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