Contents

# Add column txin.p2sh_type and index the type of the inner p2sh script of all inputs

Sequel.migration do

  up do

    @log.info { "Running migration #{__FILE__}" }

    if @store.config[:index_p2sh_type]
      puts "Building p2sh type index..."

      add_column :txin, :p2sh_type, :int

      self[:txout].where(type: 4).each do |txout|
        tx = self[:tx][id: txout[:tx_id]]
        next  unless next_in = self[:txin][prev_out: tx[:hash].reverse, prev_out_index: txout[:tx_idx]]
        script = Bitcoin::Script.new(next_in[:script_sig], txout[:pk_script])
        if script.is_p2sh?
          inner_script = Bitcoin::Script.new(script.inner_p2sh_script)
          p2sh_type = @store.class::SCRIPT_TYPES.index(inner_script.type)
          self[:txin].where(id: next_in[:id]).update(p2sh_type: p2sh_type)
        end

      end

      add_index :txin, [:id, :p2sh_type]

    end
  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
bitcoin-ruby-0.0.6	lib/bitcoin/storage/sequel/migrations/008_add_txin_p2sh_type.rb