mirror of https://github.com/status-im/nim-eth.git
29 lines
966 B
Nim
29 lines
966 B
Nim
|
import
|
||
|
|
eth/rlp, ranges/typedranges, nimcrypto/hash
|
||
|
|
|
||
|
|
export
|
||
|
|
typedranges, Bytes
|
||
|
|
|
||
|
|
type
|
||
|
|
KeccakHash* = MDigest[256]
|
||
|
|
BytesContainer* = ByteRange | Bytes | string
|
||
|
|
|
||
|
|
const
|
||
|
|
zeroBytesRange* = ByteRange()
|
||
|
|
blankStringHash* = "c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470".toDigest
|
||
|
|
emptyRlp* = @[128.byte]
|
||
|
|
emptyRlpHash* = "56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421".toDigest
|
||
|
|
|
||
|
|
proc read*(rlp: var Rlp, T: typedesc[MDigest]): T {.inline.} =
|
||
|
|
result.data = rlp.read(type(result.data))
|
||
|
|
|
||
|
|
proc append*(rlpWriter: var RlpWriter, a: MDigest) {.inline.} =
|
||
|
|
rlpWriter.append(a.data)
|
||
|
|
|
||
|
|
proc unnecessary_OpenArrayToRange*(key: openarray[byte]): ByteRange =
|
||
|
|
## XXX: The name of this proc is intentionally long, because it
|
||
|
|
## performs a memory allocation and data copying that may be eliminated
|
||
|
|
## in the future. Avoid renaming it to something similar as `toRange`, so
|
||
|
|
## it can remain searchable in the code.
|
||
|
|
toRange(@key)
|