Update readme links to examples

README.md

@@ -176,13 +176,13 @@ mod flipper {
 }
 ```
 
-The [`flipper/src/lib.rs`](https://github.com/paritytech/ink/blob/master/examples/flipper/lib.rs)
+The [`flipper/src/lib.rs`](https://github.com/paritytech/ink-examples/blob/v4.0.0/flipper/lib.rs)
 file in our examples folder contains exactly this code. Run `cargo contract build` to build your
 first ink! smart contract.
 
 ## Examples
 
-In the [`examples`](https://github.com/paritytech/ink/tree/master/examples) folder you'll find a number of examples written in ink!.
+In the [`examples`](https://github.com/paritytech/ink-examples) repository you'll find a number of examples written in ink!.
 
 Some of the most interesting ones:
 
@@ -238,11 +238,11 @@ See [here](https://paritytech.github.io/ink/ink/attr.contract.html) for a more d
 ### Trait Definitions
 
 Use `#[ink::trait_definition]` to define your very own trait definitions that are then implementable by ink! smart contracts.
-See e.g. the [`examples/trait-erc20`](https://github.com/paritytech/ink/blob/v3.0.0-rc5/examples/trait-erc20/lib.rs#L35-L37) contract on how to utilize it or [the documentation](https://paritytech.github.io/ink/ink/attr.trait_definition.html) for details.
+See e.g. the [`examples/trait-erc20`](https://github.com/paritytech/ink-examples/blob/v4.0.0/trait-erc20/lib.rs#L20-L22) contract on how to utilize it or [the documentation](https://paritytech.github.io/ink/ink/attr.trait_definition.html) for details.
 
 ### Off-chain Testing
 
-The `#[ink::test]` procedural macro enables off-chain testing. See e.g. the [`examples/erc20`](https://github.com/paritytech/ink/blob/v3.0.0-rc5/examples/erc20/lib.rs#L248-L250) contract on how to utilize those or [the documentation](https://paritytech.github.io/ink/ink/attr.test.html) for details.
+The `#[ink::test]` procedural macro enables off-chain testing. See e.g. the [`examples/erc20`](https://github.com/paritytech/ink-examples/blob/v4.0.0/erc20/lib.rs#L276-L277) contract on how to utilize those or [the documentation](https://paritytech.github.io/ink/ink/attr.test.html) for details.
 
 ## Developer Documentation