prysm-pulse/shared/attestationutil/attestation_utils.go

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// Package attestationutil contains useful helpers for converting
// attestations into indexed form.
Slasher data update from archive (#4563) * first version * cli context * fix service * starting change to ccache * ristretto cache * added test * test on evict * remove evict test * test onevict * comment for exported flag * update all span maps on load * fix setup db * span cache added to help flags * start save cache on exit * save cache to db before close * comment fix * fix flags * setup db new * data update from archive node * gaz * slashing detection on old attestations * un-export * rename * nishant feedback * workspace cr * lint fix * fix calls * start db * fix test * Update slasher/db/db.go Co-Authored-By: Nishant Das <nishdas93@gmail.com> * add flag * fix fail to start beacon client * mock beacon service * fix imports * gaz * goimports * add clear db flag * print finalized epoch * better msg * Update slasher/db/attester_slashings.go Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com> * raul feedback * raul feedback * raul feedback * raul feedback * raul feedback * add detection in runtime * fix tests * raul feedbacks * raul feedback * raul feedback * goimports * Update beacon-chain/blockchain/process_attestation_helpers.go * Update beacon-chain/blockchain/receive_block.go * Update beacon-chain/core/blocks/block_operations_test.go * Update beacon-chain/core/blocks/block_operations.go * Update beacon-chain/core/epoch/epoch_processing.go * Update beacon-chain/sync/validate_aggregate_proof_test.go * Update shared/testutil/block.go * Update slasher/service/data_update.go * Update tools/blocktree/main.go * Update slasher/service/service.go * Update beacon-chain/core/epoch/precompute/attestation_test.go * Update beacon-chain/core/helpers/committee_test.go * Update beacon-chain/core/state/transition_test.go * Update beacon-chain/rpc/aggregator/server_test.go * Update beacon-chain/sync/validate_aggregate_proof.go * Update beacon-chain/rpc/validator/proposer_test.go * Update beacon-chain/blockchain/forkchoice/process_attestation.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/db/indexed_attestations.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/service/data_update.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * terence feedback * terence feedback * goimports Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: Raul Jordan <raul@prysmaticlabs.com> Co-authored-by: Nishant Das <nish1993@hotmail.com> Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2020-01-29 01:44:51 +00:00
package attestationutil
import (
"context"
"sort"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/go-bitfield"
"go.opencensus.io/trace"
)
// ConvertToIndexed converts attestation to (almost) indexed-verifiable form.
//
// Note about spec pseudocode definition. The state was used by get_attesting_indices to determine
// the attestation committee. Now that we provide this as an argument, we no longer need to provide
// a state.
//
// Spec pseudocode definition:
// def get_indexed_attestation(state: BeaconState, attestation: Attestation) -> IndexedAttestation:
// """
// Return the indexed attestation corresponding to ``attestation``.
// """
// attesting_indices = get_attesting_indices(state, attestation.data, attestation.aggregation_bits)
//
// return IndexedAttestation(
// attesting_indices=sorted(attesting_indices),
// data=attestation.data,
// signature=attestation.signature,
// )
func ConvertToIndexed(ctx context.Context, attestation *ethpb.Attestation, committee []uint64) *ethpb.IndexedAttestation {
Slasher data update from archive (#4563) * first version * cli context * fix service * starting change to ccache * ristretto cache * added test * test on evict * remove evict test * test onevict * comment for exported flag * update all span maps on load * fix setup db * span cache added to help flags * start save cache on exit * save cache to db before close * comment fix * fix flags * setup db new * data update from archive node * gaz * slashing detection on old attestations * un-export * rename * nishant feedback * workspace cr * lint fix * fix calls * start db * fix test * Update slasher/db/db.go Co-Authored-By: Nishant Das <nishdas93@gmail.com> * add flag * fix fail to start beacon client * mock beacon service * fix imports * gaz * goimports * add clear db flag * print finalized epoch * better msg * Update slasher/db/attester_slashings.go Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com> * raul feedback * raul feedback * raul feedback * raul feedback * raul feedback * add detection in runtime * fix tests * raul feedbacks * raul feedback * raul feedback * goimports * Update beacon-chain/blockchain/process_attestation_helpers.go * Update beacon-chain/blockchain/receive_block.go * Update beacon-chain/core/blocks/block_operations_test.go * Update beacon-chain/core/blocks/block_operations.go * Update beacon-chain/core/epoch/epoch_processing.go * Update beacon-chain/sync/validate_aggregate_proof_test.go * Update shared/testutil/block.go * Update slasher/service/data_update.go * Update tools/blocktree/main.go * Update slasher/service/service.go * Update beacon-chain/core/epoch/precompute/attestation_test.go * Update beacon-chain/core/helpers/committee_test.go * Update beacon-chain/core/state/transition_test.go * Update beacon-chain/rpc/aggregator/server_test.go * Update beacon-chain/sync/validate_aggregate_proof.go * Update beacon-chain/rpc/validator/proposer_test.go * Update beacon-chain/blockchain/forkchoice/process_attestation.