height-based merkleizer
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Jacek Sieka 2024-01-11 18:34:44 +01:00 committed by GitHub
parent a5297a352c
commit e4a1ae67df
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5 changed files with 20 additions and 30 deletions

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@ -32,7 +32,7 @@ template getProof*(
func attachMerkleProofs*(deposits: var openArray[Deposit]): Eth2Digest =
let depositsRoots = mapIt(deposits, hash_tree_root(it.data))
var merkleizer = createMerkleizer(DEPOSIT_CONTRACT_LIMIT)
var merkleizer = createMerkleizer2(DEPOSIT_CONTRACT_TREE_DEPTH + 1)
let proofs = merkleizer.addChunksAndGenMerkleProofs(depositsRoots)
for i in 0 ..< depositsRoots.len:
deposits[i].proof[0 ..< DEPOSIT_CONTRACT_TREE_DEPTH] = getProof(proofs, i)

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@ -878,6 +878,14 @@ func get_next_sync_committee*(
res.aggregate_pubkey = finish(attestersAgg).toPubKey()
res
func compute_deposit_root(deposits: openArray[DepositData]): Eth2Digest =
var merkleizer = createMerkleizer2(DEPOSIT_CONTRACT_TREE_DEPTH + 1)
for i, deposit in deposits:
let htr = hash_tree_root(deposit)
merkleizer.addChunk(htr.data)
mixInLength(merkleizer.getFinalHash(), deposits.len)
# https://github.com/ethereum/consensus-specs/blob/v1.4.0-alpha.3/specs/phase0/beacon-chain.md#genesis
proc initialize_beacon_state_from_eth1(
cfg: RuntimeConfig,
@ -906,8 +914,11 @@ proc initialize_beacon_state_from_eth1(
state = phase0.BeaconState(
fork: genesisFork(cfg),
genesis_time: genesis_time_from_eth1_timestamp(cfg, eth1_timestamp),
eth1_data:
Eth1Data(block_hash: eth1_block_hash, deposit_count: uint64(len(deposits))),
eth1_data:Eth1Data(
deposit_count: deposits.lenu64,
deposit_root: compute_deposit_root(deposits),
block_hash: eth1_block_hash),
eth1_deposit_index: deposits.lenu64,
latest_block_header:
BeaconBlockHeader(
body_root: hash_tree_root(default(phase0.BeaconBlockBody))))
@ -915,17 +926,6 @@ proc initialize_beacon_state_from_eth1(
# Seed RANDAO with Eth1 entropy
state.randao_mixes.fill(eth1_block_hash)
var merkleizer = createMerkleizer(DEPOSIT_CONTRACT_LIMIT)
for i, deposit in deposits:
let htr = hash_tree_root(deposit)
merkleizer.addChunk(htr.data)
# This is already known in the Eth1 monitor, but it would be too
# much work to refactor all the existing call sites in the test suite
state.eth1_data.deposit_root = mixInLength(merkleizer.getFinalHash(),
deposits.len)
state.eth1_deposit_index = deposits.lenu64
var pubkeyToIndex = initTable[ValidatorPubKey, ValidatorIndex]()
for idx, deposit in deposits:
let
@ -1020,24 +1020,16 @@ proc initialize_beacon_state_from_eth1*(
fork: fork,
genesis_time: genesis_time_from_eth1_timestamp(cfg, eth1_timestamp),
eth1_data: Eth1Data(
block_hash: eth1_block_hash, deposit_count: uint64(len(deposits))),
deposit_count: deposits.lenu64,
deposit_root: compute_deposit_root(deposits),
block_hash: eth1_block_hash),
eth1_deposit_index: deposits.lenu64,
latest_block_header: BeaconBlockHeader(
body_root: hash_tree_root(default consensusFork.BeaconBlockBody)))
# Seed RANDAO with Eth1 entropy
state.randao_mixes.data.fill(eth1_block_hash)
var merkleizer = createMerkleizer(DEPOSIT_CONTRACT_LIMIT)
for i, deposit in deposits:
let htr = hash_tree_root(deposit)
merkleizer.addChunk(htr.data)
# This is already known in the Eth1 monitor, but it would be too
# much work to refactor all the existing call sites in the test suite
state.eth1_data.deposit_root = mixInLength(merkleizer.getFinalHash(),
deposits.len)
state.eth1_deposit_index = deposits.lenu64
var pubkeyToIndex = initTable[ValidatorPubKey, ValidatorIndex]()
for idx, deposit in deposits:
let

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@ -87,8 +87,6 @@ const
DEPOSIT_CONTRACT_TREE_DEPTH* = 32
BASE_REWARDS_PER_EPOCH* = 4
DEPOSIT_CONTRACT_LIMIT* = Limit(1'u64 shl DEPOSIT_CONTRACT_TREE_DEPTH)
template maxSize*(n: int) {.pragma.}
# Block validation flow

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@ -22,7 +22,7 @@ from ./datatypes/capella import HashedBeaconState, SignedBeaconBlock
export ssz_codec, merkleization, proofs
type
DepositsMerkleizer* = SszMerkleizer[DEPOSIT_CONTRACT_LIMIT]
DepositsMerkleizer* = SszMerkleizer2[DEPOSIT_CONTRACT_TREE_DEPTH + 1]
# Can't use `ForkyHashedBeaconState`/`ForkyHashedSignedBeaconBlock` without
# creating recursive module dependency through `forks`.

@ -1 +1 @@
Subproject commit f87c99be04f3051fe2d9b4facf5e6e71251e8555
Subproject commit 66de36a9ecc67c98ee858faf555b8a8dd2ea2b5f