Module: BlockGiven::Chains

Defined in:

lib/block_given/chain.rb

Constant Summary

MAINNET =

Chain.new(
  id: 1, name: "Ethereum", network: "mainnet",
  rpc_urls: ["https://eth.merkle.io"], block_explorer_url: "https://etherscan.io",
  alchemy_network: "eth-mainnet"
)

SEPOLIA =

Chain.new(
  id: 11_155_111, name: "Sepolia", network: "sepolia",
  rpc_urls: ["https://sepolia.drpc.org"], block_explorer_url: "https://sepolia.etherscan.io",
  alchemy_network: "eth-sepolia", testnet: true
)

BASE =

Chain.new(
  id: 8453, name: "Base", network: "base",
  rpc_urls: ["https://mainnet.base.org"], block_explorer_url: "https://basescan.org",
  alchemy_network: "base-mainnet"
)

BASE_SEPOLIA =

Chain.new(
  id: 84_532, name: "Base Sepolia", network: "base-sepolia",
  rpc_urls: ["https://sepolia.base.org"], block_explorer_url: "https://sepolia.basescan.org",
  alchemy_network: "base-sepolia", testnet: true
)

POLYGON =

Chain.new(
  id: 137, name: "Polygon", network: "polygon",
  native_currency: { name: "POL", symbol: "POL", decimals: 18 },
  rpc_urls: ["https://polygon-rpc.com"], block_explorer_url: "https://polygonscan.com",
  alchemy_network: "polygon-mainnet"
)

POLYGON_AMOY =

Chain.new(
  id: 80_002, name: "Polygon Amoy", network: "polygon-amoy",
  native_currency: { name: "POL", symbol: "POL", decimals: 18 },
  rpc_urls: ["https://rpc-amoy.polygon.technology"], block_explorer_url: "https://amoy.polygonscan.com",
  alchemy_network: "polygon-amoy", testnet: true
)

ARBITRUM =

Chain.new(
  id: 42_161, name: "Arbitrum One", network: "arbitrum",
  rpc_urls: ["https://arb1.arbitrum.io/rpc"], block_explorer_url: "https://arbiscan.io",
  alchemy_network: "arb-mainnet"
)

ARBITRUM_SEPOLIA =

Chain.new(
  id: 421_614, name: "Arbitrum Sepolia", network: "arbitrum-sepolia",
  rpc_urls: ["https://sepolia-rollup.arbitrum.io/rpc"], block_explorer_url: "https://sepolia.arbiscan.io",
  alchemy_network: "arb-sepolia", testnet: true
)

OPTIMISM =

Chain.new(
  id: 10, name: "OP Mainnet", network: "optimism",
  rpc_urls: ["https://mainnet.optimism.io"], block_explorer_url: "https://optimistic.etherscan.io",
  alchemy_network: "opt-mainnet"
)

OPTIMISM_SEPOLIA =

Chain.new(
  id: 11_155_420, name: "OP Sepolia", network: "optimism-sepolia",
  rpc_urls: ["https://sepolia.optimism.io"], block_explorer_url: "https://sepolia-optimism.etherscan.io",
  alchemy_network: "opt-sepolia", testnet: true
)

LOCALHOST =

Hardhat / Anvil / Ganache default chain, handy with a local fork.

Chain.new(
  id: 31_337, name: "Localhost", network: "localhost",
  rpc_urls: ["http://127.0.0.1:8545"], testnet: true
)

ALL =

[MAINNET, SEPOLIA, BASE, BASE_SEPOLIA, POLYGON, POLYGON_AMOY, ARBITRUM, ARBITRUM_SEPOLIA,
OPTIMISM, OPTIMISM_SEPOLIA, LOCALHOST].freeze

Class Method Summary

• .[](value) ⇒ Object
• .find_by_id(id) ⇒ Object
• .resolve(value) ⇒ Object

  Chains.resolve(:base) / Chains.resolve("base-sepolia") / Chains.resolve(8453) / Chains.resolve(chain).

Class Method Details

.[](value) ⇒ Object

# File 'lib/block_given/chain.rb', line 110

def [](value) = resolve(value)

.find_by_id(id) ⇒ Object

# File 'lib/block_given/chain.rb', line 109

def find_by_id(id) = ALL.find { |c| c.id == id }

.resolve(value) ⇒ Object

Chains.resolve(:base) / Chains.resolve("base-sepolia") / Chains.resolve(8453) / Chains.resolve(chain)

# File 'lib/block_given/chain.rb', line 98

def resolve(value)
  case value
  when Chain then value
  when Integer then find_by_id(value) || raise(ConfigurationError, "unknown chain id #{value}")
  when Symbol, String
    key = value.to_s.downcase.tr("_", "-")
    ALL.find { |c| c.network == key } || raise(ConfigurationError, "unknown chain #{value.inspect}")
  else raise ConfigurationError, "cannot resolve chain from #{value.inspect}"
  end
end