Module:TwitterSnowflake/gen - Revision history

Elli: update function

2021-01-20T19:37:37Z

update function

← Previous revision		Revision as of 19:37, 20 January 2021
Line 13:		Line 13:
	function p.getSnowflake()		function p.getSnowflake()
	local sequence = "000000000000" -- 12 sequence bits		local sequence = "000000000000" -- 12 sequence bits
	local shard = "~~0000000010~~" -- 10 shard bits		local shard = "0000000000" -- 10 shard bits
	local epoch = 1288834974		local epoch = 1288834974
	local time = os.time()		local time = os.time()
	local timestamp = time - epoch		local timestamp = time - epoch
	local timestampbinary = numberToBinStr(timestamp * 1000) -- lua only provides time in ~~seconds,~~ ~~grr~~		local timestampbinary = numberToBinStr(timestamp..math.random(0,9)..math.random(0,9)..math.random(0,9)) -- lua only provides time, so we append three random digits as "milliseconds"
	local snowflakebinary = timestampbinary .. shard .. sequence		local snowflakebinary = timestampbinary .. shard .. sequence
	return string.format("%18.0f",tonumber(snowflakebinary,2))		return string.format("%18.0f",tonumber(snowflakebinary,2))

Elli at 19:34, 20 January 2021

2021-01-20T19:34:33Z

← Previous revision		Revision as of 19:34, 20 January 2021
Line 13:		Line 13:
	function p.getSnowflake()		function p.getSnowflake()
	local sequence = "000000000000" -- 12 sequence bits		local sequence = "000000000000" -- 12 sequence bits
	local shard = "~~0000000000~~" -- 10 shard bits		local shard = "0000000010" -- 10 shard bits
	local epoch = 1288834974		local epoch = 1288834974
	local time = os.time()		local time = os.time()

Elli at 02:53, 20 January 2021

2021-01-20T02:53:42Z

← Previous revision		Revision as of 02:53, 20 January 2021
Line 19:		Line 19:
	local timestampbinary = numberToBinStr(timestamp * 1000) -- lua only provides time in seconds, grr		local timestampbinary = numberToBinStr(timestamp * 1000) -- lua only provides time in seconds, grr
	local snowflakebinary = timestampbinary .. shard .. sequence		local snowflakebinary = timestampbinary .. shard .. sequence
	return tonumber(snowflakebinary,2)		return string.format("%18.0f",tonumber(snowflakebinary,2))
	end		end

Elli at 02:53, 20 January 2021

2021-01-20T02:53:00Z

← Previous revision		Revision as of 02:53, 20 January 2021
Line 17:		Line 17:
	local time = os.time()		local time = os.time()
	local timestamp = time - epoch		local timestamp = time - epoch
	local ~~timestampms~~ = timestamp * 1000 -- lua only provides time in seconds, grr		local timestampbinary = numberToBinStr(timestamp * 1000) -- lua only provides time in seconds, grr
	local snowflakebinary = ~~timestampms~~ .. shard .. sequence		local snowflakebinary = timestampbinary .. shard .. sequence
	return tonumber(snowflakebinary,2)		return tonumber(snowflakebinary,2)
	end		end

Elli: create module

2021-01-20T02:49:30Z

create module

New page

local p = {}

local function numberToBinStr(x)
ret=""
while x~=1 and x~=0 do
ret=tostring(x%2)..ret
x=math.modf(x/2)
end
ret=tostring(x)..ret
return ret
end

function p.getSnowflake()
local sequence = "000000000000" -- 12 sequence bits
local shard = "0000000000" -- 10 shard bits
local epoch = 1288834974
local time = os.time()
local timestamp = time - epoch
local timestampms = timestamp * 1000 -- lua only provides time in seconds, grr
local snowflakebinary = timestampms .. shard .. sequence
return tonumber(snowflakebinary,2)
end

return p