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ConfluxContext

This contract can be used in Solidity contract to query Conflux Core network info including:

  • epochNumber - Current epoch number
  • posHeight - Current block height of PoS chain
  • finalizedEpochNumber - The latest finalized (by PoS chain) PoW epoch number
  • epochHash - Get epoch hash by epoch number

Interface​

ConfluxContext's hex40 contract address is 0x0888000000000000000000000000000000000004

// SPDX-License-Identifier: MIT
pragma solidity >=0.4.15;

interface ConfluxContext {
    /*** Query Functions ***/
    /**
     * @dev get the current epoch number
     * @return the current epoch number
     */
    function epochNumber() external view returns (uint256);
    /**
     * @dev get the height of the referred PoS block in the last epoch
`    * @return the current PoS block height
     */
    function posHeight() external view returns (uint256);
    /**
     * @dev get the epoch number of the finalized pivot block.
     * @return the finalized epoch number
     */
    function finalizedEpochNumber() public view returns (uint256);

    function epochHash(uint256) external view returns (bytes32);
}