You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.8 KiB
92 lines
2.8 KiB
7 years ago
|
defmodule Explorer.FetcherTest do
|
||
|
|
use Explorer.DataCase
|
||
|
|
|
||
|
|
alias Explorer.Block
|
||
|
|
alias Explorer.Repo
|
||
|
|
alias Explorer.Fetcher
|
||
|
|
|
||
|
|
describe "fetch/1" do
|
||
|
|
test "the latest block is copied over from the blockchain" do
|
||
|
|
use_cassette "fetcher_fetch" do
|
||
|
|
Fetcher.fetch("0x89923")
|
||
|
|
|
||
|
|
last_block = Block
|
||
|
|
|> order_by(desc: :inserted_at)
|
||
|
|
|> limit(1)
|
||
|
|
|> Repo.all
|
||
|
|
|> List.first
|
||
|
|
|
||
|
|
assert last_block.number == 563491
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe "download_block/1" do
|
||
|
|
test "returns a block for a given block number" do
|
||
|
|
use_cassette "fetcher_download_block" do
|
||
|
|
assert Fetcher.download_block("0x89923")["hash"] == "0x342878f5a2c06bc6146f9440910bab9c5ddae5dbd13c9a01d8adaf51ff5593ae"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe "extract_block/1" do
|
||
|
|
def raw_block(nonce \\ %{}) do
|
||
|
|
Map.merge(%{
|
||
|
|
"difficulty" => "0xfffffffffffffffffffffffffffffffe",
|
||
|
|
"gasLimit" => "0x02",
|
||
|
|
"gasUsed" => "0x19522",
|
||
|
|
"hash" => "bananas",
|
||
|
|
"miner" => "0xdb1207770e0a4258d7a4ce49ab037f92564fea85",
|
||
|
|
"number" => "0x7f2fb",
|
||
|
|
"parentHash" => "0x70029f66ea5a3b2b1ede95079d95a2ab74b649b5b17cdcf6f29b6317e7c7efa6",
|
||
|
|
"size" => "0x10",
|
||
|
|
"timestamp" => "0x12",
|
||
|
|
"totalDifficulty" => "0xff",
|
||
|
|
}, nonce)
|
||
|
|
end
|
||
|
|
|
||
|
|
test "returns the struct of a block" do
|
||
|
|
processed_block = %Block{
|
||
|
|
difficulty: 340282366920938463463374607431768211454,
|
||
|
|
gas_limit: 2,
|
||
|
|
gas_used: 103714,
|
||
|
|
hash: "bananas",
|
||
|
|
nonce: "0xfb6e1a62d119228b",
|
||
|
|
miner: "0xdb1207770e0a4258d7a4ce49ab037f92564fea85",
|
||
|
|
number: 520955,
|
||
|
|
parent_hash: "0x70029f66ea5a3b2b1ede95079d95a2ab74b649b5b17cdcf6f29b6317e7c7efa6",
|
||
|
|
size: 16,
|
||
|
|
timestamp: Timex.parse!("1970-01-01T00:00:18-00:00", "{ISO:Extended}"),
|
||
|
|
total_difficulty: 255,
|
||
|
|
}
|
||
|
|
assert Fetcher.extract_block(raw_block(%{"nonce" => "0xfb6e1a62d119228b"})) == processed_block
|
||
|
|
end
|
||
|
|
|
||
|
|
test "when there is no nonce" do
|
||
|
|
assert Fetcher.extract_block(raw_block()).nonce == "0"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe "decode_integer_field/1" do
|
||
|
|
test "returns the integer value of a hex value" do
|
||
|
|
assert(Fetcher.decode_integer_field("0x7f2fb") == 520955)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe "decode_time_field/1" do
|
||
|
|
test "returns the date value of a hex value" do
|
||
|
|
the_seventies = Timex.parse!("1970-01-01T00:00:18-00:00", "{ISO:Extended}")
|
||
|
|
assert(Fetcher.decode_time_field("0x12") == the_seventies)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe "validate_block/1" do
|
||
|
|
test "returns a valid changeset for an extracted block" do
|
||
|
|
use_cassette "fetcher_validate_block" do
|
||
|
|
changeset = Fetcher.download_block("0x89923") |> Fetcher.extract_block |> Fetcher.validate_block
|
||
|
|
assert(changeset.valid?)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|