miner

var (
	// BlockMemory is the maximum number of blocks the miner will store
	// Blocks take up to 2 megabytes of memory, which is why this number is
	// limited.
	BlockMemory = build.Select(build.Var{
		Standard: 50,
		Dev:      10,
		Testing:  5,
	}).(int)

	// HeaderMemory is the number of previous calls to 'header'
	// that are remembered. Additionally, 'header' will only poll for a
	// new block every 'headerMemory / blockMemory' times it is
	// called. This reduces the amount of memory used, but comes at the cost of
	// not always having the most recent transactions.
	HeaderMemory = build.Select(build.Var{
		Standard: 10000,
		Dev:      500,
		Testing:  50,
	}).(int)

	// MaxSourceBlockAge is the maximum amount of time that is allowed to
	// elapse between generating source blocks.
	MaxSourceBlockAge = build.Select(build.Var{
		Standard: 30 * time.Second,
		Dev:      5 * time.Second,
		Testing:  1 * time.Second,
	}).(time.Duration)
)