* Fix unnamed return variable warning
This commit fixes warnings thrown by the solc 0.7.4 compiler:
"Warning: Unnamed return variable can remain unassigned. Add an explicit
return with value to all non-reverting code paths or name the variable."
* Fix function state mutability warning
This commit fixes warnings thrown by the solc 0.7.4 compiler:
"Warning: Function state mutability can be restricted to pure"
* Fix shadows an existing declaration warning
This commit fixes warnings thrown by the solc 0.7.4 compiler:
"Warning: This declaration shadows an existing declaration."
1. Arguments by default are not underscored.
2. If the name isn't available due to shadowing, use prefix underscore.
3. If prefix underscore isn't available due to shadowing, use suffix underscore.
* Merge GSNBouncerBase into GSNRecipient
* Remove emtpy implementations for _pre and _post
* Rename bouncers to recipients
* Rename bouncers documentation to strategies
* Rewrite guides and docstrings to use the strategy naming scheme
* Address review comments
* Apply suggestions from code review
Co-Authored-By: Francisco Giordano <frangio.1@gmail.com>
* change wording of docs
* Add base Context contract
* Add GSNContext and tests
* Add RelayHub deployment to tests
* Add RelayProvider integration, complete GSNContext tests
* Switch dependency to openzeppelin-gsn-provider
* Add default txfee to provider
* Add basic signing recipient
* Sign more values
* Add comment clarifying RelayHub's msg.data
* Make context constructors internal
* Rename SigningRecipient to GSNRecipientSignedData
* Add ERC20Charge recipients
* Harcode RelayHub address into GSNContext
* Fix Solidity linter errors
* Run server from binary, use gsn-helpers to fund it
* Migrate to published @openzeppelin/gsn-helpers
* Silence false-positive compiler warning
* Use GSN helper assertions
* Rename meta-tx to gsn, take out of drafts
* Merge ERC20 charge recipients into a single one
* Rename GSNRecipients to Bouncers
* Add GSNBouncerUtils to decouple the bouncers from GSNRecipient
* Add _upgradeRelayHub
* Store RelayHub address using unstructored storage
* Add IRelayHub
* Add _withdrawDeposits to GSNRecipient
* Add relayHub version to recipient
* Make _acceptRelayedCall and _declineRelayedCall easier to use
* Rename GSNBouncerUtils to GSNBouncerBase, make it IRelayRecipient
* Improve GSNBouncerBase, make pre and post sender-protected and optional
* Fix GSNBouncerERC20Fee, add tests
* Add missing GSNBouncerSignature test
* Override transferFrom in __unstable__ERC20PrimaryAdmin
* Fix gsn dependencies in package.json
* Rhub address slot reduced by 1
* Rename relay hub changed event
* Use released gsn-provider
* Run relayer with short sleep of 1s instead of 100ms
* update package-lock.json
* clear circle cache
* use optimized gsn-provider
* update to latest @openzeppelin/gsn-provider
* replace with gsn dev provider
* remove relay server
* rename arguments in approveFunction
* fix GSNBouncerSignature test
* change gsn txfee
* initialize development provider only once
* update RelayHub interface
* adapt to new IRelayHub.withdraw
* update @openzeppelin/gsn-helpers
* update relayhub singleton address
* fix helper name
* set up gsn provider for coverage too
* lint
* Revert "set up gsn provider for coverage too"
This reverts commit 8a7b5be5f9.
* remove unused code
* add gsn provider to coverage
* move truffle contract options back out
* increase gas limit for coverage
* remove unreachable code
* add more gas for GSNContext test
* fix test suite name
* rename GSNBouncerBase internal API
* remove onlyRelayHub modifier
* add explicit inheritance
* remove redundant event
* update name of bouncers error codes enums
* add basic docs page for gsn contracts
* make gsn directory all caps
* add changelog entry
* lint
* enable test run to fail in coverage
