# Definitions in context.py PHASE0 = 'phase0' ALTAIR = 'altair' BELLATRIX = 'bellatrix' CAPELLA = 'capella' DENEB = 'deneb' ELECTRA = 'electra' EIP7594 = 'eip7594' EIP7251 = 'eip7251' WHISK = 'whisk' # The helper functions that are used when defining constants CONSTANT_DEP_SUNDRY_CONSTANTS_FUNCTIONS = ''' def ceillog2(x: int) -> uint64: if x < 1: raise ValueError(f"ceillog2 accepts only positive values, x={x}") return uint64((x - 1).bit_length()) def floorlog2(x: int) -> uint64: if x < 1: raise ValueError(f"floorlog2 accepts only positive values, x={x}") return uint64(x.bit_length() - 1) ''' OPTIMIZED_BLS_AGGREGATE_PUBKEYS = ''' def eth_aggregate_pubkeys(pubkeys: Sequence[BLSPubkey]) -> BLSPubkey: return bls.AggregatePKs(pubkeys) ''' ETH2_SPEC_COMMENT_PREFIX = "eth2spec:"