1908 lines
64 KiB
C
1908 lines
64 KiB
C
/**
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* beacon_chain
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* Copyright (c) 2023-2024 Status Research & Development GmbH
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* Licensed and distributed under either of
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* * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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* * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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* at your option. This file may not be copied, modified, or distributed except according to those terms.
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*/
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#ifndef LIBNIMBUS_LC_H
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#define LIBNIMBUS_LC_H
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __has_attribute
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#define __has_attribute(x) 0
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#endif
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#ifndef __has_feature
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#define __has_feature(x) 0
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#endif
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#if __has_attribute(warn_unused_result)
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#define ETH_RESULT_USE_CHECK __attribute__((warn_unused_result))
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#else
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#define ETH_RESULT_USE_CHECK
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#endif
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#if __has_feature(nullability)
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#pragma clang assume_nonnull begin
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#endif
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#if !__has_feature(nullability)
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#define _Nonnull
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#define _Nullable
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#endif
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/**
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* Initializes Nim & Garbage Collector. Must be called before anything else
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* of the API. Also, all following calls must come from the same thread as from
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* which this call was done.
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*/
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void NimMain(void);
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/**
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* Cryptographically secure random number generator.
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*/
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typedef struct ETHRandomNumber ETHRandomNumber;
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/**
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* Creates a new cryptographically secure random number generator.
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*
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* - The cryptographically secure random number generator must be destroyed
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* with `ETHRandomNumberDestroy` once no longer needed, to release memory.
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*
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* @return Pointer to an initialized cryptographically secure random number
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* generator context - If successful.
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* @return `NULL` - If an error occurred.
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*/
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ETH_RESULT_USE_CHECK
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ETHRandomNumber *_Nullable ETHRandomNumberCreate(void);
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/**
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* Destroys a cryptographically secure random number generator.
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*
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* - The cryptographically secure random number generator
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* must no longer be used after destruction.
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*
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* @param rng Cryptographically secure random number generator.
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*/
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void ETHRandomNumberDestroy(ETHRandomNumber *rng);
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/**
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* Ethereum Consensus Layer network configuration.
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*/
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typedef struct ETHConsensusConfig ETHConsensusConfig;
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/**
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* Creates a new Ethereum Consensus Layer network configuration
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* based on the given `config.yaml` file content from an
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* Ethereum network definition.
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*
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* - The Ethereum Consensus Layer network configuration must be destroyed with
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* `ETHConsensusConfigDestroy` once no longer needed, to release memory.
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*
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* @param configFileContent `config.yaml` file content. NULL-terminated.
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*
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* @return Pointer to an initialized Ethereum Consensus Layer network configuration
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* based on the given `config.yaml` file content - If successful.
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* @return `NULL` - If the given `config.yaml` is malformed or incompatible.
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*
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* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/configs/README.md
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*/
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ETH_RESULT_USE_CHECK
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ETHConsensusConfig *_Nullable ETHConsensusConfigCreateFromYaml(const char *configFileContent);
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/**
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* Destroys an Ethereum Consensus Layer network configuration.
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*
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* - The Ethereum Consensus Layer network configuration
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* must no longer be used after destruction.
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*
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* @param cfg Ethereum Consensus Layer network configuration.
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*/
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void ETHConsensusConfigDestroy(ETHConsensusConfig *cfg);
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/**
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* Returns the expected `Eth-Consensus-Version` for a given `epoch`.
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*
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* - The returned `Eth-Consensus-Version` is statically allocated.
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* It must neither be released nor written to.
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*
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* @param cfg Ethereum Consensus Layer network configuration.
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* @param epoch Epoch number for which to obtain `Eth-Consensus-Version`
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*
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* @return Expected `Eth-Consensus-Version` for the given `epoch`. NULL-terminated.
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*
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* @see https://github.com/ethereum/beacon-APIs/blob/v2.4.1/beacon-node-oapi.yaml#L419
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*/
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ETH_RESULT_USE_CHECK
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const char *ETHConsensusConfigGetConsensusVersionAtEpoch(const ETHConsensusConfig *cfg, int epoch);
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/**
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* Beacon state.
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*/
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typedef struct ETHBeaconState ETHBeaconState;
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/**
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* Creates a new beacon state based on its SSZ encoded representation.
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*
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* - The beacon state must be destroyed with `ETHBeaconStateDestroy`
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* once no longer needed, to release memory.
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*
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* - When loading a `genesis.ssz` file from an Ethereum network definition,
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* use `ETHConsensusConfigGetConsensusVersionAtEpoch` with `epoch = 0`
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* to determine the correct `consensusVersion`.
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*
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* @param cfg Ethereum Consensus Layer network configuration.
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* @param consensusVersion `Eth-Consensus-Version` for the given `sszBytes`.
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* @param sszBytes Buffer with SSZ encoded beacon state representation.
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* @param numSszBytes Length of buffer.
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*
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* @return Pointer to an initialized beacon state based on the given SSZ encoded
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* representation - If successful.
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* @return `NULL` - If the given `sszBytes` is malformed.
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*
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* @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#beaconstate
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* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/altair/beacon-chain.md#beaconstate
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* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/bellatrix/beacon-chain.md#beaconstate
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* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.3/specs/capella/beacon-chain.md#beaconstate
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* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/configs/README.md
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*/
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ETH_RESULT_USE_CHECK
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ETHBeaconState *_Nullable ETHBeaconStateCreateFromSsz(
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const ETHConsensusConfig *cfg,
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const char *consensusVersion,
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const void *sszBytes,
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int numSszBytes);
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/**
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* Destroys a beacon state.
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*
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* - The beacon state must no longer be used after destruction.
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*
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* @param state Beacon state.
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*/
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void ETHBeaconStateDestroy(ETHBeaconState *state);
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/**
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* Merkle root.
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*/
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typedef struct {
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uint8_t bytes[32];
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} ETHRoot;
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/**
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* Copies the `genesis_validators_root` field from a beacon state.
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*
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* - The genesis validators root must be destroyed with `ETHRootDestroy`
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* once no longer needed, to release memory.
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*
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* @param state Beacon state.
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*
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* @return Pointer to a copy of the given beacon state's genesis validators root.
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*/
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ETH_RESULT_USE_CHECK
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ETHRoot *ETHBeaconStateCopyGenesisValidatorsRoot(const ETHBeaconState *state);
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/**
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* Destroys a Merkle root.
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*
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* - The Merkle root must no longer be used after destruction.
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*
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* @param root Merkle root.
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*
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* @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#custom-types
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*/
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void ETHRootDestroy(ETHRoot *root);
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/**
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* Fork digests cache.
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*/
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typedef struct ETHForkDigests ETHForkDigests;
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/**
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* Creates a fork digests cache for a given beacon state.
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*
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* - The fork digests cache must be destroyed with `ETHForkDigestsDestroy`
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* once no longer needed, to release memory.
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*
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* @param cfg Ethereum Consensus Layer network configuration.
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* @param state Beacon state.
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*
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* @return Pointer to an initialized fork digests cache based on the beacon state.
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*
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* @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.6/specs/phase0/beacon-chain.md#compute_fork_digest
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*/
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ETH_RESULT_USE_CHECK
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ETHForkDigests *ETHForkDigestsCreateFromState(
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const ETHConsensusConfig *cfg, const ETHBeaconState *state);
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/**
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* Destroys a fork digests cache.
