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Reduced gas cost for static calls made to precompiles EIP2046/1352 (#11583)

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* Implemented eip2046

* Update ethcore/builtin/src/lib.rs

Co-Authored-By: Wei Tang <accounts@that.world>

* Update ethcore/builtin/src/lib.rs

Co-Authored-By: Wei Tang <accounts@that.world>

* Update ethcore/builtin/src/lib.rs

Co-Authored-By: Andronik Ordian <write@reusable.software>

* Update ethcore/builtin/src/lib.rs

Co-Authored-By: Wei Tang <accounts@that.world>

* move precompile address limit def to gasometer

* use const instead lazy_static

Co-authored-by: Wei Tang <accounts@that.world>
Co-authored-by: Andronik Ordian <write@reusable.software>
This commit is contained in:
adria0.eth
2020-04-06 22:31:12 +02:00
committed by GitHub
parent 5627f049a7
commit c0920b30ee
11 changed files with 183 additions and 5 deletions
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13
ethcore/vm/src/schedule.rs
View File

@@ -71,8 +71,10 @@ pub struct Schedule {
pub log_topic_gas: usize,
/// Gas price for `CREATE` opcode
pub create_gas: usize,
/// Gas price for `*CALL*` opcodes
/// Gas price for `*CALL*` opcodes, EXCEPT for staticcall to precompiles
pub call_gas: usize,
/// Gas price for staticcall to precompiles
pub staticcall_precompile_gas: usize,
/// Stipend for transfer for `CALL|CALLCODE` opcode when `value>0`
pub call_stipend: usize,
/// Additional gas required for value transfer (`CALL|CALLCODE`)
@@ -250,6 +252,7 @@ impl Schedule {
log_topic_gas: 375,
create_gas: 32000,
call_gas: 700,
staticcall_precompile_gas: 700,
call_stipend: 2300,
call_value_transfer_gas: 9000,
call_new_account_gas: 25000,
@@ -312,6 +315,13 @@ impl Schedule {
schedule
}
/// Schedule for the Berlin fork of the Ethereum main net.
pub fn new_berlin() -> Schedule {
let mut schedule = Self::new_istanbul();
schedule.staticcall_precompile_gas = 40; // EIPs 2046 1352
schedule
}
fn new(efcd: bool, hdc: bool, tcg: usize) -> Schedule {
Schedule {
exceptional_failed_code_deposit: efcd,
@@ -341,6 +351,7 @@ impl Schedule {
log_topic_gas: 375,
create_gas: 32000,
call_gas: 40,
staticcall_precompile_gas: 40,
call_stipend: 2300,
call_value_transfer_gas: 9000,
call_new_account_gas: 25000,

7
ethcore/vm/src/tests.rs
View File

@@ -107,6 +107,13 @@ impl FakeExt {
ext
}
/// New fake externalities with Berlin schedule rules
pub fn new_berlin() -> Self {
let mut ext = FakeExt::default();
ext.schedule = Schedule::new_berlin();
ext
}
/// Alter fake externalities to allow wasm
pub fn with_wasm(mut self) -> Self {
self.schedule.wasm = Some(Default::default());