Commit 507834d7 authored by Shawn Tabrizi's avatar Shawn Tabrizi Committed by Hero Bird

Update ERC20 to match specification (#231)

* Update ERC20 to match specification

Some names and functions don't match specification.

https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md

* Cargo fmt
parent 216a79d0
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