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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,111 +1,147 @@ | ||
| use anchor_lang::prelude::*; | ||
| use anchor_lang::solana_program::entrypoint::ProgramResult; | ||
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| declare_id!("HYCWfDk8ZU8SF5oF9CE2CyChgBU6yndn82Umo4iE1Q9T"); | ||
| declare_id!("E4fXqx7ybioeqZsHWNndNnqnpQ93DnV99gKnnxWXjvdu"); | ||
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| #[program] | ||
| pub mod smart_contracts { | ||
| use super::*; | ||
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| //creates a campaign | ||
| pub fn create( | ||
| ctx: Context<Create>, | ||
| name: String, | ||
| description: String, | ||
| target_amount: u64, | ||
| project_url: String, | ||
| progress_update_url: String, | ||
| project_image_url: String, | ||
| category: String | ||
| ) -> ProgramResult { | ||
| let campaign = &mut ctx.accounts.campaign; | ||
| campaign.name = name; | ||
| campaign.description = description; | ||
| campaign.target_amount = target_amount; | ||
| campaign.project_url = project_url; | ||
| campaign.progress_update_url = progress_update_url; | ||
| campaign.project_image_url = project_image_url; | ||
| campaign.category = category; | ||
| campaign.amount_donated = 0; | ||
| campaign.amount_withdrawn = 0; | ||
| campaign.admin = *ctx.accounts.user.key; | ||
| Ok(()) | ||
| use super::*; | ||
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| //creates a campaign | ||
| pub fn create( | ||
| ctx: Context<Create>, | ||
| name: String, | ||
| description: String, | ||
| target_amount: u64, | ||
| project_url: String, | ||
| progress_update_url: String, | ||
| project_image_url: String, | ||
| category: String | ||
| ) -> ProgramResult { | ||
| let campaign = &mut ctx.accounts.campaign; | ||
| campaign.name = name; | ||
| campaign.description = description; | ||
| campaign.target_amount = target_amount; | ||
| campaign.project_url = project_url; | ||
| campaign.progress_update_url = progress_update_url; | ||
| campaign.project_image_url = project_image_url; | ||
| campaign.category = category; | ||
| campaign.amount_donated = 0; | ||
| campaign.amount_withdrawn = 0; | ||
| campaign.admin = *ctx.accounts.user.key; | ||
| Ok(()) | ||
| } | ||
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| //Withdraw from a campaign | ||
| pub fn withdraw(ctx: Context<Withdraw>, amount: u64) -> ProgramResult { | ||
| let campaign = &mut ctx.accounts.campaign; | ||
| let user = &mut ctx.accounts.user; | ||
| //restricts Withdrawal to campaign admin | ||
| if campaign.admin != *user.key { | ||
| return Err(ProgramError::IncorrectProgramId); | ||
| } | ||
| //Withdraw from a campaign | ||
| pub fn withdraw(ctx: Context<Withdraw>, amount: u64) -> ProgramResult { | ||
| let campaign = &mut ctx.accounts.campaign; | ||
| let user = &mut ctx.accounts.user; | ||
| //restricts Withdrawal to campaign admin | ||
| if campaign.admin != *user.key { | ||
| return Err(ProgramError::IncorrectProgramId); | ||
| } | ||
| let rent_balance = Rent::get()?.minimum_balance(campaign.to_account_info().data_len()); | ||
| if **campaign.to_account_info().lamports.borrow() - rent_balance < amount { | ||
| return Err(ProgramError::InsufficientFunds); | ||
| } | ||
| **campaign.to_account_info().try_borrow_mut_lamports()? -= amount; | ||
| **user.to_account_info().try_borrow_mut_lamports()? += amount; | ||
| (&mut ctx.accounts.campaign).amount_withdrawn += amount; | ||
| Ok(()) | ||
| let rent_balance = Rent::get()?.minimum_balance(campaign.to_account_info().data_len()); | ||
| if **campaign.to_account_info().lamports.borrow() - rent_balance < amount { | ||
| return Err(ProgramError::InsufficientFunds); | ||
| } | ||
| //Donate to a campaign | ||
| pub fn donate(ctx: Context<Donate>, amount: u64) -> ProgramResult { | ||
| let ix = anchor_lang::solana_program::system_instruction::transfer( | ||
| &ctx.accounts.user.key(), | ||
| &ctx.accounts.campaign.key(), | ||
| amount | ||
| ); | ||
| anchor_lang::solana_program::program::invoke( | ||
| &ix, | ||
| &[ctx.accounts.user.to_account_info(), ctx.accounts.campaign.to_account_info()] | ||
| ); | ||
