Add immutable support #498
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Co-Authored-By: Claude Opus 4.5 <[email protected]>
re-gius
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Jan 19, 2026
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re-gius
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Jan 20, 2026
- Changed RPC interface to accept individual immutable values instead of concatenated bytes - Moved endianness conversion (big-endian to little-endian) from test to RPC handler - Updated test to pass immutable values as separate ABI-encoded Bytes elements - Simplified byte conversion logic: removed unnecessary intermediate vector, using direct indexing - Added comprehensive documentation explaining data format and conversion process - All immutable values now handled consistently with better API clarity This makes the RPC easier to invoke and aligns with how Sourcify and solc provide immutable data. Co-Authored-By: Claude Haiku 4.5 <[email protected]>
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Adds immutable variable support
To replay an existing PVM contract from another chain, we need to restore both its mutable storage state and its immutable state.
Unlike EVM, where immutables are embedded in the runtime bytecode, PVM contracts use a single bytecode. Immutable values are instead stored in a dedicated immutable storage map, which is initialized during contract construction.
This PR introduces a new Anvil RPC
anvil_setImmutableStorageAtmethod to set this storage