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## Before you `start work`
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### User Story
As a developer I would like to be able to provide a few parameters and recieve the history of collateral deposits and withdrawals
### Why Is this Needed?
*Summary*: Many applications will need to display this information to users.
[comment]: # (Provide a summary of the solution and a task list on what needs to be fixed.)
*Summary*: Create needed functionality to return this information in a nice format
### Definition of Done
- [ ] implement getCollateralEvents() that accepts needed parameters for reasonable filters (adresses, block numbers, etc)
- [ ] return data in a nice format that can be dispalyed by dApp. See [here](https://github.com/MARKETProtocol/dApp/blob/72a122a0fa37d8b4c3acdcbcd1ebd8fefe944187/src/components/SimExchange/WalletComponents/Table.js#L42) for the current impementation that should eventually be replaced by this functionality.
- [ ] add needed testing for all code written.
### Additional Information
TypeChain provides some nice filtering using their watches and events.