Add Pyrmont testnet (#1904)

## Issue Addressed

NA

## Proposed Changes

- Replace Zinken with Pyrmont (Zinken has been sun-setted).
- Ensure Mainnet is build in the build script.

## Additional Info

NA

common/eth2_testnet_config/built_in_testnet_configs/pyrmont/boot_enr.yaml

@@ -0,0 +1,4 @@
+# @protolambda bootnode 1
+- enr:-Ku4QOA5OGWObY8ep_x35NlGBEj7IuQULTjkgxC_0G1AszqGEA0Wn2RNlyLFx9zGTNB1gdFBA6ZDYxCgIza1uJUUOj4Dh2F0dG5ldHOIAAAAAAAAAACEZXRoMpDVTPWXAAAgCf__________gmlkgnY0gmlwhDQPSjiJc2VjcDI1NmsxoQM6yTQB6XGWYJbI7NZFBjp4Yb9AYKQPBhVrfUclQUobb4N1ZHCCIyg
+# @protolambda bootnode 2
+- enr:-Ku4QOksdA2tabOGrfOOr6NynThMoio6Ggka2oDPqUuFeWCqcRM2alNb8778O_5bK95p3EFt0cngTUXm2H7o1jkSJ_8Dh2F0dG5ldHOIAAAAAAAAAACEZXRoMpDVTPWXAAAgCf__________gmlkgnY0gmlwhDaa13aJc2VjcDI1NmsxoQKdNQJvnohpf0VO0ZYCAJxGjT0uwJoAHbAiBMujGjK0SoN1ZHCCIyg

common/eth2_testnet_config/built_in_testnet_configs/pyrmont/config.yaml

@@ -0,0 +1,154 @@
+# Pyrmont preset
+CONFIG_NAME: "pyrmont"
+
+# Misc
+# ---------------------------------------------------------------
+# 2**6 (= 64)
+MAX_COMMITTEES_PER_SLOT: 64
+# 2**7 (= 128)
+TARGET_COMMITTEE_SIZE: 128
+# 2**11 (= 2,048)
+MAX_VALIDATORS_PER_COMMITTEE: 2048
+# 2**2 (= 4)
+MIN_PER_EPOCH_CHURN_LIMIT: 4
+# 2**16 (= 65,536)
+CHURN_LIMIT_QUOTIENT: 65536
+# See issue 563
+SHUFFLE_ROUND_COUNT: 90
+# `2**14` (= 16,384)
+MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 16384
+# Nov 18, 2020, 12pm UTC
+MIN_GENESIS_TIME: 1605700800
+# 4
+HYSTERESIS_QUOTIENT: 4
+# 1 (minus 0.25)
+HYSTERESIS_DOWNWARD_MULTIPLIER: 1
+# 5 (plus 1.25)
+HYSTERESIS_UPWARD_MULTIPLIER: 5
+
+
+# Fork Choice
+# ---------------------------------------------------------------
+# 2**3 (= 8)
+SAFE_SLOTS_TO_UPDATE_JUSTIFIED: 8
+
+
+# Validator
+# ---------------------------------------------------------------
+# 2**11 (= 2,048)
+ETH1_FOLLOW_DISTANCE: 2048
+# 2**4 (= 16)
+TARGET_AGGREGATORS_PER_COMMITTEE: 16
+# 2**0 (= 1)
+RANDOM_SUBNETS_PER_VALIDATOR: 1
+# 2**8 (= 256)
+EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION: 256
+# 14 (estimate from Eth1 mainnet)
+SECONDS_PER_ETH1_BLOCK: 14
+
+
+# Deposit contract
+# ---------------------------------------------------------------
+# Ethereum Goerli testnet
+DEPOSIT_CHAIN_ID: 5
+DEPOSIT_NETWORK_ID: 5
+# Pyrmont test deposit contract on Goerli (2nd edition, 0x00002009 fork version)
+DEPOSIT_CONTRACT_ADDRESS: 0x8c5fecdC472E27Bc447696F431E425D02dd46a8c
+
+
+# Gwei values
+# ---------------------------------------------------------------
+# 2**0 * 10**9 (= 1,000,000,000) Gwei
+MIN_DEPOSIT_AMOUNT: 1000000000
+# 2**5 * 10**9 (= 32,000,000,000) Gwei
+MAX_EFFECTIVE_BALANCE: 32000000000
+# 2**4 * 10**9 (= 16,000,000,000) Gwei
+EJECTION_BALANCE: 16000000000
+# 2**0 * 10**9 (= 1,000,000,000) Gwei
+EFFECTIVE_BALANCE_INCREMENT: 1000000000
+
+
+# Initial values
+# ---------------------------------------------------------------
+# Pyrmont area code
+GENESIS_FORK_VERSION: 0x00002009
+BLS_WITHDRAWAL_PREFIX: 0x00
+
+
+# Time parameters
+# ---------------------------------------------------------------
+# Customized for Pyrmont: 432000 seconds (5 days)
+GENESIS_DELAY: 432000
+# 12 seconds
+SECONDS_PER_SLOT: 12
+# 2**0 (= 1) slots 12 seconds
+MIN_ATTESTATION_INCLUSION_DELAY: 1
+# 2**5 (= 32) slots 6.4 minutes
+SLOTS_PER_EPOCH: 32
+# 2**0 (= 1) epochs 6.4 minutes
+MIN_SEED_LOOKAHEAD: 1
+# 2**2 (= 4) epochs 25.6 minutes
+MAX_SEED_LOOKAHEAD: 4
+# 2**6 (= 64) epochs ~6.8 hours
+EPOCHS_PER_ETH1_VOTING_PERIOD: 64
+# 2**13 (= 8,192) slots ~13 hours
+SLOTS_PER_HISTORICAL_ROOT: 8192
+# 2**8 (= 256) epochs ~27 hours
+MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
+# 2**8 (= 256) epochs ~27 hours
+SHARD_COMMITTEE_PERIOD: 256
+# 2**2 (= 4) epochs 25.6 minutes
+MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4
+
+
+# State vector lengths
+# ---------------------------------------------------------------
+# 2**16 (= 65,536) epochs ~0.8 years
+EPOCHS_PER_HISTORICAL_VECTOR: 65536
+# 2**13 (= 8,192) epochs ~36 days
+EPOCHS_PER_SLASHINGS_VECTOR: 8192
+# 2**24 (= 16,777,216) historical roots, ~26,131 years
+HISTORICAL_ROOTS_LIMIT: 16777216
+# 2**40 (= 1,099,511,627,776) validator spots
+VALIDATOR_REGISTRY_LIMIT: 1099511627776
+
+
+# Reward and penalty quotients
+# ---------------------------------------------------------------
+# 2**6 (= 64)
+BASE_REWARD_FACTOR: 64
+# 2**9 (= 512)
+WHISTLEBLOWER_REWARD_QUOTIENT: 512
+# 2**3 (= 8)
+PROPOSER_REWARD_QUOTIENT: 8
+# 2**26 (= 67,108,864)
+INACTIVITY_PENALTY_QUOTIENT: 67108864
+# 2**7 (= 128) (lower safety margin at Phase 0 genesis)
+MIN_SLASHING_PENALTY_QUOTIENT: 128
+# 1 (lower safety margin at Phase 0 genesis)
+PROPORTIONAL_SLASHING_MULTIPLIER: 1
+
+
+# Max operations per block
+# ---------------------------------------------------------------
+# 2**4 (= 16)
+MAX_PROPOSER_SLASHINGS: 16
+# 2**1 (= 2)
+MAX_ATTESTER_SLASHINGS: 2
+# 2**7 (= 128)
+MAX_ATTESTATIONS: 128
+# 2**4 (= 16)
+MAX_DEPOSITS: 16
+# 2**4 (= 16)
+MAX_VOLUNTARY_EXITS: 16
+
+
+# Signature domains
+# ---------------------------------------------------------------
+DOMAIN_BEACON_PROPOSER: 0x00000000
+DOMAIN_BEACON_ATTESTER: 0x01000000
+DOMAIN_RANDAO: 0x02000000
+DOMAIN_DEPOSIT: 0x03000000
+DOMAIN_VOLUNTARY_EXIT: 0x04000000
+DOMAIN_SELECTION_PROOF: 0x05000000
+DOMAIN_AGGREGATE_AND_PROOF: 0x06000000

