diff --git a/consensus/replay_test.go b/consensus/replay_test.go
index 495fc42cc..f1a060ec1 100644
--- a/consensus/replay_test.go
+++ b/consensus/replay_test.go
@@ -261,9 +261,8 @@ const (
 )
 
 var (
-	NUM_BLOCKS = 6 // number of blocks in the test_data/many_blocks.cswal
-	mempool    = types.MockMempool{}
-	evpool     = types.MockEvidencePool{}
+	mempool = types.MockMempool{}
+	evpool  = types.MockEvidencePool{}
 )
 
 //---------------------------------------
diff --git a/consensus/wal_generator.go b/consensus/wal_generator.go
index b46ef93d1..b4efb5a91 100644
--- a/consensus/wal_generator.go
+++ b/consensus/wal_generator.go
@@ -66,7 +66,8 @@ func WALWithNBlocks(numBlocks int) (data []byte, err error) {
 	}
 	defer eventBus.Stop()
 	mempool := types.MockMempool{}
-	consensusState := NewConsensusState(config.Consensus, state.Copy(), proxyApp.Consensus(), blockStore, mempool)
+	evpool := types.MockEvidencePool{}
+	consensusState := NewConsensusState(config.Consensus, state.Copy(), proxyApp.Consensus(), blockStore, mempool, evpool)
 	consensusState.SetLogger(logger)
 	consensusState.SetEventBus(eventBus)
 	if privValidator != nil {
diff --git a/evidence/pool.go b/evidence/pool.go
index 097b74a8a..821fdf3c2 100644
--- a/evidence/pool.go
+++ b/evidence/pool.go
@@ -3,14 +3,13 @@ package evidence
 import (
 	"github.com/tendermint/tmlibs/log"
 
-	cfg "github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/types"
 )
 
 // EvidencePool maintains a pool of valid evidence
 // in an EvidenceStore.
 type EvidencePool struct {
-	config *cfg.EvidenceConfig
+	params types.EvidenceParams
 	logger log.Logger
 
 	state         types.State
@@ -19,9 +18,9 @@ type EvidencePool struct {
 	evidenceChan chan types.Evidence
 }
 
-func NewEvidencePool(config *cfg.EvidenceConfig, evidenceStore *EvidenceStore, state types.State) *EvidencePool {
+func NewEvidencePool(params types.EvidenceParams, evidenceStore *EvidenceStore, state types.State) *EvidencePool {
 	evpool := &EvidencePool{
-		config:        config,
+		params:        params,
 		logger:        log.NewNopLogger(),
 		evidenceStore: evidenceStore,
 		state:         state,
diff --git a/evidence/pool_test.go b/evidence/pool_test.go
index 2908bb425..0997505ca 100644
--- a/evidence/pool_test.go
+++ b/evidence/pool_test.go
@@ -6,14 +6,13 @@ import (
 
 	"github.com/stretchr/testify/assert"
 
-	cfg "github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/types"
 	dbm "github.com/tendermint/tmlibs/db"
 )
 
 type mockState struct{}
 
-func (m mockState) VerifyEvidence(ev types.Evidence) (int, error) {
+func (m mockState) VerifyEvidence(ev types.Evidence) (int64, error) {
 	err := ev.Verify("")
 	return 10, err
 }
@@ -21,10 +20,10 @@ func (m mockState) VerifyEvidence(ev types.Evidence) (int, error) {
 func TestEvidencePool(t *testing.T) {
 	assert := assert.New(t)
 
-	config := &cfg.EvidenceConfig{}
+	params := types.EvidenceParams{}
 	store := NewEvidenceStore(dbm.NewMemDB())
 	state := mockState{}
-	pool := NewEvidencePool(config, store, state)
+	pool := NewEvidencePool(params, store, state)
 
 	goodEvidence := newMockGoodEvidence(5, 1, []byte("val1"))
 	badEvidence := MockBadEvidence{goodEvidence}
diff --git a/evidence/reactor.go b/evidence/reactor.go
index 54bc37a1d..ff502ed0c 100644
--- a/evidence/reactor.go
+++ b/evidence/reactor.go
@@ -9,7 +9,6 @@ import (
 	wire "github.com/tendermint/go-wire"
 	"github.com/tendermint/tmlibs/log"
 
-	cfg "github.com/tendermint/tendermint/config"
 	"github.com/tendermint/tendermint/p2p"
 	"github.com/tendermint/tendermint/types"
 )
@@ -24,15 +23,13 @@ const (
 // EvidenceReactor handles evpool evidence broadcasting amongst peers.
 type EvidenceReactor struct {
 	p2p.BaseReactor
-	config   *cfg.EvidenceConfig
 	evpool   *EvidencePool
 	eventBus *types.EventBus
 }
 
