feat(cosmos): Add support for contract call transaction

modules/abstract-cosmos/src/cosmosCoin.ts

@@ -128,8 +128,8 @@ export class CosmosCoin extends BaseCoin {
       if (!_.isEqual(filteredOutputs, filteredRecipients)) {
         throw new Error('Tx outputs does not match with expected txParams recipients');
       }
-      // WithdrawDelegatorRewards transaction doesn't have amount
-      if (transaction.type !== TransactionType.StakingWithdraw) {
+      // WithdrawDelegatorRewards and ContractCall transaction don't have amount
+      if (transaction.type !== TransactionType.StakingWithdraw && transaction.type !== TransactionType.ContractCall) {
         for (const recipients of txParams.recipients) {
           totalAmount = totalAmount.plus(recipients.amount);
         }

modules/abstract-cosmos/src/lib/ContractCallBuilder.ts

@@ -0,0 +1,32 @@
+import { TransactionType } from '@bitgo/sdk-core';
+import { BaseCoin as CoinConfig } from '@bitgo/statics';
+
+import * as constants from './constants';
+import { ExecuteContractMessage } from './iface';
+import { CosmosTransactionBuilder } from './transactionBuilder';
+import { CosmosUtils } from './utils';
+
+export class ContractCallBuilder extends CosmosTransactionBuilder {
+  protected _utils: CosmosUtils;
+
+  constructor(_coinConfig: Readonly<CoinConfig>, utils: CosmosUtils) {
+    super(_coinConfig, utils);
+    this._utils = utils;
+  }
+
+  protected get transactionType(): TransactionType {
+    return TransactionType.ContractCall;
+  }
+
+  /** @inheritdoc */
+  messages(messages: ExecuteContractMessage[]): this {
+    this._messages = messages.map((executeContractMessage) => {
+      this._utils.validateExecuteContractMessage(executeContractMessage);
+      return {
+        typeUrl: constants.executeContractMsgTypeUrl,
+        value: executeContractMessage,
+      };
+    });
+    return this;
+  }
+}

modules/abstract-cosmos/src/lib/constants.ts

@@ -3,4 +3,5 @@ export const sendMsgTypeUrl = '/cosmos.bank.v1beta1.MsgSend';
 export const delegateMsgTypeUrl = '/cosmos.staking.v1beta1.MsgDelegate';
 export const undelegateMsgTypeUrl = '/cosmos.staking.v1beta1.MsgUndelegate';
 export const withdrawDelegatorRewardMsgTypeUrl = '/cosmos.distribution.v1beta1.MsgWithdrawDelegatorReward';
+export const executeContractMsgTypeUrl = '/cosmwasm.wasm.v1.MsgExecuteContract';
 export const UNAVAILABLE_TEXT = 'UNAVAILABLE';

modules/abstract-cosmos/src/lib/iface.ts

@@ -5,11 +5,6 @@ export interface TransactionExplanation extends BaseTransactionExplanation {
   type: TransactionType;
 }
 
-export interface MessageData {
-  typeUrl: string;
-  value: SendMessage | DelegateOrUndelegeteMessage | WithdrawDelegatorRewardsMessage;
-}
-
 export interface SendMessage {
   fromAddress: string;
   toAddress: string;
@@ -27,6 +22,24 @@ export interface WithdrawDelegatorRewardsMessage {
   validatorAddress: string;
 }
 
+export interface ExecuteContractMessage {
+  sender: string;
+  contract: string;
+  msg: Uint8Array;
+  funds?: Coin[];
+}
+
+export type CosmosTransactionMessage =
+  | SendMessage
+  | DelegateOrUndelegeteMessage
+  | WithdrawDelegatorRewardsMessage
+  | ExecuteContractMessage;
+
+export interface MessageData {
+  typeUrl: string;
+  value: CosmosTransactionMessage;
+}
+
 export interface FeeData {
   amount: Coin[];
   gasLimit: number;

modules/abstract-cosmos/src/lib/index.ts

@@ -4,6 +4,7 @@ export * from './iface';
 export { StakingActivateBuilder } from './StakingActivateBuilder';
 export { StakingDeactivateBuilder } from './StakingDeactivateBuilder';
 export { StakingWithdrawRewardsBuilder } from './StakingWithdrawRewardsBuilder';
+export { ContractCallBuilder } from './ContractCallBuilder';
 export { CosmosKeyPair } from './keyPair';
 export { CosmosTransaction } from './transaction';
 export { CosmosTransactionBuilder } from './transactionBuilder';