common/eth2_testnet_config/built_in_testnet_configs/pyrmont/deploy_block.txt

@@ -0,0 +1 @@
+3743587

common/eth2_testnet_config/built_in_testnet_configs/pyrmont/deposit_contract.txt

@@ -0,0 +1 @@
+0x8c5fecdC472E27Bc447696F431E425D02dd46a8c

common/eth2_testnet_config/built_in_testnet_configs/zinken/boot_enr.yaml

@@ -1,4 +0,0 @@
-- enr:-KG4QHPtVnKHEOkEJT1f5C6Hs-C_c4SlipTfkPrDIikLTzhqA_3m6bTq-CirsljlVP4IJybXelHE7J3l9DojR14_ZHUGhGV0aDKQ2jUIggAAAAP__________4JpZIJ2NIJpcIQSv2qciXNlY3AyNTZrMaECi_CNPDkKPilhimY7aEY-mBtSzI8AKMDvvv_I2Un74_qDdGNwgiMog3VkcIIjKA
-- enr:-Ku4QH63huZ12miIY0kLI9dunG5fwKpnn-zR3XyA_kH6rQpRD1VoyLyzIcFysCJ09JDprdX-EzXp-Nc8swYqBznkXggBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpDaNQiCAAAAA___________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQILqxBY-_SF8o_5FjFD3yM92s50zT_ciFi8hStde5AEjIN1ZHCCH0A
-- enr:-Ku4QMGGAuQO8NPhYCz29wsahrFR-betfxKx6ltyzLUM70yJWoaRjJZ-n1Oiof2PiKnzjVG1n6RoyO4ZNJkQtqEkqNkBh2F0dG5ldHOIAAAAAAAAAACEZXRoMpDaNQiCAAAAA___________gmlkgnY0gmlwhDZUyU6Jc2VjcDI1NmsxoQNMOowBnXeUYjK71_Zz78j3y7EYKSXH9ZGhYB4wB6V8lIN1ZHCCIyg
-- enr:-KG4QDCt7b_zpzEoKEATUYgvdfBy28DCtGs54E4U_IIKd5e1Pj71nUAJKqdNjjqH5L8wNVsGNI67dzX5_ATfVMHQ7ygChGV0aDKQufleewAAAAP__________4JpZIJ2NIJpcIQ0ECjWiXNlY3AyNTZrMaEC64bJmIc-R6ynv5PqUqMBjblHILK46WWi4bbXO9DAGbeDdGNwgiMog3VkcIIjKA

