Implement ERC20Gateway::confirmWithdraw - Githubissues

mosaicdao / mosaic-1

Mosaic-1 : meta-blockchains on Ethereum 1.x

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Implement ERC20Gateway::confirmWithdraw #275

Closed deepesh-kn closed 4 years ago

deepesh-kn commented 4 years ago

Implement confirmWithdraw method in ERC20Gateway

Transfer the ERC20 token from ERC20Gateway contract to the beneficiary address provided for the withdrawer.

Merkle proof is required.

ERC20Gateway.confirmWithdraw
    - utility token address
    - value token address
    - amount
    - beneficiary address
    - gas price
    - gas limit
    - sender
    - block number
    - storage proof

This method should also transfer reward/fee to the msg.sender address.

Emit event: WithdrawIntentConfirmed
```
WithdrawIntentConfirmed
- message hash  
```