add pinocchio cross-program-invocation example#584
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Ports the hand+lever CPI example from anchor/native to Pinocchio. - Two-program workspace: hand (caller) and lever (callee). - Lever exposes initialize and switch_power instructions via a 1-byte discriminator; uses pinocchio-system::CreateAccount for account allocation under its own program id. - Hand forwards switch_power(name) over CPI to lever, building the cross-program Instruction on the stack (no_std, no allocator). - Bankrun TS test exercises the full init -> pull -> pull-again flow plus an invalid-discriminator rejection case.
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Summary
Ports the
basics/cross-program-invocationexample (hand + lever) from anchor/native to a Pinocchio variant.basics/cross-program-invocation/pinocchio/programs/{hand,lever}.initializeandswitch_powervia a single-byte discriminator (0/1), and usespinocchio-system::CreateAccountto allocate thepoweraccount under its own program id during initialize.switch_power(name)to lever over CPI. The CPI buffer is built on the stack (cap 128 bytes) to stayno_stdwithout an allocator.initialize→pull lever→pull again, plus an invalid-discriminator rejection.Test plan
cargo fmt --checkclean for both cratescargo clippy -- -D warningsclean for both cratescargo build-sbfsucceeds for both programs (Anza v4.0.0, platform-tools v1.53)