From 707fcd99cb14d7a1fc8f4427afa9ffcb29084cce Mon Sep 17 00:00:00 2001
From: Dustin Brody <tersec@users.noreply.github.com>
Date: Mon, 1 Feb 2021 12:41:27 +0100
Subject: [PATCH] remove unused beacon chain spec and test code

---
 beacon_chain/spec/datatypes.nim     |  3 ---
 beacon_chain/spec/digest.nim        |  8 +-------
 tests/mocking/mock_attestations.nim | 30 ++---------------------------
 tests/testutil.nim                  |  9 ---------
 4 files changed, 3 insertions(+), 47 deletions(-)

diff --git a/beacon_chain/spec/datatypes.nim b/beacon_chain/spec/datatypes.nim
index 9bed9c645..b51c64c04 100644
--- a/beacon_chain/spec/datatypes.nim
+++ b/beacon_chain/spec/datatypes.nim
@@ -764,9 +764,6 @@ func `[]`*[T](a: var seq[T], b: ValidatorIndex): var T =
 func `[]`*[T](a: seq[T], b: ValidatorIndex): auto =
   a[b.int]
 
-func `[]=`*[T](a: var seq[T], b: ValidatorIndex, c: T) =
-  a[b.int] = c
-
 # `ValidatorIndex` Nim integration
 proc `==`*(x, y: ValidatorIndex) : bool {.borrow, noSideEffect.}
 proc `<`*(x, y: ValidatorIndex) : bool {.borrow, noSideEffect.}
diff --git a/beacon_chain/spec/digest.nim b/beacon_chain/spec/digest.nim
index a6afb7310..afa6883ae 100644
--- a/beacon_chain/spec/digest.nim
+++ b/beacon_chain/spec/digest.nim
@@ -1,5 +1,5 @@
 # beacon_chain
-# Copyright (c) 2018-2020 Status Research & Development GmbH
+# Copyright (c) 2018-2021 Status Research & Development GmbH
 # Licensed and distributed under either of
 #   * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
 #   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
@@ -66,12 +66,6 @@ func eth2digest*(v: openArray[byte]): Eth2Digest {.noInit.} =
     ctx.update(v)
     ctx.finish()
 
-when BLS_BACKEND == BLST:
-  func update*(ctx: var BLST_SHA256_CTX; digest: Eth2Digest) =
-    ctx.update digest.data
-func update*(ctx: var sha256; digest: Eth2Digest) =
-  ctx.update digest.data
-
 template withEth2Hash*(body: untyped): Eth2Digest =
   ## This little helper will init the hash function and return the sliced
   ## hash:
diff --git a/tests/mocking/mock_attestations.nim b/tests/mocking/mock_attestations.nim
index cff17849a..58750a8af 100644
--- a/tests/mocking/mock_attestations.nim
+++ b/tests/mocking/mock_attestations.nim
@@ -15,9 +15,9 @@ import
   chronicles,
   # Specs
   ../../beacon_chain/spec/[datatypes, beaconstate, helpers, validator, crypto,
-                           signatures, state_transition, presets],
+                           signatures, presets],
   # Internals
-  ../../beacon_chain/[ssz, extras],
+  ../../beacon_chain/ssz,
   # Mocking procs
   ./mock_blocks,
   ./mock_validator_keys
@@ -113,29 +113,3 @@ proc mockAttestation*(
        state: BeaconState,
        slot: Slot): Attestation =
   mockAttestationImpl(state, slot)
-
-func fillAggregateAttestation*(state: BeaconState, attestation: var Attestation) =
-  var cache = StateCache()
-  let beacon_committee = get_beacon_committee(
-    state,
-    attestation.data.slot,
-    attestation.data.index.CommitteeIndex,
-    cache
-  )
-  for i in 0 ..< beacon_committee.len:
-    attestation.aggregation_bits[i] = true
-
-proc add*(state: var HashedBeaconState, attestation: Attestation, slot: Slot) =
-  var
-    signedBlock = mockBlockForNextSlot(state.data)
-    cache = StateCache()
-  signedBlock.message.slot = slot
-  signedBlock.message.body.attestations.add attestation
-  doAssert process_slots(state, slot, cache)
-  signMockBlock(state.data, signedBlock)
-
-  let success = state_transition(
-    defaultRuntimePreset, state, signedBlock, cache,
-    flags = {skipStateRootValidation}, noRollback)
-
-  doAssert success
diff --git a/tests/testutil.nim b/tests/testutil.nim
index f17ae90be..a3ff2f805 100644
--- a/tests/testutil.nim
+++ b/tests/testutil.nim
@@ -21,15 +21,6 @@ func preset*(): string =
   " [Preset: " & const_preset & ']'
 
 # For state_sim
-template withTimer*(stats: var RunningStat, body: untyped) =
-  let start = getMonoTime()
-
-  block:
-    body
-
-  let stop = getMonoTime()
-  stats.push (stop - start).inMicroseconds.float / 1000000.0
-
 template withTimer*(duration: var float, body: untyped) =
   let start = getMonoTime()