Added basic examples

examples/sign/sign.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"log"
+
+	"github.com/bitcoinschema/go-aip"
+)
+
+func main() {
+	a, err := aip.Sign(
+		"54035dd4c7dda99ac473905a3d82f7864322b49bab1ff441cc457183b9bd8abd",
+		aip.BitcoinECDSA,
+		"example message",
+	)
+	if err != nil {
+		log.Fatalf("error occurred: %s", err.Error())
+	}
+	log.Printf("address: %s signature: %s", a.AlgorithmSigningComponent, a.Signature)
+}

examples/sign_op_return/sign_op_return.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"log"
+
+	"github.com/bitcoinschema/go-aip"
+)
+
+func main() {
+	out, a, err := aip.SignOpReturnData(
+		"54035dd4c7dda99ac473905a3d82f7864322b49bab1ff441cc457183b9bd8abd",
+		aip.BitcoinECDSA,
+		[][]byte{[]byte("some op_return data")},
+	)
+	if err != nil {
+		log.Fatalf("error occurred: %s", err.Error())
+	}
+	log.Printf("address: %s", a.AlgorithmSigningComponent)
+	log.Printf("signature: %s", a.Signature)
+	log.Printf("output: %s", out.GetLockingScriptHexString())
+}

examples/validate/validate.go

@@ -0,0 +1,23 @@
+package main
+
+import (
+	"log"
+
+	"github.com/bitcoinschema/go-aip"
+)
+
+func main() {
+	a, err := aip.Sign(
+		"54035dd4c7dda99ac473905a3d82f7864322b49bab1ff441cc457183b9bd8abd",
+		aip.BitcoinECDSA,
+		"example message",
+	)
+	if err != nil {
+		log.Fatalf("error occurred: %s", err.Error())
+	}
+	if a.Validate() {
+		log.Printf("signature is valid: %s", a.Signature)
+	} else {
+		log.Fatal("signature failed validiation")
+	}
+}