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nimbus-eth1
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use stew/endians2/fromBytesLE to parse uint32

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andri lim 2020-04-21 17:19:31 +07:00
parent 8ab61abacd
commit 2a4228c7a7
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1 changed files with 4 additions and 5 deletions
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9
stateless/tree_from_witness.nim
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@ -1,4 +1,4 @@
import faststreams/input_stream, eth/common, stint
import faststreams/input_stream, eth/common, stint, stew/endians2
type
TrieNodeType = enum
@ -16,6 +16,7 @@ type
func constructBranchMask(b1, b2: byte): uint {.inline.} =
uint(b1) shl 8 or uint(b2)
assert(result > 0)
proc setBranchMaskBit(x: var uint, i: int) {.inline.} =
assert(i >= 0 and i < 16)
@ -29,10 +30,8 @@ template readByte(t: var TreeBuilder): byte =
t.input.read
proc readU32(t: var TreeBuilder): int =
result = t.input.read.int
result = result or (t.input.read.int shl 8)
result = result or (t.input.read.int shl 16)
result = result or (t.input.read.int shl 24)
# TODO: what if the value overflow int32.high?
result = fromBytesLE(uint32, t.input.readBytes(4)).int
proc branchNode(t: var TreeBuilder, depth: int)
proc extensionNode(t: var TreeBuilder, depth: int)