Added utils

Author: 0xKrishna

utils/utils.go

@@ -0,0 +1,42 @@
+package utils
+
+import (
+	"encoding/binary"
+
+	"github.com/maticnetwork/polyproto/heimdall"
+)
+
+func ConvertH160toAddress(h160 *heimdall.H160) [20]byte {
+	var addr [20]byte
+
+	binary.BigEndian.PutUint64(addr[0:], h160.Hi.Hi)
+	binary.BigEndian.PutUint64(addr[8:], h160.Hi.Lo)
+	binary.BigEndian.PutUint32(addr[16:], h160.Lo)
+
+	return addr
+}
+
+func ConvertAddressToH160(addr [20]byte) *heimdall.H160 {
+	return &heimdall.H160{
+		Lo: binary.BigEndian.Uint32(addr[16:]),
+		Hi: &heimdall.H128{Lo: binary.BigEndian.Uint64(addr[8:]), Hi: binary.BigEndian.Uint64(addr[0:])},
+	}
+}
+
+func ConvertH256ToHash(h256 *heimdall.H256) [32]byte {
+	var hash [32]byte
+
+	binary.BigEndian.PutUint64(hash[0:], h256.Hi.Hi)
+	binary.BigEndian.PutUint64(hash[8:], h256.Hi.Lo)
+	binary.BigEndian.PutUint64(hash[16:], h256.Lo.Hi)
+	binary.BigEndian.PutUint64(hash[24:], h256.Lo.Lo)
+
+	return hash
+}
+
+func ConvertHashToH256(hash [32]byte) *heimdall.H256 {
+	return &heimdall.H256{
+		Lo: &heimdall.H128{Lo: binary.BigEndian.Uint64(hash[24:]), Hi: binary.BigEndian.Uint64(hash[16:])},
+		Hi: &heimdall.H128{Lo: binary.BigEndian.Uint64(hash[8:]), Hi: binary.BigEndian.Uint64(hash[0:])},
+	}
+}