Merge pull request #1495 from sbrichards/token-interfaces

Import built-in interfaces in token examples
vyperlang · Jun 25, 2019 · ec8e96e · ec8e96e
2 parents 4f661c3 + 691e84c
commit ec8e96e
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diff --git a/examples/tokens/ERC20.vy b/examples/tokens/ERC20.vy
@@ -2,6 +2,10 @@
 # @author Takayuki Jimba (@yudetamago)
 # https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20.md
 
+from vyper.interfaces import ERC20
+
+implements: ERC20
+
 Transfer: event({_from: indexed(address), _to: indexed(address), _value: uint256})
 Approval: event({_owner: indexed(address), _spender: indexed(address), _value: uint256})
 

diff --git a/examples/tokens/ERC721.vy b/examples/tokens/ERC721.vy
@@ -2,6 +2,10 @@
 # @author Ryuya Nakamura (@nrryuya)
 # Modified from: https://github.com/ethereum/vyper/blob/de74722bf2d8718cca46902be165f9fe0e3641dd/examples/tokens/ERC721.vy
 
+from vyper.interfaces import ERC721
+
+implements: ERC721
+
 # Interface for the contract called by safeTransferFrom()
 contract ERC721Receiver:
     def onERC721Received(