Removed the weird WASM bindings, added a wait that prevents spamming of the CPU
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parent
8f9af6dce3
commit
2e04713865
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@ -1,66 +0,0 @@
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package library
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import (
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"bytes"
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"strconv"
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"strings"
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"time"
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"crypto/rand"
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"encoding/binary"
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"encoding/hex"
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"golang.org/x/crypto/argon2"
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)
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func PoW(difficulty uint64, resource string) (string, error) {
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for {
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initialTime := time.Now().Unix()
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var timestamp [8]byte
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binary.LittleEndian.PutUint64(timestamp[:], uint64(initialTime))
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var nonce [16]byte
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_, err := rand.Read(nonce[:])
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if err != nil {
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return "", err
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}
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output := hex.EncodeToString(argon2.IDKey(nonce[:], bytes.Join([][]byte{timestamp[:], []byte(resource)}, []byte{}), 1, 64*1024, 4, 32))
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var difficultyString strings.Builder
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for range difficulty {
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difficultyString.WriteString("0")
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}
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if strings.HasPrefix(output, difficultyString.String()) {
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return strconv.FormatUint(difficulty, 10) + ":" + strconv.FormatInt(initialTime, 10) + ":" + hex.EncodeToString(nonce[:]) + ":" + resource + ":", nil
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}
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}
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}
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func VerifyPoW(pow string) bool {
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powSplit := strings.Split(pow, ":")
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difficulty, err := strconv.ParseUint(powSplit[0], 10, 64)
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if err != nil {
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return false
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}
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timestamp, err := strconv.ParseInt(powSplit[1], 10, 64)
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if err != nil {
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return false
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}
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timestampBytes := make([]byte, 8)
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binary.LittleEndian.PutUint64(timestampBytes, uint64(timestamp))
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nonce, err := hex.DecodeString(powSplit[2])
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if err != nil {
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return false
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}
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resource := powSplit[3]
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output := hex.EncodeToString(argon2.IDKey(nonce, bytes.Join([][]byte{timestampBytes, []byte(resource)}, []byte{}), 1, 64*1024, 4, 32))
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var difficultyString strings.Builder
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for range difficulty {
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difficultyString.WriteString("0")
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}
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if strings.HasPrefix(output, difficultyString.String()) {
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return true
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} else {
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return false
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}
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}
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80
main.go
80
main.go
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@ -1,27 +1,71 @@
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package main
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package ailur_pow
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import (
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"git.ailur.dev/ailur/pow-argon2/library"
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"bytes"
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"strconv"
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"strings"
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"time"
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"fmt"
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"syscall/js"
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"crypto/rand"
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"encoding/binary"
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"encoding/hex"
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"golang.org/x/crypto/argon2"
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)
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func main() {
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fmt.Println("Proof of work module online")
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resource := js.Global().Get("resource").String()
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difficulty := js.Global().Get("difficulty").Int()
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fmt.Println("Beginning PoW with difficulty", difficulty, "and resource", resource)
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result, err := library.PoW(uint64(difficulty), resource)
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func PoW(difficulty uint64, resource string, wait int64) (string, error) {
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for {
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initialTime := time.Now().Unix()
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var timestamp [8]byte
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binary.LittleEndian.PutUint64(timestamp[:], uint64(initialTime))
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var nonce [16]byte
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_, err := rand.Read(nonce[:])
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if err != nil {
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fmt.Println("Error:", err)
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js.Global().Set("return", js.ValueOf(err.Error()))
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js.Global().Set("returnCode", js.ValueOf(1))
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js.Global().Call("WASMComplete")
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return "", err
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}
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output := hex.EncodeToString(argon2.IDKey(nonce[:], bytes.Join([][]byte{timestamp[:], []byte(resource)}, []byte{}), 1, 64*1024, 4, 32))
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var difficultyString strings.Builder
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for range difficulty {
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difficultyString.WriteString("0")
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}
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if strings.HasPrefix(output, difficultyString.String()) {
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return strconv.FormatUint(difficulty, 10) + ":" + strconv.FormatInt(initialTime, 10) + ":" + hex.EncodeToString(nonce[:]) + ":" + resource + ":", nil
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}
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if wait > 0 {
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// Wait for a while before trying again
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time.Sleep(time.Duration(wait) * time.Millisecond)
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}
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}
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}
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func VerifyPoW(pow string) bool {
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powSplit := strings.Split(pow, ":")
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difficulty, err := strconv.ParseUint(powSplit[0], 10, 64)
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if err != nil {
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return false
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}
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timestamp, err := strconv.ParseInt(powSplit[1], 10, 64)
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if err != nil {
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return false
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}
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timestampBytes := make([]byte, 8)
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binary.LittleEndian.PutUint64(timestampBytes, uint64(timestamp))
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nonce, err := hex.DecodeString(powSplit[2])
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if err != nil {
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return false
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}
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resource := powSplit[3]
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output := hex.EncodeToString(argon2.IDKey(nonce, bytes.Join([][]byte{timestampBytes, []byte(resource)}, []byte{}), 1, 64*1024, 4, 32))
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var difficultyString strings.Builder
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for range difficulty {
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difficultyString.WriteString("0")
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}
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if strings.HasPrefix(output, difficultyString.String()) {
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return true
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} else {
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fmt.Println("Result:", result)
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js.Global().Set("return", js.ValueOf(result))
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js.Global().Set("returnCode", js.ValueOf(0))
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js.Global().Call("WASMComplete")
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return false
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}
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}
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