* api/bind: Add CallOpts.BlockHash to allow calling contracts at a specific block hash.
* ethclient: Add BalanceAtHash, NonceAtHash and StorageAtHash functions
* abi/bind/backends: testcase for double-lock
* accounts: add blockByNumberNoLock to avoid double-lock
* backend/simulated: use stateroot, not blockhash for retrieveing state
Co-authored-by: Martin Holst Swende <martin@swende.se>
* Add more functionality to the sim (#5)
* backends: implement more of ethclient in sim
* backends: add BlockByNumber to simulated backend
* backends: make simulated progress function agree with syncprogress interface for client
* backends: add more tests
* backends: add more comments
* backends: fix sim for index in tx and add tests
* backends: add lock back to estimategas
* backends: goimports
* backends: go ci lint
* Add more functionality to the sim (#5)
* backends: implement more of ethclient in sim
* backends: add BlockByNumber to simulated backend
* backends: make simulated progress function agree with syncprogress interface for client
* backends: add more tests
* backends: add more comments
* backends: fix sim for index in tx and add tests
* backends: add lock back to estimategas
* backends: goimports
* backends: go ci lint
* assert errs
