SDK接入

    /**
     * register idp, can be called by anyone, will only be valid after been granted
     * @param bid, bid to be registered
     * @param usci, unified social credit identifier
     * @param name, company or organization name
     * Emits {IdpCreated} event
     */
    function registerIdp(string calldata bid, string calldata name, string calldata usci) public;

   /**
     * grant idp, can only be called by admin
     * @param bid, bid of idp to be granted
     * @param idpType, type of idp
     * Emits {IdpGranted} event
     */
    function grantIdpRole(string calldata bid, uint256 idpType) public onlyRole(DEFAULT_ADMIN_ROLE);

    /**
     * revoke idp grantee, can only be called by admin
     * @param bid, bid of idp to be granted
     * Emits {IdpRevoked} event
     */
    function revokeIdpRole(string calldata bid) public onlyRole(DEFAULT_ADMIN_ROLE);

    /**
     * register bid, can be called by anyone, will only be valid after been certificated
     * @param bid, bid to be registered
     * @param socialCode, personal-sha256(id card number), business-unified social credit identifier
     * @param name, personal-sha256(real name), business-company or organization name
     * @param userType, 0-personal, 1-business
     * Emits {BidCreated} event
     */
     function registerBid(string calldata bid, string calldata name, string calldata socialCode, IdentityType userType) public;

    /**
     * certificate bid, can only be called by idp, and when the bid is not certificated or exceeded the validity
     * @param bid, bid to be certificated
     * @param validity, unix timestamp of the certification is valid
     * @param comment, comment message for the certification
     * Emits {BidCertificated} event
     */
    function certificateBid(string calldata bid, uint256 validity, string calldata comment) public onlyRole(IDP_ROLE);

   /**
     * revoke bid certification, can only be called by verification idp, and when the bid is certificated and not exceeded the validity
     * @param bid, bid which owns the verification to be revoked
     * @param comment, comment message for the revoke
     * @emit BidCertificationRevoked
     */
    function revokeBidCertification(string calldata bid, string calldata comment) public onlyRole(IDP_ROLE);

    /**
     * query bid information
     * @param bid: bid to query
     * @return userType, 0-personal, 1-business
     * @return socialCode, personal-sha256(id card number), business-unified social credit identifier
     * @return name, personal-sha256(real name), business-company or organization name
     * @return publicKey, bid creator address
     * @return idpBid, bid of the verification idp
     * @return comment, comment message for the certification or revocation
     * @return validity, unix timestamp of the certification is valid
     * @return verified, whether the bid is verified, will be false if validity is exceeded
     * @return verifiedAt, verification or revocation timestamp
     */
    function queryBid(string calldata bid) public view returns (IdentityType userType, string memory socialCode, string memory name, address publicKey, string memory idpBid, string memory comment, uint256 validity, bool verified, uint256 verifiedAt);

   /**
     * query idp information
     * @param bid, bid to query
     * @return idpType, type of idp
     * @return usci, unified social credit identifier
     * @return name, company or organization name
     * @return publicKey, idp creator address
     */
    function queryIdp(string calldata bid) public view returns (uint256 idpType, string memory usci, string memory name, address publicKey);