mirror of
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117 lines
4.7 KiB
Python
117 lines
4.7 KiB
Python
"""
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SSZ proto templating rules.
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These rules allow for variable substitution for hardcoded tag values like ssz-size and ssz-max.
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"""
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####### Configuration #######
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mainnet = {
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"block_roots.size": "8192,32", # SLOTS_PER_HISTORICAL_ROOT, [32]byte
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"state_roots.size": "8192,32", # SLOTS_PER_HISTORICAL_ROOT, [32]byte
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"eth1_data_votes.size": "2048", # SLOTS_PER_ETH1_VOTING_PERIOD
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"randao_mixes.size": "65536,32", # EPOCHS_PER_HISTORICAL_VECTOR, [32]byte
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"previous_epoch_attestations.max": "4096", # MAX_ATTESTATIONS * SLOTS_PER_EPOCH
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"current_epoch_attestations.max": "4096", # MAX_ATTESTATIONS * SLOTS_PER_EPOCH
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"slashings.size": "8192", # EPOCHS_PER_SLASHINGS_VECTOR
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"sync_committee_bits.size": "512", # SYNC_COMMITTEE_SIZE
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"sync_committee_bytes.size": "64",
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"sync_committee_bits.type": "github.com/prysmaticlabs/go-bitfield.Bitvector512",
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"sync_committee_aggregate_bytes.size": "16",
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"sync_committee_aggregate_bits.type": "github.com/prysmaticlabs/go-bitfield.Bitvector128",
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"withdrawal.size": "16",
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"blob.size": "131072", # BYTES_PER_FIELD_ELEMENT * FIELD_ELEMENTS_PER_BLOB
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"logs_bloom.size": "256",
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"extra_data.size": "32",
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"max_blobs_per_block.size": "6",
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"max_blob_commitments.size": "4096",
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"max_cell_proofs_length.size": "524288", # CELLS_PER_EXT_BLOB * MAX_BLOB_COMMITMENTS_PER_BLOCK
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"kzg_commitment_inclusion_proof_depth.size": "17",
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"max_withdrawal_requests_per_payload.size": "16",
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"max_deposit_requests_per_payload.size": "8192",
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"max_attesting_indices.size": "131072",
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"max_committees_per_slot.size": "64",
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"committee_bits.size": "8",
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"committee_bits.type": "github.com/prysmaticlabs/go-bitfield.Bitvector64",
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"pending_deposits_limit": "134217728",
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"pending_partial_withdrawals_limit": "134217728",
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"pending_consolidations_limit": "262144",
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"max_consolidation_requests_per_payload.size": "2",
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"field_elements_per_cell.size": "64",
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"field_elements_per_ext_blob.size": "8192",
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"bytes_per_cell.size": "2048", # FIELD_ELEMENTS_PER_CELL * BYTES_PER_FIELD_ELEMENT
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"cells_per_blob.size": "128",
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"kzg_commitments_inclusion_proof_depth.size": "4",
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}
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minimal = {
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"block_roots.size": "64,32",
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"state_roots.size": "64,32",
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"eth1_data_votes.size": "32",
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"randao_mixes.size": "64,32",
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"previous_epoch_attestations.max": "1024",
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"current_epoch_attestations.max": "1024",
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"slashings.size": "64",
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"sync_committee_bits.size": "32",
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"sync_committee_bytes.size": "4",
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"sync_committee_bits.type": "github.com/prysmaticlabs/go-bitfield.Bitvector32",
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"sync_committee_aggregate_bytes.size": "1",
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"sync_committee_aggregate_bits.type": "github.com/prysmaticlabs/go-bitfield.Bitvector8",
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"withdrawal.size": "4",
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"blob.size": "131072",
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"logs_bloom.size": "256",
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"extra_data.size": "32",
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"max_blobs_per_block.size": "6",
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"max_blob_commitments.size": "32",
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"max_cell_proofs_length.size": "524288", # CELLS_PER_EXT_BLOB * MAX_BLOB_COMMITMENTS_PER_BLOCK
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"kzg_commitment_inclusion_proof_depth.size": "10",
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"max_withdrawal_requests_per_payload.size": "16",
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"max_deposit_requests_per_payload.size": "8192",
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"max_attesting_indices.size": "8192",
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"max_committees_per_slot.size": "4",
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"committee_bits.size": "1",
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"committee_bits.type": "github.com/prysmaticlabs/go-bitfield.Bitvector4",
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"pending_deposits_limit": "134217728",
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"pending_partial_withdrawals_limit": "64",
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"pending_consolidations_limit": "64",
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"max_consolidation_requests_per_payload.size": "2",
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"field_elements_per_cell.size": "64",
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"field_elements_per_ext_blob.size": "8192",
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"bytes_per_cell.size": "2048", # FIELD_ELEMENTS_PER_CELL * BYTES_PER_FIELD_ELEMENT
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"cells_per_blob.size": "128",
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"kzg_commitments_inclusion_proof_depth.size": "4",
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}
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###### Rules definitions #######
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def _ssz_proto_files_impl(ctx):
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"""
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ssz_proto_files implementation performs expand_template based on the value of "config".
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"""
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outputs = []
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if (ctx.attr.config.lower() == "mainnet"):
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subs = mainnet
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elif (ctx.attr.config.lower() == "minimal"):
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subs = minimal
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else:
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fail("%s is an unknown configuration" % ctx.attr.config)
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for src in ctx.attr.srcs:
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output = ctx.actions.declare_file(src.files.to_list()[0].basename)
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outputs.append(output)
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ctx.actions.expand_template(
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template = src.files.to_list()[0],
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output = output,
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substitutions = subs,
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)
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return [DefaultInfo(files = depset(outputs))]
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ssz_proto_files = rule(
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implementation = _ssz_proto_files_impl,
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attrs = {
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"srcs": attr.label_list(mandatory = True, allow_files = [".proto"]),
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"config": attr.string(mandatory = True),
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},
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)
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