Revert Solidity version bump. (#1729)

Author: nventuro

CHANGELOG.md

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title Roles

contracts/access/Roles.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Roles.sol";
 

contracts/access/roles/CapperRole.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Roles.sol";
 

contracts/access/roles/MinterRole.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Roles.sol";
 

contracts/access/roles/PauserRole.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Roles.sol";
 

contracts/access/roles/SignerRole.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Roles.sol";
 

contracts/access/roles/WhitelistAdminRole.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Roles.sol";
 import "./WhitelistAdminRole.sol";

contracts/access/roles/WhitelistedRole.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/IERC20.sol";
 import "../math/SafeMath.sol";

contracts/crowdsale/Crowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../../math/SafeMath.sol";
 import "../validation/TimedCrowdsale.sol";

contracts/crowdsale/distribution/FinalizableCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../validation/TimedCrowdsale.sol";
 import "../../math/SafeMath.sol";

contracts/crowdsale/distribution/PostDeliveryCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../../math/SafeMath.sol";
 import "./FinalizableCrowdsale.sol";

contracts/crowdsale/distribution/RefundableCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "./RefundableCrowdsale.sol";
 import "./PostDeliveryCrowdsale.sol";

contracts/crowdsale/distribution/RefundablePostDeliveryCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Crowdsale.sol";
 import "../../token/ERC20/IERC20.sol";

contracts/crowdsale/emission/AllowanceCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Crowdsale.sol";
 import "../../token/ERC20/ERC20Mintable.sol";

contracts/crowdsale/emission/MintedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../validation/TimedCrowdsale.sol";
 import "../../math/SafeMath.sol";

contracts/crowdsale/price/IncreasingPriceCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../../math/SafeMath.sol";
 import "../Crowdsale.sol";

contracts/crowdsale/validation/CappedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../../math/SafeMath.sol";
 import "../Crowdsale.sol";

contracts/crowdsale/validation/IndividuallyCappedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../Crowdsale.sol";
 import "../../lifecycle/Pausable.sol";

contracts/crowdsale/validation/PausableCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../../math/SafeMath.sol";
 import "../Crowdsale.sol";

contracts/crowdsale/validation/TimedCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 import "../Crowdsale.sol";
 import "../../access/roles/WhitelistedRole.sol";
 

contracts/crowdsale/validation/WhitelistCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title Elliptic curve signature operations

contracts/cryptography/ECDSA.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title MerkleProof

contracts/cryptography/MerkleProof.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../math/SafeMath.sol";
 

contracts/drafts/Counters.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../../token/ERC20/IERC20.sol";
 

contracts/drafts/ERC1046/ERC20Metadata.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "./IERC1820Implementer.sol";
 

contracts/drafts/ERC1820Implementer.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/IERC20.sol";
 import "../token/ERC20/ERC20Mintable.sol";

contracts/drafts/ERC20Migrator.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../math/SafeMath.sol";
 import "../utils/Arrays.sol";

contracts/drafts/ERC20Snapshot.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "./IERC777.sol";
 import "./IERC777Recipient.sol";

contracts/drafts/ERC777/ERC777.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title ERC777 token interface

contracts/drafts/ERC777/IERC777.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title ERC777 token recipient interface

contracts/drafts/ERC777/IERC777Recipient.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title ERC777 token sender interface

contracts/drafts/ERC777/IERC777Sender.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title IERC1820Implementer

contracts/drafts/IERC1820Implementer.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title ERC1820 Pseudo-introspection Registry Contract

contracts/drafts/IERC1820Registry.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../access/roles/SignerRole.sol";
 import "../cryptography/ECDSA.sol";

contracts/drafts/SignatureBouncer.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title SignedSafeMath

contracts/drafts/SignedSafeMath.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/SafeERC20.sol";
 import "../ownership/Ownable.sol";

contracts/drafts/TokenVesting.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../crowdsale/validation/CappedCrowdsale.sol";
 import "../crowdsale/distribution/RefundableCrowdsale.sol";

contracts/examples/SampleCrowdsale.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/ERC20.sol";
 import "../token/ERC20/ERC20Detailed.sol";

contracts/examples/SimpleToken.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "./IERC165.sol";
 

contracts/introspection/ERC165.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title ERC165Checker

contracts/introspection/ERC165Checker.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title IERC165

contracts/introspection/IERC165.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../access/roles/PauserRole.sol";
 

contracts/lifecycle/Pausable.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title Math

contracts/math/Math.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 /**
  * @title SafeMath

contracts/math/SafeMath.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../utils/Address.sol";
 

contracts/mocks/AddressImpl.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/IERC20.sol";
 import "../crowdsale/emission/AllowanceCrowdsale.sol";

contracts/mocks/AllowanceCrowdsaleImpl.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../utils/Arrays.sol";
 

contracts/mocks/ArraysImpl.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/IERC20.sol";
 import "../crowdsale/validation/CappedCrowdsale.sol";

contracts/mocks/CappedCrowdsaleImpl.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../access/roles/CapperRole.sol";
 

contracts/mocks/CapperRoleMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../payment/escrow/ConditionalEscrow.sol";
 

contracts/mocks/ConditionalEscrowMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../drafts/Counters.sol";
 

contracts/mocks/CountersImpl.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../crowdsale/Crowdsale.sol";
 

contracts/mocks/CrowdsaleMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../cryptography/ECDSA.sol";
 

contracts/mocks/ECDSAMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../../introspection/IERC165.sol";
 

contracts/mocks/ERC165/ERC165InterfacesSupported.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 contract ERC165NotSupported {
     // solhint-disable-previous-line no-empty-blocks

contracts/mocks/ERC165/ERC165NotSupported.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../introspection/ERC165Checker.sol";
 

contracts/mocks/ERC165CheckerMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../introspection/ERC165.sol";
 

contracts/mocks/ERC165Mock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../drafts/ERC1820Implementer.sol";
 

contracts/mocks/ERC1820ImplementerMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/ERC20Burnable.sol";
 

contracts/mocks/ERC20BurnableMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/ERC20.sol";
 import "../token/ERC20/ERC20Detailed.sol";

contracts/mocks/ERC20DetailedMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/ERC20.sol";
 import "../drafts/ERC1046/ERC20Metadata.sol";

contracts/mocks/ERC20MetadataMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/ERC20Mintable.sol";
 import "./MinterRoleMock.sol";

contracts/mocks/ERC20MintableMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/ERC20.sol";
 

contracts/mocks/ERC20Mock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../token/ERC20/ERC20Pausable.sol";
 import "./PauserRoleMock.sol";

contracts/mocks/ERC20PausableMock.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.7;
+pragma solidity ^0.5.0;
 
 import "../drafts/ERC20Snapshot.sol";