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Update EIP-3026 and EIP-2539 #1173

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merged 4 commits into from
Sep 11, 2023
Merged

Update EIP-3026 and EIP-2539 #1173

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8833bd7
Update eip-3026 gas meter
hujw77 Aug 28, 2023
ad4c1c6
Add mappint operation
hujw77 Aug 30, 2023
ed22415
Remove TODOs
hujw77 Aug 30, 2023
7c8a783
Fix compile
hujw77 Sep 5, 2023
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22 changes: 15 additions & 7 deletions frame/evm/precompile/bw6761/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,15 @@ use fp_evm::{

/// Gas discount table for BW6-761 G1 and G2 multi exponentiation operations.
// TODO::to be estimated
const BW6761_MULTIEXP_DISCOUNT_TABLE: [u16; 128] = [0u16; 128];
const BW6761_MULTIEXP_DISCOUNT_TABLE: [u16; 128] = [
1266, 733, 561, 474, 422, 387, 362, 344, 329, 318, 308, 300, 296, 289, 283, 279, 275, 272, 269,
266, 265, 260, 259, 256, 255, 254, 252, 251, 250, 249, 249, 220, 228, 225, 223, 219, 216, 214,
212, 209, 209, 205, 203, 202, 200, 198, 196, 199, 195, 192, 192, 191, 190, 187, 186, 185, 184,
184, 181, 181, 181, 180, 178, 179, 176, 177, 176, 175, 174, 173, 171, 171, 170, 170, 169, 168,
168, 167, 167, 166, 165, 167, 166, 166, 165, 165, 164, 164, 163, 163, 162, 162, 160, 163, 159,
162, 159, 160, 159, 159, 158, 158, 158, 158, 157, 157, 156, 155, 155, 156, 155, 155, 154, 155,
154, 153, 153, 153, 152, 152, 152, 152, 151, 151, 151, 151, 151, 150,
];

/// Encode Fq as `96` bytes by performing Big-Endian encoding of the corresponding (unsigned) integer.
fn encode_fq(field: Fq) -> [u8; 96] {
Expand Down Expand Up @@ -179,7 +187,7 @@ pub struct Bw6761G1Add;

impl Bw6761G1Add {
// TODO::to be estimated
const GAS_COST: u64 = 0;
const GAS_COST: u64 = 180;
}

impl Precompile for Bw6761G1Add {
Expand Down Expand Up @@ -217,7 +225,7 @@ pub struct Bw6761G1Mul;

impl Bw6761G1Mul {
// TODO::to be estimated
const GAS_COST: u64 = 0;
const GAS_COST: u64 = 64_000;
}

impl Precompile for Bw6761G1Mul {
Expand Down Expand Up @@ -327,7 +335,7 @@ pub struct Bw6761G2Add;

impl Bw6761G2Add {
// TODO::to be estimated
const GAS_COST: u64 = 0;
const GAS_COST: u64 = 180;
}

impl Precompile for Bw6761G2Add {
Expand Down Expand Up @@ -365,7 +373,7 @@ pub struct Bw6761G2Mul;

impl Bw6761G2Mul {
// TODO::to be estimated
const GAS_COST: u64 = 0;
const GAS_COST: u64 = 64_000;
}

impl Precompile for Bw6761G2Mul {
Expand Down Expand Up @@ -475,8 +483,8 @@ pub struct Bw6761Pairing;

impl Bw6761Pairing {
// TODO::to be estimated
const BASE_GAS: u64 = 0;
const PER_PAIR_GAS: u64 = 0;
const BASE_GAS: u64 = 120_000;
const PER_PAIR_GAS: u64 = 320_000;
}

impl Precompile for Bw6761Pairing {
Expand Down