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*
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* - The fork digests cache must no longer be used after destruction.
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*
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* @param forkDigests Fork digests cache.
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*/
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void ETHForkDigestsDestroy(ETHForkDigests *forkDigests);
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/**
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* Beacon clock.
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*/
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typedef struct ETHBeaconClock ETHBeaconClock;
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/**
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* Creates a beacon clock for a given beacon state's `genesis_time` field.
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*
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* - The beacon clock must be destroyed with `ETHBeaconClockDestroy`
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* once no longer needed, to release memory.
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*
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* @param cfg Ethereum Consensus Layer network configuration.
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* @param state Beacon state.
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*
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* @return Pointer to an initialized beacon clock based on the beacon state or
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* NULL if the state contained an invalid time.
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*/
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ETH_RESULT_USE_CHECK
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ETHBeaconClock *_Nullable ETHBeaconClockCreateFromState(
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const ETHConsensusConfig *cfg, const ETHBeaconState *state);
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/**
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* Destroys a beacon clock.
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*
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* - The beacon clock must no longer be used after destruction.
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*
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* @param beaconClock Beacon clock.
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*/
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void ETHBeaconClockDestroy(ETHBeaconClock *beaconClock);
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/**
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* Indicates the slot number for the current wall clock time.
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*
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* @param beaconClock Beacon clock.
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*
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* @return Slot number for the current wall clock time - If genesis has occurred.
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* @return `0` - If genesis is still pending.
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*
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* @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/phase0/beacon-chain.md#custom-types
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*/
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ETH_RESULT_USE_CHECK
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int ETHBeaconClockGetSlot(const ETHBeaconClock *beaconClock);
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/**
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* Light client store.
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*/
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typedef struct ETHLightClientStore ETHLightClientStore;
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/**
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* Creates a light client store from light client bootstrap data.
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* The light client store is the primary object for syncing with
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* an Ethereum network.
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*
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* - To create a light client store, the Ethereum network definition
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* including the fork schedule, `genesis_time` and `genesis_validators_root`
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* must be known. Furthermore, a beacon block root must be assumed trusted.
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* The trusted block root should be within the weak subjectivity period,
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* and its root should be from a finalized `Checkpoint`.
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*
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* - The REST `/eth/v1/beacon/light_client/bootstrap/{block_root}` beacon API
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* may be used to obtain light client bootstrap data for a given
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* trusted block root. Setting the `Accept: application/octet-stream`
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* HTTP header in the request selects the more compact SSZ representation.
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*
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* - After creating a light client store, `ETHLightClientStoreGetNextSyncTask`
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* may be used to determine what further REST beacon API requests to perform
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* for keeping the light client store in sync with the Ethereum network.
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*
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* - Once synced the REST `/eth/v1/events?topics=light_client_finality_update`
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* `&topics=light_client_optimistic_update` beacon API provides the most
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* recent light client data. Data from this endpoint is always JSON encoded
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* and may be processed with `ETHLightClientStoreProcessFinalityUpdate` and
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* `ETHLightClientStoreProcessOptimisticUpdate`.
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*
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* - The light client store must be destroyed with
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* `ETHLightClientStoreDestroy` once no longer needed, to release memory.
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*
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* @param cfg Ethereum Consensus Layer network configuration.
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* @param trustedBlockRoot Trusted block root.
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* @param mediaType HTTP `Content-Type` associated with `bootstrapBytes`;
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* `application/json` for JSON, `application/octet-stream` for SSZ.
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* @param consensusVersion HTTP `Eth-Consensus-Version` response header
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* associated with `bootstrapBytes`.
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* @param bootstrapBytes Buffer with encoded light client bootstrap data.
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* @param numBootstrapBytes Length of buffer.
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*
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* @return Pointer to an initialized light client store based on the given
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* light client bootstrap data - If successful.
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* @return `NULL` - If the given `bootstrapBytes` is malformed or incompatible.
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*
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* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientBootstrap
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* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Events/eventstream
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* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/altair/light-client/light-client.md
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* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/phase0/weak-subjectivity.md#weak-subjectivity-period
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*/
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ETH_RESULT_USE_CHECK
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ETHLightClientStore *_Nullable ETHLightClientStoreCreateFromBootstrap(
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const ETHConsensusConfig *cfg,
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const ETHRoot *trustedBlockRoot,
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const char *mediaType,
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const char *consensusVersion,
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const void *bootstrapBytes,
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int numBootstrapBytes);
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/**
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* Destroys a light client store.
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*
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* - The light client store must no longer be used after destruction.
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*
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* @param store Light client store.
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*/
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void ETHLightClientStoreDestroy(ETHLightClientStore *store);
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/** Sync task to fulfill using `/eth/v1/beacon/light_client/updates`. */
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extern int kETHLcSyncKind_UpdatesByRange;
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/** Sync task to fulfill using `/eth/v1/beacon/light_client/finality_update`. */
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extern int kETHLcSyncKind_FinalityUpdate;
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/** Sync task to fulfill using `/eth/v1/beacon/light_client/optimistic_update`. */
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extern int kETHLcSyncKind_OptimisticUpdate;
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/**
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* Obtains the next task for keeping a light client store in sync
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* with the Ethereum network.
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*
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* - When using the REST beacon API to fulfill a sync task, setting the
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* `Accept: application/octet-stream` HTTP header in the request
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* selects the more compact SSZ representation.
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*
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* - After fetching the requested light client data and processing it with the
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* appropriate handler, `ETHLightClientStoreGetMillisecondsToNextSyncTask`
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* may be used to obtain a delay until a new sync task becomes available.
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* Once the delay is reached, call `ETHLightClientStoreGetNextSyncTask`
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* again to obtain the next sync task.
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*
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* - Once synced the REST `/eth/v1/events?topics=light_client_finality_update`
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* `&topics=light_client_optimistic_update` beacon API provides the most
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* recent light client data. Data from this endpoint is always JSON encoded
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* and may be processed with `ETHLightClientStoreProcessFinalityUpdate` and
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* `ETHLightClientStoreProcessOptimisticUpdate`. Events may be processed at
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* any time and do not require re-computing the delay until next sync task
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* with `ETHLightClientStoreGetMillisecondsToNextSyncTask`.
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*
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* @param store Light client store.
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* @param beaconClock Beacon clock.
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* @param[out] startPeriod `start_period` query parameter, if applicable.
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* @param[out] count `count` query parameter, if applicable.
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*
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* @return `kETHLcSyncKind_UpdatesByRange` - If the next sync task is fulfillable
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* using REST `/eth/v1/beacon/light_client/updates` beacon API.
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* The `startPeriod` and `count` parameters are filled, and to be passed to
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* `/eth/v1/beacon/light_client/updates?start_period={startPeriod}`
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* `&count={count}`.
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* Process the response with `ETHLightClientStoreProcessUpdatesByRange`.
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* @return `kETHLcSyncKind_FinalityUpdate` - If the next sync task is fulfillable
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* using REST `/eth/v1/beacon/light_client/finality_update` beacon API.
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* Process the response with `ETHLightClientStoreProcessFinalityUpdate`.
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* The `startPeriod` and `count` parameters are unused for this sync task.