modules/abstract-cosmos/src/lib/transaction.ts

@@ -17,6 +17,7 @@ import { UNAVAILABLE_TEXT } from './constants';
 import {
   CosmosLikeTransaction,
   DelegateOrUndelegeteMessage,
+  ExecuteContractMessage,
   SendMessage,
   TransactionExplanation,
   TxData,
@@ -218,6 +219,18 @@ export class CosmosTransaction extends BaseTransaction {
             amount: UNAVAILABLE_TEXT,
           },
         ];
+        outputAmount = UNAVAILABLE_TEXT;
+        break;
+      case TransactionType.ContractCall:
+        explanationResult.type = TransactionType.ContractCall;
+        message = json.sendMessages[0].value as ExecuteContractMessage;
+        outputs = [
+          {
+            address: message.contract,
+            amount: UNAVAILABLE_TEXT,
+          },
+        ];
+        outputAmount = UNAVAILABLE_TEXT;
         break;
       default:
         throw new InvalidTransactionError('Transaction type not supported');
@@ -287,6 +300,19 @@ export class CosmosTransaction extends BaseTransaction {
           coin: this._coinConfig.name,
         });
         break;
+      case TransactionType.ContractCall:
+        const executeContractMessage = this.cosmosLikeTransaction.sendMessages[0].value as ExecuteContractMessage;
+        inputs.push({
+          address: executeContractMessage.sender,
+          value: UNAVAILABLE_TEXT,
+          coin: this._coinConfig.name,
+        });
+        outputs.push({
+          address: executeContractMessage.contract,
+          value: UNAVAILABLE_TEXT,
+          coin: this._coinConfig.name,
+        });
+        break;
       default:
         throw new InvalidTransactionError('Transaction type not supported');
     }

modules/abstract-cosmos/src/lib/transactionBuilder.ts

@@ -1,25 +1,18 @@
 import {
   BaseAddress,
   BaseKey,
-  PublicKey as BasePublicKey,
   BaseTransactionBuilder,
   BuildTransactionError,
   InvalidTransactionError,
+  PublicKey as BasePublicKey,
   SigningError,
   TransactionType,
 } from '@bitgo/sdk-core';
 import { BaseCoin as CoinConfig } from '@bitgo/statics';
 import { Secp256k1, sha256 } from '@cosmjs/crypto';
 import { makeSignBytes } from '@cosmjs/proto-signing';
 import BigNumber from 'bignumber.js';
-
-import {
-  DelegateOrUndelegeteMessage,
-  FeeData,
-  MessageData,
-  SendMessage,
-  WithdrawDelegatorRewardsMessage,
-} from './iface';
+import { CosmosTransactionMessage, FeeData, MessageData } from './iface';
 import { CosmosKeyPair as KeyPair } from './keyPair';
 import { CosmosTransaction } from './transaction';
 import { CosmosUtils } from './utils';
@@ -81,10 +74,11 @@ export abstract class CosmosTransactionBuilder extends BaseTransactionBuilder {
    * - For @see TransactionType.StakingDeactivate required type is @see DelegateOrUndelegeteMessage
    * - For @see TransactionType.Send required type is @see SendMessage
    * - For @see TransactionType.StakingWithdraw required type is @see WithdrawDelegatorRewardsMessage
-   * @param {(SendMessage | DelegateOrUndelegeteMessage | WithdrawDelegatorRewardsMessage)[]} messages
+   * - For @see TransactionType.ContractCall required type is @see ExecuteContractMessage
+   * @param {CosmosTransactionMessage[]} messages
    * @returns {TransactionBuilder} This transaction builder
    */
-  abstract messages(messages: (SendMessage | DelegateOrUndelegeteMessage | WithdrawDelegatorRewardsMessage)[]): this;
+  abstract messages(messages: CosmosTransactionMessage[]): this;
 
   publicKey(publicKey: string | undefined): this {
     this._publicKey = publicKey;

modules/abstract-cosmos/src/lib/utils.ts

@@ -21,12 +21,14 @@ import { Coin, defaultRegistryTypes } from '@cosmjs/stargate';
 import BigNumber from 'bignumber.js';
 import { SignDoc, TxRaw } from 'cosmjs-types/cosmos/tx/v1beta1/tx';
 import { Any } from 'cosmjs-types/google/protobuf/any';
+import { MsgExecuteContract } from 'cosmjs-types/cosmwasm/wasm/v1/tx';
 
 import * as crypto from 'crypto';
 import * as constants from './constants';
 import {
   CosmosLikeTransaction,
   DelegateOrUndelegeteMessage,
+  ExecuteContractMessage,
   FeeData,
   MessageData,
   SendMessage,
@@ -35,7 +37,12 @@ import {
 import { CosmosKeyPair as KeyPair } from './keyPair';
 
 export class CosmosUtils implements BaseUtils {
-  private registry = new Registry([...defaultRegistryTypes]);
+  private registry;
+
+  constructor() {
+    this.registry = new Registry([...defaultRegistryTypes]);
+    this.registry.register(constants.executeContractMsgTypeUrl, MsgExecuteContract);
+  }
 
