mirror of https://github.com/status-im/nim-eth.git
83 lines
2.0 KiB
Nim
83 lines
2.0 KiB
Nim
|
import
|
||
|
|
unittest, times, eth/rlp, util/json_testing
|
||
|
|
|
||
|
|
type
|
||
|
|
Transaction = object
|
||
|
|
amount: int
|
||
|
|
time: DateTime
|
||
|
|
sender: string
|
||
|
|
receiver: string
|
||
|
|
|
||
|
|
Foo = object
|
||
|
|
x: uint64
|
||
|
|
y: string
|
||
|
|
z: seq[int]
|
||
|
|
|
||
|
|
Bar = object
|
||
|
|
b: string
|
||
|
|
f: Foo
|
||
|
|
|
||
|
|
CompressedFoo = object
|
||
|
|
|
||
|
|
CustomSerialized = object
|
||
|
|
customFoo {.rlpCustomSerialization.}: Foo
|
||
|
|
ignored {.rlpIgnore.}: int
|
||
|
|
|
||
|
|
rlpFields Foo,
|
||
|
|
x, y, z
|
||
|
|
|
||
|
|
rlpFields Transaction,
|
||
|
|
sender, receiver, amount
|
||
|
|
|
||
|
|
proc default(T: typedesc): T = discard
|
||
|
|
|
||
|
|
proc append*(rlpWriter: var RlpWriter, holder: CustomSerialized, f: Foo) =
|
||
|
|
rlpWriter.append(f.x)
|
||
|
|
rlpWriter.append(f.y.len)
|
||
|
|
rlpWriter.append(holder.ignored)
|
||
|
|
|
||
|
|
proc read*(rlp: var Rlp, holder: var CustomSerialized, T: type Foo): Foo =
|
||
|
|
result.x = rlp.read(uint64)
|
||
|
|
result.y = newString(rlp.read(int))
|
||
|
|
holder.ignored = rlp.read(int) * 2
|
||
|
|
|
||
|
|
test "encoding and decoding an object":
|
||
|
|
var originalBar = Bar(b: "abracadabra",
|
||
|
|
f: Foo(x: 5'u64, y: "hocus pocus", z: @[100, 200, 300]))
|
||
|
|
|
||
|
|
var bytes = encode(originalBar)
|
||
|
|
var r = rlpFromBytes(bytes.toRange)
|
||
|
|
var restoredBar = r.read(Bar)
|
||
|
|
|
||
|
|
check:
|
||
|
|
originalBar == restoredBar
|
||
|
|
|
||
|
|
var t1 = Transaction(time: now(), amount: 1000, sender: "Alice", receiver: "Bob")
|
||
|
|
bytes = encode(t1)
|
||
|
|
var t2 = bytes.decode(Transaction)
|
||
|
|
|
||
|
|
check:
|
||
|
|
bytes.hexRepr == "cd85416c69636583426f628203e8" # verifies that Alice comes first
|
||
|
|
t2.time == default(DateTime)
|
||
|
|
t2.sender == "Alice"
|
||
|
|
t2.receiver == "Bob"
|
||
|
|
t2.amount == 1000
|
||
|
|
|
||
|
|
test "custom field serialization":
|
||
|
|
var origVal = CustomSerialized(customFoo: Foo(x: 10'u64, y: "y", z: @[]), ignored: 5)
|
||
|
|
var bytes = encode(origVal)
|
||
|
|
var r = rlpFromBytes(bytes.toRange)
|
||
|
|
var restored = r.read(CustomSerialized)
|
||
|
|
|
||
|
|
check:
|
||
|
|
origVal.customFoo.x == restored.customFoo.x
|
||
|
|
origVal.customFoo.y.len == restored.customFoo.y.len
|
||
|
|
restored.ignored == 10
|
||
|
|
|
||
|
|
test "RLP fields count":
|
||
|
|
check:
|
||
|
|
Bar.rlpFieldsCount == 2
|
||
|
|
Foo.rlpFieldsCount == 3
|
||
|
|
Transaction.rlpFieldsCount == 3
|
||
|
|
|