starting WASM wrapper

wasm/shamirsecretsharing-wasm-wrapper.go

@@ -0,0 +1,49 @@
+package main
+
+import (
+	"math/big"
+	"syscall/js"
+
+	"github.com/arnaucube/shamirsecretsharing"
+)
+
+func main() {
+	c := make(chan struct{}, 0)
+
+	println("WASM Go Initialized")
+	// register functions
+	registerCallbacks()
+	<-c
+}
+
+func registerCallbacks() {
+	js.Global().Set("createShares", js.ValueOf(createShares))
+	js.Global().Set("lagrangeInterpolation", js.ValueOf(lagrangeInterpolation))
+}
+
+func createShares(i []js.Value) {
+	nNeededShares, ok := new(big.Int).SetString(i[0].String(), 10)
+	if !ok {
+		println("error parsing parameter in position 0")
+	}
+	nShares, ok := new(big.Int).SetString(i[1].String(), 10)
+	if !ok {
+		println("error parsing parameter in position 1")
+	}
+	p, ok := new(big.Int).SetString(i[2].String(), 10)
+	if !ok {
+		println("error parsing parameter in position 2")
+	}
+	k, ok := new(big.Int).SetString(i[3].String(), 10)
+	if !ok {
+		println("error parsing parameter in position 3")
+	}
+	shares, err := shamirsecretsharing.Create(nNeededShares, nShares, p, k)
+	if err != nil {
+		println("error generating the shares")
+	}
+	println(shares)
+}
+
+func lagrangeInterpolation(i []js.Value) {
+}