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Improve argument names
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@ -46,37 +46,33 @@ contract Groth16Verifier {
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}
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}
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/// The negation of p, i.e. p.addition(p.negate()) should be zero.
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function negate(G1Point memory p) internal pure returns (G1Point memory) {
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return G1Point(p.x, (_P - p.y) % _P);
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function negate(G1Point memory point) internal pure returns (G1Point memory) {
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return G1Point(point.x, (_P - point.y) % _P);
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}
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/// The sum of two points of G1
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function add(
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G1Point memory p1,
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G1Point memory p2
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G1Point memory point1,
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G1Point memory point2
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) internal view returns (bool success, G1Point memory sum) {
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uint[4] memory input;
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input[0] = p1.x;
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input[1] = p1.y;
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input[2] = p2.x;
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input[3] = p2.y;
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input[0] = point1.x;
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input[1] = point1.y;
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input[2] = point2.x;
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input[3] = point2.y;
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// solhint-disable-next-line no-inline-assembly
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assembly {
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success := staticcall(sub(gas(), 2000), 6, input, 128, sum, 64)
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}
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}
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/// The product of a point on G1 and a scalar, i.e.
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/// p == p.scalarMul(1) and p.addition(p) == p.scalarMul(2) for all points p.
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function multiply(
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G1Point memory p,
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uint s
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G1Point memory point,
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uint scalar
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) internal view returns (bool success, G1Point memory product) {
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uint[3] memory input;
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input[0] = p.x;
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input[1] = p.y;
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input[2] = s;
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input[0] = point.x;
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input[1] = point.y;
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input[2] = scalar;
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// solhint-disable-next-line no-inline-assembly
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assembly {
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success := staticcall(sub(gas(), 2000), 7, input, 96, product, 64)
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