Kevacoin stratum server for solo-mining
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package cnutil
// #cgo CFLAGS: -std=c11 -D_GNU_SOURCE
// #cgo LDFLAGS: -L${SRCDIR}/../build/cnutil -Wl,-rpath=\$ORIGIN/cnutil -lcnutil -Wl,-rpath ${SRCDIR} -lstdc++
// #include <stdlib.h>
// #include "src/cnutil.h"
import "C"
import (
"encoding/hex"
"log"
"unsafe"
)
func ConvertBlob(blob []byte) []byte {
output := make([]byte, 76)
out := (*C.char)(unsafe.Pointer(&output[0]))
input := (*C.char)(unsafe.Pointer(&blob[0]))
size := (C.uint32_t)(len(blob))
C.convert_blob(input, size, out)
return output
}
func ValidateAddress(addr string) bool {
input := C.CString(addr)
defer C.free(unsafe.Pointer(input))
size := (C.uint32_t)(len(addr))
result := C.validate_address(input, size)
return (bool)(result)
}
func Hash(blob []byte, fast bool, height int, seedHash string) []byte {
output := make([]byte, 32)
if fast {
C.cryptonight_fast_hash((*C.char)(unsafe.Pointer(&blob[0])), (*C.char)(unsafe.Pointer(&output[0])), (C.uint32_t)(len(blob)))
} else if len(seedHash) != 0 {
// rx/keva
seedHeight := C.rx_seedheight((C.uint64_t)(height))
cnHash, err := hex.DecodeString(seedHash)
if err != nil {
log.Printf("Hash, failed to DecodeString: %v\n", err)
return output
}
C.rx_slow_hash((C.uint64_t)(height), seedHeight, (*C.char)(unsafe.Pointer(&cnHash[0])),
(*C.char)(unsafe.Pointer(&blob[0])), (C.uint64_t)(len(blob)), (*C.char)(unsafe.Pointer(&output[0])), 0, 0)
} else {
// cn/r
C.cryptonight_hash((*C.char)(unsafe.Pointer(&blob[0])), (*C.char)(unsafe.Pointer(&output[0])), (C.uint32_t)(len(blob)), (C.int)(height))
}
return output
}
func FastHash(blob []byte) []byte {
return Hash(append([]byte{byte(len(blob))}, blob...), true, 0, "")
}