Add EIP: Multi-chain Native Tokens #6403

seunlanlege · 2023-01-31T11:33:10Z

This EIP standardizes the interface for ERC20 token contracts which will allow provably secure, trustless bridge contracts to mint & burn tokens, enabling a new class of ERC20 tokens that can be native to multiple chains.

rendered

eth-bot · 2023-01-31T11:34:22Z

File `EIPS/eip-6160.md`

Requires 1 more reviewers from @axic, @Pandapip1, @SamWilsn, @xinbenlv

github-actions · 2023-07-02T00:22:53Z

There has been no activity on this pull request for 2 weeks. It will be closed after 3 months of inactivity. If you would like to move this PR forward, please respond to any outstanding feedback or add a comment indicating that you have addressed all required feedback and are ready for a review.

seunlanlege · 2023-07-10T06:59:27Z

This is ready for review

github-actions · 2023-07-29T00:17:57Z

There has been no activity on this pull request for 2 weeks. It will be closed after 3 months of inactivity. If you would like to move this PR forward, please respond to any outstanding feedback or add a comment indicating that you have addressed all required feedback and are ready for a review.

seunlanlege · 2023-07-29T00:35:08Z

This is ready for review

Pandapip1

Please fix the walidator errors.

github-actions · 2023-07-30T01:20:15Z

The commit 8d47637 (as a parent of 8d4c274) contains errors.
Please inspect the Run Summary for details.

github-actions · 2023-08-14T00:16:09Z

There has been no activity on this pull request for 2 weeks. It will be closed after 3 months of inactivity. If you would like to move this PR forward, please respond to any outstanding feedback or add a comment indicating that you have addressed all required feedback and are ready for a review.

SamWilsn · 2023-09-13T14:37:56Z

EIPS/eip-6160.md

+title: Multi-chain Native Tokens
+description: An interface for multi-chain native tokens.


Your description doesn't provide any additional information compared to the title. Perhaps:

Suggested change

title: Multi-chain Native Tokens

description: An interface for multi-chain native tokens.

title: Multi-chain Native Tokens

description: Extending token interfaces with bridging support.

SamWilsn · 2023-09-13T15:32:00Z

EIPS/eip-6160.md

+
+## Abstract
+
+We propose new [`ERC20`](./eip-20.md), [`ERC721`](./eip-721.md) and [`ERC1155`](./eip-1155.md) extension interfaces which will allow provably secure, trustless bridge contracts to mint & burn tokens, enabling a new class of `ERC` tokens that can be native to multiple chains.


Suggested change

We propose new [`ERC20`](./eip-20.md), [`ERC721`](./eip-721.md) and [`ERC1155`](./eip-1155.md) extension interfaces which will allow provably secure, trustless bridge contracts to mint & burn tokens, enabling a new class of `ERC` tokens that can be native to multiple chains.

We propose new [`ERC20`](./eip-20.md), [`ERC721`](./eip-721.md) and [`ERC1155`](./eip-1155.md) extension interfaces which will allow provably secure, trustless bridge contracts to mint & burn tokens, enabling a new class of tokens that can be native to multiple chains.

SamWilsn · 2023-09-13T15:32:53Z

EIPS/eip-6160.md

+
+## Motivation
+
+[EIP-4844](./eip-4844.md) will set the stage for the Cambrian explosion of L2s on Ethereum. With multiple L2s living on the ethereum blockchain, It therefore becomes necessary to standardize an interface that will allow for native `ERC` tokens to flow across these L2s, removing the need for wrapped representations of these assets.


Suggested change

[EIP-4844](./eip-4844.md) will set the stage for the Cambrian explosion of L2s on Ethereum. With multiple L2s living on the ethereum blockchain, It therefore becomes necessary to standardize an interface that will allow for native `ERC` tokens to flow across these L2s, removing the need for wrapped representations of these assets.

[EIP-4844](./eip-4844.md) will set the stage for the Cambrian explosion of L2s on Ethereum. With multiple L2s living on the ethereum blockchain, it therefore becomes necessary to standardize an interface that will allow for native tokens to flow across these L2s, removing the need for wrapped representations of these assets.

SamWilsn · 2023-09-13T15:34:05Z

EIPS/eip-6160.md

+
+[EIP-4844](./eip-4844.md) will set the stage for the Cambrian explosion of L2s on Ethereum. With multiple L2s living on the ethereum blockchain, It therefore becomes necessary to standardize an interface that will allow for native `ERC` tokens to flow across these L2s, removing the need for wrapped representations of these assets.
+
+Optimisim and Arbitrum, optimistic L2s which are already live on Ethereum today currently have their own custom token interfaces¹ that allow their bridge contracts to mint & burn tokens on L1 & L2. In order to remove the cognitive load on token issuers & developers from extending multiple interface for all the various L2s that will live on Ethereum. It becomes necessary to define a standardized API that all token issuers should implement in order to provide these trustless bridge contracts with the interface needed to transport tokens across these different chains.


We only allow very specific external references (see EIP-1.)

