2019-07-08 16:52:25 -07:00
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//! @brief Example Rust-based BPF program that moves a lamport from one account to another
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2019-09-06 09:20:14 -07:00
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extern crate solana_sdk;
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use solana_sdk::entrypoint;
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use solana_sdk::entrypoint::*;
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2019-07-08 16:52:25 -07:00
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entrypoint!(process_instruction);
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fn process_instruction(ka: &mut [SolKeyedAccount], _info: &SolClusterInfo, _data: &[u8]) -> bool {
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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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*ka[0].lamports -= 1;
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true
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}
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