diff --git a/packages/proto-signing/src/directsecp256k1hdwallet.spec.ts b/packages/proto-signing/src/directsecp256k1hdwallet.spec.ts
index bb8fd105..c13e2434 100644
--- a/packages/proto-signing/src/directsecp256k1hdwallet.spec.ts
+++ b/packages/proto-signing/src/directsecp256k1hdwallet.spec.ts
@@ -59,7 +59,7 @@ describe("DirectSecp256k1HdWallet", () => {
 
   describe("signDirect", () => {
     it("resolves to valid signature", async () => {
-      const { sequence, bodyBytes } = testVectors[1];
+      const { accountNumber, sequence, bodyBytes } = testVectors[1].inputs;
       const wallet = await DirectSecp256k1HdWallet.fromMnemonic(faucet.mnemonic);
       const pubkey = {
         typeUrl: "/cosmos.crypto.secp256k1.PubKey",
@@ -68,7 +68,6 @@ describe("DirectSecp256k1HdWallet", () => {
       const fee = coins(2000, "ucosm");
       const gasLimit = 200000;
       const chainId = "simd-testing";
-      const accountNumber = 1;
       const signDoc = makeSignDoc(
         fromHex(bodyBytes),
         makeAuthInfoBytes([pubkey], fee, gasLimit, sequence),
diff --git a/packages/proto-signing/src/directsecp256k1wallet.spec.ts b/packages/proto-signing/src/directsecp256k1wallet.spec.ts
index 1b17d381..40e0773f 100644
--- a/packages/proto-signing/src/directsecp256k1wallet.spec.ts
+++ b/packages/proto-signing/src/directsecp256k1wallet.spec.ts
@@ -34,7 +34,7 @@ describe("DirectSecp256k1Wallet", () => {
 
   describe("signDirect", () => {
     it("resolves to valid signature", async () => {
-      const { sequence, bodyBytes } = testVectors[1];
+      const { accountNumber, sequence, bodyBytes } = testVectors[1].inputs;
       const wallet = await DirectSecp256k1Wallet.fromKey(defaultPrivkey);
       const accounts = await wallet.getAccounts();
       const pubkey = {
@@ -44,7 +44,6 @@ describe("DirectSecp256k1Wallet", () => {
       const fee = coins(2000, "ucosm");
       const gasLimit = 200000;
       const chainId = "simd-testing";
-      const accountNumber = 1;
       const signDoc = makeSignDoc(
         fromHex(bodyBytes),
         makeAuthInfoBytes([pubkey], fee, gasLimit, sequence),
diff --git a/packages/proto-signing/src/signing.spec.ts b/packages/proto-signing/src/signing.spec.ts
index 3a49b9f6..40c78104 100644
--- a/packages/proto-signing/src/signing.spec.ts
+++ b/packages/proto-signing/src/signing.spec.ts
@@ -1,13 +1,11 @@
 /* eslint-disable @typescript-eslint/naming-convention */
 import { fromBase64, fromHex, toHex } from "@cosmjs/encoding";
 
-import { PubKey } from "./codec/cosmos/crypto/secp256k1/keys";
 import { SignMode } from "./codec/cosmos/tx/signing/v1beta1/signing";
 import { Tx, TxRaw } from "./codec/cosmos/tx/v1beta1/tx";
-import { Any } from "./codec/google/protobuf/any";
 import { DirectSecp256k1HdWallet } from "./directsecp256k1hdwallet";
-import { Registry, TxBodyValue } from "./registry";
-import { makeAuthInfoBytes, makeSignBytes, makeSignDoc } from "./signing";
+import { Registry } from "./registry";
+import { makeSignBytes, makeSignDoc } from "./signing";
 import { faucet, testVectors } from "./testutils.spec";
 
 describe("signing", () => {
@@ -16,20 +14,14 @@ describe("signing", () => {
 
   const sendAmount = "1234567";
   const sendDenom = "ucosm";
-  const feeAmount = [
-    {
-      amount: "2000",
-      denom: "ucosm",
-    },
-  ];
   const gasLimit = 200000;
 
-  it("correctly parses test vectors", async () => {
+  it("correctly parses signed transactions from test vectors", async () => {
     const wallet = await DirectSecp256k1HdWallet.fromMnemonic(faucet.mnemonic);
     const [{ address, pubkey: pubkeyBytes }] = await wallet.getAccounts();
     const prefixedPubkeyBytes = Uint8Array.from([0x0a, pubkeyBytes.length, ...pubkeyBytes]);
 
