Danny Ryan
GitHub
commit
c6d206e581
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@ -0,0 +1,2 @@
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uint
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byteorder
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@ -210,7 +210,7 @@ ignored_dependencies = [
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def dependency_order_ssz_objects(objects: Dict[str, str], custom_types: Dict[str, str]) -> None:
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"""
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Determines which SSZ Object is depenedent on which other and orders them appropriately
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Determines which SSZ Object is dependent on which other and orders them appropriately
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"""
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items = list(objects.items())
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for key, value in items:
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@ -169,7 +169,7 @@ The following values are (non-configurable) constants used throughout the specif
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## Configuration
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*Note*: The default mainnet configuration values are included here for spec-design purposes. The different configurations for mainnet, testnets, and YAML-based testing can be found in the [`configs/constant_presets`](../../configs/constant_presets) directory. These configurations are updated for releases and may be out of sync during `dev` changes.
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*Note*: The default mainnet configuration values are included here for spec-design purposes. The different configurations for mainnet, testnets, and YAML-based testing can be found in the [`configs/constant_presets`](../../configs) directory. These configurations are updated for releases and may be out of sync during `dev` changes.
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### Misc
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@ -7,13 +7,16 @@
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- [Merkle proof formats](#merkle-proof-formats)
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- [Table of contents](#table-of-contents)
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- [Constants](#constants)
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- [Generalized Merkle tree index](#generalized-merkle-tree-index)
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- [SSZ object to index](#ssz-object-to-index)
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- [Helpers for generalized indices](#helpers-for-generalized-indices)
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- [`concat_generalized_indices`](#concat_generalized_indices)
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- [`get_generalized_index_length`](#get_generalized_index_length)
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- [`get_generalized_index_bit`](#get_generalized_index_bit)
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- [`generalized_index_sibling`](#generalized_index_sibling)
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- [`generalized_index_child`](#generalized_index_child)
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- [`generalized_index_parent`](#generalized_index_parent)
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- [Merkle multiproofs](#merkle-multiproofs)
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- [MerklePartial](#merklepartial)
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- [`SSZMerklePartial`](#sszmerklepartial)
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- [Proofs for execution](#proofs-for-execution)
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<!-- /TOC -->
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@ -301,7 +301,7 @@ Here, `result` represents the 1-byte response code.
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The token of the negotiated protocol ID specifies the type of encoding to be used for the req/resp interaction. Two values are possible at this time:
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- `ssz`: The contents are [SSZ-encoded](#ssz-encoding). This encoding type MUST be supported by all clients. For objects containing a single field, only the field is SSZ-encoded not a container with a single field. For example, the `BeaconBlocks` response would be an SSZ-encoded list of `BeaconBlock`s. All SSZ-Lists in the Req/Resp domain will have a maximum list size of `SSZ_MAX_LIST_SIZE`.
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- `ssz`: The contents are [SSZ-encoded](../simple-serialize.md). This encoding type MUST be supported by all clients. For objects containing a single field, only the field is SSZ-encoded not a container with a single field. For example, the `BeaconBlocks` response would be an SSZ-encoded list of `BeaconBlock`s. All SSZ-Lists in the Req/Resp domain will have a maximum list size of `SSZ_MAX_LIST_SIZE`.
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- `ssz_snappy`: The contents are SSZ-encoded and then compressed with [Snappy](https://github.com/google/snappy). MAY be supported in the interoperability testnet; MUST be supported in mainnet.
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#### SSZ-encoding strategy (with or without Snappy)
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@ -26,6 +26,7 @@
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- [Deserialization](#deserialization)
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- [Merkleization](#merkleization)
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- [Self-signed containers](#self-signed-containers)
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- [Summaries and expansions](#summaries-and-expansions)
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- [Implementations](#implementations)
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<!-- /TOC -->
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@ -230,7 +231,7 @@ We similarly define "summary types" and "expansion types". For example, [`Beacon
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| Python | Ethereum 2.0 | Ethereum Foundation | [https://github.com/ethereum/py-ssz](https://github.com/ethereum/py-ssz) |
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| Rust | Lighthouse | Sigma Prime | [https://github.com/sigp/lighthouse/tree/master/eth2/utils/ssz](https://github.com/sigp/lighthouse/tree/master/eth2/utils/ssz) |
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| Nim | Nimbus | Status | [https://github.com/status-im/nim-beacon-chain/blob/master/beacon_chain/ssz.nim](https://github.com/status-im/nim-beacon-chain/blob/master/beacon_chain/ssz.nim) |
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| Rust | Shasper | ParityTech | [https://github.com/paritytech/shasper/tree/master/utils/ssz](https://github.com/paritytech/shasper/tree/master/util/ssz) |
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| Rust | Shasper | ParityTech | [https://github.com/paritytech/shasper/tree/master/utils/ssz](https://github.com/paritytech/shasper/tree/master/utils/ssz) |
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| TypeScript | Lodestar | ChainSafe Systems | [https://github.com/ChainSafe/ssz-js](https://github.com/ChainSafe/ssz-js) |
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| Java | Cava | ConsenSys | [https://www.github.com/ConsenSys/cava/tree/master/ssz](https://www.github.com/ConsenSys/cava/tree/master/ssz) |
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| Go | Prysm | Prysmatic Labs | [https://github.com/prysmaticlabs/go-ssz](https://github.com/prysmaticlabs/go-ssz) |
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@ -266,7 +266,7 @@ Up to `MAX_ATTESTATIONS`, aggregate attestations can be included in the `block`.
