19 lines
653 B
Rust
19 lines
653 B
Rust
//! @brief Example Rust-based BPF program that moves a lamport from one account to another
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extern crate solana_sdk;
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use solana_sdk::{account_info::AccountInfo, entrypoint, entrypoint::SUCCESS, pubkey::Pubkey};
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entrypoint!(process_instruction);
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fn process_instruction(
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_program_id: &Pubkey,
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accounts: &mut [AccountInfo],
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_instruction_data: &[u8],
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) -> u32 {
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// account 0 is the mint and not owned by this program, any debit of its lamports
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// should result in a failed program execution. Test to ensure that this debit
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// is seen by the runtime and fails as expected
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*accounts[0].borrow_mut().lamports -= 1;
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SUCCESS
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}
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