Suggested change

Optimisim and Arbitrum, optimistic L2s which are already live on Ethereum today currently have their own custom token interfaces¹ that allow their bridge contracts to mint & burn tokens on L1 & L2. In order to remove the cognitive load on token issuers & developers from extending multiple interface for all the various L2s that will live on Ethereum. It becomes necessary to define a standardized API that all token issuers should implement in order to provide these trustless bridge contracts with the interface needed to transport tokens across these different chains.

Optimisim and Arbitrum, optimistic L2s which are already live on Ethereum today currently have their own custom token interfaces that allow their bridge contracts to mint & burn tokens on L1 & L2. In order to remove the cognitive load on token issuers & developers from extending multiple interface for all the various L2s that will live on Ethereum. It becomes necessary to define a standardized API that all token issuers should implement in order to provide these trustless bridge contracts with the interface needed to transport tokens across these different chains.

SamWilsn · 2023-09-13T15:35:36Z

EIPS/eip-6160.md

+
+The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described in RFC 2119.
+
+Smart contracts implementing the EIP-6160 standard MUST implement all of the functions in the `EIP-6160` interface.


Suggested change

Smart contracts implementing the EIP-6160 standard MUST implement all of the functions in the `EIP-6160` interface.

Smart contracts implementing this standard MUST implement all of the functions in the corresponding interface defined below.

SamWilsn · 2023-09-13T15:54:08Z

EIPS/eip-6160.md

+
+## Rationale
+
+1. We have chosen the [EIP-5679](./eip-5679.md) standard to provide the mint & burn interface.


The rationale section should explain why a choice was made, not just state which decisions were considered.

SamWilsn · 2023-09-13T15:54:39Z

EIPS/eip-6160.md

+2. We have chosen [EIP-5982](./eip-5982.md) standard to provide the access control interface for trustless bridge contracts to check their permissions to mint & burn `ERC20` tokens.
+3. We have chosen NOT to create new events but to require the usage of existing transfer event as required by EIP-20 EIP-721 and EIP-1155 for maximum compatibility.
+
+## Implementation


Suggested change

## Implementation

## Reference Implementation

SamWilsn · 2023-09-13T15:55:52Z

EIPS/eip-6160.md

+3. We have chosen NOT to create new events but to require the usage of existing transfer event as required by EIP-20 EIP-721 and EIP-1155 for maximum compatibility.
+
+## Implementation
+We have made an example implementation for this EIP at [polytope-labs implementation](https://github.com/polytope-labs/multichain-native-tokens/tree/main/src/tokens)


We don't allow external reference implementations. If you'd like, you can create a minimal reference implementation and include it in the assets directory under a permissive license (CC0-1.0 preferred.) Failing that, just remove the whole section.

SamWilsn · 2023-09-13T15:56:04Z

EIPS/eip-6160.md

+
+## Backwards Compatibility
+
+This EIP is designed to be compatible with EIP-20, EIP-721, EIP-1155.


Suggested change

This EIP is designed to be compatible with EIP-20, EIP-721, EIP-1155.

This EIP is designed to be compatible with ERC-20, ERC-721, ERC-1155.

SamWilsn · 2023-09-13T15:56:50Z

EIPS/eip-6160.md

+## References
+
+¹ Arbitrum: [ICustomToken](https://github.com/OffchainLabs/token-bridge-contracts/blob/main/contracts/tokenbridge/ethereum/ICustomToken.sol),  [IArbToken](https://github.com/OffchainLabs/token-bridge-contracts/blob/main/contracts/tokenbridge/arbitrum/IArbToken.sol). Optimism: [IL2StandardERC20](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts/contracts/standards/IL2StandardERC20.sol).


Suggested change

## References

¹ Arbitrum: [ICustomToken](https://github.com/OffchainLabs/token-bridge-contracts/blob/main/contracts/tokenbridge/ethereum/ICustomToken.sol), [IArbToken](https://github.com/OffchainLabs/token-bridge-contracts/blob/main/contracts/tokenbridge/arbitrum/IArbToken.sol). Optimism: [IL2StandardERC20](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts/contracts/standards/IL2StandardERC20.sol).

Please remove this whole section. We don't allow external links except as mentioned in EIP-1.

github-actions · 2023-09-28T00:16:36Z

There has been no activity on this pull request for 2 weeks. It will be closed after 3 months of inactivity. If you would like to move this PR forward, please respond to any outstanding feedback or add a comment indicating that you have addressed all required feedback and are ready for a review.

github-actions · 2023-10-20T00:16:39Z

There has been no activity on this pull request for 2 weeks. It will be closed after 3 months of inactivity. If you would like to move this PR forward, please respond to any outstanding feedback or add a comment indicating that you have addressed all required feedback and are ready for a review.

SamWilsn · 2023-10-25T22:05:16Z

I am closing this pull request because we are in the process of separating EIPs and ERCs into distinct repositories. Unfortunately, as far as we are aware, GitHub does not provide any tools to ease this migration, so every pull request will need to be re-opened manually.

As this is a PR to create / modify an ERC, I will kindly ask you to redirect this to the new repository at ethereum/ERCs. We have prepared a guide to help with the process.