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* @return `kETHLcSyncKind_OptimisticUpdate` - If the next sync task is fulfillable
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* using REST `/eth/v1/beacon/light_client/optimistic_update` beacon API.
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* Process the response with `ETHLightClientStoreProcessOptimisticUpdate`.
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* The `startPeriod` and `count` parameters are unused for this sync task.
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*
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* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientUpdatesByRange
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* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientFinalityUpdate
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* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientOptimisticUpdate
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* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Events/eventstream
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*/
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ETH_RESULT_USE_CHECK
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int ETHLightClientStoreGetNextSyncTask(
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const ETHLightClientStore *store,
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const ETHBeaconClock *beaconClock,
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int *startPeriod,
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int *count);
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/**
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* Indicates the delay until a new light client sync task becomes available.
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* Once the delay is reached, call `ETHLightClientStoreGetNextSyncTask`
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* to obtain the next sync task.
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*
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* @param store Light client store.
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* @param rng Cryptographically secure random number generator.
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* @param beaconClock Beacon clock.
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* @param latestProcessResult Latest sync task processing result, i.e.,
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* the return value of `ETHLightClientStoreProcessUpdatesByRange`,
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* `ETHLightClientStoreProcessFinalityUpdate`, or
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* `ETHLightClientStoreProcessOptimisticUpdate`, for latest task.
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* If the data for the sync task could not be fetched, set to `1`.
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*
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* @return Number of milliseconds until `ETHLightClientStoreGetNextSyncTask`
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* should be called again to obtain the next light client sync task.
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*/
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ETH_RESULT_USE_CHECK
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int ETHLightClientStoreGetMillisecondsToNextSyncTask(
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const ETHLightClientStore *store,
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ETHRandomNumber *rng,
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const ETHBeaconClock *beaconClock,
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int latestProcessResult);
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/**
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* Processes light client update data.
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*
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* - This processes the response data for a sync task of kind
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* `kETHLcSyncKind_UpdatesByRange`, as indicated by
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* `ETHLightClientStoreGetNextSyncTask`. After processing, call
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* `ETHLightClientStoreGetMillisecondsToNextSyncTask` to obtain a delay
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* until a new sync task becomes available.
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*
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* @param store Light client store.
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* @param cfg Ethereum Consensus Layer network configuration.
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* @param forkDigests Fork digests cache.
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* @param genesisValRoot Genesis validators root.
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* @param beaconClock Beacon clock.
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* @param startPeriod `startPeriod` parameter associated with the sync task.
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* @param count `count` parameter associated with the sync task.
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* @param mediaType HTTP `Content-Type` associated with `updatesBytes`;
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* `application/json` for JSON, `application/octet-stream` for SSZ.
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* @param updatesBytes Buffer with encoded light client update data.
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* @param numUpdatesBytes Length of buffer.
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*
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* @return `0` - If the given `updatesBytes` is valid and sync did progress.
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* @return `1` - If the given `updatesBytes` is malformed or incompatible.
|
|
* @return `2` - If the given `updatesBytes` did not advance sync progress.
|
|
*
|
|
* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientUpdatesByRange
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHLightClientStoreProcessUpdatesByRange(
|
|
const ETHLightClientStore *store,
|
|
const ETHConsensusConfig *cfg,
|
|
const ETHForkDigests *forkDigests,
|
|
const ETHRoot *genesisValRoot,
|
|
const ETHBeaconClock *beaconClock,
|
|
int startPeriod,
|
|
int count,
|
|
const char *mediaType,
|
|
const void *updatesBytes,
|
|
int numUpdatesBytes);
|
|
|
|
/**
|
|
* Processes light client finality update data.
|
|
*
|
|
* - This processes the response data for a sync task of kind
|
|
* `kETHLcSyncKind_FinalityUpdate`, as indicated by
|
|
* `ETHLightClientStoreGetNextSyncTask`. After processing, call
|
|
* `ETHLightClientStoreGetMillisecondsToNextSyncTask` to obtain a delay
|
|
* until a new sync task becomes available.
|
|
*
|
|
* - This also processes event data from the REST
|
|
* `/eth/v1/events?topics=light_client_finality_update` beacon API.
|
|
* Set `mediaType` to `application/json`, and `consensusVersion` to `NULL`.
|
|
* Events may be processed at any time, it is not necessary to call
|
|
* `ETHLightClientStoreGetMillisecondsToNextSyncTask`.
|
|
*
|
|
* @param store Light client store.
|
|
* @param cfg Ethereum Consensus Layer network configuration.
|
|
* @param forkDigests Fork digests cache.
|
|
* @param genesisValRoot Genesis validators root.
|
|
* @param beaconClock Beacon clock.
|
|
* @param mediaType HTTP `Content-Type` associated with `finUpdateBytes`;
|
|
* `application/json` for JSON, `application/octet-stream` for SSZ.
|
|
* @param consensusVersion HTTP `Eth-Consensus-Version` response header
|
|
* associated with `finUpdateBytes`. `NULL` when processing event.
|
|
* @param finUpdateBytes Buffer with encoded finality update data.
|
|
* @param numFinUpdateBytes Length of buffer.
|
|
*
|
|
* @return `0` - If the given `finUpdateBytes` is valid and sync did progress.
|
|
* @return `1` - If the given `finUpdateBytes` is malformed or incompatible.
|
|
* @return `2` - If the given `finUpdateBytes` did not advance sync progress.
|
|
*
|
|
* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientFinalityUpdate
|
|
* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Events/eventstream
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHLightClientStoreProcessFinalityUpdate(
|
|
const ETHLightClientStore *store,
|
|
const ETHConsensusConfig *cfg,
|
|
const ETHForkDigests *forkDigests,
|
|
const ETHRoot *genesisValRoot,
|
|
const ETHBeaconClock *beaconClock,
|
|
const char *mediaType,
|
|
const char *_Nullable consensusVersion,
|
|
const void *finUpdateBytes,
|
|
int numFinUpdateBytes);
|
|
|
|
/**
|
|
* Processes light client optimistic update data.
|
|
*
|
|
* - This processes the response data for a sync task of kind
|
|
* `kETHLcSyncKind_OptimisticUpdate`, as indicated by
|
|
* `ETHLightClientStoreGetNextSyncTask`. After processing, call
|
|
* `ETHLightClientStoreGetMillisecondsToNextSyncTask` to obtain a delay
|
|
* until a new sync task becomes available.
|
|
*
|
|
* - This also processes event data from the REST
|
|
* `/eth/v1/events?topics=light_client_optimistic_update` beacon API.
|
|
* Set `mediaType` to `application/json`, and `consensusVersion` to `NULL`.
|
|
* Events may be processed at any time, it is not necessary to call
|
|
* `ETHLightClientStoreGetMillisecondsToNextSyncTask`.
|
|
*
|
|
* @param store Light client store.
|
|
* @param cfg Ethereum Consensus Layer network configuration.
|
|
* @param forkDigests Fork digests cache.
|
|
* @param genesisValRoot Genesis validators root.
|
|
* @param beaconClock Beacon clock.
|
|
* @param mediaType HTTP `Content-Type` associated with `optUpdateBytes`;
|
|
* `application/json` for JSON, `application/octet-stream` for SSZ.
|
|
* @param consensusVersion HTTP `Eth-Consensus-Version` response header
|
|
* associated with `optUpdateBytes`. `NULL` when processing event.
