Merge pull request #1 from 0xC0DE4C0FFEE/solcv050

Breaking changes in Solidity v0.5.0 (using Truffle v5-beta-2)

contracts/Buffer.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.23;
+pragma solidity >0.4.18;
 
 /**
 * @dev A library for working with mutable byte buffers in Solidity.
@@ -46,7 +46,7 @@ library Buffer {
     * @param b The bytes object to initialize the buffer with.
     * @return A new buffer.
     */
-    function fromBytes(bytes b) internal pure returns(buffer memory) {
+    function fromBytes(bytes memory b) internal pure returns(buffer memory) {
         buffer memory buf;
         buf.buf = b;
         buf.capacity = b.length;
@@ -88,7 +88,7 @@ library Buffer {
     * @param len The number of bytes to copy.
     * @return The original buffer, for chaining.
     */
-    function write(buffer memory buf, uint off, bytes data, uint len) internal pure returns(buffer memory) {
+    function write(buffer memory buf, uint off, bytes memory data, uint len) internal pure returns(buffer memory) {
         require(len <= data.length);
 
         if (off + len + buf.buf.length > buf.capacity) {
@@ -139,7 +139,7 @@ library Buffer {
     * @param len The number of bytes to copy.
     * @return The original buffer, for chaining.
     */
-    function append(buffer memory buf, bytes data, uint len) internal pure returns (buffer memory) {
+    function append(buffer memory buf, bytes memory data, uint len) internal pure returns (buffer memory) {
         return write(buf, buf.buf.length, data, len);
     }
 
@@ -150,7 +150,7 @@ library Buffer {
     * @param data The data to append.
     * @return The original buffer, for chaining.
     */
-    function append(buffer memory buf, bytes data) internal pure returns (buffer memory) {
+    function append(buffer memory buf, bytes memory data) internal pure returns (buffer memory) {
         return write(buf, buf.buf.length, data, data.length);
     }
 

contracts/Migrations.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.23;
+pragma solidity >0.4.21;
 
 contract Migrations {
     address public owner;

test/TestBuffer.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.4.23;
+pragma solidity >0.4.18;
 
 import "truffle/Assert.sol";
 import "./../contracts/Buffer.sol";

truffle.js

@@ -16,15 +16,15 @@ module.exports = {
   },
   mocha: {
     reporter: 'eth-gas-reporter',
-    reporterOptions : {
+    reporterOptions: {
       currency: 'USD',
       gasPrice: 1
     }
   },
-/*  solc: {
+  solc: {
     optimizer: {
       enabled: true,
       runs: 200
     }
-  }*/
+  }
 };