If there is relevant history here, please link to this PR from the new pull request.

On behalf of the EIP Editors, I apologize for this inconvenience.

github-actions bot added c-new Creates a brand new proposal s-draft This EIP is a Draft t-erc labels Jan 31, 2023

seunlanlege force-pushed the master branch from dda3242 to 10305c0 Compare January 31, 2023 11:35

github-actions bot added the w-ci Waiting on CI to pass label Jan 31, 2023

seunlanlege changed the title ~~Multi chain token standard~~ EIP-6160: Multi chain token standard Jan 31, 2023

seunlanlege changed the title ~~EIP-6160: Multi chain token standard~~ EIP-6160: Multichain token standard Jan 31, 2023

seunlanlege force-pushed the master branch 2 times, most recently from 8b2a479 to 8c03471 Compare January 31, 2023 18:14

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seunlanlege force-pushed the master branch from 8c03471 to 942740f Compare February 1, 2023 11:27

seunlanlege changed the title ~~EIP-6160: Multichain token standard~~ EIP-6160: Multichain native tokens Feb 1, 2023

github-actions bot added w-ci Waiting on CI to pass and removed w-ci Waiting on CI to pass labels Feb 1, 2023

seunlanlege force-pushed the master branch 3 times, most recently from 2270807 to e7ae46c Compare February 1, 2023 13:23

github-actions bot added w-ci Waiting on CI to pass and removed w-ci Waiting on CI to pass labels Feb 1, 2023

multi-chain native tokens

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seunlanlege force-pushed the master branch from e7ae46c to 437bf05 Compare February 1, 2023 13:33

nuel-ikwuoma and others added 2 commits March 12, 2023 20:40

updated interfaceID and implementation link

980ce09

Merge pull request #1 from nuel-ikwuoma/fix-interfaceID

8d47637

eth-bot added e-consensus Waiting on editor consensus e-review Waiting on editor to review labels Mar 12, 2023

seunlanlege marked this pull request as ready for review March 12, 2023 20:08

seunlanlege requested a review from eth-bot as a code owner March 12, 2023 20:08

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seunlanlege mentioned this pull request Jul 8, 2023

Add EIP: Sovereign Bridged Token #7281

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Add EIP: Multi-chain Native Tokens #6403

Add EIP: Multi-chain Native Tokens #6403

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		title: Multi-chain Native Tokens
		description: An interface for multi-chain native tokens.


		## Abstract

		We propose new [`ERC20`](./eip-20.md), [`ERC721`](./eip-721.md) and [`ERC1155`](./eip-1155.md) extension interfaces which will allow provably secure, trustless bridge contracts to mint & burn tokens, enabling a new class of `ERC` tokens that can be native to multiple chains.


		## Motivation

		[EIP-4844](./eip-4844.md) will set the stage for the Cambrian explosion of L2s on Ethereum. With multiple L2s living on the ethereum blockchain, It therefore becomes necessary to standardize an interface that will allow for native `ERC` tokens to flow across these L2s, removing the need for wrapped representations of these assets.


		[EIP-4844](./eip-4844.md) will set the stage for the Cambrian explosion of L2s on Ethereum. With multiple L2s living on the ethereum blockchain, It therefore becomes necessary to standardize an interface that will allow for native `ERC` tokens to flow across these L2s, removing the need for wrapped representations of these assets.

		Optimisim and Arbitrum, optimistic L2s which are already live on Ethereum today currently have their own custom token interfaces¹ that allow their bridge contracts to mint & burn tokens on L1 & L2. In order to remove the cognitive load on token issuers & developers from extending multiple interface for all the various L2s that will live on Ethereum. It becomes necessary to define a standardized API that all token issuers should implement in order to provide these trustless bridge contracts with the interface needed to transport tokens across these different chains.


		The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described in RFC 2119.

		Smart contracts implementing the EIP-6160 standard MUST implement all of the functions in the `EIP-6160` interface.

	Smart contracts implementing the EIP-6160 standard MUST implement all of the functions in the `EIP-6160` interface.
	Smart contracts implementing this standard MUST implement all of the functions in the corresponding interface defined below.


		## Rationale

		1. We have chosen the [EIP-5679](./eip-5679.md) standard to provide the mint & burn interface.


		## Backwards Compatibility

		This EIP is designed to be compatible with EIP-20, EIP-721, EIP-1155.

		## References

		¹ Arbitrum: [ICustomToken](https://github.com/OffchainLabs/token-bridge-contracts/blob/main/contracts/tokenbridge/ethereum/ICustomToken.sol), [IArbToken](https://github.com/OffchainLabs/token-bridge-contracts/blob/main/contracts/tokenbridge/arbitrum/IArbToken.sol). Optimism: [IL2StandardERC20](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts/contracts/standards/IL2StandardERC20.sol).

Add EIP: Multi-chain Native Tokens #6403

Add EIP: Multi-chain Native Tokens #6403

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File EIPS/eip-6160.md

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File `EIPS/eip-6160.md`