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/db/indexed_attestations.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/service/data_update.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * terence feedback * terence feedback * goimports Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: Raul Jordan <raul@prysmaticlabs.com> Co-authored-by: Nishant Das <nish1993@hotmail.com> Co-authored-by: terence tsao <terence@prysmaticlabs.com>
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ctx, span := trace.StartSpan(ctx, "core.ConvertToIndexed")
defer span.End()
attIndices := AttestingIndices(attestation.AggregationBits, committee)
Slasher data update from archive (#4563) * first version * cli context * fix service * starting change to ccache * ristretto cache * added test * test on evict * remove evict test * test onevict * comment for exported flag * update all span maps on load * fix setup db * span cache added to help flags * start save cache on exit * save cache to db before close * comment fix * fix flags * setup db new * data update from archive node * gaz * slashing detection on old attestations * un-export * rename * nishant feedback * workspace cr * lint fix * fix calls * start db * fix test * Update slasher/db/db.go Co-Authored-By: Nishant Das <nishdas93@gmail.com> * add flag * fix fail to start beacon client * mock beacon service * fix imports * gaz * goimports * add clear db flag * print finalized epoch * better msg * Update slasher/db/attester_slashings.go Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com> * raul feedback * raul feedback * raul feedback * raul feedback * raul feedback * add detection in runtime * fix tests * raul feedbacks * raul feedback * raul feedback * goimports * Update beacon-chain/blockchain/process_attestation_helpers.go * Update beacon-chain/blockchain/receive_block.go * Update beacon-chain/core/blocks/block_operations_test.go * Update beacon-chain/core/blocks/block_operations.go * Update beacon-chain/core/epoch/epoch_processing.go * Update beacon-chain/sync/validate_aggregate_proof_test.go * Update shared/testutil/block.go * Update slasher/service/data_update.go * Update tools/blocktree/main.go * Update slasher/service/service.go * Update beacon-chain/core/epoch/precompute/attestation_test.go * Update beacon-chain/core/helpers/committee_test.go * Update beacon-chain/core/state/transition_test.go * Update beacon-chain/rpc/aggregator/server_test.go * Update beacon-chain/sync/validate_aggregate_proof.go * Update beacon-chain/rpc/validator/proposer_test.go * Update beacon-chain/blockchain/forkchoice/process_attestation.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/db/indexed_attestations.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/service/data_update.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * terence feedback * terence feedback * goimports Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: Raul Jordan <raul@prysmaticlabs.com> Co-authored-by: Nishant Das <nish1993@hotmail.com> Co-authored-by: terence tsao <terence@prysmaticlabs.com>
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sort.Slice(attIndices, func(i, j int) bool {
return attIndices[i] < attIndices[j]
})
inAtt := &ethpb.IndexedAttestation{
Data: attestation.Data,
Signature: attestation.Signature,
AttestingIndices: attIndices,
}
return inAtt
Slasher data update from archive (#4563) * first version * cli context * fix service * starting change to ccache * ristretto cache * added test * test on evict * remove evict test * test onevict * comment for exported flag * update all span maps on load * fix setup db * span cache added to help flags * start save cache on exit * save cache to db before close * comment fix * fix flags * setup db new * data update from archive node * gaz * slashing detection on old attestations * un-export * rename * nishant feedback * workspace cr * lint fix * fix calls * start db * fix test * Update slasher/db/db.go Co-Authored-By: Nishant Das <nishdas93@gmail.com> * add flag * fix fail to start beacon client * mock beacon service * fix imports * gaz * goimports * add clear db flag * print finalized epoch * better msg * Update slasher/db/attester_slashings.go Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com> * raul