proto-signing: Add makeSignDoc helper function

packages/proto-signing/src/directsecp256k1wallet.spec.ts

@@ -4,7 +4,7 @@ import { coins } from "@cosmjs/launchpad";
 import Long from "long";
 
 import { DirectSecp256k1Wallet } from "./directsecp256k1wallet";
-import { makeAuthInfoBytes, makeSignBytes } from "./signing";
+import { makeAuthInfoBytes, makeSignBytes, makeSignDoc } from "./signing";
 import { faucet, testVectors } from "./testutils.spec";
 
 describe("DirectSecp256k1Wallet", () => {
@@ -68,12 +68,14 @@ describe("DirectSecp256k1Wallet", () => {
       };
       const fee = coins(2000, "ucosm");
       const gasLimit = 200000;
-      const signDoc = {
-        bodyBytes: fromHex(bodyBytes),
-        authInfoBytes: makeAuthInfoBytes([pubkey], fee, gasLimit, sequence),
-        accountNumber: Long.fromNumber(1),
-        chainId: "simd-testing",
-      };
+      const chainId = "simd-testing";
+      const accountNumber = 1;
+      const signDoc = makeSignDoc(
+        fromHex(bodyBytes),
+        makeAuthInfoBytes([pubkey], fee, gasLimit, sequence),
+        chainId,
+        accountNumber,
+      );
       const signDocBytes = makeSignBytes(signDoc);
       const signResponse = await wallet.signDirect(faucet.address, signDoc);
       const valid = await Secp256k1.verifySignature(

packages/proto-signing/src/index.ts

@@ -4,4 +4,4 @@ export { Registry } from "./registry";
 export { DirectSecp256k1Wallet } from "./directsecp256k1wallet";
 export { decodePubkey, encodePubkey } from "./pubkey";
 export { OfflineDirectSigner, OfflineSigner } from "./signer";
-export { makeAuthInfoBytes, makeSignBytes } from "./signing";
+export { makeAuthInfoBytes, makeSignBytes, makeSignDoc } from "./signing";

packages/proto-signing/src/signing.spec.ts

@@ -6,7 +6,7 @@ import { cosmos, google } from "./codec";
 import { DirectSecp256k1Wallet } from "./directsecp256k1wallet";
 import { defaultRegistry } from "./msgs";
 import { Registry, TxBodyValue } from "./registry";
-import { makeAuthInfoBytes, makeSignBytes } from "./signing";
+import { makeAuthInfoBytes, makeSignBytes, makeSignDoc } from "./signing";
 import { faucet, testVectors } from "./testutils.spec";
 
 const { Tx, TxRaw } = cosmos.tx.v1beta1;
@@ -97,12 +97,7 @@ describe("signing", () => {
     await Promise.all(
       testVectors.map(async ({ sequence, signBytes, signedTxBytes }) => {
         const authInfoBytes = makeAuthInfoBytes([publicKeyAny], feeAmount, gasLimit, sequence);
-        const signDoc = {
-          bodyBytes: txBodyBytes,
-          authInfoBytes: authInfoBytes,
-          chainId: chainId,
-          accountNumber: Long.fromNumber(accountNumber),
-        };
+        const signDoc = makeSignDoc(txBodyBytes, authInfoBytes, chainId, accountNumber);
         const signDocBytes = makeSignBytes(signDoc);
         expect(toHex(signDocBytes)).toEqual(signBytes);
 

packages/proto-signing/src/signing.ts

@@ -30,6 +30,20 @@ export function makeAuthInfoBytes(
   return Uint8Array.from(AuthInfo.encode(authInfo).finish());
 }
 
+export function makeSignDoc(
+  bodyBytes: Uint8Array,
+  authInfoBytes: Uint8Array,
+  chainId: string,
+  accountNumber: number,
+): cosmos.tx.v1beta1.ISignDoc {
+  return {
+    bodyBytes: bodyBytes,
+    authInfoBytes: authInfoBytes,
+    chainId: chainId,
+    accountNumber: Long.fromNumber(accountNumber),
+  };
+}
+
 export function makeSignBytes({
   accountNumber,
   authInfoBytes,

packages/proto-signing/types/index.d.ts

@@ -4,4 +4,4 @@ export { Registry } from "./registry";
 export { DirectSecp256k1Wallet } from "./directsecp256k1wallet";
 export { decodePubkey, encodePubkey } from "./pubkey";
 export { OfflineDirectSigner, OfflineSigner } from "./signer";
-export { makeAuthInfoBytes, makeSignBytes } from "./signing";
+export { makeAuthInfoBytes, makeSignBytes, makeSignDoc } from "./signing";

packages/proto-signing/types/signing.d.ts

@@ -8,6 +8,12 @@ export declare function makeAuthInfoBytes(
   gasLimit: number,
   sequence: number,
 ): Uint8Array;
+export declare function makeSignDoc(
+  bodyBytes: Uint8Array,
+  authInfoBytes: Uint8Array,
+  chainId: string,
+  accountNumber: number,
+): cosmos.tx.v1beta1.ISignDoc;
 export declare function makeSignBytes({
   accountNumber,
   authInfoBytes,