SIMD-0433 Loader V3: Set Program Data to ELF Length
This SIMD proposes changing the default behavior of program upgrades to automatically resize the program data account so that its ELF region matches the length of the ELF being deployed. The total account size remains the program data metadata header plus the ELF length. If the new ELF is smaller, surplus lamports are refunded to the spill account. If the new ELF is larger, the account is extended accordingly.
Feature gate
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What the proposal covers
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