   /** @inheritdoc */
   isValidBlockId(hash: string): boolean {
@@ -260,6 +267,26 @@ export class CosmosUtils implements BaseUtils {
     });
   }
 
+  /**
+   * Returns the array of MessageData[] from the decoded transaction
+   * @param {DecodedTxRaw} decodedTx
+   * @returns {MessageData[]} Execute contract transaction message data
+   */
+  getExecuteContractMessageDataFromDecodedTx(decodedTx: DecodedTxRaw): MessageData[] {
+    return decodedTx.body.messages.map((message) => {
+      const value = this.registry.decode(message);
+      return {
+        value: {
+          sender: value.sender,
+          contract: value.contract,
+          msg: value.msg,
+          funds: value.funds,
+        },
+        typeUrl: message.typeUrl,
+      };
+    });
+  }
+
   /**
    * Determines bitgo transaction type based on cosmos proto type url
    * @param {string} typeUrl
@@ -275,6 +302,8 @@ export class CosmosUtils implements BaseUtils {
         return TransactionType.StakingDeactivate;
       case constants.withdrawDelegatorRewardMsgTypeUrl:
         return TransactionType.StakingWithdraw;
+      case constants.executeContractMsgTypeUrl:
+        return TransactionType.ContractCall;
       default:
         return undefined;
     }
@@ -473,19 +502,23 @@ export class CosmosUtils implements BaseUtils {
     switch (type) {
       case TransactionType.Send: {
         const value = messageData.value as SendMessage;
-        this.isObjPropertyNull(value, ['toAddress', 'fromAddress']);
+        this.validateSendMessage(value);
         break;
       }
       case TransactionType.StakingActivate:
       case TransactionType.StakingDeactivate: {
         const value = messageData.value as DelegateOrUndelegeteMessage;
-        this.isObjPropertyNull(value, ['validatorAddress', 'delegatorAddress']);
-        this.validateAmount(value.amount);
+        this.validateDelegateOrUndelegateMessage(value);
         break;
       }
       case TransactionType.StakingWithdraw: {
         const value = messageData.value as WithdrawDelegatorRewardsMessage;
-        this.isObjPropertyNull(value, ['validatorAddress', 'delegatorAddress']);
+        this.validateWithdrawRewardsMessage(value);
+        break;
+      }
+      case TransactionType.ContractCall: {
+        const value = messageData.value as ExecuteContractMessage;
+        this.validateExecuteContractMessage(value);
         break;
       }
       default:
@@ -591,6 +624,8 @@ export class CosmosUtils implements BaseUtils {
       sendMessageData = this.getDelegateOrUndelegateMessageDataFromDecodedTx(decodedTx);
     } else if (type === TransactionType.StakingWithdraw) {
       sendMessageData = this.getWithdrawRewardsMessageDataFromDecodedTx(decodedTx);
+    } else if (type === TransactionType.ContractCall) {
+      sendMessageData = this.getExecuteContractMessageDataFromDecodedTx(decodedTx);
     } else {
       throw new Error('Transaction type not supported: ' + typeUrl);
     }
@@ -671,6 +706,35 @@ export class CosmosUtils implements BaseUtils {
   isValidAddress(address: string): boolean {
     throw new NotImplementedError('isValidAddress not implemented');
   }
+
+  /**
+   * Validates if the address matches with regex @see contractAddressRegex
+   * @param {string} address
+   * @returns {boolean} - the validation result
+   */
+  isValidContractAddress(address: string): boolean {
+    throw new NotImplementedError('isValidContractAddress not implemented');
+  }
+
+  /**
+   * Validates a execute contract message
+   * @param {ExecuteContractMessage} message - The execute contract message to validate
+   * @throws {InvalidTransactionError} Throws an error if the message is invalid
+   */
+  validateExecuteContractMessage(message: ExecuteContractMessage) {
+    if (!message.contract || !this.isValidContractAddress(message.contract)) {
+      throw new InvalidTransactionError(`Invalid ExecuteContractMessage contract address: ` + message.contract);
+    }
+    if (!message.sender || !this.isValidAddress(message.sender)) {
+      throw new InvalidTransactionError(`Invalid ExecuteContractMessage sender address: ` + message.sender);
+    }
+    if (!message.msg) {
+      throw new InvalidTransactionError(`Invalid ExecuteContractMessage msg: ` + message.msg);
+    }
+    if (message.funds) {
+      this.validateAmountData(message.funds);
+    }
+  }
 }
 
 const utils = new CosmosUtils();

