmentConfig::confirmed())?
+ .value;
+
+ if mint_account_info.is_none() {
+ return Err(anyhow!("Invalid Mint Address"));
+ }
+
+ let destination_pubkey = if let Some(receiver_str) = receiver {
+ Pubkey::from_str(receiver_str)?
+ } else {
+ mint_authority_pubkey
+ };
+
+ let destination_ata_pubkey = get_associated_token_address(&destination_pubkey, &mint_pubkey);
+
+ let destination_ata_pubkey_info = client
+ .get_account_with_commitment(&destination_ata_pubkey, CommitmentConfig::confirmed())?
+ .value;
+
+ let mut instructions = vec![];
+
+ if destination_ata_pubkey_info.is_none() {
+ instructions.push(create_associated_token_account(
+ &mint_authority_pubkey,
+ &destination_pubkey,
+ &mint_pubkey,
+ &TOKEN_PROGRAM_ID,
+ ))
+ }
+
+ let mint_data = Mint::unpack(&mint_account_info.unwrap().data)?;
+
+ let mint_amount = amount
+ .checked_mul(10_u64.pow(mint_data.decimals.into()))
+ .ok_or(anyhow!("Invalid Mint Amount"))?;
+
+ let mint_ix = mint_to(
+ &TOKEN_PROGRAM_ID,
+ &mint_pubkey,
+ &destination_ata_pubkey,
+ &mint_authority_pubkey,
+ &[&mint_authority_pubkey],
+ mint_amount,
+ )?;
+
+ instructions.push(mint_ix);
+
+ let recent_blockhash = client.get_latest_blockhash()?;
+ let tx = Transaction::new_signed_with_payer(
+ &instructions,
+ Some(&mint_authority_pubkey),
+ &[&mint_authority_keypair],
+ recent_blockhash,
+ );
+
+ // Send tx with retries.
+ let res = retry(
+ Exponential::from_millis_with_factor(250, 2.0).take(3),
+ || client.send_and_confirm_transaction(&tx),
+ );
+ let sig = res?;
+
+ println!(
+ "Mint: {:?} minted {:?} tokens successfully!",
+ mint_address, amount
+ );
+
+ println!("Created in tx: {:?}", &sig);
+
+ Ok(())
+}
+
 #[allow(clippy::too_many_arguments)]
 pub fn mint_one<P: AsRef<Path>>(
  client: &RpcClient,

src/opt.rs

@@ -377,7 +377,7 @@ pub enum CreateSubcommands {
  immutable: bool,
  },
 
- /// Create a new SPL Token mint and metadata account.
+ /// Mint SPL tokens from an existing mint account using the Token Program.
  Fungible {
  /// Path to the update authority keypair file
  #[structopt(short, long)]
@@ -852,6 +852,24 @@ pub enum FindSubcommands {
 
 #[derive(Debug, StructOpt)]
 pub enum MintSubcommands {
+ /// Mint a normal SPL Token from the Token Program
+ Fungible {
+ /// Path to the mint_authority keypair file
+ #[structopt(short, long)]
+ keypair: Option<String>,
+
+ /// Token Mint address
+ #[structopt(short = "M", long)]
+ mint_address: String,
+
+ /// Receiving address, if different from mint authority.
+ #[structopt(short = "R", long)]
+ receiver: Option<String>,
+
+ /// Amount of tokens to mint
+ #[structopt(short, long)]
+ amount: u64,
+ },
  /// Mint an asset from the new Token Metadata Program unified handlers.
  Asset {
  /// Path to the update_authority keypair file

src/process_subcommands.rs

@@ -31,7 +31,8 @@ use crate::derive::{
 };
 use crate::find::find_missing_editions_process;
 use crate::mint::{
- mint_editions, mint_list, mint_missing_editions, mint_one, process_mint_asset, MintAssetParams,
+ mint_editions, mint_fungible, mint_list, mint_missing_editions, mint_one, process_mint_asset,
+ MintAssetParams,
 };
 use crate::opt::*;
 use crate::parse::{is_only_one_option, parse_errors_code, parse_errors_file};
@@ -498,6 +499,12 @@ pub fn process_find(client: &RpcClient, commands: FindSubcommands) -> Result<()>
 
 pub fn process_mint(client: RpcClient, commands: MintSubcommands) -> Result<()> {
  match commands {
+ MintSubcommands::Fungible {
+ keypair,
+ receiver,
+ amount,
+ mint_address,
+ } => mint_fungible(&client, keypair, &mint_address, amount, &receiver),
  MintSubcommands::Asset {
  keypair,
  receiver,