diff --git a/packages/sdk/src/cosmwasmclient.ts b/packages/sdk/src/cosmwasmclient.ts
index 370ce332..9c62f69d 100644
--- a/packages/sdk/src/cosmwasmclient.ts
+++ b/packages/sdk/src/cosmwasmclient.ts
@@ -279,7 +279,7 @@ export class CosmWasmClient {
       (entry): Code => ({
         id: entry.id,
         creator: entry.creator,
-        checksum: Encoding.toHex(Encoding.fromHex(entry.code_hash)),
+        checksum: Encoding.toHex(Encoding.fromHex(entry.data_hash)),
         source: entry.source || undefined,
         builder: entry.builder || undefined,
       }),
@@ -287,15 +287,15 @@ export class CosmWasmClient {
   }
 
   public async getCodeDetails(codeId: number): Promise<CodeDetails> {
-    // TODO: implement as one request when https://github.com/cosmwasm/wasmd/issues/90 is done
-    const [codeInfos, getCodeResult] = await Promise.all([this.getCodes(), this.restClient.getCode(codeId)]);
-
-    const codeInfo = codeInfos.find(code => code.id === codeId);
-    if (!codeInfo) throw new Error("No code info found");
+    const getCodeResult = await this.restClient.getCode(codeId);
 
     return {
-      ...codeInfo,
-      data: getCodeResult,
+      id: getCodeResult.id,
+      creator: getCodeResult.creator,
+      checksum: Encoding.toHex(Encoding.fromHex(getCodeResult.data_hash)),
+      source: getCodeResult.source || undefined,
+      builder: getCodeResult.builder || undefined,
+      data: Encoding.fromBase64(getCodeResult.data),
     };
   }
 
diff --git a/packages/sdk/src/restclient.spec.ts b/packages/sdk/src/restclient.spec.ts
index 28e95ce1..09e13e63 100644
--- a/packages/sdk/src/restclient.spec.ts
+++ b/packages/sdk/src/restclient.spec.ts
@@ -68,7 +68,7 @@ async function uploadCustomContract(
       sender: faucet.address,
       wasm_byte_code: toBase64(wasmCode),
       source: "https://github.com/confio/cosmwasm/raw/0.7/lib/vm/testdata/contract_0.6.wasm",
-      builder: "cosmwasm-opt:0.6.2",
+      builder: "confio/cosmwasm-opt:0.6.2",
     },
   };
   const fee: StdFee = {
@@ -733,15 +733,15 @@ describe("RestClient", () => {
       expect(lastInfo.source).toEqual(
         "https://github.com/confio/cosmwasm/raw/0.7/lib/vm/testdata/contract_0.6.wasm",
       );
-      expect(lastInfo.builder).toEqual("cosmwasm-opt:0.6.2");
+      expect(lastInfo.builder).toEqual("confio/cosmwasm-opt:0.6.2");
 
       // check code hash matches expectation
       const wasmHash = new Sha256(wasmCode).digest();
-      expect(lastInfo.code_hash.toLowerCase()).toEqual(toHex(wasmHash));
+      expect(lastInfo.data_hash.toLowerCase()).toEqual(toHex(wasmHash));
 
       // download code and check against auto-gen
-      const download = await client.getCode(codeId);
-      expect(download).toEqual(wasmCode);
+      const { data } = await client.getCode(codeId);
+      expect(fromBase64(data)).toEqual(wasmCode);
     });
 
     it("can list contracts and get info", async () => {
diff --git a/packages/sdk/src/restclient.ts b/packages/sdk/src/restclient.ts
index ac5fd3cb..f08d2b26 100644
--- a/packages/sdk/src/restclient.ts
+++ b/packages/sdk/src/restclient.ts
@@ -137,12 +137,17 @@ export interface CodeInfo {
   /** Bech32 account address */
   readonly creator: string;
   /** Hex-encoded sha256 hash of the code stored here */
-  readonly code_hash: string;
+  readonly data_hash: string;
   // TODO: these are not supported in current wasmd
   readonly source?: string;
   readonly builder?: string;
 }
 