common/eth2_testnet_config/built_in_testnet_configs/zinken/config.yaml

@@ -1,60 +0,0 @@
-CONFIG_NAME: "zinken"
-MAX_COMMITTEES_PER_SLOT: 64
-TARGET_COMMITTEE_SIZE: 128
-MAX_VALIDATORS_PER_COMMITTEE: 2048
-MIN_PER_EPOCH_CHURN_LIMIT: 4
-CHURN_LIMIT_QUOTIENT: 65536
-SHUFFLE_ROUND_COUNT: 90
-MIN_GENESIS_ACTIVE_VALIDATOR_COUNT: 1024
-MIN_GENESIS_TIME: 1602504000
-HYSTERESIS_QUOTIENT: 4
-HYSTERESIS_DOWNWARD_MULTIPLIER: 1
-HYSTERESIS_UPWARD_MULTIPLIER: 5
-PROPORTIONAL_SLASHING_MULTIPLIER: 3
-SAFE_SLOTS_TO_UPDATE_JUSTIFIED: 8
-ETH1_FOLLOW_DISTANCE: 1024
-TARGET_AGGREGATORS_PER_COMMITTEE: 16
-RANDOM_SUBNETS_PER_VALIDATOR: 1
-EPOCHS_PER_RANDOM_SUBNET_SUBSCRIPTION: 256
-SECONDS_PER_ETH1_BLOCK: 14
-DEPOSIT_CHAIN_ID: 5
-DEPOSIT_NETWORK_ID: 5
-DEPOSIT_CONTRACT_ADDRESS: 0x99F0Ec06548b086E46Cb0019C78D0b9b9F36cD53
-MIN_DEPOSIT_AMOUNT: 1000000000
-MAX_EFFECTIVE_BALANCE: 32000000000
-EJECTION_BALANCE: 16000000000
-EFFECTIVE_BALANCE_INCREMENT: 1000000000
-GENESIS_FORK_VERSION: 0x00000003
-BLS_WITHDRAWAL_PREFIX: 0x00
-GENESIS_DELAY: 345600
-SECONDS_PER_SLOT: 12
-MIN_ATTESTATION_INCLUSION_DELAY: 1
-SLOTS_PER_EPOCH: 32
-MIN_SEED_LOOKAHEAD: 1
-MAX_SEED_LOOKAHEAD: 4
-EPOCHS_PER_ETH1_VOTING_PERIOD: 32
-SLOTS_PER_HISTORICAL_ROOT: 8192
-MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
-SHARD_COMMITTEE_PERIOD: 256
-MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4
-EPOCHS_PER_HISTORICAL_VECTOR: 65536
-EPOCHS_PER_SLASHINGS_VECTOR: 8192
-HISTORICAL_ROOTS_LIMIT: 16777216
-VALIDATOR_REGISTRY_LIMIT: 1099511627776
-BASE_REWARD_FACTOR: 64
-WHISTLEBLOWER_REWARD_QUOTIENT: 512
-PROPOSER_REWARD_QUOTIENT: 8
-INACTIVITY_PENALTY_QUOTIENT: 16777216
-MIN_SLASHING_PENALTY_QUOTIENT: 32
-MAX_PROPOSER_SLASHINGS: 16
-MAX_ATTESTER_SLASHINGS: 2
-MAX_ATTESTATIONS: 128
-MAX_DEPOSITS: 16
-MAX_VOLUNTARY_EXITS: 16
-DOMAIN_BEACON_PROPOSER: 0x00000000
-DOMAIN_BEACON_ATTESTER: 0x01000000
-DOMAIN_RANDAO: 0x02000000
-DOMAIN_DEPOSIT: 0x03000000
-DOMAIN_VOLUNTARY_EXIT: 0x04000000
-DOMAIN_SELECTION_PROOF: 0x05000000
-DOMAIN_AGGREGATE_AND_PROOF: 0x06000000

common/eth2_testnet_config/built_in_testnet_configs/zinken/deploy_block.txt

@@ -1 +0,0 @@
-3488417

common/eth2_testnet_config/built_in_testnet_configs/zinken/deposit_contract.txt

@@ -1 +0,0 @@
-0x99F0Ec06548b086E46Cb0019C78D0b9b9F36cD53