Blockchain explorer for Ethereum based network and a tool for inspecting and analyzing EVM based blockchains.
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blockscout/apps/explorer/priv/repo/migrations/20180212222309_create_logs.exs

39 lines
1.1 KiB

defmodule Explorer.Repo.Migrations.CreateLogs do
use Ecto.Migration
def change do
create table(:logs) do
add(:data, :bytea, null: false)
add(:index, :integer, null: false)
# Parity supplies it; Geth does not.
add(:type, :string, null: true)
add(:first_topic, :string, null: true)
add(:second_topic, :string, null: true)
add(:third_topic, :string, null: true)
add(:fourth_topic, :string, null: true)
timestamps(null: false, type: :utc_datetime)
add(:address_hash, references(:addresses, column: :hash, on_delete: :delete_all, type: :bytea), null: true)
add(
:transaction_hash,
references(:transactions, column: :hash, on_delete: :delete_all, type: :bytea),
null: false
)
end
create(index(:logs, :address_hash))
create(index(:logs, :transaction_hash))
create(index(:logs, :index))
create(index(:logs, :type))
create(index(:logs, :first_topic))
create(index(:logs, :second_topic))
create(index(:logs, :third_topic))
create(index(:logs, :fourth_topic))
create(unique_index(:logs, [:transaction_hash, :index]))
end
end