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5e939378d0
* Ignore latest messages in fork choice prior to latest justified * Make sure Compact Committee Roots isn't changed by process_final_updates * WIP add attestation bitfields length to match committee length * Begin work on updating spec tests to 0.8.2 * WIP set up for new spec test structure * Fix slashings * Get mainnet tests mostly passing for attestations and attester slashings * Fix process attestation test * Undo change * Complete spec tests for all operations Still need sanity block tests * Fix BLS sigs * Reduce amount of reused code in core/blocks/spectests/ * Fix tests * Update block sanity tests to 0.8.2 * Update epoch spec tests to 0.8.2 * Clean up all tests and fix shuffling/epoch tests * WIP update bls tests to 0.8.2 * WIP update bls tests to 0.8.3 * Finish BLS spectest update to 0.8.3 * Fix shuffling spec tests * Fix more tests * Update proto ssz spec tests to 0.8.3 * Attempt to fix PrevEpochFFGDataMismatches test * Goimports * Fix documentation * fix test * Use custom general spec tests * Reduce code footprint * Remove unneeded minimal skip * Fix for comments * Fix for comments * Fix test * Small fixes * Cleanup block spec tests a bit * Undo change * fix validator * Fix validator tests * Run gazelle * Fix error output for epoch spec tests
37 lines
1.4 KiB
Go
37 lines
1.4 KiB
Go
package helpers
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import (
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"github.com/pkg/errors"
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pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
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"github.com/prysmaticlabs/prysm/shared/params"
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)
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// BlockRootAtSlot returns the block root stored in the BeaconState for a recent slot.
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// It returns an error if the requested block root is not within the slot range.
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//
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// Spec pseudocode definition:
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// def get_block_root_at_slot(state: BeaconState, slot: Slot) -> Hash:
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// """
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// Return the block root at a recent ``slot``.
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// """
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// assert slot < state.slot <= slot + SLOTS_PER_HISTORICAL_ROOT
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// return state.block_roots[slot % SLOTS_PER_HISTORICAL_ROOT]
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func BlockRootAtSlot(state *pb.BeaconState, slot uint64) ([]byte, error) {
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if slot >= state.Slot || state.Slot > slot+params.BeaconConfig().SlotsPerHistoricalRoot {
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return []byte{}, errors.New("slot out of bounds")
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}
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return state.BlockRoots[slot%params.BeaconConfig().SlotsPerHistoricalRoot], nil
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}
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// BlockRoot returns the block root stored in the BeaconState for epoch start slot.
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//
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// Spec pseudocode definition:
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// def get_block_root(state: BeaconState, epoch: Epoch) -> Hash:
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// """
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// Return the block root at the start of a recent ``epoch``.
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// """
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// return get_block_root_at_slot(state, compute_start_slot_of_epoch(epoch))
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func BlockRoot(state *pb.BeaconState, epoch uint64) ([]byte, error) {
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return BlockRootAtSlot(state, StartSlot(epoch))
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}
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