|
|
* @param optUpdateBytes Buffer with encoded optimistic update data.
|
|
* @param numOptUpdateBytes Length of buffer.
|
|
*
|
|
* @return `0` - If the given `optUpdateBytes` is valid and sync did progress.
|
|
* @return `1` - If the given `optUpdateBytes` is malformed or incompatible.
|
|
* @return `2` - If the given `optUpdateBytes` did not advance sync progress.
|
|
*
|
|
* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Beacon/getLightClientOptimisticUpdate
|
|
* @see https://ethereum.github.io/beacon-APIs/?urls.primaryName=v2.4.1#/Events/eventstream
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHLightClientStoreProcessOptimisticUpdate(
|
|
const ETHLightClientStore *store,
|
|
const ETHConsensusConfig *cfg,
|
|
const ETHForkDigests *forkDigests,
|
|
const ETHRoot *genesisValRoot,
|
|
const ETHBeaconClock *beaconClock,
|
|
const char *mediaType,
|
|
const char *_Nullable consensusVersion,
|
|
const void *optUpdateBytes,
|
|
int numOptUpdateBytes);
|
|
|
|
/**
|
|
* Light client header.
|
|
*/
|
|
typedef struct ETHLightClientHeader ETHLightClientHeader;
|
|
|
|
/**
|
|
* Obtains the latest finalized header of a given light client store.
|
|
*
|
|
* - The returned value is allocated in the given light client store.
|
|
* It must neither be released nor written to, and the light client store
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param store Light client store.
|
|
*
|
|
* @return Latest finalized header.
|
|
*
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/capella/light-client/sync-protocol.md#modified-lightclientheader
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHLightClientHeader *ETHLightClientStoreGetFinalizedHeader(
|
|
const ETHLightClientStore *store);
|
|
|
|
/**
|
|
* Indicates whether or not the next sync committee is currently known.
|
|
*
|
|
* - The light client sync process ensures that the next sync committee
|
|
* is obtained in time, before it starts signing light client data.
|
|
* To stay in sync, use `ETHLightClientStoreGetNextSyncTask` and
|
|
* `ETHLightClientStoreGetMillisecondsToNextSyncTask`.
|
|
*
|
|
* @param store Light client store.
|
|
*
|
|
* @return Whether or not the next sync committee is currently known.
|
|
*
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.3/specs/altair/light-client/sync-protocol.md#is_next_sync_committee_known
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/altair/light-client/light-client.md
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
bool ETHLightClientStoreIsNextSyncCommitteeKnown(const ETHLightClientStore *store);
|
|
|
|
/**
|
|
* Obtains the latest optimistic header of a given light client store.
|
|
*
|
|
* - The returned value is allocated in the given light client store.
|
|
* It must neither be released nor written to, and the light client store
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param store Light client store.
|
|
*
|
|
* @return Latest optimistic header.
|
|
*
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/capella/light-client/sync-protocol.md#modified-lightclientheader
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHLightClientHeader *ETHLightClientStoreGetOptimisticHeader(
|
|
const ETHLightClientStore *store);
|
|
|
|
/**
|
|
* Calculates the safety threshold for a given light client store.
|
|
*
|
|
* - Light client data can only update the optimistic header if it is signed
|
|
* by more sync committee participants than the safety threshold indicates.
|
|
*
|
|
* - The finalized header is not affected by the safety threshold;
|
|
* light client data can only update the finalized header if it is signed
|
|
* by a supermajority of the sync committee, regardless of safety threshold.
|
|
*
|
|
* @param store Light client store.
|
|
*
|
|
* @return Light client store safety threshold.
|
|
*
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.4.0-beta.5/specs/altair/light-client/sync-protocol.md#get_safety_threshold
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHLightClientStoreGetSafetyThreshold(const ETHLightClientStore *store);
|
|
|
|
/**
|
|
* Creates a shallow copy of a given light client header.
|
|
*
|
|
* - The copy must be destroyed with `ETHLightClientHeaderDestroy`
|
|
* once no longer needed, to release memory.
|
|
*
|
|
* @param header Light client header.
|
|
*
|
|
* @return Pointer to a shallow copy of the given header.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
ETHLightClientHeader *ETHLightClientHeaderCreateCopy(const ETHLightClientHeader *header);
|
|
|
|
/**
|
|
* Destroys a light client header.
|
|
*
|
|
* - The light client header must no longer be used after destruction.
|
|
*
|
|
* @param header Light client header.
|
|
*/
|
|
void ETHLightClientHeaderDestroy(ETHLightClientHeader *header);
|
|
|
|
/**
|
|
* Computes the beacon block Merkle root for a given light client header.
|
|
*
|
|
* - The Merkle root must be destroyed with `ETHRootDestroy`
|
|
* once no longer needed, to release memory.
|
|
*
|
|
* @param header Light client header.
|
|
* @param cfg Ethereum Consensus Layer network configuration.
|
|
*
|
|
* @return Pointer to a copy of the given header's beacon block root.
|
|
*
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/phase0/beacon-chain.md#hash_tree_root
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
ETHRoot *ETHLightClientHeaderCopyBeaconRoot(
|
|
const ETHLightClientHeader *header,
|
|
const ETHConsensusConfig *cfg);
|
|
|
|
/**
|
|
* Beacon block header.
|
|
*/
|
|
typedef struct ETHBeaconBlockHeader ETHBeaconBlockHeader;
|
|
|
|
/**
|
|
* Obtains the beacon block header of a given light client header.
|
|
*
|
|
* - The returned value is allocated in the given light client header.
|
|
* It must neither be released nor written to, and the light client header
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param header Light client header.
|
|
*
|
|
* @return Beacon block header.
|
|
*
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.5.0-alpha.5/specs/phase0/beacon-chain.md#beaconblockheader
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHBeaconBlockHeader *ETHLightClientHeaderGetBeacon(
|
|
const ETHLightClientHeader *header);
|
|
|
|
/**
|
|
* Obtains the slot number of a given beacon block header.
|
|
*
|
|
* @param beacon Beacon block header.
|
|
*
|
|
* @return Slot number.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHBeaconBlockHeaderGetSlot(const ETHBeaconBlockHeader *beacon);
|
|
|
|
/**
|
|
* Obtains the proposer validator registry index
|
|
* of a given beacon block header.
|
|
*
|
|
* @param beacon Beacon block header.
|
|
*
|
|
* @return Proposer validator registry index.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHBeaconBlockHeaderGetProposerIndex(const ETHBeaconBlockHeader *beacon);
|
|
|
|
/**
|
|
* Obtains the parent beacon block Merkle root of a given beacon block header.
|
|
*
|
|
* - The returned value is allocated in the given beacon block header.
|
|
* It must neither be released nor written to, and the beacon block header
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param beacon Beacon block header.
|
|
*
|
|
* @return Parent beacon block root.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHBeaconBlockHeaderGetParentRoot(const ETHBeaconBlockHeader *beacon);
|
|
|
|
/**
|
|
* Obtains the beacon state Merkle root of a given beacon block header.
|
|
*
|
|
* - The returned value is allocated in the given beacon block header.
|
|
* It must neither be released nor written to, and the beacon block header
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param beacon Beacon block header.
