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finalize

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This commit is contained in:
NikVolf 2017-03-27 21:34:02 +03:00
parent 9271dd0cc7
commit d34aec29ed
2 changed files with 14 additions and 9 deletions
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1
ethcore/res/ethereum/foundation.json
View File

@ -192,6 +192,7 @@
"0000000000000000000000000000000000000005": { "builtin": { "name": "modexp", "activate_at": "0x7fffffffffffff", "pricing": { "modexp": { "divisor": 20 } } } }, "0000000000000000000000000000000000000005": { "builtin": { "name": "modexp", "activate_at": "0x7fffffffffffff", "pricing": { "modexp": { "divisor": 20 } } } },
"0000000000000000000000000000000000000006": { "builtin": { "name": "bn128_add", "activate_at": "0x7fffffffffffff", "pricing": { "linear": { "base": 999999, "word": 0 } } } }, "0000000000000000000000000000000000000006": { "builtin": { "name": "bn128_add", "activate_at": "0x7fffffffffffff", "pricing": { "linear": { "base": 999999, "word": 0 } } } },
"0000000000000000000000000000000000000007": { "builtin": { "name": "bn128_mul", "activate_at": "0x7fffffffffffff", "pricing": { "linear": { "base": 999999, "word": 0 } } } }, "0000000000000000000000000000000000000007": { "builtin": { "name": "bn128_mul", "activate_at": "0x7fffffffffffff", "pricing": { "linear": { "base": 999999, "word": 0 } } } },
"0000000000000000000000000000000000000008": { "builtin": { "name": "bn128_pairing", "activate_at": "0x7fffffffffffff", "pricing": { "linear": { "base": 999999, "word": 0 } } } },
"3282791d6fd713f1e94f4bfd565eaa78b3a0599d": { "3282791d6fd713f1e94f4bfd565eaa78b3a0599d": {
"balance": "1337000000000000000000" "balance": "1337000000000000000000"
}, },

22
ethcore/src/builtin.rs
View File

@ -158,6 +158,7 @@ fn ethereum_builtin(name: &str) -> Box<Impl> {
"modexp" => Box::new(ModexpImpl) as Box<Impl>, "modexp" => Box::new(ModexpImpl) as Box<Impl>,
"bn128_add" => Box::new(Bn128AddImpl) as Box<Impl>, "bn128_add" => Box::new(Bn128AddImpl) as Box<Impl>,
"bn128_mul" => Box::new(Bn128MulImpl) as Box<Impl>, "bn128_mul" => Box::new(Bn128MulImpl) as Box<Impl>,
"bn128_pairing" => Box::new(Bn128ParingImpl) as Box<Impl>,
_ => panic!("invalid builtin name: {}", name), _ => panic!("invalid builtin name: {}", name),
} }
} }
@ -409,19 +410,18 @@ mod bn128_gen {
lazy_static! { lazy_static! {
pub static ref P2: G2 = G2::from(AffineG2::new( pub static ref P2: G2 = G2::from(AffineG2::new(
Fq2::new( Fq2::new(
Fq::from_str("1").expect("1 is a valid field element"), Fq::from_str("10857046999023057135944570762232829481370756359578518086990519993285655852781").expect("1 is a valid field element"),
Fq::from_str("2").expect("2 is a valid field element"), Fq::from_str("11559732032986387107991004021392285783925812861821192530917403151452391805634").expect("2 is a valid field element"),
), ),
Fq2::new( Fq2::new(
Fq::from_str("1").expect("1 is a valid field element"), Fq::from_str("8495653923123431417604973247489272438418190587263600148770280649306958101930").expect("1 is a valid field element"),
Fq::from_str("2").expect("2 is a valid field element"), Fq::from_str("4082367875863433681332203403145435568316851327593401208105741076214120093531").expect("2 is a valid field element"),
), ),
).expect("Generator P2(i+2b, i+2b) is a valid curve point")); ).expect("Generator P2(10857046999023057135944570762232829481370756359578518086990519993285655852781 + 11559732032986387107991004021392285783925812861821192530917403151452391805634i, 8495653923123431417604973247489272438418190587263600148770280649306958101930 + 4082367875863433681332203403145435568316851327593401208105741076214120093531i) is a valid curve point"));
} }
lazy_static! { lazy_static! {
pub static ref P1xP2: Gt = pairing(P1.clone(), P2.clone()); pub static ref P1_P2_PAIRING: Gt = pairing(P1.clone(), P2.clone());
} }
} }
@ -481,19 +481,23 @@ impl Impl for Bn128ParingImpl {
}; };
for _ in 1..elements { for _ in 1..elements {
let (a, b) = drain.next() let (a, b) = drain.next()
.expect("idx-th element should exist, because we do next() no more than elements-1 times; qed"); .expect("this element should exist, because we do next() no more than elements-1 times; qed");
mul = mul * pairing(a, b); mul = mul * pairing(a, b);
} }
mul mul
}; };
if mul == *bn128_gen::P1xP2 { if mul == *bn128_gen::P1_P2_PAIRING {
U256::one() U256::one()
} else { } else {
U256::zero() U256::zero()
} }
}; };
let mut buf = [0u8; 32];
ret_val.to_big_endian(&mut buf);
output.write(0, &buf);
Ok(()) Ok(())
} }
} }