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Add Arbitrum bridge docs #43

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -9,6 +9,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
### Added

- Access controlled mintable & burnable LinkToken, for use on sidechains and L2 networks.
- Add Arbitrum bridge documentation
- Added versioning to v0.6 & v0.7 contracts

### Changed
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2 changes: 2 additions & 0 deletions contracts/v0.7/bridge/README.md
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Expand Up @@ -23,3 +23,5 @@ NOTICE: Current implementation of LinkTokenChild contract requires some addition
gets defined, and once online transfer the ownership (bridge gateway role) to the new bridge.

TODO: Potentially create an upgradeable `LinkTokenChild.sol` and limit gateway support to only one (owner)!

- `./token/arbitrum/`: Documentation for the Arbitrum bridge.
8 changes: 8 additions & 0 deletions contracts/v0.7/bridge/token/arbitrum/README.md
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@@ -0,0 +1,8 @@
# LINK Token on Arbitrum

Arbitrum included the ERC677 protocol support into their standard bridge token implementation, so **custom integration is not necessary**.

- Arbitrum ERC20/ERC677 token implementation: [StandardArbERC20.sol](https://github.com/OffchainLabs/arbitrum/blob/042bcafbccf09a23c149822436fb5ec0f4f6fe57/packages/arb-bridge-peripherals/contracts/tokenbridge/arbitrum/StandardArbERC20.sol)
- _Ethereum Rinkeby Arbitrum_ LINK token address: [0x615fBe6372676474d9e6933d310469c9b68e9726](https://rinkeby-explorer.arbitrum.io/address/0x615fBe6372676474d9e6933d310469c9b68e9726)
- _Ethereum Mainnet Arbitrum One_ LINK token address: [0xf97f4df75117a78c1A5a0DBb814Af92458539FB4](https://explorer.arbitrum.io/address/0xf97f4df75117a78c1A5a0DBb814Af92458539FB4)
- Arbitrum bridge UI: [https://bridge.arbitrum.io/](https://bridge.arbitrum.io/)