Common
Functions
getCurrentBlockNumber
function getCurrentBlockNumber(
) external returns (uint256)
Return Values:
| Name |
Type |
Description |
the |
|
current block number |
| ### isContract |
|
|
function isContract(
) public returns (bool)
|
|
|
isContract detect whether the address is
is a contract address or externally owned account
Return Values:
| Name |
Type |
Description |
true |
address |
if it is a contract address |
| ### provenanceSignatureIsCorrect |
|
|
function provenanceSignatureIsCorrect(
address _agentId,
bytes32 _hash,
bytes _signature
) public returns (bool)
|
|
|
Parameters:
| Name |
Type |
Description |
_agentId |
address |
The address of the agent |
_hash |
bytes32 |
bytes32 message, the hash is the signed message. What is recovered is the signer address. |
_signature |
bytes |
Signatures provided by the agent |
Return Values:
| Name |
Type |
Description |
true |
address |
if the signature correspond to the agent address |
| ### calculateTotalAmount |
|
|
function calculateTotalAmount(
) public returns (uint256)
|
|
|
Sum the total amount given an uint array
Return Values:
| Name |
Type |
Description |
the |
uint256[] |
total amount |