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grpc-service.ts
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grpc-service.ts
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import { Error as ServerError } from 'grpc-web';
import { ServiceClient as TxServiceClient } from '../proto/cosmos/tx/v1beta1/service_grpc_web_pb';
import { QueryClient as AuthQueryClient } from '../proto/cosmos/auth/v1beta1/query_grpc_web_pb';
import { QueryClient as BankQueryClient } from '../proto/cosmos/bank/v1beta1/query_grpc_web_pb';
import { QueryClient as MsgFeeQueryClient } from '../proto/provenance/msgfees/v1/query_grpc_web_pb';
import { QueryAccountRequest, QueryAccountResponse } from '../proto/cosmos/auth/v1beta1/query_pb';
import { BaseAccount } from '../proto/cosmos/auth/v1beta1/auth_pb';
import { QueryAllBalancesRequest, QueryAllBalancesResponse } from '../proto/cosmos/bank/v1beta1/query_pb';
import { PageRequest } from '../proto/cosmos/base/query/v1beta1/pagination_pb';
import { CalculateTxFeesRequest, CalculateTxFeesResponse } from '../proto/provenance/msgfees/v1/query_pb';
import {
BroadcastTxRequest,
BroadcastTxResponse,
SimulateRequest,
SimulateResponse,
GetTxRequest,
GetTxResponse,
} from '../proto/cosmos/tx/v1beta1/service_pb';
import { log } from '../utils';
export class GrpcService {
private txClient: TxServiceClient;
private authQuery: AuthQueryClient;
private bankQuery: BankQueryClient;
private msgFeeQuery: MsgFeeQueryClient;
constructor(serviceAddress: string) {
if (!serviceAddress) throw new Error('GrpcService requires serviceAddress');
this.txClient = new TxServiceClient(serviceAddress, null);
this.authQuery = new AuthQueryClient(serviceAddress, null);
this.bankQuery = new BankQueryClient(serviceAddress, null);
this.msgFeeQuery = new MsgFeeQueryClient(serviceAddress, null);
}
getTx(txHash: string): Promise<GetTxResponse.AsObject> {
log('Initiating txClient.getTx');
const request = new GetTxRequest().setHash(txHash);
return new Promise((resolve, reject) => {
this.txClient.getTx(request, null, (error: ServerError, response: BroadcastTxResponse) => {
if (error) reject(new Error(`txClient.getTx error: Code: ${error.code} Message: ${error.message}`));
else {
log(JSON.stringify(response.toObject()));
resolve(response.toObject());
}
});
});
}
broadcastTx(request: BroadcastTxRequest): Promise<BroadcastTxResponse.AsObject> {
log('Initiating txClient.broadcastTx');
return new Promise((resolve, reject) => {
this.txClient.broadcastTx(request, null, (error: ServerError, response: BroadcastTxResponse) => {
if (error) reject(new Error(`txClient.broadcastTx error: Code: ${error.code} Message: ${error.message}`));
else {
log(JSON.stringify(response.toObject()));
resolve(response.toObject());
}
});
});
}
calculateTxFees(request: CalculateTxFeesRequest): Promise<CalculateTxFeesResponse.AsObject> {
log('Initiating msgFeeQuery.calculateTxFees');
return new Promise((resolve, reject) => {
this.msgFeeQuery.calculateTxFees(request, null, (error: ServerError, response: CalculateTxFeesResponse) => {
if (error) {
reject(new Error(`msgFeeQuery.calculateTxFees error: Code: ${error.code} Message: ${error.message}`));
} else {
log('Finished msgFeeQuery.calculateTxFees');
log(JSON.stringify(response.toObject()));
resolve(response.toObject());
}
});
});
}
simulate(request: SimulateRequest): Promise<SimulateResponse.AsObject> {
log('Initiating txClient.simulate');
return new Promise((resolve, reject) => {
this.txClient.simulate(request, null, (error: ServerError, response: SimulateResponse) => {
if (error) reject(new Error(`txClient.simulate error: Code: ${error.code} Message: ${error.message}`));
else {
log(JSON.stringify(response.toObject()));
resolve(response.toObject());
}
});
});
}
getBalancesList(address: string): Promise<QueryAllBalancesResponse.AsObject> {
log('Initiating bankQuery.allBalances');
const pageRequest = new PageRequest();
pageRequest.setOffset(0);
pageRequest.setLimit(1000);
pageRequest.setCountTotal(true);
const bankRequest = new QueryAllBalancesRequest();
bankRequest.setAddress(address);
bankRequest.setPagination(pageRequest);
return new Promise((resolve, reject) => {
this.bankQuery.allBalances(bankRequest, null, (error: ServerError, response: QueryAllBalancesResponse) => {
if (error) reject(new Error(`bankQuery.allBalances error: Code: ${error.code} Message: ${error.message}`));
else {
log(JSON.stringify(response.toObject()));
resolve(response.toObject());
}
});
});
}
getAccountInfo(address: string): Promise<{ baseAccount: BaseAccount; accountNumber: number; sequence: number }> {
log('Initiating authQuery.account');
const accountRequest = new QueryAccountRequest();
accountRequest.setAddress(address);
return new Promise((resolve, reject) => {
this.authQuery.account(accountRequest, null, (error: ServerError, response: QueryAccountResponse) => {
if (error) reject(new Error(`authQuery.account error: Code: ${error.code} Message: ${error.message}`));
else {
log(JSON.stringify(response.toObject()));
const accountAny = response.getAccount();
if (accountAny) {
const baseAccount = accountAny.unpack(BaseAccount.deserializeBinary, accountAny.getTypeName());
if (baseAccount) {
resolve({
baseAccount,
accountNumber: baseAccount.getAccountNumber(),
sequence: baseAccount.getSequence(),
});
} else reject(new Error(`authQuery.account message unpacking failure`));
} else reject(new Error(`No response from authQuery.account`));
}
});
});
}
}