feedback * raul feedback * raul feedback * raul feedback * raul feedback * add detection in runtime * fix tests * raul feedbacks * raul feedback * raul feedback * goimports * Update beacon-chain/blockchain/process_attestation_helpers.go * Update beacon-chain/blockchain/receive_block.go * Update beacon-chain/core/blocks/block_operations_test.go * Update beacon-chain/core/blocks/block_operations.go * Update beacon-chain/core/epoch/epoch_processing.go * Update beacon-chain/sync/validate_aggregate_proof_test.go * Update shared/testutil/block.go * Update slasher/service/data_update.go * Update tools/blocktree/main.go * Update slasher/service/service.go * Update beacon-chain/core/epoch/precompute/attestation_test.go * Update beacon-chain/core/helpers/committee_test.go * Update beacon-chain/core/state/transition_test.go * Update beacon-chain/rpc/aggregator/server_test.go * Update beacon-chain/sync/validate_aggregate_proof.go * Update beacon-chain/rpc/validator/proposer_test.go * Update beacon-chain/blockchain/forkchoice/process_attestation.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/db/indexed_attestations.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/service/data_update.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * terence feedback * terence feedback * goimports Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: Raul Jordan <raul@prysmaticlabs.com> Co-authored-by: Nishant Das <nish1993@hotmail.com> Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2020-01-29 01:44:51 +00:00
}
// AttestingIndices returns the attesting participants indices from the attestation data. The
// committee is provided as an argument rather than a direct implementation from the spec definition.
// Having the committee as an argument allows for re-use of beacon committees when possible.
//
// Spec pseudocode definition:
// def get_attesting_indices(state: BeaconState,
// data: AttestationData,
// bits: Bitlist[MAX_VALIDATORS_PER_COMMITTEE]) -> Set[ValidatorIndex]:
// """
// Return the set of attesting indices corresponding to ``data`` and ``bits``.
// """
// committee = get_beacon_committee(state, data.slot, data.index)
// return set(index for i, index in enumerate(committee) if bits[i])
func AttestingIndices(bf bitfield.Bitfield, committee []uint64) []uint64 {
Slasher data update from archive (#4563) * first version * cli context * fix service * starting change to ccache * ristretto cache * added test * test on evict * remove evict test * test onevict * comment for exported flag * update all span maps on load * fix setup db * span cache added to help flags * start save cache on exit * save cache to db before close * comment fix * fix flags * setup db new * data update from archive node * gaz * slashing detection on old attestations * un-export * rename * nishant feedback * workspace cr * lint fix * fix calls * start db * fix test * Update slasher/db/db.go Co-Authored-By: Nishant Das <nishdas93@gmail.com> * add flag * fix fail to start beacon client * mock beacon service * fix imports * gaz * goimports * add clear db flag * print finalized epoch * better msg * Update slasher/db/attester_slashings.go Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com> * raul feedback * raul feedback * raul feedback * raul feedback * raul feedback * add detection in runtime * fix tests * raul feedbacks * raul feedback * raul feedback * goimports * Update beacon-chain/blockchain/process_attestation_helpers.go * Update beacon-chain/blockchain/receive_block.go * Update beacon-chain/core/blocks/block_operations_test.go * Update beacon-chain/core/blocks/block_operations.go * Update beacon-chain/core/epoch/epoch_processing.go * Update beacon-chain/sync/validate_aggregate_proof_test.go * Update shared/testutil/block.go * Update slasher/service/data_update.go * Update tools/blocktree/main.go * Update slasher/service/service.go * Update beacon-chain/core/epoch/precompute/attestation_test.go * Update beacon-chain/core/helpers/committee_test.go * Update beacon-chain/core/state/transition_test.go * Update beacon-chain/rpc/aggregator/server_test.go * Update beacon-chain/sync/validate_aggregate_proof.go * Update beacon-chain/rpc/validator/proposer_test.go * Update beacon-chain/blockchain/forkchoice/process_attestation.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/db/indexed_attestations.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/service/data_update.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * terence feedback * terence feedback * goimports Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: Raul Jordan <raul@prysmaticlabs.com> Co-authored-by: Nishant Das <nish1993@hotmail.com> Co-authored-by: terence tsao <terence@prysmaticlabs.com>
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indices := make([]uint64, 0, len(committee))
for _, idx := range bf.BitIndices() {
if idx < len(committee) {
indices = append(indices, committee[idx])
