4 files changed, 6 insertions, 6 deletions
diff --git a/pkg/db/trillian.go b/pkg/db/trillian.go
index 34501b9..97f1305 100644
--- a/pkg/db/trillian.go
+++ b/pkg/db/trillian.go
@@ -26,7 +26,7 @@ func (c *TrillianClient) AddLeaf(ctx context.Context, req *requests.Leaf) error
 	leaf := types.Leaf{
 		Statement: types.Statement{
 			ShardHint: req.ShardHint,
-			Checksum:  *types.HashFn(req.Preimage[:]),
+			Checksum:  *types.HashFn(req.Message[:]),
 		},
 		Signature: req.Signature,
 		KeyHash:   *types.HashFn(req.VerificationKey[:]),
diff --git a/pkg/db/trillian_test.go b/pkg/db/trillian_test.go
index 0010e32..9a390a1 100644
--- a/pkg/db/trillian_test.go
+++ b/pkg/db/trillian_test.go
@@ -21,7 +21,7 @@ import (
 func TestAddLeaf(t *testing.T) {
 	req := &requests.Leaf{
 		ShardHint:       0,
-		Preimage:        types.Hash{},
+		Message:         types.Hash{},
 		Signature:       types.Signature{},
 		VerificationKey: types.PublicKey{},
 		DomainHint:      "example.com",
diff --git a/pkg/instance/handler_test.go b/pkg/instance/handler_test.go
index b3af666..0b81f6c 100644
--- a/pkg/instance/handler_test.go
+++ b/pkg/instance/handler_test.go
@@ -662,7 +662,7 @@ func mustHandle(t *testing.T, i Instance, e types.Endpoint) Handler {
 	return Handler{}
 }
 
-func mustLeafBuffer(t *testing.T, shardHint uint64, preimage types.Hash, wantSig bool) io.Reader {
+func mustLeafBuffer(t *testing.T, shardHint uint64, message types.Hash, wantSig bool) io.Reader {
 	t.Helper()
 
 	vk, sk, err := ed25519.GenerateKey(rand.Reader)
@@ -671,7 +671,7 @@ func mustLeafBuffer(t *testing.T, shardHint uint64, preimage types.Hash, wantSig
 	}
 	msg := types.Statement{
 		ShardHint: shardHint,
-		Checksum:  *types.HashFn(preimage[:]),
+		Checksum:  *types.HashFn(message[:]),
 	}
 	sig := ed25519.Sign(sk, msg.ToBinary())
 	if !wantSig {
@@ -680,7 +680,7 @@ func mustLeafBuffer(t *testing.T, shardHint uint64, preimage types.Hash, wantSig
 	return bytes.NewBufferString(fmt.Sprintf(
 		"%s=%d\n"+"%s=%x\n"+"%s=%x\n"+"%s=%x\n"+"%s=%s\n",
 		"shard_hint", shardHint,
-		"preimage", preimage[:],
+		"message", message[:],
 		"signature", sig,
 		"verification_key", vk,
 		"domain_hint", "example.com",
diff --git a/pkg/instance/instance.go b/pkg/instance/instance.go
index 77f2e5b..18255a1 100644
--- a/pkg/instance/instance.go
+++ b/pkg/instance/instance.go
@@ -63,7 +63,7 @@ func (i *Instance) leafRequestFromHTTP(ctx context.Context, r *http.Request) (*r
 	}
 	stmt := types.Statement{
 		ShardHint: req.ShardHint,
-		Checksum:  *types.HashFn(req.Preimage[:]),
+		Checksum:  *types.HashFn(req.Message[:]),
 	}
 	if !stmt.Verify(&req.VerificationKey, &req.Signature) {
 		return nil, fmt.Errorf("invalid signature")