|
|
*
|
|
* @return Beacon state root.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHBeaconBlockHeaderGetStateRoot(const ETHBeaconBlockHeader *beacon);
|
|
|
|
/**
|
|
* Obtains the beacon block body Merkle root of a given beacon block header.
|
|
*
|
|
* - The returned value is allocated in the given beacon block header.
|
|
* It must neither be released nor written to, and the beacon block header
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param beacon Beacon block header.
|
|
*
|
|
* @return Beacon block body root.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHBeaconBlockHeaderGetBodyRoot(const ETHBeaconBlockHeader *beacon);
|
|
|
|
/**
|
|
* Computes the execution block hash for a given light client header.
|
|
*
|
|
* - The hash must be destroyed with `ETHRootDestroy`
|
|
* once no longer needed, to release memory.
|
|
*
|
|
* @param header Light client header.
|
|
* @param cfg Ethereum Consensus Layer network configuration.
|
|
*
|
|
* @return Pointer to a copy of the given header's execution block hash.
|
|
*
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/deneb/beacon-chain.md#executionpayloadheader
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
ETHRoot *ETHLightClientHeaderCopyExecutionHash(
|
|
const ETHLightClientHeader *header,
|
|
const ETHConsensusConfig *cfg);
|
|
|
|
/**
|
|
* Execution payload header.
|
|
*/
|
|
typedef struct ETHExecutionPayloadHeader ETHExecutionPayloadHeader;
|
|
|
|
/**
|
|
* Obtains the execution payload header of a given light client header.
|
|
*
|
|
* - The returned value is allocated in the given light client header.
|
|
* It must neither be released nor written to, and the light client header
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param header Light client header.
|
|
*
|
|
* @return Execution payload header.
|
|
*
|
|
* @see https://github.com/ethereum/consensus-specs/blob/v1.4.0/specs/deneb/beacon-chain.md#executionpayloadheader
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHExecutionPayloadHeader *ETHLightClientHeaderGetExecution(
|
|
const ETHLightClientHeader *header);
|
|
|
|
/**
|
|
* Obtains the parent execution block hash of a given
|
|
* execution payload header.
|
|
*
|
|
* - The returned value is allocated in the given execution payload header.
|
|
* It must neither be released nor written to, and the execution payload
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Parent execution block hash.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHExecutionPayloadHeaderGetParentHash(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Execution address.
|
|
*/
|
|
typedef struct {
|
|
uint8_t bytes[20];
|
|
} ETHExecutionAddress;
|
|
|
|
/**
|
|
* Obtains the fee recipient address of a given execution payload header.
|
|
*
|
|
* - The returned value is allocated in the given execution payload header.
|
|
* It must neither be released nor written to, and the execution payload
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Fee recipient execution address.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHExecutionAddress *ETHExecutionPayloadHeaderGetFeeRecipient(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the state MPT root of a given execution payload header.
|
|
*
|
|
* - The returned value is allocated in the given execution payload header.
|
|
* It must neither be released nor written to, and the execution payload
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Execution state root.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHExecutionPayloadHeaderGetStateRoot(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the receipts MPT root of a given execution payload header.
|
|
*
|
|
* - The returned value is allocated in the given execution payload header.
|
|
* It must neither be released nor written to, and the execution payload
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Execution receipts root.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHExecutionPayloadHeaderGetReceiptsRoot(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Execution logs Bloom.
|
|
*/
|
|
typedef struct {
|
|
uint8_t bytes[256];
|
|
} ETHLogsBloom;
|
|
|
|
/**
|
|
* Obtains the logs Bloom of a given execution payload header.
|
|
*
|
|
* - The returned value is allocated in the given execution payload header.
|
|
* It must neither be released nor written to, and the execution payload
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Execution logs Bloom.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHLogsBloom *ETHExecutionPayloadHeaderGetLogsBloom(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the previous randao mix of a given execution payload header.
|
|
*
|
|
* - The returned value is allocated in the given execution payload header.
|
|
* It must neither be released nor written to, and the execution payload
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Previous randao mix.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHExecutionPayloadHeaderGetPrevRandao(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the execution block number of a given execution payload header.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Execution block number.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHExecutionPayloadHeaderGetBlockNumber(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the gas limit of a given execution payload header.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Gas limit.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHExecutionPayloadHeaderGetGasLimit(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the gas used of a given execution payload header.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Gas used.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHExecutionPayloadHeaderGetGasUsed(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the timestamp of a given execution payload header.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Execution block timestamp.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHExecutionPayloadHeaderGetTimestamp(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the extra data buffer of a given execution payload header.
|
|
*
|
|
* - The returned value is allocated in the given execution payload header.
|
|
* It must neither be released nor written to, and the execution payload
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param execution Execution payload header.
|
|
* @param[out] numBytes Length of buffer.
|
|
*
|
|
* @return Buffer with execution block extra data.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const void *ETHExecutionPayloadHeaderGetExtraDataBytes(
|
|
const ETHExecutionPayloadHeader *execution,
|
|
int *numBytes);
|
|
|
|
/**
|
|
* UInt256 (little-endian)
|
|
*/
|
|
typedef struct {
|
|
uint8_t bytes[32];
|
|
} ETHUInt256;
|
|
|
|
/**
|
|
* Obtains the base fee per gas of a given execution payload header.
|
|
*
|
|
* - The returned value is allocated in the given execution payload header.
|
|
* It must neither be released nor written to, and the execution payload
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Base fee per gas.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHUInt256 *ETHExecutionPayloadHeaderGetBaseFeePerGas(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the blob gas used of a given execution payload header.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Blob gas used.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHExecutionPayloadHeaderGetBlobGasUsed(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Obtains the excess blob gas of a given execution payload header.
|
|
*
|
|
* @param execution Execution payload header.
|
|
*
|
|
* @return Excess blob gas.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHExecutionPayloadHeaderGetExcessBlobGas(
|
|
const ETHExecutionPayloadHeader *execution);
|
|
|
|
/**
|
|
* Execution block header.
|
|
*/
|
|
typedef struct ETHExecutionBlockHeader ETHExecutionBlockHeader;
|
|
|
|
/**
|
|
* Verifies that a JSON execution block header is valid and that it matches
|
|
* the given `executionHash`.
|
|
*
|
|
* - The JSON-RPC `eth_getBlockByHash` with params `[executionHash, false]`
|
|
* may be used to obtain execution block header data for a given execution
|
|
* block hash. Pass the response's `result` property as `blockHeaderJson`.
|
|
*
|
|
* - The execution block header must be destroyed with
|
|
* `ETHExecutionBlockHeaderDestroy` once no longer needed,
|
|
* to release memory.
|
|
*
|
|
* @param executionHash Execution block hash.
|
|
* @param blockHeaderJson Buffer with JSON encoded header. NULL-terminated.
|
|
*
|
|
* @return Pointer to an initialized execution block header - If successful.
|
|
* @return `NULL` - If the given `blockHeaderJson` is malformed or incompatible.
|
|
*
|
|
* @see https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_getblockbyhash
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
ETHExecutionBlockHeader *_Nullable ETHExecutionBlockHeaderCreateFromJson(
|
|
const ETHRoot *executionHash,
|
|
const char *blockHeaderJson);
|
|
|
|
/**
|
|
* Destroys an execution block header.
|
|
*
|
|
* - The execution block header must no longer be used after destruction.
