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tidy up whitespace

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poma 2020-02-07 22:55:15 +08:00
parent 880e07bcf6
commit f85e53b925
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1 changed files with 6 additions and 14 deletions
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20
phase2/src/verifier_groth.sol
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@ -20,7 +20,6 @@
pragma solidity ^0.6.0; pragma solidity ^0.6.0;
library Pairing { library Pairing {
uint256 constant PRIME_Q = 21888242871839275222246405745257275088696311157297823662689037894645226208583; uint256 constant PRIME_Q = 21888242871839275222246405745257275088696311157297823662689037894645226208583;
struct G1Point { struct G1Point {
@ -35,10 +34,9 @@ library Pairing {
} }
/* /*
* @return The negation of p, i.e. p.plus(p.negate()) should be zero. * @return The negation of p, i.e. p.plus(p.negate()) should be zero.
*/ */
function negate(G1Point memory p) internal pure returns (G1Point memory) { function negate(G1Point memory p) internal pure returns (G1Point memory) {
// The prime q in the base field F_q for G1 // The prime q in the base field F_q for G1
if (p.X == 0 && p.Y == 0) { if (p.X == 0 && p.Y == 0) {
return G1Point(0, 0); return G1Point(0, 0);
@ -54,7 +52,6 @@ library Pairing {
G1Point memory p1, G1Point memory p1,
G1Point memory p2 G1Point memory p2
) internal view returns (G1Point memory r) { ) internal view returns (G1Point memory r) {
uint256[4] memory input; uint256[4] memory input;
input[0] = p1.X; input[0] = p1.X;
input[1] = p1.Y; input[1] = p1.Y;
@ -69,7 +66,7 @@ library Pairing {
switch success case 0 { invalid() } switch success case 0 { invalid() }
} }
require(success,"pairing-add-failed"); require(success, "pairing-add-failed");
} }
/* /*
@ -78,7 +75,6 @@ library Pairing {
* points p. * points p.
*/ */
function scalar_mul(G1Point memory p, uint256 s) internal view returns (G1Point memory r) { function scalar_mul(G1Point memory p, uint256 s) internal view returns (G1Point memory r) {
uint256[3] memory input; uint256[3] memory input;
input[0] = p.X; input[0] = p.X;
input[1] = p.Y; input[1] = p.Y;
@ -90,7 +86,7 @@ library Pairing {
// Use "invalid" to make gas estimation work // Use "invalid" to make gas estimation work
switch success case 0 { invalid() } switch success case 0 { invalid() }
} }
require (success,"pairing-mul-failed"); require(success, "pairing-mul-failed");
} }
/* @return The result of computing the pairing check /* @return The result of computing the pairing check
@ -108,7 +104,6 @@ library Pairing {
G1Point memory d1, G1Point memory d1,
G2Point memory d2 G2Point memory d2
) internal view returns (bool) { ) internal view returns (bool) {
G1Point[4] memory p1 = [a1, b1, c1, d1]; G1Point[4] memory p1 = [a1, b1, c1, d1];
G2Point[4] memory p2 = [a2, b2, c2, d2]; G2Point[4] memory p2 = [a2, b2, c2, d2];
@ -142,11 +137,9 @@ library Pairing {
} }
contract Verifier { contract Verifier {
using Pairing for *;
uint256 constant SNARK_SCALAR_FIELD = 21888242871839275222246405745257275088548364400416034343698204186575808495617; uint256 constant SNARK_SCALAR_FIELD = 21888242871839275222246405745257275088548364400416034343698204186575808495617;
uint256 constant PRIME_Q = 21888242871839275222246405745257275088696311157297823662689037894645226208583; uint256 constant PRIME_Q = 21888242871839275222246405745257275088696311157297823662689037894645226208583;
using Pairing for *;
struct VerifyingKey { struct VerifyingKey {
Pairing.G1Point alfa1; Pairing.G1Point alfa1;
@ -169,7 +162,7 @@ contract Verifier {
vk.delta2 = Pairing.G2Point(<%vk_delta2%>); vk.delta2 = Pairing.G2Point(<%vk_delta2%>);
<%vk_ic_pts%> <%vk_ic_pts%>
} }
/* /*
* @returns Whether the proof is valid given the hardcoded verifying key * @returns Whether the proof is valid given the hardcoded verifying key
* above and the public inputs * above and the public inputs
@ -178,7 +171,6 @@ contract Verifier {
bytes memory proof, bytes memory proof,
uint256[<%vk_input_length%>] memory input uint256[<%vk_input_length%>] memory input
) public view returns (bool r) { ) public view returns (bool r) {
uint256[8] memory p = abi.decode(proof, (uint256[8])); uint256[8] memory p = abi.decode(proof, (uint256[8]));
// Make sure that each element in the proof is less than the prime q // Make sure that each element in the proof is less than the prime q
@ -198,7 +190,7 @@ contract Verifier {
// Make sure that every input is less than the snark scalar field // Make sure that every input is less than the snark scalar field
for (uint256 i = 0; i < input.length; i++) { for (uint256 i = 0; i < input.length; i++) {
require(input[i] < SNARK_SCALAR_FIELD,"verifier-gte-snark-scalar-field"); require(input[i] < SNARK_SCALAR_FIELD, "verifier-gte-snark-scalar-field");
vk_x = Pairing.plus(vk_x, Pairing.scalar_mul(vk.IC[i + 1], input[i])); vk_x = Pairing.plus(vk_x, Pairing.scalar_mul(vk.IC[i + 1], input[i]));
} }