sp1-core-machine 3.0.0-rc4

SP1 is a performant, 100% open-source, contributor-friendly zkVM.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56

use std::iter::once;

use p3_air::AirBuilder;
use sp1_stark::{
    air::{AirInteraction, BaseAirBuilder, InteractionScope},
    InteractionKind,
};

use crate::cpu::columns::{InstructionCols, OpcodeSelectorCols};

/// A trait which contains methods related to program interactions in an AIR.
pub trait ProgramAirBuilder: BaseAirBuilder {
    /// Sends an instruction.
    fn send_program(
        &mut self,
        pc: impl Into<Self::Expr>,
        instruction: InstructionCols<impl Into<Self::Expr> + Copy>,
        selectors: OpcodeSelectorCols<impl Into<Self::Expr> + Copy>,
        shard: impl Into<Self::Expr> + Copy,
        multiplicity: impl Into<Self::Expr>,
    ) {
        let values = once(pc.into())
            .chain(once(instruction.opcode.into()))
            .chain(instruction.into_iter().map(|x| x.into()))
            .chain(selectors.into_iter().map(|x| x.into()))
            .chain(once(shard.into()))
            .collect();

        self.send(
            AirInteraction::new(values, multiplicity.into(), InteractionKind::Program),
            InteractionScope::Local,
        );
    }

    /// Receives an instruction.
    fn receive_program(
        &mut self,
        pc: impl Into<Self::Expr>,
        instruction: InstructionCols<impl Into<Self::Expr> + Copy>,
        selectors: OpcodeSelectorCols<impl Into<Self::Expr> + Copy>,
        shard: impl Into<Self::Expr> + Copy,
        multiplicity: impl Into<Self::Expr>,
    ) {
        let values: Vec<<Self as AirBuilder>::Expr> = once(pc.into())
            .chain(once(instruction.opcode.into()))
            .chain(instruction.into_iter().map(|x| x.into()))
            .chain(selectors.into_iter().map(|x| x.into()))
            .chain(once(shard.into()))
            .collect();

        self.receive(
            AirInteraction::new(values, multiplicity.into(), InteractionKind::Program),
            InteractionScope::Local,
        );
    }
}