| (&mut ctx.accounts.campaign).amount_donated += amount; | ||
| Ok(()) | ||
| **campaign.to_account_info().try_borrow_mut_lamports()? -= amount; | ||
| **user.to_account_info().try_borrow_mut_lamports()? += amount; | ||
| (&mut ctx.accounts.campaign).amount_withdrawn += amount; | ||
| Ok(()) | ||
| } | ||
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| //Donate to a campaign | ||
| pub fn donate(ctx: Context<Donate>, amount: u64) -> ProgramResult { | ||
| let ix = anchor_lang::solana_program::system_instruction::transfer( | ||
| &ctx.accounts.user.key(), | ||
| &ctx.accounts.campaign.key(), | ||
| amount | ||
| ); | ||
| // Store the result of the invoke function call | ||
| let result = anchor_lang::solana_program::program::invoke( | ||
| &ix, | ||
| &[ctx.accounts.user.to_account_info(), ctx.accounts.campaign.to_account_info()] | ||
| ); | ||
| // Check if the invoke operation was successful | ||
| if let Err(e) = result { | ||
| return Err(e.into()); // Convert the error to a ProgramResult | ||
| } | ||
| // Proceed with the rest of the function | ||
| (&mut ctx.accounts.campaign).amount_donated += amount; | ||
| Ok(()) | ||
| } | ||
|
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| //Get the campaign | ||
| pub fn get_campaign(ctx: Context<GetCampaign>) -> ProgramResult { | ||
| let campaign = &ctx.accounts.campaign; | ||
| let user = &ctx.accounts.user; | ||
| if campaign.admin != *user.key { | ||
| return Err(ProgramError::IncorrectProgramId); | ||
| } | ||
| Ok(()) | ||
| } | ||
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| } | ||
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| #[derive(Accounts)] | ||
| pub struct Create<'info> { | ||
| #[account( | ||
| init, | ||
| payer = user, | ||
| space = 9000, | ||
| seeds = [b"CROWDFUND".as_ref(), user.key().as_ref()], | ||
| bump | ||
| )] | ||
| pub campaign: Account<'info, Campaign>, | ||
| #[account(mut)] | ||
| pub user: Signer<'info>, | ||
| pub system_program: Program<'info, System>, | ||
| #[account( | ||
| init, | ||
| payer = user, | ||
| space = 9000, | ||
| seeds = [b"CROWDFUND".as_ref(), user.key().as_ref()], | ||
| bump | ||
| )] | ||
| pub campaign: Account<'info, Campaign>, | ||
| #[account(mut)] | ||
| pub user: Signer<'info>, | ||
| pub system_program: Program<'info, System>, | ||
| } | ||
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| #[derive(Accounts)] | ||
| pub struct Withdraw<'info> { | ||
| #[account(mut)] | ||
| pub campaign: Account<'info, Campaign>, | ||
| #[account(mut)] | ||
| pub user: Signer<'info>, | ||
| #[account(mut)] | ||
| pub campaign: Account<'info, Campaign>, | ||
| #[account(mut)] | ||
| pub user: Signer<'info>, | ||
| } | ||
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| #[derive(Accounts)] | ||
| pub struct Donate<'info> { | ||
| #[account(mut)] | ||
| pub campaign: Account<'info, Campaign>, | ||
| #[account(mut)] | ||
| pub user: Signer<'info>, | ||
| pub system_program: Program<'info, System>, | ||
| #[account(mut)] | ||
| pub campaign: Account<'info, Campaign>, | ||
| #[account(mut)] | ||
| pub user: Signer<'info>, | ||
| pub system_program: Program<'info, System>, | ||
| } | ||
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| #[derive(Accounts)] | ||
| pub struct GetCampaign<'info> { | ||
| #[account(mut)] | ||
| pub campaign: Account<'info, Campaign>, | ||
| #[account(mut)] | ||
| pub user: Signer<'info>, | ||
| } | ||
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| #[account] | ||
| pub struct Campaign { | ||
| pub admin: Pubkey, | ||
| pub name: String, | ||
| pub description: String, | ||
| pub target_amount: u64, | ||
| pub project_url: String, | ||
| pub progress_update_url: String, | ||
| pub project_image_url: String, | ||
| pub category: String, | ||
| pub amount_donated: u64, | ||
| pub amount_withdrawn: u64, | ||
| pub admin: Pubkey, | ||
| pub name: String, | ||
| pub description: String, | ||
| pub target_amount: u64, | ||
| pub project_url: String, | ||
| pub progress_update_url: String, | ||
| pub project_image_url: String, | ||
| pub category: String, | ||
| pub amount_donated: u64, | ||
| pub amount_withdrawn: u64, | ||
| } |
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