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| author | chriseth <chris@ethereum.org> | 2018-06-13 23:49:41 +0800 |
|---|---|---|
| committer | Alex Beregszaszi <alex@rtfs.hu> | 2018-06-25 23:17:18 +0800 |
| commit | 17493e64ed986c33bb5562eabafca2d52b212f19 (patch) | |
| tree | 25ac5961633e2813bd4a6bc53b883f690f61f506 /docs/miscellaneous.rst | |
| parent | 237788c0bc204eb08ba7000cd51c0c62ecb777c6 (diff) | |
| download | dexon-solidity-17493e64ed986c33bb5562eabafca2d52b212f19.tar.gz dexon-solidity-17493e64ed986c33bb5562eabafca2d52b212f19.tar.zst dexon-solidity-17493e64ed986c33bb5562eabafca2d52b212f19.zip | |
Documentation.
Diffstat (limited to 'docs/miscellaneous.rst')
| -rw-r--r-- | docs/miscellaneous.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/docs/miscellaneous.rst b/docs/miscellaneous.rst index 108d4c96..f13585fa 100644 --- a/docs/miscellaneous.rst +++ b/docs/miscellaneous.rst @@ -321,7 +321,7 @@ Global Variables - ``abi.encodePacked(...) returns (bytes)``: Performes :ref:`packed encoding <abi_packed_mode>` of the given arguments - ``abi.encodeWithSelector(bytes4 selector, ...) returns (bytes)``: :ref:`ABI <ABI>`-encodes the given arguments starting from the second and prepends the given four-byte selector -- ``abi.encodeWithSignature(string signature, ...) returns (bytes)``: Equivalent to ``abi.encodeWithSelector(bytes4(keccak256(signature), ...)``` +- ``abi.encodeWithSignature(string signature, ...) returns (bytes)``: Equivalent to ``abi.encodeWithSelector(bytes4(keccak256(bytes(signature)), ...)``` - ``block.blockhash(uint blockNumber) returns (bytes32)``: hash of the given block - only works for 256 most recent, excluding current, blocks - deprecated in version 0.4.22 and replaced by ``blockhash(uint blockNumber)``. - ``block.coinbase`` (``address``): current block miner's address - ``block.difficulty`` (``uint``): current block difficulty @@ -342,10 +342,10 @@ Global Variables - ``revert()``: abort execution and revert state changes - ``revert(string message)``: abort execution and revert state changes providing an explanatory string - ``blockhash(uint blockNumber) returns (bytes32)``: hash of the given block - only works for 256 most recent blocks -- ``keccak256(...) returns (bytes32)``: compute the Ethereum-SHA-3 (Keccak-256) hash of the :ref:`(tightly packed) arguments <abi_packed_mode>` -- ``sha3(...) returns (bytes32)``: an alias to ``keccak256`` -- ``sha256(...) returns (bytes32)``: compute the SHA-256 hash of the :ref:`(tightly packed) arguments <abi_packed_mode>` -- ``ripemd160(...) returns (bytes20)``: compute the RIPEMD-160 hash of the :ref:`(tightly packed) arguments <abi_packed_mode>` +- ``keccak256(bytes memory) returns (bytes32)``: compute the Ethereum-SHA-3 (Keccak-256) hash of the input +- ``sha3(bytes memory) returns (bytes32)``: an alias to ``keccak256`` +- ``sha256(bytes memory) returns (bytes32)``: compute the SHA-256 hash of the input +- ``ripemd160(bytes memory) returns (bytes20)``: compute the RIPEMD-160 hash of the input - ``ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) returns (address)``: recover address associated with the public key from elliptic curve signature, return zero on error - ``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``. Assert that ``k != 0`` starting from version 0.5.0. - ``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``. Assert that ``k != 0`` starting from version 0.5.0. |