fix(proposer_slashing): verify_signature as bool instead of ?bool

Author: spiral-ladder

src/state_transition/block/process_proposer_slashing.zig

@@ -7,13 +7,21 @@ const getProposerSlashingSignatureSets = @import("../signature_sets/proposer_sla
 const verifySignature = @import("../utils/signature_sets.zig").verifySingleSignatureSet;
 const slashValidator = @import("./slash_validator.zig").slashValidator;
 
-pub fn processProposerSlashing(cached_state: *const CachedBeaconStateAllForks, proposer_slashing: *const ProposerSlashing, verify_signatures: ?bool) !void {
+pub fn processProposerSlashing(
+    cached_state: *const CachedBeaconStateAllForks,
+    proposer_slashing: *const ProposerSlashing,
+    verify_signatures: bool,
+) !void {
     try assertValidProposerSlashing(cached_state, proposer_slashing, verify_signatures);
     const proposer_index = proposer_slashing.signed_header_1.message.proposer_index;
     try slashValidator(cached_state, proposer_index, null);
 }
 
-pub fn assertValidProposerSlashing(cached_state: *const CachedBeaconStateAllForks, proposer_slashing: *const ProposerSlashing, verify_signature: ?bool) !void {
+pub fn assertValidProposerSlashing(
+    cached_state: *const CachedBeaconStateAllForks,
+    proposer_slashing: *const ProposerSlashing,
+    verify_signature: bool,
+) !void {
     const state = cached_state.state;
     const epoch_cache = cached_state.getEpochCache();
     const header_1 = proposer_slashing.signed_header_1.message;
@@ -41,7 +49,7 @@ pub fn assertValidProposerSlashing(cached_state: *const CachedBeaconStateAllFork
     }
 
     // verify signatures
-    if (verify_signature orelse false) {
+    if (verify_signature) {
         const signature_sets = try getProposerSlashingSignatureSets(cached_state, proposer_slashing);
         if (!try verifySignature(&signature_sets[0]) or !try verifySignature(&signature_sets[1])) {
             return error.InvalidProposerSlashingSignature;