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Added link to example for ecrecover

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This should be helpful for now until I can write up some documentation to include here
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Morgan 2017-04-21 01:39:14 -04:00 committed by GitHub
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docs/units-and-global-variables.rst
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@ -100,6 +100,7 @@ Mathematical and Cryptographic Functions
compute RIPEMD-160 hash of the (tightly packed) arguments compute RIPEMD-160 hash of the (tightly packed) arguments
``ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) returns (address)``: ``ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) returns (address)``:
recover the address associated with the public key from elliptic curve signature or return zero on error recover the address associated with the public key from elliptic curve signature or return zero on error
[see here for example](https://ethereum.stackexchange.com/a/1794/7586)
``revert()``: ``revert()``:
abort execution and revert state changes abort execution and revert state changes