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https://github.com/datahaven-xyz/datahaven
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6886bcbdde
## Summary This PR implements a comprehensive EVM precompile registry system for DataHaven, following Moonbeam's exact architecture and patterns. The implementation includes: - **Registry Precompile**: A new precompile at address `0x0815` (2069) that manages and queries available precompiles - **Core Ethereum Precompiles**: Standard Ethereum precompiles (ECRecover, SHA256, RIPEMD160, Identity, ModExp, BN128Add, BN128Mul, BN128Pairing, Blake2F, SHA3FIPS) - **Modular Architecture**: Clean separation following Moonbeam's structure with dedicated precompile modules per runtime ## Key Features ### Registry Precompile Functions - `isPrecompile(address)`: Check if an address corresponds to any precompile (active or inactive) - `isActivePrecompile(address)`: Check if a precompile is currently active in the runtime - `updateAccountCode(address)`: Insert dummy EVM bytecode for Solidity compatibility ### Runtime Integration - Integrated across all three runtimes (testnet, stagenet, mainnet) - Uses Moonbeam's `PrecompileSetBuilder` pattern for composable precompile management - Proper gas accounting with database read/write operations - Access control through `CallableByContract` and `CallableByPrecompile` traits --------- Co-authored-by: undercover-cactus <lola@moonsonglabs.com>
41 lines
1.9 KiB
Solidity
41 lines
1.9 KiB
Solidity
// SPDX-License-Identifier: GPL-3.0-only
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pragma solidity >=0.8.3;
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/// @dev The PrecompileRegistry contract's address.
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address constant PRECOMPILE_REGISTRY_ADDRESS = 0x0000000000000000000000000000000000000815;
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/// @dev The PrecompileRegistry contract's instance.
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PrecompileRegistry constant PRECOMPILE_REGISTRY_CONTRACT = PrecompileRegistry(
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PRECOMPILE_REGISTRY_ADDRESS
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);
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/// @author The Moonbeam Team
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/// @title Precompile Registry
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/// @dev Interface to the set of available precompiles.
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/// @custom:address 0x0000000000000000000000000000000000000815
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interface PrecompileRegistry {
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/// @dev Query if the given address is a precompile. Note that deactivated precompiles
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/// are still considered precompiles and will return `true`.
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/// @param a: Address to query
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/// @return output Is this address a precompile?
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/// @custom:selector 446b450e
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function isPrecompile(address a) external view returns (bool);
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/// @dev Query if the given address is an active precompile. Will return false if the
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/// address is not a precompile or if this precompile is deactivated.
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/// @param a: Address to query
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/// @return output Is this address an active precompile?
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/// @custom:selector 6f5e23cf
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function isActivePrecompile(address a) external view returns (bool);
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/// @dev Update the account code of a precompile address.
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/// As precompiles are implemented inside the Runtime, they don't have a bytecode, and
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/// their account code is empty by default. However in Solidity calling a function of a
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/// contract often automatically adds a check that the contract bytecode is non-empty.
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/// For that reason a dummy code (0x60006000fd) can be inserted at the precompile address
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/// to pass that check. This function allows any user to insert that code to precompile address
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/// if they need it.
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/// @param a: Address of the precompile.
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/// @custom:selector 48ceb1b4
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function updateAccountCode(address a) external;
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}
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