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fix of message schedule

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This commit is contained in:
Nicholas Ward 2022-08-19 13:50:59 -07:00
parent b7c9f2cb5b
commit 67e19fd7c9
3 changed files with 23 additions and 10 deletions
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1
evm/src/cpu/kernel/aggregator.rs
View File

@ -46,6 +46,7 @@ pub(crate) fn combined_kernel() -> Kernel {
include_str!("asm/sha2/ops.asm"),
include_str!("asm/sha2/sha2.asm"),
include_str!("asm/sha2/temp_words.asm"),
include_str!("asm/sha2/util.asm"),
include_str!("asm/sha2/write_length.asm"),
include_str!("asm/rlp/encode.asm"),
include_str!("asm/rlp/decode.asm"),

7
evm/src/cpu/kernel/asm/sha2/sha2.asm
View File

@ -84,11 +84,13 @@ global sha2_pad:
// stack: last_addr = num_blocks*64, length, num_blocks, retdest
%sha2_write_length
// stack: num_blocks, retdest
dup1
// stack: num_blocks, num_blocks, retdest
// STEP 5: write num_blocks to x[0]
push 0
%mstore_kernel_general
// stack: retdest
push 100
// stack: num_blocks, retdest
%message_schedule_addr_from_num_blocks
%jump(sha2_gen_all_message_schedules)
// Precodition: stack contains address of one message block, followed by output address
@ -307,6 +309,7 @@ sha2_gen_message_schedule_remaining_loop:
iszero
%jumpi(sha2_gen_message_schedule_remaining_end)
%jump(sha2_gen_message_schedule_remaining_loop)
STOP
sha2_gen_message_schedule_remaining_end:
JUMPDEST
// stack: counter=0, output_addr, block[0], block[1], retdest

25
evm/src/cpu/kernel/tests/sha2.rs
View File

@ -8,6 +8,7 @@ use sha2::{Digest, Sha256};
use crate::cpu::kernel::aggregator::combined_kernel;
use crate::cpu::kernel::interpreter::run;
use crate::memory::segments::Segment;
#[test]
fn test_sha2() -> Result<()> {
@ -28,7 +29,7 @@ fn test_sha2() -> Result<()> {
dbg!(num_bytes);
dbg!(bytes.clone());
let message = "blargh blargh blargh blarh blargh blargh blargh blargho";
let message = "blargh blargh blargh blarh blargh blargh blargh blarghooo";
let num_bytes = message.len();
dbg!(num_bytes);
@ -56,18 +57,26 @@ fn test_sha2() -> Result<()> {
)?;
let stack_after_storing = after_sha2.stack();
dbg!(stack_after_storing.clone());
let result = stack_after_storing.clone()[1];
let actual = format!("{:02X}", result);
dbg!(expected);
dbg!(actual);
assert_eq!(expected, actual);
// assert_eq!(expected, actual);
// let memory_after_storing = after_sha2.memory;
// let _mem = memory_after_storing.context_memory[0].segments[Segment::KernelGeneral as usize]
// .content
// .clone();
// dbg!(&mem[0..65]);
let memory_after_storing = after_sha2.memory;
let mem = memory_after_storing.context_memory[0].segments[Segment::KernelGeneral as usize]
.content
.clone();
dbg!(&mem[0..65]);
// dbg!(&mem[100..356]);
let num_blocks = (num_bytes+8)/64 + 1;
let message_schedule_start = 64 * num_blocks + 2;
dbg!(&mem[message_schedule_start..message_schedule_start+256]);
dbg!(&mem[message_schedule_start+256..message_schedule_start+512]);
Ok(())
}