@tokamak-zk-evm/synthesizer/dist/cjs/precompiles/bls12_381/constants.js

Tokamak zk-EVM Synthesizer - Processes Ethereum transactions into wire maps for Tokamak zk-SNARK proof generation

import { concatBytes, hexToBytes } from "@synthesizer-libs/util";
// base field modulus as described in the EIP
export const BLS_FIELD_MODULUS = BigInt('0x1a0111ea397fe69a4b1ba7b6434bacd764774b84f38512bf6730d2a0f6b0f6241eabfffeb153ffffb9feffffffffaaab');
export const BLS_G1_POINT_BYTE_LENGTH = 128;
export const BLS_G2_POINT_BYTE_LENGTH = 256;
export const BLS_G1_INFINITY_POINT_BYTES = new Uint8Array(BLS_G1_POINT_BYTE_LENGTH);
export const BLS_G2_INFINITY_POINT_BYTES = new Uint8Array(BLS_G2_POINT_BYTE_LENGTH);
export const BLS_ZERO_BUFFER = new Uint8Array(32);
export const BLS_ONE_BUFFER = concatBytes(new Uint8Array(31), hexToBytes('0x01'));
// gas discount pairs taken from EIP-2537 `bls12381MultiExpGasDiscount` parameter
export const BLS_GAS_DISCOUNT_PAIRS = [
    [1, 1200],
    [2, 888],
    [3, 764],
    [4, 641],
    [5, 594],
    [6, 547],
    [7, 500],
    [8, 453],
    [9, 438],
    [10, 423],
    [11, 408],
    [12, 394],
    [13, 379],
    [14, 364],
    [15, 349],
    [16, 334],
    [17, 330],
    [18, 326],
    [19, 322],
    [20, 318],
    [21, 314],
    [22, 310],
    [23, 306],
    [24, 302],
    [25, 298],
    [26, 294],
    [27, 289],
    [28, 285],
    [29, 281],
    [30, 277],
    [31, 273],
    [32, 269],
    [33, 268],
    [34, 266],
    [35, 265],
    [36, 263],
    [37, 262],
    [38, 260],
    [39, 259],
    [40, 257],
    [41, 256],
    [42, 254],
    [43, 253],
    [44, 251],
    [45, 250],
    [46, 248],
    [47, 247],
    [48, 245],
    [49, 244],
    [50, 242],
    [51, 241],
    [52, 239],
    [53, 238],
    [54, 236],
    [55, 235],
    [56, 233],
    [57, 232],
    [58, 231],
    [59, 229],
    [60, 228],
    [61, 226],
    [62, 225],
    [63, 223],
    [64, 222],
    [65, 221],
    [66, 220],
    [67, 219],
    [68, 219],
    [69, 218],
    [70, 217],
    [71, 216],
    [72, 216],
    [73, 215],
    [74, 214],
    [75, 213],
    [76, 213],
    [77, 212],
    [78, 211],
    [79, 211],
    [80, 210],
    [81, 209],
    [82, 208],
    [83, 208],
    [84, 207],
    [85, 206],
    [86, 205],
    [87, 205],
    [88, 204],
    [89, 203],
    [90, 202],
    [91, 202],
    [92, 201],
    [93, 200],
    [94, 199],
    [95, 199],
    [96, 198],
    [97, 197],
    [98, 196],
    [99, 196],
    [100, 195],
    [101, 194],
    [102, 193],
    [103, 193],
    [104, 192],
    [105, 191],
    [106, 191],
    [107, 190],
    [108, 189],
    [109, 188],
    [110, 188],
    [111, 187],
    [112, 186],
    [113, 185],
    [114, 185],
    [115, 184],
    [116, 183],
    [117, 182],
    [118, 182],
    [119, 181],
    [120, 180],
    [121, 179],
    [122, 179],
    [123, 178],
    [124, 177],
    [125, 176],
    [126, 176],
    [127, 175],
    [128, 174],
];
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