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##### Deposits
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If there are any unprocessed deposits for the existing `state.eth1_data` (i.e. `state.eth1_data.deposit_count > state.eth1_deposit_index`), then pending deposits _must_ be added to the block. The expected number of deposits is exactly `min(MAX_DEPOSITS, eth1_data.deposit_count - state.eth1_deposit_index)`. These [`deposits`](../core/0_beacon-chain.md#deposit) are constructed from the `Deposit` logs from the [Eth 1.0 deposit contract](../core/0_deposit-contract) and must be processed in sequential order. The deposits included in the `block` must satisfy the verification conditions found in [deposits processing](../core/0_beacon-chain.md#deposits).
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If there are any unprocessed deposits for the existing `state.eth1_data` (i.e. `state.eth1_data.deposit_count > state.eth1_deposit_index`), then pending deposits _must_ be added to the block. The expected number of deposits is exactly `min(MAX_DEPOSITS, eth1_data.deposit_count - state.eth1_deposit_index)`. These [`deposits`](../core/0_beacon-chain.md#deposit) are constructed from the `Deposit` logs from the [Eth 1.0 deposit contract](../core/0_deposit-contract.md) and must be processed in sequential order. The deposits included in the `block` must satisfy the verification conditions found in [deposits processing](../core/0_beacon-chain.md#deposits).
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The `proof` for each deposit must be constructed against the deposit root contained in `state.eth1_data` rather than the deposit root at the time the deposit was initially logged from the 1.0 chain. This entails storing a full deposit merkle tree locally and computing updated proofs against the `eth1_data.deposit_root` as needed. See [`minimal_merkle.py`](https://github.com/ethereum/research/blob/master/spec_pythonizer/utils/merkle_minimal.py) for a sample implementation.
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@ -9,6 +9,24 @@ On releases, test generators are run by the release manager. Test-generation of
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An automated nightly tests release system, with a config filter applied, is being considered as implementation needs mature.
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## Table of contents
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<!-- START doctoc generated TOC please keep comment here to allow auto update -->
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<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
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- [How to run generators](#how-to-run-generators)
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- [Cleaning](#cleaning)
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- [Running all test generators](#running-all-test-generators)
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- [Running a single generator](#running-a-single-generator)
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- [Developing a generator](#developing-a-generator)
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- [How to add a new test generator](#how-to-add-a-new-test-generator)
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- [How to remove a test generator](#how-to-remove-a-test-generator)
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<!-- END doctoc generated TOC please keep comment here to allow auto update -->
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## How to run generators
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Prerequisites:
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@ -101,7 +101,7 @@ all_phases = ['phase0', 'phase1']
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def with_all_phases(fn):
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"""
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A decorator for running a test wil every phase
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A decorator for running a test with every phase
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"""
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return with_phases(all_phases)(fn)
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@ -344,7 +344,7 @@ class BaseList(list, Elements):
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return super().__iter__()
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def last(self):
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# be explict about getting the last item, for the non-python readers, and negative-index safety
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# be explicit about getting the last item, for the non-python readers, and negative-index safety
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return self[len(self) - 1]
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@ -222,7 +222,7 @@ def test_bytesn_subclass():
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def test_uint_math():
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assert uint8(0) + uint8(uint32(16)) == uint8(16) # allow explict casting to make invalid addition valid
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assert uint8(0) + uint8(uint32(16)) == uint8(16) # allow explicit casting to make invalid addition valid
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expect_value_error(lambda: uint8(0) - uint8(1), "no underflows allowed")
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expect_value_error(lambda: uint8(1) + uint8(255), "no overflows allowed")
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