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Add names table for each EVM revision

This commit is contained in:
Paweł Bylica 2018-06-11 19:32:18 +02:00
parent 94bb5fbec9
commit cb9ebb7c82
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GPG Key ID: 7A0C037434FE77EF
3 changed files with 1091 additions and 267 deletions
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13
include/evmc/instructions.h
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@ -188,7 +188,8 @@ struct evmc_instruction_metrics
* Get the table of the EVM 1 instructions metrics.
*
* @param revision The EVM revision.
* @return The pointer to the array of 256 instruction metrics.
* @return The pointer to the array of 256 instruction metrics. Null pointer in case
* an invalid EVM revision provided.
*/
const struct evmc_instruction_metrics* evmc_get_instruction_metrics_table(
enum evmc_revision revision);
@ -196,15 +197,13 @@ const struct evmc_instruction_metrics* evmc_get_instruction_metrics_table(
/**
* Get the table of the EVM 1 instruction names.
*
* This table is EVM revision independent and contains the superset of the names of the instructions
* from all EVM revisions. Use evmc_get_instruction_metrics_table() to know if an instruction
* is present in the given EVM revision.
*
* The entries for undefined instructions contain null pointers.
*
* @return The pointer to the array of 256 instruction names.
* @param revision The EVM revision.
* @return The pointer to the array of 256 instruction names. Null pointer in case
* an invalid EVM revision provided.
*/
const char* const* evmc_get_instruction_name_table();
const char* const* evmc_get_instruction_names_table(enum evmc_revision revision);
#if __cplusplus
}

1308
lib/instructions/instruction_names.c
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File diff suppressed because it is too large Load Diff

37
test/unittests/test_instructions.cpp
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@ -10,9 +10,13 @@ TEST(instructions, homestead_hard_fork)
{
const auto f = evmc_get_instruction_metrics_table(EVMC_FRONTIER);
const auto h = evmc_get_instruction_metrics_table(EVMC_HOMESTEAD);
const auto fn = evmc_get_instruction_names_table(EVMC_FRONTIER);
const auto hn = evmc_get_instruction_names_table(EVMC_HOMESTEAD);
EXPECT_EQ(f[OP_DELEGATECALL].gas_cost, -1);
EXPECT_EQ(h[OP_DELEGATECALL].gas_cost, 40);
EXPECT_EQ(fn[OP_DELEGATECALL], nullptr);
EXPECT_EQ(hn[OP_DELEGATECALL], std::string{"DELEGATECALL"});
}
TEST(instructions, tangerine_whistle_hard_fork)
@ -58,18 +62,49 @@ TEST(instructions, byzantium_hard_fork)
{
const auto b = evmc_get_instruction_metrics_table(EVMC_BYZANTIUM);
const auto sd = evmc_get_instruction_metrics_table(EVMC_SPURIOUS_DRAGON);
const auto bn = evmc_get_instruction_names_table(EVMC_BYZANTIUM);
const auto sdn = evmc_get_instruction_names_table(EVMC_SPURIOUS_DRAGON);
EXPECT_EQ(b[OP_REVERT].gas_cost, 0);
EXPECT_EQ(b[OP_REVERT].num_stack_arguments, 2);
EXPECT_EQ(b[OP_REVERT].num_stack_returned_items, 0);
EXPECT_EQ(sd[OP_REVERT].gas_cost, -1);
EXPECT_EQ(bn[OP_REVERT], std::string{"REVERT"});
EXPECT_EQ(sdn[OP_REVERT], nullptr);
EXPECT_EQ(b[OP_RETURNDATACOPY].gas_cost, 3);
EXPECT_EQ(sd[OP_RETURNDATACOPY].gas_cost, -1);
EXPECT_EQ(bn[OP_RETURNDATACOPY], std::string{"RETURNDATACOPY"});
EXPECT_EQ(sdn[OP_RETURNDATACOPY], nullptr);
EXPECT_EQ(b[OP_RETURNDATASIZE].gas_cost, 2);
EXPECT_EQ(sd[OP_RETURNDATASIZE].gas_cost, -1);
EXPECT_EQ(bn[OP_RETURNDATASIZE], std::string{"RETURNDATASIZE"});
EXPECT_EQ(sdn[OP_RETURNDATASIZE], nullptr);
EXPECT_EQ(b[OP_STATICCALL].gas_cost, 700);
EXPECT_EQ(sd[OP_STATICCALL].gas_cost, -1);
}
EXPECT_EQ(bn[OP_STATICCALL], std::string{"STATICCALL"});
EXPECT_EQ(sdn[OP_STATICCALL], nullptr);
}
TEST(instructions, name_gas_cost_equivalence)
{
for (auto rev = EVMC_FRONTIER; rev <= EVMC_CONSTANTINOPLE;
rev = static_cast<evmc_revision>(rev + 1))
{
const auto names = evmc_get_instruction_names_table(rev);
const auto metrics = evmc_get_instruction_metrics_table(rev);
for (int i = 0; i < 256; ++i)
{
auto name = names[i];
auto gas_cost = metrics[i].gas_cost;
if (name != nullptr)
EXPECT_GE(gas_cost, 0);
else
EXPECT_EQ(gas_cost, -1);
}
}
}