modules/sdk-coin-atom/src/lib/constants.ts

@@ -4,8 +4,9 @@ export const delegateMsgTypeUrl = '/cosmos.staking.v1beta1.MsgDelegate';
 export const undelegateMsgTypeUrl = '/cosmos.staking.v1beta1.MsgUndelegate';
 export const withdrawDelegatorRewardMsgTypeUrl = '/cosmos.distribution.v1beta1.MsgWithdrawDelegatorReward';
 export const validDenoms = ['natom', 'uatom', 'matom', 'atom'];
-export const accountAddressRegex = /^(cosmos)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;
-export const validatorAddressRegex = /^(cosmosvaloper)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;
+export const accountAddressRegex = /^(cosmos)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']{38})$/;
+export const validatorAddressRegex = /^(cosmosvaloper)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']{38})$/;
+export const contractAddressRegex = /^(cosmos)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;
 export const UNAVAILABLE_TEXT = 'UNAVAILABLE';
 export const GAS_AMOUNT = '100000';
 export const GAS_LIMIT = 200000;

modules/sdk-coin-bld/src/lib/constants.ts

@@ -1,3 +1,4 @@
 export const validDenoms = ['nbld', 'ubld', 'mbld', 'bld'];
-export const accountAddressRegex = /^(agoric)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;
-export const validatorAddressRegex = /^(agoricvaloper)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;
+export const accountAddressRegex = /^(agoric)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']{38})$/;
+export const validatorAddressRegex = /^(agoricvaloper)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']{38})$/;
+export const contractAddressRegex = /^(agoric)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;

modules/sdk-coin-bld/src/lib/transactionBuilderFactory.ts

@@ -5,6 +5,7 @@ import {
   StakingActivateBuilder,
   StakingDeactivateBuilder,
   StakingWithdrawRewardsBuilder,
+  ContractCallBuilder,
 } from '@bitgo/abstract-cosmos';
 import { BaseTransactionBuilderFactory, InvalidTransactionError, TransactionType } from '@bitgo/sdk-core';
 import { BaseCoin as CoinConfig } from '@bitgo/statics';
@@ -29,6 +30,8 @@ export class TransactionBuilderFactory extends BaseTransactionBuilderFactory {
           return this.getStakingDeactivateBuilder(tx);
         case TransactionType.StakingWithdraw:
           return this.getStakingWithdrawRewardsBuilder(tx);
+        case TransactionType.ContractCall:
+          return this.getContractCallBuilder(tx);
         default:
           throw new InvalidTransactionError('Invalid transaction');
       }
@@ -57,6 +60,10 @@ export class TransactionBuilderFactory extends BaseTransactionBuilderFactory {
     return this.initializeBuilder(tx, new StakingWithdrawRewardsBuilder(this._coinConfig, bldUtils));
   }
 
+  getContractCallBuilder(tx?: CosmosTransaction): ContractCallBuilder {
+    return this.initializeBuilder(tx, new ContractCallBuilder(this._coinConfig, bldUtils));
+  }
+
   /** @inheritdoc */
   getWalletInitializationBuilder(): void {
     throw new Error('Method not implemented.');

modules/sdk-coin-bld/src/lib/utils.ts

@@ -16,6 +16,11 @@ export class BldUtils extends CosmosUtils {
     return constants.validatorAddressRegex.test(address);
   }
 
+  /** @inheritdoc */
+  isValidContractAddress(address: string): boolean {
+    return constants.contractAddressRegex.test(address);
+  }
+
   /** @inheritdoc */
   validateAmount(amount: Coin): void {
     const amountBig = BigNumber(amount.amount);

modules/sdk-coin-bld/test/unit/bld.ts

@@ -260,7 +260,7 @@ describe('BLD', function () {
             amount: 'UNAVAILABLE',
           },
         ],
-        outputAmount: undefined,
+        outputAmount: 'UNAVAILABLE',
         changeOutputs: [],
         changeAmount: '0',
         fee: { fee: TEST_WITHDRAW_REWARDS_TX.gasBudget.amount[0].amount },

modules/sdk-coin-hash/src/lib/constants.ts

@@ -1,3 +1,4 @@
 export const validDenoms = ['nhash', 'uhash', 'mhash', 'hash'];
-export const accountAddressRegex = /^(tp|pb)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;
-export const validatorAddressRegex = /^(tpvaloper|pbvaloper)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;
+export const accountAddressRegex = /^(tp|pb)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']{38})$/;
+export const validatorAddressRegex = /^(tpvaloper|pbvaloper)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']{38})$/;
+export const contractAddressRegex = /^(tp|pb)1(['qpzry9x8gf2tvdw0s3jn54khce6mua7l']+)$/;