From a8164eb5d72f01b44d5c83ce1b0d9650dc54b04c Mon Sep 17 00:00:00 2001 From: Denton Liu Date: Fri, 13 May 2016 10:23:20 -0400 Subject: Corrected documentation for ecrecover --- docs/miscellaneous.rst | 2 +- docs/units-and-global-variables.rst | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/docs/miscellaneous.rst b/docs/miscellaneous.rst index 19fbe85c..de046c6d 100644 --- a/docs/miscellaneous.rst +++ b/docs/miscellaneous.rst @@ -170,7 +170,7 @@ Global Variables - `sha3(...) returns (bytes32)`: compute the Ethereum-SHA3 hash of the (tightly packed) arguments - `sha256(...) returns (bytes32)`: compute the SHA256 hash of the (tightly packed) arguments - `ripemd160(...) returns (bytes20)`: compute RIPEMD of 256 the (tightly packed) arguments -- `ecrecover(bytes32, uint8, bytes32, bytes32) returns (address)`: recover public key from elliptic curve signature +- `ecrecover(bytes32, uint8, bytes32, bytes32) returns (address)`: recover address associated with the public key from elliptic curve signature - `addmod(uint x, uint y, uint k) returns (uint)`: compute `(x + y) % k` where the addition is performed with arbitrary precision and does not wrap around at `2**256`. - `mulmod(uint x, uint y, uint k) returns (uint)`: compute `(x * y) % k` where the multiplication is performed with arbitrary precision and does not wrap around at `2**256`. - `this` (current contract's type): the current contract, explicitly convertible to `address` diff --git a/docs/units-and-global-variables.rst b/docs/units-and-global-variables.rst index 9ddf52b1..20881b1d 100644 --- a/docs/units-and-global-variables.rst +++ b/docs/units-and-global-variables.rst @@ -94,8 +94,8 @@ Mathematical and Cryptographic Functions compute the SHA-256 hash of the (tightly packed) arguments `ripemd160(...) returns (bytes20)`: compute RIPEMD-160 hash of the (tightly packed) arguments -`ecrecover(bytes32, uint8, bytes32, bytes32) returns (address)`: - recover public key from elliptic curve signature - arguments are (data, v, r, s) +`ecrecover(bytes32 data, uint8 v, bytes32 r, bytes32 s) returns (address)`: + recover the address assocaited with the public key from elliptic curve signature In the above, "tightly packed" means that the arguments are concatenated without padding. This means that the following are all identical:: -- cgit v1.2.3