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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
``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
[see here for example](https://ethereum.stackexchange.com/a/1794/7586)
``revert()``:
abort execution and revert state changes