revm_interpreter/instructions/
host_env.rs

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1use crate::{
2    gas,
3    primitives::{Spec, SpecId::*, U256},
4    Host, Interpreter,
5};
6
7/// EIP-1344: ChainID opcode
8pub fn chainid<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host: &mut H) {
9    check!(interpreter, ISTANBUL);
10    gas!(interpreter, gas::BASE);
11    push!(interpreter, U256::from(host.env().cfg.chain_id));
12}
13
14pub fn coinbase<H: Host + ?Sized>(interpreter: &mut Interpreter, host: &mut H) {
15    gas!(interpreter, gas::BASE);
16    push_b256!(interpreter, host.env().block.coinbase.into_word());
17}
18
19pub fn timestamp<H: Host + ?Sized>(interpreter: &mut Interpreter, host: &mut H) {
20    gas!(interpreter, gas::BASE);
21    push!(interpreter, host.env().block.timestamp);
22}
23
24pub fn block_number<H: Host + ?Sized>(interpreter: &mut Interpreter, host: &mut H) {
25    gas!(interpreter, gas::BASE);
26    push!(interpreter, host.env().block.number);
27}
28
29pub fn difficulty<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host: &mut H) {
30    gas!(interpreter, gas::BASE);
31    if SPEC::enabled(MERGE) {
32        push_b256!(interpreter, host.env().block.prevrandao.unwrap());
33    } else {
34        push!(interpreter, host.env().block.difficulty);
35    }
36}
37
38pub fn gaslimit<H: Host + ?Sized>(interpreter: &mut Interpreter, host: &mut H) {
39    gas!(interpreter, gas::BASE);
40    push!(interpreter, host.env().block.gas_limit);
41}
42
43pub fn gasprice<H: Host + ?Sized>(interpreter: &mut Interpreter, host: &mut H) {
44    gas!(interpreter, gas::BASE);
45    push!(interpreter, host.env().effective_gas_price());
46}
47
48/// EIP-3198: BASEFEE opcode
49pub fn basefee<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host: &mut H) {
50    check!(interpreter, LONDON);
51    gas!(interpreter, gas::BASE);
52    push!(interpreter, host.env().block.basefee);
53}
54
55pub fn origin<H: Host + ?Sized>(interpreter: &mut Interpreter, host: &mut H) {
56    gas!(interpreter, gas::BASE);
57    push_b256!(interpreter, host.env().tx.caller.into_word());
58}
59
60// EIP-4844: Shard Blob Transactions
61pub fn blob_hash<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host: &mut H) {
62    check!(interpreter, CANCUN);
63    gas!(interpreter, gas::VERYLOW);
64    pop_top!(interpreter, index);
65    let i = as_usize_saturated!(index);
66    *index = match host.env().tx.blob_hashes.get(i) {
67        Some(hash) => U256::from_be_bytes(hash.0),
68        None => U256::ZERO,
69    };
70}
71
72/// EIP-7516: BLOBBASEFEE opcode
73pub fn blob_basefee<H: Host + ?Sized, SPEC: Spec>(interpreter: &mut Interpreter, host: &mut H) {
74    check!(interpreter, CANCUN);
75    gas!(interpreter, gas::BASE);
76    push!(
77        interpreter,
78        U256::from(host.env().block.get_blob_gasprice().unwrap_or_default())
79    );
80}
revm_interpreter/instructions/host_env.rs

revm_interpreter/instructions/
host_env.rs
