ConfluxContext
This contract can be used in Solidity contract to query Conflux Core network info including:
- epochNumber- 当前纪元号
- posHeight- PoS链的当前区块高度
- finalizedEpochNumber- (由PoS链)最新确定的PoW纪元号
Interface
ConfluxContext的hex40合约地址是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() external view returns (uint256);
}