From d0f89eab4c304a2fe927fe1fbd00272872a2462c Mon Sep 17 00:00:00 2001
From: metaproph3t <metaproph3t@protonmail.com>
Date: Fri, 14 Feb 2025 00:00:00 -0700
Subject: [PATCH] Make it 1,000 tokens per USDC instead of 10,000

---
 programs/launchpad/src/instructions/complete_launch.rs | 3 ++-
 programs/launchpad/src/instructions/fund.rs            | 3 ++-
 programs/launchpad/src/instructions/refund.rs          | 3 ++-
 programs/launchpad/src/lib.rs                          | 4 ++--
 sdk/src/v0.4/types/launchpad.ts                        | 2 --
 tests/launchpad/unit/fund.test.ts                      | 2 +-
 6 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/programs/launchpad/src/instructions/complete_launch.rs b/programs/launchpad/src/instructions/complete_launch.rs
index 3a3637cf..4803d0bd 100644
--- a/programs/launchpad/src/instructions/complete_launch.rs
+++ b/programs/launchpad/src/instructions/complete_launch.rs
@@ -3,6 +3,7 @@ use anchor_lang::{prelude::*, system_program};
 use anchor_spl::associated_token::AssociatedToken;
 use anchor_spl::token::{self, Mint, MintTo, Token, TokenAccount, Transfer};
 
+use crate::TOKENS_PER_USDC;
 use crate::error::LaunchpadError;
 use crate::state::{Launch, LaunchState};
 use raydium_cpmm_cpi::{
@@ -163,7 +164,7 @@ impl CompleteLaunch<'_> {
         if launch_usdc_balance >= launch.minimum_raise_amount {
             let usdc_to_lp = launch_usdc_balance.saturating_div(10);
             let usdc_to_dao = launch_usdc_balance.saturating_sub(usdc_to_lp);
-            let token_to_lp = usdc_to_lp.saturating_mul(10_000);
+            let token_to_lp = usdc_to_lp.saturating_mul(TOKENS_PER_USDC);
 
             let dao_key = launch.dao;
 
diff --git a/programs/launchpad/src/instructions/fund.rs b/programs/launchpad/src/instructions/fund.rs
index 199a164d..92ea4e36 100644
--- a/programs/launchpad/src/instructions/fund.rs
+++ b/programs/launchpad/src/instructions/fund.rs
@@ -3,6 +3,7 @@ use anchor_spl::token::{self, Mint, Token, TokenAccount, Transfer, MintTo};
 
 use crate::state::{Launch, LaunchState};
 use crate::error::LaunchpadError;
+use crate::TOKENS_PER_USDC;
 
 #[derive(Accounts)]
 pub struct Fund<'info> {
@@ -58,7 +59,7 @@ impl Fund<'_> {
         // Transfer tokens from vault to funder (10,000 * USDC amount)
         // We don't need to worry about decimals because both USDC and token
         // have 6 decimals
-        let token_amount = amount * 10_000;
+        let token_amount = amount * TOKENS_PER_USDC;
 
         let dao_key = ctx.accounts.launch.dao;
 
diff --git a/programs/launchpad/src/instructions/refund.rs b/programs/launchpad/src/instructions/refund.rs
index ee06c308..e49e7a21 100644
--- a/programs/launchpad/src/instructions/refund.rs
+++ b/programs/launchpad/src/instructions/refund.rs
@@ -3,6 +3,7 @@ use anchor_spl::token::{self, Token, TokenAccount, Transfer, Burn, Mint};
 
 use crate::state::{Launch, LaunchState};
 use crate::error::LaunchpadError;
+use crate::TOKENS_PER_USDC;
 
 #[derive(Accounts)]
 pub struct Refund<'info> {
@@ -68,7 +69,7 @@ impl Refund<'_> {
                 },
                 signer,
             ),
-            user_token_balance / 10_000,
+            user_token_balance.saturating_div(TOKENS_PER_USDC),
         )?;
 
         // Burn tokens
diff --git a/programs/launchpad/src/lib.rs b/programs/launchpad/src/lib.rs
index 0022bd96..d0f8b30d 100644
--- a/programs/launchpad/src/lib.rs
+++ b/programs/launchpad/src/lib.rs
@@ -20,10 +20,10 @@ use instructions::*;
 
 declare_id!("AfJJJ5UqxhBKoE3grkKAZZsoXDE9kncbMKvqSHGsCNrE");
 
+pub const TOKENS_PER_USDC: u64 = 1_000;
+
 /// TODO:
-/// - Add a `refund` instruction that allows funders to get their USDC back if the launch fails
 /// - Add a `start_launch` instruction that allows the creator to start the launch
-/// - Make it 1,000 tokens per USDC rather than 10,000
 /// - Test on devnet
 
 #[program]
diff --git a/sdk/src/v0.4/types/launchpad.ts b/sdk/src/v0.4/types/launchpad.ts
index 79932ab8..734e4dee 100644
--- a/sdk/src/v0.4/types/launchpad.ts
+++ b/sdk/src/v0.4/types/launchpad.ts
@@ -3,7 +3,6 @@ export type Launchpad = {
   name: "launchpad";
   docs: [
     "TODO:",
-    "- Add a `refund` instruction that allows funders to get their USDC back if the launch fails",
     "- Add a `start_launch` instruction that allows the creator to start the launch",
     "- Make it 1,000 tokens per USDC rather than 10,000",
     "- Test on devnet"
@@ -538,7 +537,6 @@ export const IDL: Launchpad = {
   name: "launchpad",
   docs: [
     "TODO:",
-    "- Add a `refund` instruction that allows funders to get their USDC back if the launch fails",
     "- Add a `start_launch` instruction that allows the creator to start the launch",
     "- Make it 1,000 tokens per USDC rather than 10,000",
     "- Test on devnet",
diff --git a/tests/launchpad/unit/fund.test.ts b/tests/launchpad/unit/fund.test.ts
index 889b4f83..df4e3806 100644
--- a/tests/launchpad/unit/fund.test.ts
+++ b/tests/launchpad/unit/fund.test.ts
@@ -91,6 +91,6 @@ export default function suite() {
     assert.equal(usdcVaultAccount.amount.toString(), fundAmount.toString());
 
     const storedFunderTokenAccount = await getAccount(this.banksClient, funderTokenAccount);
-    assert.equal(storedFunderTokenAccount.amount.toString(), fundAmount.muln(10_000).toString());
+    assert.equal(storedFunderTokenAccount.amount.toString(), fundAmount.muln(1_000).toString());
   });
 } 
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