Philippe Castonguay 0282c3608d Using extcodehash instead of extcodesize for less gas (#1802) ...

* Using extcodehash instead of extcodesize for less gas

`extcodehash` uses less gas then `extcodesize`. You can tell which address is a contract by the hash (see EIP-1052).

* Fix

* Add explainer

* Update Address.sol

* add changelog entry

2019-07-08 13:41:55 -03:00

..

access

merge api docs changes

2019-05-23 18:24:31 -03:00

crowdsale

merge api docs changes

2019-05-23 18:24:31 -03:00

cryptography

merge api docs changes

2019-05-23 18:24:31 -03:00

drafts

Change uint to uint256 (#1794)

2019-06-12 16:24:37 -03:00

examples

Simplification of SampleToken (#1734)

2019-06-04 10:22:20 -03:00

introspection

lint

2019-05-23 18:24:33 -03:00

lifecycle

merge api docs changes

2019-05-23 18:24:31 -03:00

math

merge api docs changes

2019-05-23 18:24:31 -03:00

mocks

Change uint to uint256 (#1794)

2019-06-12 16:24:37 -03:00

ownership

Fix Typo (#1801)

2019-06-18 21:08:08 -03:00

payment

merge api docs changes

2019-05-23 18:24:31 -03:00

token

New guides (#1792)

2019-06-24 17:16:50 -03:00

utils

Using extcodehash instead of extcodesize for less gas (#1802)

2019-07-08 13:41:55 -03:00