59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
const fs = require("fs")
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const BASE_PATH = __dirname + "/networks"
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const PROOF_FILE_NAME = "example-proof/proof.json"
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const PUBLIC_INPUT_FILE_NAME = "example-proof/public.json"
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const ZKEY_HASH_FILE_NAME = "zkey_hash.json"
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const VERIFICATION_KEY_FILE_NAME =
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"proof_main_verification_key.json"
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function G1ToStruct(point) {
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return {
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x: point[0],
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y: point[1],
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}
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}
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function G2ToStruct(point) {
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return {
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x: [point[0][1], point[0][0]],
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y: [point[1][1], point[1][0]],
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}
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}
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function loadProof(name) {
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const path = `${BASE_PATH}/${name}/${PROOF_FILE_NAME}`
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const proof = JSON.parse(fs.readFileSync(path))
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return {
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a: G1ToStruct(proof["pi_a"]),
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b: G2ToStruct(proof["pi_b"]),
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c: G1ToStruct(proof["pi_c"]),
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}
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}
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function loadPublicInput(name) {
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const path = `${BASE_PATH}/${name}/${PUBLIC_INPUT_FILE_NAME}`
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const input = JSON.parse(fs.readFileSync(path))
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return input
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}
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function loadZkeyHash(name) {
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const path = `${BASE_PATH}/${name}/${ZKEY_HASH_FILE_NAME}`
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const input = JSON.parse(fs.readFileSync(path))
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return input
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}
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function loadVerificationKey(name) {
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const path = `${BASE_PATH}/${name}/${VERIFICATION_KEY_FILE_NAME}`
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const key = JSON.parse(fs.readFileSync(path))
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return {
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alpha1: G1ToStruct(key["vk_alpha_1"]),
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beta2: G2ToStruct(key["vk_beta_2"]),
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gamma2: G2ToStruct(key["vk_gamma_2"]),
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delta2: G2ToStruct(key["vk_delta_2"]),
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ic: key["IC"].map(G1ToStruct),
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}
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}
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module.exports = { loadProof, loadPublicInput, loadVerificationKey, loadZkeyHash }
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