blockscout/apps/explorer_web/lib/phoenix/param.ex

alias Explorer.Chain.{Address, Block, Hash, Transaction}

defimpl Phoenix.Param, for: Address do
  def to_param(%@for{hash: hash}) do
    @protocol.to_param(hash)
  end
end

defimpl Phoenix.Param, for: Block do
  def to_param(%@for{number: number}) do
    to_string(number)
  end
end

defimpl Phoenix.Param, for: Hash do
  def to_param(hash) do
    to_string(hash)
  end
end

defimpl Phoenix.Param, for: Transaction do
  def to_param(%@for{hash: hash}) do
    @protocol.to_param(hash)
  end
end