|
|
*
|
|
* @param executionBlockHeader Execution block header.
|
|
*/
|
|
void ETHExecutionBlockHeaderDestroy(ETHExecutionBlockHeader *executionBlockHeader);
|
|
|
|
/**
|
|
* Obtains the transactions MPT root of a given execution block header.
|
|
*
|
|
* - The returned value is allocated in the given execution block header.
|
|
* It must neither be released nor written to, and the execution block
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param executionBlockHeader Execution block header.
|
|
*
|
|
* @return Execution transactions root.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHExecutionBlockHeaderGetTransactionsRoot(
|
|
const ETHExecutionBlockHeader *executionBlockHeader);
|
|
|
|
/**
|
|
* Obtains the withdrawals MPT root of a given execution block header.
|
|
*
|
|
* - The returned value is allocated in the given execution block header.
|
|
* It must neither be released nor written to, and the execution block
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param executionBlockHeader Execution block header.
|
|
*
|
|
* @return Execution withdrawals root.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHExecutionBlockHeaderGetWithdrawalsRoot(
|
|
const ETHExecutionBlockHeader *executionBlockHeader);
|
|
|
|
/**
|
|
* Withdrawal sequence.
|
|
*/
|
|
typedef struct ETHWithdrawals ETHWithdrawals;
|
|
|
|
/**
|
|
* Obtains the withdrawal sequence of a given execution block header.
|
|
*
|
|
* - The returned value is allocated in the given execution block header.
|
|
* It must neither be released nor written to, and the execution block
|
|
* header must not be released while the returned value is in use.
|
|
*
|
|
* @param executionBlockHeader Execution block header.
|
|
*
|
|
* @return Withdrawal sequence.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHWithdrawals *ETHExecutionBlockHeaderGetWithdrawals(
|
|
const ETHExecutionBlockHeader *executionBlockHeader);
|
|
|
|
/**
|
|
* Transaction sequence.
|
|
*/
|
|
typedef struct ETHTransactions ETHTransactions;
|
|
|
|
/**
|
|
* Verifies that JSON transactions data is valid and that it matches
|
|
* the given `transactionsRoot`.
|
|
*
|
|
* - The JSON-RPC `eth_getBlockByHash` with params `[executionHash, true]`
|
|
* may be used to obtain transactions data for a given execution
|
|
* block hash. Pass `result.transactions` as `transactionsJson`.
|
|
*
|
|
* - The transaction sequence must be destroyed with
|
|
* `ETHTransactionsDestroy` once no longer needed,
|
|
* to release memory.
|
|
*
|
|
* @param transactionsRoot Execution transactions root.
|
|
* @param transactionsJson Buffer with JSON transactions list. NULL-terminated.
|
|
*
|
|
* @return Pointer to an initialized transaction sequence - If successful.
|
|
* @return `NULL` - If the given `transactionsJson` is malformed or incompatible.
|
|
*
|
|
* @see https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_getblockbyhash
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
ETHTransactions *_Nullable ETHTransactionsCreateFromJson(
|
|
const ETHRoot *transactionsRoot,
|
|
const char *transactionsJson);
|
|
|
|
/**
|
|
* Destroys a transaction sequence.
|
|
*
|
|
* - The transaction sequence must no longer be used after destruction.
|
|
*
|
|
* @param transactions Transaction sequence.
|
|
*/
|
|
void ETHTransactionsDestroy(ETHTransactions *transactions);
|
|
|
|
/**
|
|
* Indicates the total number of transactions in a transaction sequence.
|
|
*
|
|
* - Individual transactions may be inspected using `ETHTransactionsGet`.
|
|
*
|
|
* @param transactions Transaction sequence.
|
|
*
|
|
* @return Number of available transactions.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHTransactionsGetCount(const ETHTransactions *transactions);
|
|
|
|
/**
|
|
* Transaction.
|
|
*/
|
|
typedef struct ETHTransaction ETHTransaction;
|
|
|
|
/**
|
|
* Obtains an individual transaction by sequential index
|
|
* in a transaction sequence.
|
|
*
|
|
* - The returned value is allocated in the given transaction sequence.
|
|
* It must neither be released nor written to, and the transaction
|
|
* sequence must not be released while the returned value is in use.
|
|
*
|
|
* @param transactions Transaction sequence.
|
|
* @param transactionIndex Sequential transaction index.
|
|
*
|
|
* @return Transaction.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHTransaction *ETHTransactionsGet(
|
|
const ETHTransactions *transactions,
|
|
int transactionIndex);
|
|
|
|
/**
|
|
* Obtains the transaction hash of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Transaction hash.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHTransactionGetHash(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the chain ID of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Chain ID.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHUInt256 *ETHTransactionGetChainId(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the from address of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return From execution address.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHExecutionAddress *ETHTransactionGetFrom(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the nonce of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Nonce.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHTransactionGetNonce(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the max priority fee per gas of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Max priority fee per gas.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHTransactionGetMaxPriorityFeePerGas(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the max fee per gas of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Max fee per gas.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHTransactionGetMaxFeePerGas(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the gas of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Gas.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHTransactionGetGas(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Indicates whether or not a transaction is creating a contract.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Whether or not the transaction is creating a contract.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
bool ETHTransactionIsCreatingContract(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the to address of a transaction.
|
|
*
|
|
* - If the transaction is creating a contract, this function returns
|
|
* the address of the new contract.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return To execution address.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHExecutionAddress *ETHTransactionGetTo(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the value of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Value.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHUInt256 *ETHTransactionGetValue(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains the input of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
* @param[out] numBytes Length of buffer.
|
|
*
|
|
* @return Buffer with input.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const void *ETHTransactionGetInputBytes(
|
|
const ETHTransaction *transaction,
|
|
int *numBytes);
|
|
|
|
/**
|
|
* Transaction access list.
|
|
*/
|
|
typedef struct ETHAccessList ETHAccessList;
|
|
|
|
/**
|
|
* Obtains the access list of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Transaction access list.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHAccessList *ETHTransactionGetAccessList(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Indicates the total number of access tuples in a transaction access list.
|
|
*
|
|
* - Individual access tuples may be inspected using `ETHAccessListGet`.
|
|
*
|
|
* @param accessList Transaction access list.
|
|
*
|
|
* @return Number of available access tuples.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHAccessListGetCount(const ETHAccessList *accessList);
|
|
|
|
/**
|
|
* Access tuple.
|
|
*/
|
|
typedef struct ETHAccessTuple ETHAccessTuple;
|
|
|
|
/**
|
|
* Obtains an individual access tuple by sequential index
|
|
* in a transaction access list.
|
|
*
|
|
* - The returned value is allocated in the given transaction access list.
|
|
* It must neither be released nor written to, and the transaction
|
|
* access list must not be released while the returned value is in use.
|
|
*
|
|
* @param accessList Transaction access list.
|
|
* @param accessTupleIndex Sequential access tuple index.
|
|
*
|
|
* @return Access tuple.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHAccessTuple *ETHAccessListGet(
|
|
const ETHAccessList *accessList,
|
|
int accessTupleIndex);
|
|
|
|
/**
|
|
* Obtains the address of an access tuple.
|
|
*
|
|
* - The returned value is allocated in the given access tuple.
|
|
* It must neither be released nor written to, and the access tuple
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param accessTuple Access tuple.
