replace get_block with get_block_header_state

src/eosjs-api.ts

@@ -241,7 +241,7 @@ export class Api {
             if (!info) {
                 info = await this.rpc.get_info();
             }
-            const refBlock = await this.rpc.get_block(info.head_block_num - blocksBehind);
+            const refBlock = await this.rpc.get_block_header_state(info.head_block_num - blocksBehind);
             transaction = { ...ser.transactionHeader(refBlock, expireSeconds), ...transaction };
         }
 

src/eosjs-jsonrpc.ts

@@ -5,7 +5,7 @@
 
 import { AbiProvider, AuthorityProvider, AuthorityProviderArgs, BinaryAbi } from './eosjs-api-interfaces';
 import { base64ToBinary, convertLegacyPublicKeys } from './eosjs-numeric';
-import { GetAbiResult, GetBlockResult, GetCodeResult, GetInfoResult, GetRawCodeAndAbiResult, PushTransactionArgs } from "./eosjs-rpc-interfaces" // tslint:disable-line
+import { GetAbiResult, GetBlockResult, GetCodeResult, GetInfoResult, GetRawCodeAndAbiResult, PushTransactionArgs, GetBlockHeaderStateResult } from "./eosjs-rpc-interfaces" // tslint:disable-line
 import { RpcError } from './eosjs-rpcerror';
 
 function arrayToHex(data: Uint8Array) {
@@ -73,7 +73,7 @@ export class JsonRpc implements AuthorityProvider, AbiProvider {
     }
 
     /** Raw call to `/v1/chain/get_block_header_state` */
-    public async get_block_header_state(blockNumOrId: number | string): Promise<any> {
+    public async get_block_header_state(blockNumOrId: number | string): Promise<GetBlockHeaderStateResult> {
         return await this.fetch('/v1/chain/get_block_header_state', { block_num_or_id: blockNumOrId });
     }
 

src/eosjs-rpc-interfaces.ts

@@ -13,19 +13,28 @@ export interface Abi {
     variants?: Array<{ name: string, types: string[] }>;
 }
 
+export interface BlockHeader {
+    timestamp: string;
+    producer: string;
+    confirmed: number;
+    previous: string;
+    transaction_mroot: string;
+    action_mroot: string;
+    schedule_version: number;
+    new_producers: any;
+    header_extensions: any;
+}
+
+export interface SignedBlockHeader extends BlockHeader {
+    producer_signature: string;
+}
+
 /** Return value of `/v1/chain/get_abi` */
 export interface GetAbiResult {
     account_name: string;
     abi: Abi;
 }
 
-/** Subset of `GetBlockResult` needed to calculate TAPoS fields in transactions */
-export interface BlockTaposInfo {
-    timestamp: string;
-    block_num: number;
-    ref_block_prefix: number;
-}
-
 /** Return value of `/v1/chain/get_block` */
 export interface GetBlockResult {
     timestamp: string;
@@ -41,6 +50,38 @@ export interface GetBlockResult {
     ref_block_prefix: number;
 }
 
+/** Used to calculate TAPoS fields in transactions */
+export interface BlockTaposInfo {
+    block_num: number;
+    id: string;
+    timestamp?: string;
+    header?: BlockHeader;
+}
+
+/** Return value of `v1/chain/get_block_header_state */
+export interface GetBlockHeaderStateResult {
+    id: string;
+    header: SignedBlockHeader;
+    pending_schedule: any;
+    activated_protocol_features: any;
+    block_num: number;
+    dpos_proposed_irreversible_blocknum: number;
+    dpos_irreversible_blocknum: number;
+    active_schedule: any;
+    blockroot_merkle: any;
+    producer_to_last_produced: any;
+    producer_to_last_implied_irb: any;
+    block_signing_key: string;
+    confirm_count: any;
+}
+
+/** Subset of `GetBlockHeaderStateResult` used to calculate TAPoS fields in transactions */
+export interface BlockHeaderStateTaposInfo {
+    block_num: number;
+    id: string;
+    header: SignedBlockHeader;
+}
+
 /** Return value of `/v1/chain/get_code` */
 export interface GetCodeResult {
     account_name: string;

src/eosjs-serialize.ts

@@ -4,7 +4,7 @@
 // copyright defined in eosjs/LICENSE.txt
 
 import * as numeric from './eosjs-numeric';
-import { Abi, BlockTaposInfo } from './eosjs-rpc-interfaces';
+import { Abi, BlockTaposInfo, BlockHeaderStateTaposInfo } from './eosjs-rpc-interfaces';
 
 /** A field in an abi */
 export interface Field {
@@ -1073,12 +1073,19 @@ export function getTypesFromAbi(initialTypes: Map<string, Type>, abi: Abi) {
     return types;
 } // getTypesFromAbi
 
-/** TAPoS: Return transaction fields which reference `refBlock` and expire `expireSeconds` after `refBlock.timestamp` */
+function reverseHex(h: string) {
+    return h.substr(6, 2) + h.substr(4, 2) + h.substr(2, 2) + h.substr(0, 2);
+}
+
+/** TAPoS: Return transaction fields which reference `refBlock` and expire `expireSeconds` after `timestamp` */
 export function transactionHeader(refBlock: BlockTaposInfo, expireSeconds: number) {
+    const timestamp = refBlock.header ? refBlock.header.timestamp : refBlock.timestamp;
+    const prefix = parseInt(reverseHex(refBlock.id.substr(16, 8)), 16);
+
     return {
-        expiration: timePointSecToDate(dateToTimePointSec(refBlock.timestamp) + expireSeconds),
+        expiration: timePointSecToDate(dateToTimePointSec(timestamp) + expireSeconds),
         ref_block_num: refBlock.block_num & 0xffff,
-        ref_block_prefix: refBlock.ref_block_prefix,
+        ref_block_prefix: prefix,
     };
 }