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76 changes: 33 additions & 43 deletions target_chains/ethereum/entropy_sdk/solidity/IEntropy.sol
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,8 @@ import "./EntropyEventsV2.sol";
import "./EntropyStructsV2.sol";
import "./IEntropyV2.sol";

/// @notice DEPRECATED: This interface is deprecated. Please use IEntropyV2 instead for new implementations.
/// IEntropyV2 provides better callback handling and improved functionality.
interface IEntropy is EntropyEvents, EntropyEventsV2, IEntropyV2 {
// Register msg.sender as a randomness provider. The arguments are the provider's configuration parameters
// and initial commitment. Re-registering the same provider rotates the provider's commitment (and updates
Expand Down Expand Up @@ -38,17 +40,22 @@ interface IEntropy is EntropyEvents, EntropyEventsV2, IEntropyV2 {
// their chosen provider (the exact method for doing so will depend on the provider) to retrieve the provider's
// number. The user should then call fulfillRequest to construct the final random number.
//
// WARNING: This method does NOT invoke a user callback. If you need callback functionality,
// use requestV2 from the IEntropyV2 interface instead.
//
// This method will revert unless the caller provides a sufficient fee (at least getFee(provider)) as msg.value.
// Note that excess value is *not* refunded to the caller.
function request(
address provider,
bytes32 userCommitment,
bool useBlockHash
) external payable returns (uint64 assignedSequenceNumber);
function request(address provider, bytes32 userCommitment, bool useBlockHash)
external
payable
returns (uint64 assignedSequenceNumber);

// Request a random number. The method expects the provider address and a secret random number
// in the arguments. It returns a sequence number.
//
// DEPRECATED: This method is deprecated. Please use requestV2 from the IEntropyV2 interface instead,
// which provides better callback handling and gas limit control.
//
// The address calling this function should be a contract that inherits from the IEntropyConsumer interface.
// The `entropyCallback` method on that interface will receive a callback with the generated random number.
// `entropyCallback` will be run with the provider's default gas limit (see `getProviderInfo(provider).defaultGasLimit`).
Expand All @@ -57,10 +64,10 @@ interface IEntropy is EntropyEvents, EntropyEventsV2, IEntropyV2 {
//
// This method will revert unless the caller provides a sufficient fee (at least `getFee(provider)`) as msg.value.
// Note that excess value is *not* refunded to the caller.
function requestWithCallback(
address provider,
bytes32 userRandomNumber
) external payable returns (uint64 assignedSequenceNumber);
function requestWithCallback(address provider, bytes32 userRandomNumber)
external
payable
returns (uint64 assignedSequenceNumber);

// Fulfill a request for a random number. This method validates the provided userRandomness and provider's proof
// against the corresponding commitments in the in-flight request. If both values are validated, this function returns
Expand All @@ -69,12 +76,9 @@ interface IEntropy is EntropyEvents, EntropyEventsV2, IEntropyV2 {
// Note that this function can only be called once per in-flight request. Calling this function deletes the stored
// request information (so that the contract doesn't use a linear amount of storage in the number of requests).
// If you need to use the returned random number more than once, you are responsible for storing it.
function reveal(
address provider,
uint64 sequenceNumber,
bytes32 userRevelation,
bytes32 providerRevelation
) external returns (bytes32 randomNumber);
function reveal(address provider, uint64 sequenceNumber, bytes32 userRevelation, bytes32 providerRevelation)
external
returns (bytes32 randomNumber);

// Fulfill a request for a random number. This method validates the provided userRandomness
// and provider's revelation against the corresponding commitment in the in-flight request. If both values are validated
Expand All @@ -93,30 +97,22 @@ interface IEntropy is EntropyEvents, EntropyEventsV2, IEntropyV2 {
bytes32 providerRevelation
) external;

function getProviderInfo(
address provider
) external view returns (EntropyStructs.ProviderInfo memory info);
function getProviderInfo(address provider) external view returns (EntropyStructs.ProviderInfo memory info);

function getRequest(
address provider,
uint64 sequenceNumber
) external view returns (EntropyStructs.Request memory req);
function getRequest(address provider, uint64 sequenceNumber)
external
view
returns (EntropyStructs.Request memory req);

// Get the fee charged by provider for a request with the default gasLimit (`request` or `requestWithCallback`).
// If you are calling any of the `requestV2` methods, please use `getFeeV2`.
function getFee(address provider) external view returns (uint128 feeAmount);

function getAccruedPythFees()
external
view
returns (uint128 accruedPythFeesInWei);
function getAccruedPythFees() external view returns (uint128 accruedPythFeesInWei);

function setProviderFee(uint128 newFeeInWei) external;

function setProviderFeeAsFeeManager(
address provider,
uint128 newFeeInWei
) external;
function setProviderFeeAsFeeManager(address provider, uint128 newFeeInWei) external;

function setProviderUri(bytes calldata newUri) external;

Expand All @@ -135,19 +131,13 @@ interface IEntropy is EntropyEvents, EntropyEventsV2, IEntropyV2 {

// Advance the provider commitment and increase the sequence number.
// This is used to reduce the `numHashes` required for future requests which leads to reduced gas usage.
function advanceProviderCommitment(
address provider,
uint64 advancedSequenceNumber,
bytes32 providerRevelation
) external;
function advanceProviderCommitment(address provider, uint64 advancedSequenceNumber, bytes32 providerRevelation)
external;

function constructUserCommitment(
bytes32 userRandomness
) external pure returns (bytes32 userCommitment);
function constructUserCommitment(bytes32 userRandomness) external pure returns (bytes32 userCommitment);

function combineRandomValues(
bytes32 userRandomness,
bytes32 providerRandomness,
bytes32 blockHash
) external pure returns (bytes32 combinedRandomness);
function combineRandomValues(bytes32 userRandomness, bytes32 providerRandomness, bytes32 blockHash)
external
pure
returns (bytes32 combinedRandomness);
}
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