fix: generate config on the go

package.json

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+{
+  "packageManager": "yarn@4.5.2"
+}

spartan/LICENSE

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spartan/aztec-network/docker-compose.yml

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+# A test docker compose file to get the consensus network up and running

spartan/aztec-network/eth-devnet/README.md

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+## Eth Devnet
+
+### Usage
+
+```bash
+./create.sh
+```
+
+## Args
+
+TODO:
+
+- add the deployment mnemonic etc
+
+---
+
+Generating an Ethereum testnet requires a few ingredients:
+
+## Genesis.json file
+
+The genesis.json file configures the initial state of the execution layer, it defines what accounts are preloaded with what balances, what hardforks are active etc.
+In this case the most important values to set are the deposit contract (ensuring that it is filled with empty state ( and an empty deposit tree )), and the allocation accounts we would like to have preloaded with funds.
+
+## Config.yaml
+
+The config.yaml file is used to configure a beacon chain client. It configures what contract address the deposit contract should be read on, as well as configuring when hardforks should be activated.
+
+## Genesis.ssz
+
+This file contains the state of the beacon chain at the genesis block, and it is used to bootstrap the network, such as the validator registry at the time of genesis, the deposit root from eth1 at the time of genesis etc.
+
+## Other files
+
+### Jwt secret
+
+The jwt secret is used to authenticate the beacon chain client to the execution layer.
+The execution api ports should not be exposed to the open internet.

spartan/aztec-network/eth-devnet/config/config.yaml

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+# Minimal config - from github.com/ethereum-optimism/optimism
+
+# Extends the minimal preset
+PRESET_BASE: "minimal"
+
+# Free-form short name of the network that this configuration applies to - known
+# canonical network names include:
+# * 'mainnet' - there can be only one
+# * 'prater' - testnet
+# Must match the regex: [a-z0-9\-]
+CONFIG_NAME: "minimal"
+
+# Transition
+# ---------------------------------------------------------------
+# 2**256-2**10 for testing minimal network
+TERMINAL_TOTAL_DIFFICULTY: 115792089237316195423570985008687907853269984665640564039457584007913129638912
+# By default, don't use these params
+TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000
+TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615
+
+# Genesis
+# ---------------------------------------------------------------
+# [customized]
+MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 64
+# Jan 3, 2020
+MIN_GENESIS_TIME: 1578009600
+# Highest byte set to 0xFF, this is dev network
+GENESIS_FORK_VERSION: 0x000000FF
+# [customized] don't wait with genesis if we don't have to
+GENESIS_DELAY: 0
+
+# Forking
+# ---------------------------------------------------------------
+# Values provided for illustrative purposes.
+# Individual tests/testnets may set different values.
+
+# Altair
+ALTAIR_FORK_VERSION: 0x01000001
+ALTAIR_FORK_EPOCH: 0
+# Bellatrix
+BELLATRIX_FORK_VERSION: 0x02000001
+BELLATRIX_FORK_EPOCH: 0
+# Capella
+CAPELLA_FORK_VERSION: 0x03000001
+CAPELLA_FORK_EPOCH: 0
+# DENEB
+DENEB_FORK_VERSION: 0x04000001
+DENEB_FORK_EPOCH: 0
+
+# EIP6110
+EIP6110_FORK_VERSION: 0x05000001
+EIP6110_FORK_EPOCH: 18446744073709551615
+# EIP7002
+EIP7002_FORK_VERSION: 0x05000001
+EIP7002_FORK_EPOCH: 18446744073709551615
+# WHISK
+WHISK_FORK_VERSION: 0x06000001
+WHISK_FORK_EPOCH: 18446744073709551615
+
+# Time parameters
+# ---------------------------------------------------------------
+# [customized] Faster for testing purposes
+SECONDS_PER_SLOT: 12
+# 14 (estimate from Eth1 mainnet)
+SECONDS_PER_ETH1_BLOCK: 12
+# 2**8 (= 256) epochs
+MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
+# [customized] higher frequency of committee turnover and faster time to acceptable voluntary exit
+SHARD_COMMITTEE_PERIOD: 64
+# [customized] process deposits more quickly, but insecure
+ETH1_FOLLOW_DISTANCE: 16
+
+# Validator cycle
+# ---------------------------------------------------------------
+# 2**2 (= 4)
+INACTIVITY_SCORE_BIAS: 4
+# 2**4 (= 16)
+INACTIVITY_SCORE_RECOVERY_RATE: 16
+# 2**4 * 10**9 (= 16,000,000,000) Gwei
+EJECTION_BALANCE: 16000000000
+# [customized] more easily demonstrate the difference between this value and the activation churn limit
+MIN_PER_EPOCH_CHURN_LIMIT: 2
+# [customized] scale queue churn at much lower validator counts for testing
+CHURN_LIMIT_QUOTIENT: 32
+# [New in Deneb:EIP7514] [customized]
+MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT: 4
+
+# Fork choice
+# ---------------------------------------------------------------
+# 40%
+PROPOSER_SCORE_BOOST: 40
+# 20%
+REORG_HEAD_WEIGHT_THRESHOLD: 20
+# 160%
+REORG_PARENT_WEIGHT_THRESHOLD: 160
+# `2` epochs
+REORG_MAX_EPOCHS_SINCE_FINALIZATION: 2
+
+# Deposit contract
+# ---------------------------------------------------------------
+# Local Optimism monorepo devnet
+DEPOSIT_CHAIN_ID: 1337
+DEPOSIT_NETWORK_ID: 1337
+# Configured on a per testnet basis
+DEPOSIT_CONTRACT_ADDRESS: 0x4242424242424242424242424242424242424242
+
+# Networking
+# ---------------------------------------------------------------
+# `10 * 2**20` (= 10485760, 10 MiB)
+GOSSIP_MAX_SIZE: 10485760
+# `2**10` (= 1024)
+MAX_REQUEST_BLOCKS: 1024
+# `2**8` (= 256)
+EPOCHS_PER_SUBNET_SUBSCRIPTION: 256
+# [customized] `MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2` (= 272)
+MIN_EPOCHS_FOR_BLOCK_REQUESTS: 272
+# `10 * 2**20` (=10485760, 10 MiB)
+MAX_CHUNK_SIZE: 10485760
+# 5s
+TTFB_TIMEOUT: 5
+# 10s
+RESP_TIMEOUT: 10
+ATTESTATION_PROPAGATION_SLOT_RANGE: 32
+# 500ms
+MAXIMUM_GOSSIP_CLOCK_DISPARITY: 500
+MESSAGE_DOMAIN_INVALID_SNAPPY: 0x00000000
+MESSAGE_DOMAIN_VALID_SNAPPY: 0x01000000
+# 2 subnets per node
+SUBNETS_PER_NODE: 2
+# 2**8 (= 64)
+ATTESTATION_SUBNET_COUNT: 64
+ATTESTATION_SUBNET_EXTRA_BITS: 0
+# ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS
+ATTESTATION_SUBNET_PREFIX_BITS: 6
+
+# Deneb
+# `2**7` (=128)
+MAX_REQUEST_BLOCKS_DENEB: 128
+# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK
+MAX_REQUEST_BLOB_SIDECARS: 768
+# `2**12` (= 4096 epochs, ~18 days)
+MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS: 4096
+# `6`
+BLOB_SIDECAR_SUBNET_COUNT: 6