Accelerate secp256k1 outside EVM

[doutv]

pprof 50000 Web3 Pay UOP:
secp256k1 recover public key takes 27% time, which is abnormal.

[doutv]

It use a library forked from go-ethereum/crypto/secp256k1: https://pkg.go.dev/github.com/ledgerwatch/[email protected]

I compare the diff here: doutv/erigon-secp256k1#1

[doutv]

Benchmark go-ethereum

1 EcRecover takes 58 microseconds = 0.058 ms

go-ethereum/crypto/secp256k1/secp256_test.go at master · ethereum/go-ethereum

Running tool: /opt/homebrew/bin/go test -benchmem -run=^$ -bench ^BenchmarkRecover$ [github.com/ethereum/go-ethereum/crypto/secp256k1](http://github.com/ethereum/go-ethereum/crypto/secp256k1)

goos: darwin
goarch: arm64
pkg: [github.com/ethereum/go-ethereum/crypto/secp256k1](http://github.com/ethereum/go-ethereum/crypto/secp256k1)
BenchmarkRecover-10    	   21537	     58043 ns/op	      80 B/op	       1 allocs/op
PASS
ok  	[github.com/ethereum/go-ethereum/crypto/secp256k1](http://github.com/ethereum/go-ethereum/crypto/secp256k1)	2.473s