 // NewEvidenceReactor returns a new EvidenceReactor with the given config and evpool.
-func NewEvidenceReactor(config *cfg.EvidenceConfig, evpool *EvidencePool) *EvidenceReactor {
+func NewEvidenceReactor(evpool *EvidencePool) *EvidenceReactor {
 	evR := &EvidenceReactor{
-		config: config,
 		evpool: evpool,
 	}
 	evR.BaseReactor = *p2p.NewBaseReactor("EvidenceReactor", evR)
diff --git a/evidence/reactor_test.go b/evidence/reactor_test.go
index d6e8653bc..fb83667ce 100644
--- a/evidence/reactor_test.go
+++ b/evidence/reactor_test.go
@@ -37,11 +37,11 @@ func makeAndConnectEvidenceReactors(config *cfg.Config, N int) []*EvidenceReacto
 	logger := evidenceLogger()
 	for i := 0; i < N; i++ {
 
-		config := &cfg.EvidenceConfig{}
+		params := types.EvidenceParams{}
 		store := NewEvidenceStore(dbm.NewMemDB())
 		state := mockState{}
-		pool := NewEvidencePool(config, store, state)
-		reactors[i] = NewEvidenceReactor(config, pool)
+		pool := NewEvidencePool(params, store, state)
+		reactors[i] = NewEvidenceReactor(pool)
 		reactors[i].SetLogger(logger.With("validator", i))
 	}
 
@@ -102,7 +102,7 @@ func _waitForEvidence(t *testing.T, wg *sync.WaitGroup, evs types.EvidenceList,
 func sendEvidence(t *testing.T, evpool *EvidencePool, n int) types.EvidenceList {
 	evList := make([]types.Evidence, n)
 	for i := 0; i < n; i++ {
-		ev := newMockGoodEvidence(i, 2, []byte("val"))
+		ev := newMockGoodEvidence(int64(i), 2, []byte("val"))
 		err := evpool.AddEvidence(ev)
 		assert.Nil(t, err)
 		evList[i] = ev
diff --git a/evidence/store.go b/evidence/store.go
index e4246cfa4..5b677c347 100644
--- a/evidence/store.go
+++ b/evidence/store.go
@@ -32,7 +32,7 @@ Schema for indexing evidence (note you need both height and hash to find a piece
 
 type EvidenceInfo struct {
 	Committed bool
-	Priority  int
+	Priority  int64
 	Evidence  types.Evidence
 }
 
@@ -47,15 +47,15 @@ func keyLookup(evidence types.Evidence) []byte {
 }
 
 // big endian padded hex
-func be(h int) string {
+func be(h int64) string {
 	return fmt.Sprintf("%0.16X", h)
 }
 
-func keyLookupFromHeightAndHash(height int, hash []byte) []byte {
+func keyLookupFromHeightAndHash(height int64, hash []byte) []byte {
 	return _key("%s/%s/%X", baseKeyLookup, be(height), hash)
 }
 
-func keyOutqueue(evidence types.Evidence, priority int) []byte {
+func keyOutqueue(evidence types.Evidence, priority int64) []byte {
 	return _key("%s/%s/%s/%X", baseKeyOutqueue, be(priority), be(evidence.Height()), evidence.Hash())
 }
 
@@ -111,7 +111,7 @@ func (store *EvidenceStore) ListEvidence(prefixKey string) (evidence []types.Evi
 }
 
 // GetEvidence fetches the evidence with the given height and hash.
-func (store *EvidenceStore) GetEvidence(height int, hash []byte) *EvidenceInfo {
+func (store *EvidenceStore) GetEvidence(height int64, hash []byte) *EvidenceInfo {
 	key := keyLookupFromHeightAndHash(height, hash)
 	val := store.db.Get(key)
 
@@ -125,7 +125,7 @@ func (store *EvidenceStore) GetEvidence(height int, hash []byte) *EvidenceInfo {
 
 // AddNewEvidence adds the given evidence to the database.
 // It returns false if the evidence is already stored.
-func (store *EvidenceStore) AddNewEvidence(evidence types.Evidence, priority int) bool {
+func (store *EvidenceStore) AddNewEvidence(evidence types.Evidence, priority int64) bool {
 	// check if we already have seen it
 	ei_ := store.GetEvidence(evidence.Height(), evidence.Hash())
 	if ei_ != nil && ei_.Evidence != nil {
diff --git a/evidence/store_test.go b/evidence/store_test.go
index ca55a98dc..7828d37b9 100644
--- a/evidence/store_test.go
+++ b/evidence/store_test.go
@@ -19,7 +19,7 @@ func TestStoreAddDuplicate(t *testing.T) {
 	db := dbm.NewMemDB()
 	store := NewEvidenceStore(db)
 
