Fixed payable array (#111)

* Fixed payable array

* Linting

Author: maxsam4

src/printer.js

@@ -387,13 +387,22 @@ function genericPrint(path, options, print) {
         ].filter(element => element)
       );
     }
-    case 'ArrayTypeName':
+    case 'ArrayTypeName': {
+      let stateMutability = '';
+      if (
+        node.baseTypeName.name === 'address' &&
+        node.baseTypeName.stateMutability
+      ) {
+        stateMutability = concat([' ', node.baseTypeName.stateMutability]);
+      }
       return concat([
         path.call(print, 'baseTypeName'),
+        stateMutability,
         '[',
         node.length ? path.call(print, 'length') : '',
         ']'
       ]);
+    }
     case 'Conditional':
       return join(' ', [
         path.call(print, 'condition'),

tests/AddressPayable/AddressPayable.sol

@@ -1,7 +1,8 @@
 pragma solidity ^0.5.2;
 
 contract AddressPayable {
-  function sendSomeEth(address payable to) public payable {
+  address payable[] hello;
+  function sendSomeEth(address payable to, address payable[] memory world) public payable {
     address payable target = to;
     target.transfer(msg.value);
   }

tests/AddressPayable/__snapshots__/jsfmt.spec.js.snap

@@ -4,7 +4,8 @@ exports[`AddressPayable.sol 1`] = `
 pragma solidity ^0.5.2;
 
 contract AddressPayable {
-  function sendSomeEth(address payable to) public payable {
+  address payable[] hello;
+  function sendSomeEth(address payable to, address payable[] memory world) public payable {
     address payable target = to;
     target.transfer(msg.value);
   }
@@ -13,7 +14,11 @@ contract AddressPayable {
 pragma solidity ^0.5.2;
 
 contract AddressPayable {
-  function sendSomeEth(address payable to) public payable {
+  address payable[] hello;
+  function sendSomeEth(address payable to, address payable[] memory world)
+    public
+    payable
+  {
     address payable target = to;
     target.transfer(msg.value);
   }