-    testVectors.forEach(({ signedTxBytes }) => {
+    testVectors.forEach(({ outputs: { signedTxBytes } }) => {
       const parsedTestTx = Tx.decode(fromHex(signedTxBytes));
       expect(parsedTestTx.signatures.length).toEqual(1);
       expect(parsedTestTx.authInfo!.signerInfos.length).toEqual(1);
@@ -58,59 +50,30 @@ describe("signing", () => {
     });
   });
 
-  it("correctly generates test vectors", async () => {
-    const myRegistry = new Registry();
+  it("correctly generates sign docs and signed transactions from test vectors", async () => {
     const wallet = await DirectSecp256k1HdWallet.fromMnemonic(faucet.mnemonic);
-    const [{ address, pubkey: pubkeyBytes }] = await wallet.getAccounts();
-    const publicKey = PubKey.fromPartial({
-      key: pubkeyBytes,
-    });
-    const publicKeyBytes = PubKey.encode(publicKey).finish();
-
-    const txBodyFields: TxBodyValue = {
-      messages: [
-        {
-          typeUrl: "/cosmos.bank.v1beta1.MsgSend",
-          value: {
-            fromAddress: address,
-            toAddress: toAddress,
-            amount: [
-              {
-                denom: sendDenom,
-                amount: sendAmount,
-              },
-            ],
-          },
-        },
-      ],
-    };
-    const txBodyBytes = myRegistry.encode({
-      typeUrl: "/cosmos.tx.v1beta1.TxBody",
-      value: txBodyFields,
-    });
-
-    const publicKeyAny = Any.fromPartial({
-      typeUrl: "/cosmos.crypto.secp256k1.PubKey",
-      value: publicKeyBytes,
-    });
-    const accountNumber = 1;
+    const [{ address }] = await wallet.getAccounts();
 
     await Promise.all(
-      testVectors.map(async ({ sequence, signBytes, signedTxBytes }) => {
-        const authInfoBytes = makeAuthInfoBytes([publicKeyAny], feeAmount, gasLimit, sequence);
-        const signDoc = makeSignDoc(txBodyBytes, authInfoBytes, chainId, accountNumber);
+      testVectors.map(async ({ inputs, outputs }) => {
+        const signDoc = makeSignDoc(
+          fromHex(inputs.bodyBytes),
+          fromHex(inputs.authInfoBytes),
+          chainId,
+          inputs.accountNumber,
+        );
         const signDocBytes = makeSignBytes(signDoc);
-        expect(toHex(signDocBytes)).toEqual(signBytes);
+        expect(toHex(signDocBytes)).toEqual(outputs.signBytes);
 
