An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu

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Simon Dudley 0ffe977f86 Use correct list of validators when transitioning to different a validatorselectionmode (#2935) ... When producing the next block, the previousBlockHeader.number + 1 needs to be used to query the transition forkSchedule. This is because the list of validators associated with each forkSchedule may be a different set to the current block. This commit changes the implementation for getValidatorsAfterBlock to support this and points getValidatorsAtHead at this implementation. Note getValidatorsForBlock's forkSchedule query is unchanged since we have already mined the block at the point this is called (e.g. for RPCs qbft_getValidatorsBy...). For TransactionValidatorProvider, we need to use the next block's contract address but still use the previous block's validators in the contract call itself. Querying validators using afterBlock vs forBlock may yield different (blockNumber -> validatorAddresses) combinations when transitioning into CONTRACT mode. There we also split TransactionValidatorProvider validatorCache into two caches. Add special case to ForkingValidatorProvider (BlockValidatorProvider.hasValidatorOverridesForBlockNumber) to support transitioning to blockheader mode with some validator overrides. This might be needed if the current validator set loses quorum and we are no longer able to vote new ones in. New integration test cases for validatorselectionmode transitions: - contract -> contract - contract1 -> blockheader -> contract2 - contract1 -> blockheader with overridden validators -> contract2 Fixes https://github.com/hyperledger/besu/issues/2901 Signed-off-by: Simon Dudley <simon.dudley@consensys.net>		3 years ago
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clique	consensus context changes in support of merge context (#2976)	3 years ago
common	Use correct list of validators when transitioning to different a validatorselectionmode (#2935)	3 years ago
ibft	consensus context changes in support of merge context (#2976)	3 years ago
ibftlegacy	consensus context changes in support of merge context (#2976)	3 years ago
merge	iterative merge: Initial plumbing for merge subproject (#2968)	3 years ago
qbft	Use correct list of validators when transitioning to different a validatorselectionmode (#2935)	3 years ago
build.gradle	Adding a spdx license check gradle task (#30)	5 years ago