feat: upgrade typechain to target ethers v5

BREAKING CHANGE: upgrading to a new target ethers v5

Author: Nebulis

.eslintignore

@@ -1,2 +1,3 @@
 migrations/1_initial_migration.js
-dist
+dist
+src/contracts

.eslintrc.json

@@ -17,6 +17,10 @@
     "assert": "readonly",
     "web3": "writable"
   },
+  "rules": {
+    "import/extensions": "off",
+    "import/no-unresolved": "off"
+  },
   "overrides": [
     {
       "files": ["**/*.ts", "**/*.tsx"],

README.md

@@ -17,18 +17,18 @@ To use the package, you will need to provide your own Web3 [provider](https://do
 Deploying new TradeTrustERC721
 
 ```ts
-import {TradeTrustERC721Factory} from "@govtechsg/token-registry";
+import {TradeTrustErc721Factory} from "@govtechsg/token-registry";
 
-const factory = new TradeTrustERC721Factory(signer1);
+const factory = new TradeTrustErc721Factory(signer1);
 const tokenRegistry = await tokenRegistryFactory.deploy("MY_TOKEN_REGISTRY", "TKN");
 ```
 
 Connecting to existing TradeTrustERC721 on Ethereum
 
 ```ts
-import {TradeTrustERC721Factory} from "@govtechsg/token-registry";
+import {TradeTrustErc721Factory} from "@govtechsg/token-registry";
 
-const connectedRegistry = TradeTrustERC721Factory.connect(existingERC721Address, signer1);
+const connectedRegistry = TradeTrustErc721Factory.connect(existingERC721Address, signer1);
 ```
 
 List of available functions on TradeTrustERC721

contracts/ERC721.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.11;
+pragma solidity ^0.5.16;
 
 // File: contracts/GSN/Context.sol
 

contracts/ITitleEscrow.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.11;
+pragma solidity ^0.5.16;
 
 /// @title Title Escrow for Transferable Records
 interface ITitleEscrow {

contracts/ITitleEscrowCreator.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.11;
+pragma solidity ^0.5.16;
 
 /// @title Title Escrow for Transferable Records
 interface ITitleEscrowCreator {

contracts/TitleEscrow.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.11;
+pragma solidity ^0.5.16;
 
 import "./ERC721.sol";
 import "./ITitleEscrow.sol";

contracts/TitleEscrowCreator.sol

@@ -1,4 +1,4 @@
-pragma solidity ^0.5.11;
+pragma solidity ^0.5.16;
 
 import "./ERC721.sol";
 import "./TitleEscrow.sol";