lib/serializer/src/convert.js

import ByteBuffer from "bytebuffer";
const Buffer = require("safe-buffer").Buffer;

export default function(type) {
    return {
        fromHex(hex) {
            var b = ByteBuffer.fromHex(hex, ByteBuffer.LITTLE_ENDIAN);
            return type.fromByteBuffer(b);
        },

        toHex(object) {
            var b = toByteBuffer(type, object);
            return b.toHex();
        },

        fromBuffer(buffer) {
            var b = ByteBuffer.fromBinary(
                buffer.toString(),
                ByteBuffer.LITTLE_ENDIAN
            );
            return type.fromByteBuffer(b);
        },

        toBuffer(object) {
            return Buffer.from(toByteBuffer(type, object).toBinary(), "binary");
        },

        fromBinary(string) {
            var b = ByteBuffer.fromBinary(string, ByteBuffer.LITTLE_ENDIAN);
            return type.fromByteBuffer(b);
        },

        toBinary(object) {
            return toByteBuffer(type, object).toBinary();
        }
    };
}

var toByteBuffer = function(type, object) {
    var b = new ByteBuffer(
        ByteBuffer.DEFAULT_CAPACITY,
        ByteBuffer.LITTLE_ENDIAN
    );
    type.appendByteBuffer(b, object);
    return b.copy(0, b.offset);
};