Slasher data update from archive (#4563) * first version * cli context * fix service * starting change to ccache * ristretto cache * added test * test on evict * remove evict test * test onevict * comment for exported flag * update all span maps on load * fix setup db * span cache added to help flags * start save cache on exit * save cache to db before close * comment fix * fix flags * setup db new * data update from archive node * gaz * slashing detection on old attestations * un-export * rename * nishant feedback * workspace cr * lint fix * fix calls * start db * fix test * Update slasher/db/db.go Co-Authored-By: Nishant Das <nishdas93@gmail.com> * add flag * fix fail to start beacon client * mock beacon service * fix imports * gaz * goimports * add clear db flag * print finalized epoch * better msg * Update slasher/db/attester_slashings.go Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com> * raul feedback * raul feedback * raul feedback * raul feedback * raul feedback * add detection in runtime * fix tests * raul feedbacks * raul feedback * raul feedback * goimports * Update beacon-chain/blockchain/process_attestation_helpers.go * Update beacon-chain/blockchain/receive_block.go * Update beacon-chain/core/blocks/block_operations_test.go * Update beacon-chain/core/blocks/block_operations.go * Update beacon-chain/core/epoch/epoch_processing.go * Update beacon-chain/sync/validate_aggregate_proof_test.go * Update shared/testutil/block.go * Update slasher/service/data_update.go * Update tools/blocktree/main.go * Update slasher/service/service.go * Update beacon-chain/core/epoch/precompute/attestation_test.go * Update beacon-chain/core/helpers/committee_test.go * Update beacon-chain/core/state/transition_test.go * Update beacon-chain/rpc/aggregator/server_test.go * Update beacon-chain/sync/validate_aggregate_proof.go * Update beacon-chain/rpc/validator/proposer_test.go * Update beacon-chain/blockchain/forkchoice/process_attestation.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/db/indexed_attestations.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/service/data_update.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * terence feedback * terence feedback * goimports Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: Raul Jordan <raul@prysmaticlabs.com> Co-authored-by: Nishant Das <nish1993@hotmail.com> Co-authored-by: terence tsao <terence@prysmaticlabs.com>
2020-01-29 01:44:51 +00:00
}
}
return indices
Slasher data update from archive (#4563) * first version * cli context * fix service * starting change to ccache * ristretto cache * added test * test on evict * remove evict test * test onevict * comment for exported flag * update all span maps on load * fix setup db * span cache added to help flags * start save cache on exit * save cache to db before close * comment fix * fix flags * setup db new * data update from archive node * gaz * slashing detection on old attestations * un-export * rename * nishant feedback * workspace cr * lint fix * fix calls * start db * fix test * Update slasher/db/db.go Co-Authored-By: Nishant Das <nishdas93@gmail.com> * add flag * fix fail to start beacon client * mock beacon service * fix imports * gaz * goimports * add clear db flag * print finalized epoch * better msg * Update slasher/db/attester_slashings.go Co-Authored-By: Raul Jordan <raul@prysmaticlabs.com> * raul feedback * raul feedback * raul feedback * raul feedback * raul feedback * add detection in runtime * fix tests * raul feedbacks * raul feedback * raul feedback * goimports * Update beacon-chain/blockchain/process_attestation_helpers.go * Update beacon-chain/blockchain/receive_block.go * Update beacon-chain/core/blocks/block_operations_test.go * Update beacon-chain/core/blocks/block_operations.go * Update beacon-chain/core/epoch/epoch_processing.go * Update beacon-chain/sync/validate_aggregate_proof_test.go * Update shared/testutil/block.go * Update slasher/service/data_update.go * Update tools/blocktree/main.go * Update slasher/service/service.go * Update beacon-chain/core/epoch/precompute/attestation_test.go * Update beacon-chain/core/helpers/committee_test.go * Update beacon-chain/core/state/transition_test.go * Update beacon-chain/rpc/aggregator/server_test.go * Update beacon-chain/sync/validate_aggregate_proof.go * Update beacon-chain/rpc/validator/proposer_test.go * Update beacon-chain/blockchain/forkchoice/process_attestation.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/db/indexed_attestations.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * Update slasher/service/data_update.go Co-Authored-By: terence tsao <terence@prysmaticlabs.com> * terence feedback * terence feedback * goimports Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: Raul Jordan <raul@prysmaticlabs.com> Co-authored-by: Nishant Das <nish1993@hotmail.com> Co-authored-by: terence tsao <terence@prysmaticlabs.com>
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}