         const { signature } = await wallet.signDirect(address, signDoc);
         const txRaw = TxRaw.fromPartial({
-          bodyBytes: txBodyBytes,
-          authInfoBytes: authInfoBytes,
+          bodyBytes: fromHex(inputs.bodyBytes),
+          authInfoBytes: fromHex(inputs.authInfoBytes),
           signatures: [fromBase64(signature.signature)],
         });
         const txRawBytes = Uint8Array.from(TxRaw.encode(txRaw).finish());
         const txBytesHex = toHex(txRawBytes);
-        expect(txBytesHex).toEqual(signedTxBytes);
+        expect(txBytesHex).toEqual(outputs.signedTxBytes);
       }),
     );
   });
diff --git a/packages/proto-signing/src/testutils.spec.ts b/packages/proto-signing/src/testutils.spec.ts
index 6f5b5983..1e3c2350 100644
--- a/packages/proto-signing/src/testutils.spec.ts
+++ b/packages/proto-signing/src/testutils.spec.ts
@@ -14,36 +14,57 @@ export const faucet = {
 /** See TEST_VECTORS.md for how those are generated */
 export const testVectors = [
   {
-    sequence: 0,
-    signedTxBytes:
-      "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",
-    bodyBytes:
-      "0a90010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e6412700a2d636f736d6f7331706b707472653766646b6c366766727a6c65736a6a766878686c63337234676d6d6b38727336122d636f736d6f7331717970717870713971637273737a673270767871367273307a716733797963356c7a763778751a100a0575636f736d120731323334353637",
-    signBytes:
-      "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",
-    signature:
-      "c9dd20e07464d3a688ff4b710b1fbc027e495e797cfa0b4804da2ed117959227772de059808f765aa29b8f92edf30f4c2c5a438e30d3fe6897daa7141e3ce6f9",
+    inputs: {
+      accountNumber: 1,
+      sequence: 0,
+      bodyBytes:
+        "0a90010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e6412700a2d636f736d6f7331706b707472653766646b6c366766727a6c65736a6a766878686c63337234676d6d6b38727336122d636f736d6f7331717970717870713971637273737a673270767871367273307a716733797963356c7a763778751a100a0575636f736d120731323334353637",
+      authInfoBytes:
+        "0a4e0a460a1f2f636f736d6f732e63727970746f2e736563703235366b312e5075624b657912230a21034f04181eeba35391b858633a765c4a0c189697b40d216354d50890d350c7029012040a02080112130a0d0a0575636f736d12043230303010c09a0c",
+    },
+    outputs: {
+      signBytes:
+        "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",
+      signature:
+        "c9dd20e07464d3a688ff4b710b1fbc027e495e797cfa0b4804da2ed117959227772de059808f765aa29b8f92edf30f4c2c5a438e30d3fe6897daa7141e3ce6f9",
+      signedTxBytes:
+        "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",
+    },
   },
   {
-    sequence: 1,
-    signedTxBytes:
-      "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",
-    bodyBytes:
-      "0a90010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e6412700a2d636f736d6f7331706b707472653766646b6c366766727a6c65736a6a766878686c63337234676d6d6b38727336122d636f736d6f7331717970717870713971637273737a673270767871367273307a716733797963356c7a763778751a100a0575636f736d120731323334353637",
-    signBytes:
-      "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",
-    signature:
-      "525adc7e61565a509c60497b798c549fbf217bb5cd31b24cc9b419d098cc95330c99ecc4bc72448f85c365a4e3f91299a3d40412fb3751bab82f1940a83a0a4c",
+    inputs: {
+      accountNumber: 1,
+      sequence: 1,
+      bodyBytes:
+        "0a90010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e6412700a2d636f736d6f7331706b707472653766646b6c366766727a6c65736a6a766878686c63337234676d6d6b38727336122d636f736d6f7331717970717870713971637273737a673270767871367273307a716733797963356c7a763778751a100a0575636f736d120731323334353637",
+      authInfoBytes:
+        "0a500a460a1f2f636f736d6f732e63727970746f2e736563703235366b312e5075624b657912230a21034f04181eeba35391b858633a765c4a0c189697b40d216354d50890d350c7029012040a020801180112130a0d0a0575636f736d12043230303010c09a0c",
+    },
+    outputs: {
+      signBytes:
+        "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",
+      signature:
+        "525adc7e61565a509c60497b798c549fbf217bb5cd31b24cc9b419d098cc95330c99ecc4bc72448f85c365a4e3f91299a3d40412fb3751bab82f1940a83a0a4c",
+      signedTxBytes:
+        "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",
+    },
   },
   {
-    sequence: 2,
-    signedTxBytes:
-      "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",
-    bodyBytes:
-      "0a90010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e6412700a2d636f736d6f7331706b707472653766646b6c366766727a6c65736a6a766878686c63337234676d6d6b38727336122d636f736d6f7331717970717870713971637273737a673270767871367273307a716733797963356c7a763778751a100a0575636f736d120731323334353637",
-    signBytes:
-      "0a97010a90010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e6412700a2d636f736d6f7331706b707472653766646b6c366766727a6c65736a6a766878686c63337234676d6d6b38727336122d636f736d6f7331717970717870713971637273737a673270767871367273307a716733797963356c7a763778751a100a0575636f736d12073132333435363712001800126b0a500a460a1f2f636f736d6f732e63727970746f2e736563703235366b312e5075624b657912230a21034f04181eeba35391b858633a765c4a0c189697b40d216354d50890d350c7029012040a020801180212170a0d0a0575636f736d12043230303010c09a0c1a0022001a0c73696d642d74657374696e672001",
-    signature:
-      "f3f2ca73806f2abbf6e0fe85f9b8af66f0e9f7f79051fdb8abe5bb8633b17da132e82d577b9d5f7a6dae57a144efc9ccc6eef15167b44b3b22a57240109762af",
+    inputs: {
+      accountNumber: 1,
+      sequence: 2,
+      bodyBytes:
+        "0a90010a1c2f636f736d6f732e62616e6b2e763162657461312e4d736753656e6412700a2d636f736d6f7331706b707472653766646b6c366766727a6c65736a6a766878686c63337234676d6d6b38727336122d636f736d6f7331717970717870713971637273737a673270767871367273307a716733797963356c7a763778751a100a0575636f736d120731323334353637",
+      authInfoBytes:
+        "0a500a460a1f2f636f736d6f732e63727970746f2e736563703235366b312e5075624b657912230a21034f04181eeba35391b858633a765c4a0c189697b40d216354d50890d350c7029012040a020801180212130a0d0a0575636f736d12043230303010c09a0c",
+    },
+    outputs: {
+      signBytes:
+        "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",
+      signature:
+        "f3f2ca73806f2abbf6e0fe85f9b8af66f0e9f7f79051fdb8abe5bb8633b17da132e82d577b9d5f7a6dae57a144efc9ccc6eef15167b44b3b22a57240109762af",
+      signedTxBytes:
+        "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",
+    },
   },
 ];