From 8b81c8a01d5789d3938a96ae4f642af58e5d3167 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pawe=C5=82=20Bylica?= Date: Wed, 22 Nov 2023 14:46:39 +0100 Subject: [PATCH 1/2] precompile: Add dummy point evaluation (EIP-4844) Introduce EIP-4844 point evaluation precompile with dummy implementation. --- test/state/precompiles.cpp | 10 ++++++++++ test/state/precompiles.hpp | 8 +++++--- test/unittests/state_precompiles_test.cpp | 4 +++- 3 files changed, 18 insertions(+), 4 deletions(-) diff --git a/test/state/precompiles.cpp b/test/state/precompiles.cpp index adbe376662..ad6d58f150 100644 --- a/test/state/precompiles.cpp +++ b/test/state/precompiles.cpp @@ -144,6 +144,12 @@ PrecompileAnalysis expmod_analyze(bytes_view input, evmc_revision rev) noexcept static_cast(mod_len)}; } +PrecompileAnalysis point_evaluation_analyze(bytes_view, evmc_revision) noexcept +{ + static constexpr auto POINT_EVALUATION_PRECOMPILE_GAS = 50000; + return {POINT_EVALUATION_PRECOMPILE_GAS, 64}; +} + ExecutionResult ecrecover_execute(const uint8_t* input, size_t input_size, uint8_t* output, [[maybe_unused]] size_t output_size) noexcept { @@ -263,6 +269,7 @@ inline constexpr auto traits = []() noexcept { {ecmul_analyze, ecmul_execute}, {ecpairing_analyze, dummy_execute}, {blake2bf_analyze, dummy_execute}, + {point_evaluation_analyze, dummy_execute}, }}; #ifdef EVMONE_PRECOMPILES_SILKPRE // tbl[static_cast(PrecompileId::ecrecover)].execute = silkpre_ecrecover_execute; @@ -295,6 +302,9 @@ bool is_precompile(evmc_revision rev, const evmc::address& addr) noexcept if (rev < EVMC_ISTANBUL && id >= stdx::to_underlying(PrecompileId::since_istanbul)) return false; + if (rev < EVMC_CANCUN && id >= stdx::to_underlying(PrecompileId::since_cancun)) + return false; + return true; } diff --git a/test/state/precompiles.hpp b/test/state/precompiles.hpp index 531b04c389..d496cd5917 100644 --- a/test/state/precompiles.hpp +++ b/test/state/precompiles.hpp @@ -21,10 +21,12 @@ enum class PrecompileId : uint8_t ecmul = 0x07, ecpairing = 0x08, blake2bf = 0x09, + point_evaluation = 0x0a, - since_byzantium = expmod, ///< The first precompile introduced in Byzantium. - since_istanbul = blake2bf, ///< The first precompile introduced in Istanbul. - latest = blake2bf ///< The latest introduced precompile (highest address). + since_byzantium = expmod, ///< The first precompile introduced in Byzantium. + since_istanbul = blake2bf, ///< The first precompile introduced in Istanbul. + since_cancun = point_evaluation, ///< The first precompile introduced in Cancun. + latest = point_evaluation ///< The latest introduced precompile (highest address). }; /// The total number of known precompiles ids, including 0. diff --git a/test/unittests/state_precompiles_test.cpp b/test/unittests/state_precompiles_test.cpp index fb80da76f9..293517ff5e 100644 --- a/test/unittests/state_precompiles_test.cpp +++ b/test/unittests/state_precompiles_test.cpp @@ -31,8 +31,10 @@ TEST(state_precompiles, is_precompile) // Istanbul: EXPECT_EQ(is_precompile(rev, 0x09_address), rev >= EVMC_ISTANBUL); + // Cancun: + EXPECT_EQ(is_precompile(rev, 0x0a_address), rev >= EVMC_CANCUN); + // Future? - EXPECT_FALSE(is_precompile(rev, 0x0a_address)); EXPECT_FALSE(is_precompile(rev, 0x0b_address)); EXPECT_FALSE(is_precompile(rev, 0x0c_address)); EXPECT_FALSE(is_precompile(rev, 0x0d_address)); From bd6c3defa2e3bc138729a392a413fef72795757a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pawe=C5=82=20Bylica?= Date: Wed, 22 Nov 2023 14:51:12 +0100 Subject: [PATCH 2/2] precompiles: Add JSON stub for point evaluation Add JSON stub entries for the EIP-4844 point evaluation precompile. Inputs and outputs have been extracted from execution-spec-tests v1.0.6 using modified geth. --- test/state/precompiles_stub.json | 123 +++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) diff --git a/test/state/precompiles_stub.json b/test/state/precompiles_stub.json index 4b1dbb86b0..3709cb106e 100644 --- a/test/state/precompiles_stub.json +++ b/test/state/precompiles_stub.json @@ -693,5 +693,128 @@ "f352cd3242546c7cb1ee7c4dbf7c4cba948d505150b17fae38bff05efb7018fb": "a8ef8236e5f48a74af375df15681d128457891c1cc4706f30747b2d40300b2f49d19f80fbd0945fd87736e1fc1ff10a80fd85a7aa5125154f3aaa3789ddff673", "f6f043c5d533a3310a6ccbc5ec11199f7038a750a570ff5be9e715eb3614c0b1": "6d2ce9e534d50e18ff866ae92d70cceba79bbcd14c63819fe48752c8aca87a4bb7dcc230d22a4047f0486cfcfb50a17b24b2899eb8fca370f22240adb5170189", "fb59d1e38c2473ebc92cd9d9bded35e13a214ab589f11fb07ffc0703784eb33d": 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