Official Go implementation of the Ethereum protocol

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Felix Lange 5f7826270c all: unify big.Int zero checks, use common/math in more places (#3716) ... * common/math: optimize PaddedBigBytes, use it more name old time/op new time/op delta PaddedBigBytes-8 71.1ns ± 5% 46.1ns ± 1% -35.15% (p=0.000 n=20+19) name old alloc/op new alloc/op delta PaddedBigBytes-8 48.0B ± 0% 32.0B ± 0% -33.33% (p=0.000 n=20+20) * all: unify big.Int zero checks Various checks were in use. This commit replaces them all with Int.Sign, which is cheaper and less code. eg templates: func before(x *big.Int) bool { return x.BitLen() == 0 } func after(x *big.Int) bool { return x.Sign() == 0 } func before(x *big.Int) bool { return x.BitLen() > 0 } func after(x *big.Int) bool { return x.Sign() != 0 } func before(x *big.Int) int { return x.Cmp(common.Big0) } func after(x *big.Int) int { return x.Sign() } * common/math, crypto/secp256k1: make ReadBits public in package math		8 years ago
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ecies	crypto: add btcec fallback for sign/recover without cgo (#3680)	8 years ago
randentropy	crypto: Remove dead code	9 years ago
secp256k1	all: unify big.Int zero checks, use common/math in more places (#3716)	8 years ago
sha3	all: gofmt -w -s	8 years ago
crypto.go	common: move big integer math to common/math (#3699)	8 years ago
crypto_test.go	crypto: add btcec fallback for sign/recover without cgo (#3680)	8 years ago
signature_cgo.go	all: unify big.Int zero checks, use common/math in more places (#3716)	8 years ago
signature_nocgo.go	crypto: add btcec fallback for sign/recover without cgo (#3680)	8 years ago
signature_test.go	crypto: add btcec fallback for sign/recover without cgo (#3680)	8 years ago