-	priority := 10
+	priority := int64(10)
 	ev := newMockGoodEvidence(2, 1, []byte("val1"))
 
 	added := store.AddNewEvidence(ev, priority)
@@ -42,7 +42,7 @@ func TestStoreMark(t *testing.T) {
 	assert.Equal(0, len(priorityEv))
 	assert.Equal(0, len(pendingEv))
 
-	priority := 10
+	priority := int64(10)
 	ev := newMockGoodEvidence(2, 1, []byte("val1"))
 
 	added := store.AddNewEvidence(ev, priority)
@@ -90,7 +90,7 @@ func TestStorePriority(t *testing.T) {
 	// sorted by priority and then height
 	cases := []struct {
 		ev       MockGoodEvidence
-		priority int
+		priority int64
 	}{
 		{newMockGoodEvidence(2, 1, []byte("val1")), 17},
 		{newMockGoodEvidence(5, 2, []byte("val2")), 15},
@@ -122,16 +122,16 @@ var _ = wire.RegisterInterface(
 )
 
 type MockGoodEvidence struct {
-	Height_  int
+	Height_  int64
 	Address_ []byte
 	Index_   int
 }
 
-func newMockGoodEvidence(height, index int, address []byte) MockGoodEvidence {
+func newMockGoodEvidence(height int64, index int, address []byte) MockGoodEvidence {
 	return MockGoodEvidence{height, address, index}
 }
 
-func (e MockGoodEvidence) Height() int     { return e.Height_ }
+func (e MockGoodEvidence) Height() int64   { return e.Height_ }
 func (e MockGoodEvidence) Address() []byte { return e.Address_ }
 func (e MockGoodEvidence) Index() int      { return e.Index_ }
 func (e MockGoodEvidence) Hash() []byte {
diff --git a/node/node.go b/node/node.go
index 8134074ab..1f51354a8 100644
--- a/node/node.go
+++ b/node/node.go
@@ -210,16 +210,15 @@ func NewNode(config *cfg.Config,
 	}
 
 	// Make Evidence Reactor
-	evidenceConfig := &cfg.EvidenceConfig{} // TODO
 	evidenceDB, err := dbProvider(&DBContext{"evidence", config})
 	if err != nil {
 		return nil, err
 	}
 	evidenceLogger := logger.With("module", "evidence")
 	evidenceStore := evidence.NewEvidenceStore(evidenceDB)
-	evidencePool := evidence.NewEvidencePool(evidenceConfig, evidenceStore, state)
+	evidencePool := evidence.NewEvidencePool(state.ConsensusParams.EvidenceParams, evidenceStore, state)
 	evidencePool.SetLogger(evidenceLogger)
-	evidenceReactor := evidence.NewEvidenceReactor(evidenceConfig, evidencePool)
+	evidenceReactor := evidence.NewEvidenceReactor(evidencePool)
 	evidenceReactor.SetLogger(evidenceLogger)
 
 	// Make ConsensusReactor
diff --git a/state/execution.go b/state/execution.go
index a55bc5f8b..c96861524 100644
--- a/state/execution.go
+++ b/state/execution.go
@@ -309,7 +309,7 @@ func (s *State) validateBlock(b *types.Block) error {
 		}
 	}
 
-	for _, ev := range block.Evidence.Evidence {
+	for _, ev := range b.Evidence.Evidence {
 		if _, err := s.VerifyEvidence(ev); err != nil {
 			return types.NewEvidenceInvalidErr(ev, err)
 		}
diff --git a/state/state.go b/state/state.go
index 54ad0b104..773b46fcc 100644
--- a/state/state.go
+++ b/state/state.go
@@ -388,9 +388,9 @@ func (s *State) GetValidators() (last *types.ValidatorSet, current *types.Valida
 // It returns the priority of this evidence, or an error.
 // NOTE: return error may be ErrNoValSetForHeight, in which case the validator set
 // for the evidence height could not be loaded.
-func (s *State) VerifyEvidence(evidence types.Evidence) (priority int, err error) {
+func (s *State) VerifyEvidence(evidence types.Evidence) (priority int64, err error) {
 	evidenceAge := s.LastBlockHeight - evidence.Height()
-	maxAge := s.Params.EvidenceParams.MaxAge
+	maxAge := s.ConsensusParams.EvidenceParams.MaxAge
 	if evidenceAge > maxAge {
 		return priority, fmt.Errorf("Evidence from height %d is too old. Min height is %d",
 			evidence.Height(), s.LastBlockHeight-maxAge)
@@ -416,7 +416,7 @@ func (s *State) VerifyEvidence(evidence types.Evidence) (priority int, err error
 		return priority, fmt.Errorf("Address %X was validator %d at height %d, not %d", addr, valIdx, height, idx)
 	}
 