|
|
*
|
|
* @return Address.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHExecutionAddress *ETHAccessTupleGetAddress(const ETHAccessTuple *accessTuple);
|
|
|
|
/**
|
|
* Indicates the total number of storage keys in an access tuple.
|
|
*
|
|
* - Individual storage keys may be inspected using
|
|
* `ETHAccessTupleGetStorageKey`.
|
|
*
|
|
* @param accessTuple Access tuple.
|
|
*
|
|
* @return Number of available storage keys.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHAccessTupleGetNumStorageKeys(const ETHAccessTuple *accessTuple);
|
|
|
|
/**
|
|
* Obtains an individual storage key by sequential index
|
|
* in an access tuple.
|
|
*
|
|
* - The returned value is allocated in the given transaction access tuple.
|
|
* It must neither be released nor written to, and the transaction
|
|
* access tuple must not be released while the returned value is in use.
|
|
*
|
|
* @param accessTuple Access tuple.
|
|
* @param storageKeyIndex Sequential storage key index.
|
|
*
|
|
* @return Storage key.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHAccessTupleGetStorageKey(
|
|
const ETHAccessTuple *accessTuple,
|
|
int storageKeyIndex);
|
|
|
|
/**
|
|
* Obtains the max fee per blob gas of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Max fee per blob gas.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHTransactionGetMaxFeePerBlobGas(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Indicates the total number of blob versioned hashes of a transaction.
|
|
*
|
|
* - Individual blob versioned hashes may be inspected using
|
|
* `ETHTransactionGetBlobVersionedHash`.
|
|
*
|
|
* @param transaction Transaction.
|
|
*
|
|
* @return Number of available blob versioned hashes.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHTransactionGetNumBlobVersionedHashes(const ETHTransaction *transaction);
|
|
|
|
/**
|
|
* Obtains an individual blob versioned hash by sequential index
|
|
* in a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
* @param versionedHashIndex Sequential blob versioned hash index.
|
|
*
|
|
* @return Blob versioned hash.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHTransactionGetBlobVersionedHash(
|
|
const ETHTransaction *transaction,
|
|
int versionedHashIndex);
|
|
|
|
/**
|
|
* Obtains the signature of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
* @param[out] numBytes Length of buffer.
|
|
*
|
|
* @return Buffer with signature.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const void *ETHTransactionGetSignatureBytes(
|
|
const ETHTransaction *transaction,
|
|
int *numBytes);
|
|
|
|
/**
|
|
* Obtains the raw byte representation of a transaction.
|
|
*
|
|
* - The returned value is allocated in the given transaction.
|
|
* It must neither be released nor written to, and the transaction
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param transaction Transaction.
|
|
* @param[out] numBytes Length of buffer.
|
|
*
|
|
* @return Buffer with raw transaction data.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const void *ETHTransactionGetBytes(
|
|
const ETHTransaction *transaction,
|
|
int *numBytes);
|
|
|
|
/**
|
|
* Receipt sequence.
|
|
*/
|
|
typedef struct ETHReceipts ETHReceipts;
|
|
|
|
/**
|
|
* Verifies that JSON receipts data is valid and that it matches
|
|
* the given `receiptsRoot`.
|
|
*
|
|
* - The JSON-RPC `eth_getTransactionReceipt` may be used to obtain
|
|
* receipts data for a given transaction hash. For verification, it is
|
|
* necessary to obtain the receipt for _all_ transactions within a block.
|
|
* Pass a JSON array containing _all_ receipt's `result` as `receiptsJson`.
|
|
* The receipts need to be in the same order as the `transactions`.
|
|
*
|
|
* - The receipt sequence must be destroyed with `ETHReceiptsDestroy`
|
|
* once no longer needed, to release memory.
|
|
*
|
|
* @param receiptsRoot Execution receipts root.
|
|
* @param receiptsJson Buffer with JSON receipts list. NULL-terminated.
|
|
* @param transactions Transaction sequence.
|
|
*
|
|
* @return Pointer to an initialized receipt sequence - If successful.
|
|
* @return `NULL` - If the given `receiptsJson` is malformed or incompatible.
|
|
*
|
|
* @see https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_gettransactionreceipt
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
ETHReceipts *_Nullable ETHReceiptsCreateFromJson(
|
|
const ETHRoot *receiptsRoot,
|
|
const char *receiptsJson,
|
|
const ETHTransactions *transactions);
|
|
|
|
/**
|
|
* Destroys a receipt sequence.
|
|
*
|
|
* - The receipt sequence must no longer be used after destruction.
|
|
*
|
|
* @param receipts Receipt sequence.
|
|
*/
|
|
void ETHReceiptsDestroy(ETHReceipts *receipts);
|
|
|
|
/**
|
|
* Indicates the total number of receipts in a receipt sequence.
|
|
*
|
|
* - Individual receipts may be inspected using `ETHReceiptsGet`.
|
|
*
|
|
* @param receipts Receipt sequence.
|
|
*
|
|
* @return Number of available receipts.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHReceiptsGetCount(const ETHReceipts *receipts);
|
|
|
|
/**
|
|
* Receipt.
|
|
*/
|
|
typedef struct ETHReceipt ETHReceipt;
|
|
|
|
/**
|
|
* Obtains an individual receipt by sequential index
|
|
* in a receipt sequence.
|
|
*
|
|
* - The returned value is allocated in the given receipt sequence.
|
|
* It must neither be released nor written to, and the receipt
|
|
* sequence must not be released while the returned value is in use.
|
|
*
|
|
* @param receipts Receipt sequence.
|
|
* @param receiptIndex Sequential receipt index.
|
|
*
|
|
* @return Receipt.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHReceipt *ETHReceiptsGet(
|
|
const ETHReceipts *receipts,
|
|
int receiptIndex);
|
|
|
|
/**
|
|
* Indicates whether or not a receipt has a status code.
|
|
*
|
|
* @param receipt Receipt.
|
|
*
|
|
* @return Whether or not the receipt has a status code.
|
|
*
|
|
* @see https://eips.ethereum.org/EIPS/eip-658
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
bool ETHReceiptHasStatus(const ETHReceipt *receipt);
|
|
|
|
/**
|
|
* Obtains the intermediate post-state root of a receipt with no status code.
|
|
*
|
|
* - If the receipt has a status code, this function returns a zero hash.
|
|
*
|
|
* - The returned value is allocated in the given receipt.
|
|
* It must neither be released nor written to, and the receipt
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param receipt Receipt.
|
|
*
|
|
* @return Intermediate post-state root.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHReceiptGetRoot(const ETHReceipt *receipt);
|
|
|
|
/**
|
|
* Obtains the status code of a receipt with a status code.
|
|
*
|
|
* - If the receipt has no status code, this function returns true.
|
|
*
|
|
* @param receipt Receipt.
|
|
*
|
|
* @return Status code.
|
|
*
|
|
* @see https://eips.ethereum.org/EIPS/eip-658
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
bool ETHReceiptGetStatus(const ETHReceipt *receipt);
|
|
|
|
/**
|
|
* Obtains the gas used of a receipt.
|
|
*
|
|
* - The returned value is allocated in the given receipt.
|
|
* It must neither be released nor written to, and the receipt
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param receipt Receipt.