+export interface CodeDetails extends CodeInfo {
+  /** Base64 encoded raw wasm data */
+  readonly data: string;
+}
+
 // This is list view, without contract info
 export interface ContractInfo {
   readonly address: string;
@@ -157,11 +162,6 @@ export interface ContractDetails extends ContractInfo {
   readonly init_msg: object;
 }
 
-interface GetCodeResult {
-  // base64 encoded wasm
-  readonly code: string;
-}
-
 interface SmartQueryResponse {
   // base64 encoded response
   readonly smart: string;
@@ -177,9 +177,9 @@ type RestClientResponse =
   | EncodeTxResponse
   | WasmResponse<string>
   | WasmResponse<CodeInfo[]>
+  | WasmResponse<CodeDetails>
   | WasmResponse<ContractInfo[] | null>
-  | WasmResponse<ContractDetails | null>
-  | WasmResponse<GetCodeResult>;
+  | WasmResponse<ContractDetails | null>;
 
 /**
  * The mode used to send transaction
@@ -355,11 +355,10 @@ export class RestClient {
 
   // this will download the original wasm bytecode by code id
   // throws error if no code with this id
-  public async getCode(id: number): Promise<Uint8Array> {
+  public async getCode(id: number): Promise<CodeDetails> {
     const path = `/wasm/code/${id}`;
-    const responseData = (await this.get(path)) as WasmResponse<GetCodeResult>;
-    const { code } = unwrapWasmResponse(responseData);
-    return fromBase64(code);
+    const responseData = (await this.get(path)) as WasmResponse<CodeDetails>;
+    return unwrapWasmResponse(responseData);
   }
 
   public async listContractsByCodeId(id: number): Promise<readonly ContractInfo[]> {
diff --git a/packages/sdk/types/restclient.d.ts b/packages/sdk/types/restclient.d.ts
index 3e8a00d1..e1dd8191 100644
--- a/packages/sdk/types/restclient.d.ts
+++ b/packages/sdk/types/restclient.d.ts
@@ -106,10 +106,14 @@ export interface CodeInfo {
   /** Bech32 account address */
   readonly creator: string;
   /** Hex-encoded sha256 hash of the code stored here */
-  readonly code_hash: string;
+  readonly data_hash: string;
   readonly source?: string;
   readonly builder?: string;
 }
+export interface CodeDetails extends CodeInfo {
+  /** Base64 encoded raw wasm data */
+  readonly data: string;
+}
 export interface ContractInfo {
   readonly address: string;
   readonly code_id: number;
@@ -121,9 +125,6 @@ export interface ContractDetails extends ContractInfo {
   /** Argument passed on initialization of the contract */
   readonly init_msg: object;
 }
-interface GetCodeResult {
-  readonly code: string;
-}
 declare type RestClientResponse =
   | NodeInfoResponse
   | BlockResponse
@@ -134,9 +135,9 @@ declare type RestClientResponse =
   | EncodeTxResponse
   | WasmResponse<string>
   | WasmResponse<CodeInfo[]>
+  | WasmResponse<CodeDetails>
   | WasmResponse<ContractInfo[] | null>
-  | WasmResponse<ContractDetails | null>
-  | WasmResponse<GetCodeResult>;
+  | WasmResponse<ContractDetails | null>;
 /**
  * The mode used to send transaction
  *
@@ -173,7 +174,7 @@ export declare class RestClient {
    */
   postTx(tx: StdTx): Promise<PostTxsResponse>;
   listCodeInfo(): Promise<readonly CodeInfo[]>;
-  getCode(id: number): Promise<Uint8Array>;
+  getCode(id: number): Promise<CodeDetails>;
   listContractsByCodeId(id: number): Promise<readonly ContractInfo[]>;
   /**
    * Returns null when contract was not found at this address.
diff --git a/scripts/wasmd/env b/scripts/wasmd/env
index 44e57464..3ea3d1cb 100644
--- a/scripts/wasmd/env
+++ b/scripts/wasmd/env
@@ -1,5 +1,5 @@
 # Choose from https://hub.docker.com/r/cosmwasm/wasmd-demo/tags
 REPOSITORY="cosmwasm/wasmd-demo"
-VERSION="v0.7.0-rc2"
+VERSION="v0.7.0-rc3"
 
 CONTAINER_NAME="wasmd"