-	priority = int(val.VotingPower)
+	priority = val.VotingPower
 	return priority, nil
 }
 
diff --git a/types/block_test.go b/types/block_test.go
index bde474403..1fcfa469b 100644
--- a/types/block_test.go
+++ b/types/block_test.go
@@ -10,7 +10,7 @@ import (
 
 func TestValidateBlock(t *testing.T) {
 	txs := []Tx{Tx("foo"), Tx("bar")}
-	lastID := makeBlockID()
+	lastID := makeBlockIDRandom()
 	h := int64(3)
 
 	voteSet, _, vals := randVoteSet(h-1, 1, VoteTypePrecommit,
@@ -58,7 +58,18 @@ func TestValidateBlock(t *testing.T) {
 	require.Error(t, err)
 }
 
-func makeBlockID() BlockID {
+func makeBlockIDRandom() BlockID {
 	blockHash, blockPartsHeader := crypto.CRandBytes(32), PartSetHeader{123, crypto.CRandBytes(32)}
 	return BlockID{blockHash, blockPartsHeader}
 }
+
+func makeBlockID(hash string, partSetSize int, partSetHash string) BlockID {
+	return BlockID{
+		Hash: []byte(hash),
+		PartsHeader: PartSetHeader{
+			Total: partSetSize,
+			Hash:  []byte(partSetHash),
+		},
+	}
+
+}
diff --git a/types/evidence.go b/types/evidence.go
index 48c2d1897..d6b408119 100644
--- a/types/evidence.go
+++ b/types/evidence.go
@@ -28,7 +28,7 @@ func (err *ErrEvidenceInvalid) Error() string {
 
 // Evidence represents any provable malicious activity by a validator
 type Evidence interface {
-	Height() int                 // height of the equivocation
+	Height() int64               // height of the equivocation
 	Address() []byte             // address of the equivocating validator
 	Index() int                  // index of the validator in the validator set
 	Hash() []byte                // hash of the evidence
@@ -104,7 +104,7 @@ func (dve *DuplicateVoteEvidence) String() string {
 }
 
 // Height returns the height this evidence refers to.
-func (dve *DuplicateVoteEvidence) Height() int {
+func (dve *DuplicateVoteEvidence) Height() int64 {
 	return dve.VoteA.Height
 }
 
diff --git a/types/evidence_test.go b/types/evidence_test.go
index a69040d49..876b68ad1 100644
--- a/types/evidence_test.go
+++ b/types/evidence_test.go
@@ -13,7 +13,7 @@ type voteData struct {
 	valid bool
 }
 
-func makeVote(val *PrivValidatorFS, chainID string, valIndex, height, round, step int, blockID BlockID) *Vote {
+func makeVote(val *PrivValidatorFS, chainID string, valIndex int, height int64, round, step int, blockID BlockID) *Vote {
 	v := &Vote{
 		ValidatorAddress: val.PubKey.Address(),
 		ValidatorIndex:   valIndex,
@@ -28,17 +28,6 @@ func makeVote(val *PrivValidatorFS, chainID string, valIndex, height, round, ste
 
 }
 
-func makeBlockID(hash string, partSetSize int, partSetHash string) BlockID {
-	return BlockID{
-		Hash: []byte(hash),
-		PartsHeader: PartSetHeader{
-			Total: partSetSize,
-			Hash:  []byte(partSetHash),
-		},
-	}
-
-}
-
 func TestEvidence(t *testing.T) {
 	_, tmpFilePath := cmn.Tempfile("priv_validator_")
 	val := GenPrivValidatorFS(tmpFilePath)
diff --git a/types/params.go b/types/params.go
index 216f13907..90ab5f659 100644
--- a/types/params.go
+++ b/types/params.go
@@ -40,7 +40,7 @@ type BlockGossip struct {
 
 // EvidenceParams determine how we handle evidence of malfeasance
 type EvidenceParams struct {
-	MaxAge int `json:"max_age"` // only accept new evidence more recent than this
+	MaxAge int64 `json:"max_age"` // only accept new evidence more recent than this
 }
 
 // DefaultConsensusParams returns a default ConsensusParams.
diff --git a/types/services.go b/types/services.go
index b23ccff44..787b1b99e 100644
--- a/types/services.go
+++ b/types/services.go
@@ -76,7 +76,7 @@ type BlockStore interface {
 // State defines the stateful interface used to verify evidence.
 // UNSTABLE
 type State interface {
-	VerifyEvidence(Evidence) (priority int, err error)
+	VerifyEvidence(Evidence) (priority int64, err error)
 }
 
 //------------------------------------------------------