|
|
*
|
|
* @return Gas used.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHReceiptGetGasUsed(const ETHReceipt *receipt);
|
|
|
|
/**
|
|
* Obtains the logs Bloom of a receipt.
|
|
*
|
|
* - The returned value is allocated in the given receipt.
|
|
* It must neither be released nor written to, and the receipt
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param receipt Receipt.
|
|
*
|
|
* @return Logs Bloom.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHLogsBloom *ETHReceiptGetLogsBloom(const ETHReceipt *receipt);
|
|
|
|
/**
|
|
* Log sequence.
|
|
*/
|
|
typedef struct ETHLogs ETHLogs;
|
|
|
|
/**
|
|
* Obtains the logs of a receipt.
|
|
*
|
|
* - The returned value is allocated in the given receipt.
|
|
* It must neither be released nor written to, and the receipt
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param receipt Receipt.
|
|
*
|
|
* @return Log sequence.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHLogs *ETHReceiptGetLogs(const ETHReceipt *receipt);
|
|
|
|
/**
|
|
* Indicates the total number of logs in a log sequence.
|
|
*
|
|
* - Individual logs may be inspected using `ETHLogsGet`.
|
|
*
|
|
* @param logs Log sequence.
|
|
*
|
|
* @return Number of available logs.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHLogsGetCount(const ETHLogs *logs);
|
|
|
|
/**
|
|
* Log.
|
|
*/
|
|
typedef struct ETHLog ETHLog;
|
|
|
|
/**
|
|
* Obtains an individual log by sequential index in a log sequence.
|
|
*
|
|
* - The returned value is allocated in the given log sequence.
|
|
* It must neither be released nor written to, and the log sequence
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param logs Log sequence.
|
|
* @param logIndex Sequential log index.
|
|
*
|
|
* @return Log.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHLog *ETHLogsGet(
|
|
const ETHLogs *logs,
|
|
int logIndex);
|
|
|
|
/**
|
|
* Obtains the address of a log.
|
|
*
|
|
* - The returned value is allocated in the given log.
|
|
* It must neither be released nor written to, and the log
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param log Log.
|
|
*
|
|
* @return Address.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHExecutionAddress *ETHLogGetAddress(const ETHLog *log);
|
|
|
|
/**
|
|
* Indicates the total number of topics in a log.
|
|
*
|
|
* - Individual topics may be inspected using `ETHLogGetTopic`.
|
|
*
|
|
* @param log Log.
|
|
*
|
|
* @return Number of available topics.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHLogGetNumTopics(const ETHLog *log);
|
|
|
|
/**
|
|
* Obtains an individual topic by sequential index in a log.
|
|
*
|
|
* - The returned value is allocated in the given log.
|
|
* It must neither be released nor written to, and the log
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param log Log.
|
|
* @param topicIndex Sequential topic index.
|
|
*
|
|
* @return Topic.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHRoot *ETHLogGetTopic(
|
|
const ETHLog *log,
|
|
int topicIndex);
|
|
|
|
/**
|
|
* Obtains the data of a log.
|
|
*
|
|
* - The returned value is allocated in the given log.
|
|
* It must neither be released nor written to, and the log
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param log Log.
|
|
* @param[out] numBytes Length of buffer.
|
|
*
|
|
* @return Buffer with data.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const void *ETHLogGetDataBytes(
|
|
const ETHLog *log,
|
|
int *numBytes);
|
|
|
|
/**
|
|
* Obtains the raw byte representation of a receipt.
|
|
*
|
|
* - The returned value is allocated in the given receipt.
|
|
* It must neither be released nor written to, and the receipt
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param receipt Receipt.
|
|
* @param[out] numBytes Length of buffer.
|
|
*
|
|
* @return Buffer with raw receipt data.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const void *ETHReceiptGetBytes(
|
|
const ETHReceipt *receipt,
|
|
int *numBytes);
|
|
|
|
/**
|
|
* Indicates the total number of withdrawals in a withdrawal sequence.
|
|
*
|
|
* - Individual withdrawals may be inspected using `ETHWithdrawalsGet`.
|
|
*
|
|
* @param withdrawals Withdrawal sequence.
|
|
*
|
|
* @return Number of available withdrawals.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
int ETHWithdrawalsGetCount(const ETHWithdrawals *withdrawals);
|
|
|
|
/**
|
|
* Withdrawal.
|
|
*/
|
|
typedef struct ETHWithdrawal ETHWithdrawal;
|
|
|
|
/**
|
|
* Obtains an individual withdrawal by sequential index
|
|
* in a withdrawal sequence.
|
|
*
|
|
* - The returned value is allocated in the given withdrawal sequence.
|
|
* It must neither be released nor written to, and the withdrawal
|
|
* sequence must not be released while the returned value is in use.
|
|
*
|
|
* @param withdrawals Withdrawal sequence.
|
|
* @param withdrawalIndex Sequential withdrawal index.
|
|
*
|
|
* @return Withdrawal.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHWithdrawal *ETHWithdrawalsGet(
|
|
const ETHWithdrawals *withdrawals,
|
|
int withdrawalIndex);
|
|
|
|
/**
|
|
* Obtains the index of a withdrawal.
|
|
*
|
|
* - The returned value is allocated in the given withdrawal.
|
|
* It must neither be released nor written to, and the withdrawal
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param withdrawal Withdrawal.
|
|
*
|
|
* @return Index.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHWithdrawalGetIndex(const ETHWithdrawal *withdrawal);
|
|
|
|
/**
|
|
* Obtains the validator index of a withdrawal.
|
|
*
|
|
* - The returned value is allocated in the given withdrawal.
|
|
* It must neither be released nor written to, and the withdrawal
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param withdrawal Withdrawal.
|
|
*
|
|
* @return Validator index.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHWithdrawalGetValidatorIndex(const ETHWithdrawal *withdrawal);
|
|
|
|
/**
|
|
* Obtains the address of a withdrawal.
|
|
*
|
|
* - The returned value is allocated in the given withdrawal.
|
|
* It must neither be released nor written to, and the withdrawal
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param withdrawal Withdrawal.
|
|
*
|
|
* @return Address.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const ETHExecutionAddress *ETHWithdrawalGetAddress(const ETHWithdrawal *withdrawal);
|
|
|
|
/**
|
|
* Obtains the amount of a withdrawal.
|
|
*
|
|
* - The returned value is allocated in the given withdrawal.
|
|
* It must neither be released nor written to, and the withdrawal
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param withdrawal Withdrawal.
|
|
*
|
|
* @return Amount.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const uint64_t *ETHWithdrawalGetAmount(const ETHWithdrawal *withdrawal);
|
|
|
|
/**
|
|
* Obtains the raw byte representation of a withdrawal.
|
|
*
|
|
* - The returned value is allocated in the given withdrawal.
|
|
* It must neither be released nor written to, and the withdrawal
|
|
* must not be released while the returned value is in use.
|
|
*
|
|
* @param withdrawal Withdrawal.
|
|
* @param[out] numBytes Length of buffer.
|
|
*
|
|
* @return Buffer with raw withdrawal data.
|
|
*/
|
|
ETH_RESULT_USE_CHECK
|
|
const void *ETHWithdrawalGetBytes(
|
|
const ETHWithdrawal *withdrawal,
|
|
int *numBytes);
|
|
|
|
#if __has_feature(nullability)
|
|
#pragma clang assume_nonnull end
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|